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Eric Hassall MBChB, FRCPC, FACG

CURRICULUM VITAE

Place of residence: San Francisco, CA

Employment: 2010-2012

Division of Pediatric Gastroenterology, California Pacific Medical Center, San Francisco

Appointments and employment: 1984-2012

Professor of Pediatrics, Division of Gastroenterology,

BC Children's Hospital & University of British Columbia

Vancouver, BC, Canada.

2013-present: Emeritus Professor, Dept Pediatrics,

University of British Columbia, Vancouver, BC, Canada.

Place of birth: Johannesburg, South Africa

Citizenship: US & Canada

Medical education / Postgraduate qualifications:

1973: University of Capetown Medical School Medical degree MBChB (=MD in Canada/U.S.)

1977: Diploma in Child Health (DCH), UK

1978: Member Royal College Physicians in Paediatrics, UK. MRCP

1981: American Board of Pediatrics, USA. Permanent certification.

1985: Royal College of Physicians, Canada. FRCPC

1993: Directly Elected Fellow of American College of Gastroenterology (FACG)

1990: Diplomate American Board of Pediatric Gastroenterology

1998: Diplomate American Board of Pediatric Gastroenterology. Recertified

2010: Diplomate American Board of Pediatric Gastroenterology. Recertified.

Licensure:

1981 - present: State of California, license #A376656

1984 - present: College of Physicians and Surgeons of British Columbia, license #19920

Pediatric training:

Internship Groote Schuur Hospital, Capetown 1974

Teaching hospitals in London, England 1976-'77

Senior Resident Children's Hospital / University of Washington, Seattle, WA 1978 / '79

Locum tenens in general pediatrics: Port Angeles, WA, and Zimbabwe, Africa 1980 / '81

Gastroenterology training:

UCLA Medical Center, Los Angeles, CA: Pediatric and adult GI. 1981-'84

Areas of special interest:

Founded a new Division of Gastroenterology Oct 1, 1984 at BC Children's Hospital in

Vancouver BC - the pediatric tertiary / academic children’s hospital for the Province of British

Columbia. Developed full clinical investigative facility for diagnostic and therapeutic endoscopic

and other GI procedures for children.

Special academic and clinical interests:

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Acid peptic disease in children

GE reflux, Barrett's esophagus

Treatments for GERD with special focus on

- Acid suppression

- Antireflux surgery

Gastritis/ gastropathy, peptic ulcer disease

Esophageal diseases in children

Especially

- GE reflux

- Barrett’s esophagus

- Esophageal atresia / tracheo-esophageal fistula

- Eosinophilic esophagitis

Endoscopy and GI morphology in children

- Safety and quality of pediatric GI endoscopy

- Training issues

Celiac disease

Offices held on scholarly committees

Patient Care Committee, North American Society for Pediatric Gastroenterology and

Nutrition (NASPGN)1989-1993

Committee on Procedure Indications and Standards, NASPGN 1992-6.

Committee on Pediatric Endoscopy, American Society of Gastrointestinal Endoscopy

(ASGE) 1992-5.

Permanent Scientific Committee O.E.S.O. (World Organization for Specialized Studies

on Diseases of the Esophagus). 1994-2006.

Training and Education Committee, North American Society for Pediatric

Gastroenterology and Nutrition (NASPGN). May-Oct 1994

Chair, Training and Education Committee, North American Society for Pediatric

Gastroenterology and Nutrition (NASPGN). Oct 1994-Oct 1997.

Committee on Training, American Society for Gastrointestinal Endoscopy (ASGE). May

1995-1997. Expert Advisory Panel on Gastroenterology, United States Pharmacopeial Convention,

Rockville, MD. 1995-Dec 2000. International Advisory Board, American Pseudo-obstruction and Hirschsprung’s

Disease Society (APHS). 1996-2001. European Society for Pediatric Gastroenterology and Nutrition working party on infant

regurgitation. 1996-7.

Canadian Consensus Conference Group on H. pylori. 1997-1999.

Canadian Helicobacter pylori Study Group (CHpSG). 1997-2001.

Japanese Helicobacter pylori study group. Advisor. 1997-1998.

Chair, Acid Peptic Disease Section, Training Syllabus for North American Society for

Pediatric Gastroenterology and Nutrition. 1998-99.

North American Society for Pediatric Gastroenterology and Nutrition (NASPGN):

Clinical Practice Guidelines Committee on Helicobacter pylori. 1998-2000.

European Society for Pediatric Gastroenterology and Nutrition panel on cisapride.

1996 - 2000.

CORI (Clinical Outcomes Research Initiative) Committee of NASPGHAN [North

American Society for Pediatric Gastroenterology, Hepatology and Nutrition]. 2000-7.

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Scientific Advisory Board, Pediatric GERD Education Campaign, Children’s Digestive

Health and Nutrition Foundation. (North American Society for Pediatric

Gastroenterology Hepatology & Nutrition). 2002-3.

First International Gastrointestinal Eosinophil Research Symposium (FIGERS)

committee on endoscopy. 2006-7.

Combined North American / European Societies for Gastroenterology, Hepatology and

Nutrition Committee for development of Guidelines for GE Reflux Disease. 2007–9.

Global Consensus Group on Pediatric GERD Definitions. 2007-9.

Consultant to Center for Drug Evaluation & Research, Federal Drug Administration

(FDA), Rockville, MD, USA. 2002- present. Editorial Boards

Editorial Board of Journal of Pediatric Gastroenterology and Nutrition. Jan 1994 –

June 1999 International Editorial Board of Gastrointestinal Endoscopy. Jan 1997 - 2005. Editorial Review Board, Gastrointestinal Endoscopy. Jan 2001 - 2010.

Conference Organizer/Study chief

Scientific Director, North Pacific Pediatric Society 136th meeting: "Gastroenterology,

Nutrition and Liver Disease". Vancouver, BC. March 1988. Scientific session planner, North American Society for Pediatric Gastroenterology and

Nutrition. Chicago. November 1995. Scientific organizer, moderator, Ross/NASPGN 14th Annual Seminar for North

American Pediatric GI Fellows. Tucson. March 1995. Co-chair, Scientific organizer, Ross / NASPGN 15th Annual Seminar for North

American Pediatric GI Fellows. San Diego. March 1996. Co-scientific organizer: Gastroenterology Update. CME Course. Vancouver. October

1996. Scientific organizer: Breakout Sessions for Annual Meeting of North American Society

for Pediatric Gastroenterology and Nutrition. Toronto. November 1997. Co-Scientific Organizer, American Society for Gastrointestinal Endoscopy Pediatric

Symposium, San Diego, CA. May 2000. Steering Committee, OESO (World Organization for Specialized Studies on Diseases of

the Esophagus). Triennial conference: 'Barrett 2000'. Paris, France. 1996 - 2000. International Advisory Board XXVIII Pan American Congress Of Gastrointestinal

Diseases, XV Pan American Congress Of Digestive Endoscopy, XII Uruguayan Congress Of Gastroenterology. Punta del Este, Uruguay. October 2003.

Congresses Committee, OESO (World Organization for Specialized Studies on Diseases of the Esophagus). Paris, 2003.

Co-ordinating investigator, International Pediatric Omeprazole Study. 1994 – 2011.

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INVITED PRESENTATIONS

1984 through end 2012: Total 385 (Excluding to residents, fellows at home institutions)

1984 [4 presentations]

1. Grand Rounds, UCLA Dept of Pediatrics: "Columnar lined esophagus in children." Los

Angeles, CA. January 1984.

2. Grand Rounds, BC Children's Hospital: "What is pediatric gastroenterology?"

Vancouver, BC. March 1984.

3. Grand Rounds, Children's Orthopedic Hospital and Medical Center: "Gastroesophageal

reflux with columnar lined esophagus. A new childhood disease?" Seattle, WA. March

1984.

4. Poster session, American Gastroenterological Association: "Barrett's esophagus in

childhood." Washington, DC. May 1984.


5. Grand Rounds, Victoria General Hospital, Victoria. B.C. January 1985.

6. Grand Rounds, Burnaby General Hospital, Burnaby, B.C. March 1985.

7. Grand Rounds, Royal Columbian Hospital, New Westminster, B.C. February 1985.

8. Grand Rounds, Lion's Gate Hospital, North Vancouver. April 1985.

9. Eighth Annual Postgraduate Review in Pediatrics, B.C. Children's Hospital/UBC. April

1985.

10. Talk to BCCH Auxilliary re Benefits to Community of Pediatric GI Unit. May 1985.

11. Plenary session presentation to American Gastroenterological Association/American

Society for Gastrointestinal Endoscopy: "Endoscopic sclerotherapy of esophageal

varices in children: a joint B.C. Children's/UCLA study". New York City. May 1985.

12. Speaker, B.C. Pediatric Society Annual Meeting, Victoria, B.C. "Pediatric GI Update".

May 1985.

13. Guest Faculty, University of Washington, Dept. of Internal Medicine course on Nutrition:

"Enteral and Parenteral Nutrition in Children". June 1985.

14. UBC Dept. of Internal Medicine CME course on "Advances in Endoscopy". October 1985.

15. Grand Rounds, Royal Inland Hospital CME course for internists "Inflammatory Bowel

Disease in Children". November 1985.

16. Grand Rounds, University of Zimbabwe. December 1985.

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17. Grand Rounds, B.C. Children's Hospital, "Update in Pediatric Inflammatory Bowel

Disease". January 1986.

18. Grand Rounds, Richmond General Hospital. April 1986.

19. B.C. Operating Room Nurses Group, "Advances in Pediatric Gastroenterology". April

1986.

20. Ninth Annual Postgraduate Review in Pediatrics, B.C. Children's Hospital/UBC. April

1986.

21. Grand Rounds, Kelowna General Hospital: "Approach to GI Problems in Children."

May 1986.

22. Grand Rounds, Surrey Memorial Hospital: "Malabsorption in Children." April 1986.

23. Guest Faculty, Canada West Conference, Vancouver: "Drug Treatment of IBD in

Children". June 1986.

24. Guest Faculty, North Pacific Pediatric Society, Penticton: "Abdominal Pain in Children".

September 1986.

25. Guest Faculty for Lecture Series on Pediatric Gastroenterology. Los Angeles Pediatric

Society, Banff, Alberta. Several [4] lectures and workshops. September 1986.

26. Grand Rounds, Vancouver Health Department: "Inflammatory Bowel Disease in

Children". October 1986.

27. UBC Pediatric CME course, Duncan: "GI and Liver Disease in Children". November

1986.

28. Guest Faculty, B.C. Society of Internal Medicine, Vancouver: "The pediatric approach to

GI diseases". November 1986.


29. Case Management Rounds, B.C. Children's Hospital: "Liver transplantation in children:

2 recent and very different BCCH cases". April 1987.

30. UBC Dept of Pediatrics Research Conference: "Barrett's Esophagus". April 1987.

31. Tenth Annual Postgraduate Review in Pediatrics, B.C. Children's Hospital UBC. "Failure

to Thrive". "IBD". April 1987.

32. Family Practice Meeting: "Pediatric Gastroenterology/Liver Disease in the Eighties",

B.C. Children's Hospital. June 1987.

33. Guest Faculty, Annual Brennerman Lecture Series, Los Angeles Pediatric Society, Los

Angeles, CA. Several [4] lectures and workshops. September, 1987.

34. Grand Rounds, Royal Alexander Children's Hospital, Sydney, Australia: "GE Reflux and

Barrett's esophagus". December 1987.

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35. Grand Rounds, Princess Margaret Children's Hospital, Perth, Australia: "GE Reflux and

Barrett's esophagus". December 1987.


36. Grand Rounds. "Liver transplantation". B.C. Children's Hospital, Vancouver, BC.

January 1988.

37. UBC/BCCH CME course "Current Topics in Adolescent Medicine", Vancouver, BC.

January 1988.

38. North Pacific Pediatric Society Conference on "Gastroenterology, Nutrition and Liver

Disease", Vancouver, BC. Conference Scientific Chairman, Moderator, Speaker. March

1988.

38. 23rd Annual Postgraduate Review in Family Medicine. "New Approaches to Childhood

GI Disease". Vancouver, BC. March 1988.

39. UBC CME course "Pediatric and Adult Gastroenterology", Salmon Arm, BC. April 1988.

40. Grand Rounds. "GE Reflux in Children". Victoria General Hospital. November 1988.


41. Grand Rounds. "Advances in Pediatric GI". Royal Columbian Hospital. March 1989.

42. Twelfth Annual Postgraduate Review in Pediatrics, BCCH/UBC. 1989.

43. Frontiers in Gastroenterology, UBC CME course. "Inflammatory bowel disease in

children". Coast Hotel, Vancouver, B.C. April 1989.

44. Ferry G, Grand R, Kirschner B, Byrne W, Daum F, Fiedorek S, Griffiths A, Gryboski J,

Hassall E, Heubi J, Issenman R, Perman J, Thomas D, Ulshen M, Vanderhoof J, Watkins

J, Winter H: Preliminary results of the pediatric gastroenterology collaborative research

group (PGCRG) clinical trial comparing olsalazine (Dipentum, Pharmacia, Inc) with

sulfasalazine in mild to moderate childhood ulcerative colitis (UC). Presented at Annual

Meeting of North American Society for Pediatric Gastroenterology and Nutrition,

Chicago. October 1989.


45. Grand Rounds, BC Children's Hospital. "Myths and new findings in peptic ulcer disease.

Peptic ulcer is an infectious disease in children in British Columbia." April 1990.

46. Thirteenth Annual Postgraduate Review in Pediatrics, BCCH/UBC. April 1990.

47. Academic Rounds, Sunnyhill Hospital. "Complications and management of GE reflux in

children with multiple handicaps". April 1990.

48. Gastroenterology/Pathology Conference. "Pathology and ethnic distribution of childhood

H. pylori disease in British Columbia". Children's Orthopedic Hospital and Medical

Center, Seattle, WA. April 1990.

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49. Research Seminar, Dept. of Pediatrics, UBC. "Helicobacter pylori associated duodenal

ulcer disease in children in B.C." May 1990.

50. Visiting Professor, Children's Hospital of Northern California, Oakland, CA. June 1990.

Presentations: Grand Rounds: "Does this bug bite? H. pylori and peptic ulcer disease

in children." Bay Area Gut Club: "Barrett's esophagus."


51. Guest Faculty, National Training Directors Workshop of American Society for

Gastrointestinal Endoscopy. "Pediatric endoscopy training." Pediatric representative to

adult GI program directors. San Diego, CA. Feb 8-9, 1991.

52. Guest Faculty, 3rd Annual Digestive Diseases Day. "Pediatric GI Potpourri". Victoria,

B.C. April 19, 1991.

53. Guest Faculty, Society for Gastrointestinal Nurses Association. "Gastroesophageal

reflux and Barrett's esophagus." New Orleans, LA. May 21, 1991.

54. Guest Faculty, American Academy of Pediatrics CME program. "Abdominal pain in

children. Medically treatable causes." Recorded in Vancouver for North American

distribution. May 27, 1991.

55. Presentation, Annual Northwest Pediatric GI Conference. "Enterocolitis in

children: new histologic findings". Seattle, WA. June 20-21, 1991.

56. Langley Memorial Hospital CME. "Chronic diarrhea in children". "The right tests

for GI complaints in children". Langley, B.C. September, 1991.

57. Guest Faculty, North American Society for Pediatric Gastroenterology and Nutrition,

Chicago: 3 Workshops on "Conscious Sedation for GI Procedures in Children." October

1991.

58. Guest speaker, Kelowna pediatric CME: "The initial general pediatric approach to GI

complaints." Kelowna, B.C. October 1991.

59. Grand Rounds, Kelowna General Hospital: "Current approaches in pediatric

gastroenterology." Kelowna, B.C. October 1991.

60. Guest Faculty, 1st annual BCCH Pediatric CME course: "Tubes for Tots to Teens."

Vancouver, B.C. November 1991.

61. Academic Rounds, Sunnyhill Hospital. "GI problems in the CNS handicapped child."

Vancouver, B.C. November 1991.


62. Falk Symposium chair: "Cholestatic liver disease." Vancouver, B.C. February 1992.

63. Symposium chair, "Gastrointestinal Diseases in Children." Child Health 2000.

Vancouver, B.C. February 1992.

64. Speaker, "Complications of gastroesophageal reflux." Child Health 2000. Vancouver,

B.C. February 1992.

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65. B.C. Children's Hospital CPC presentation. "A case of liver disease." March 1992.

66. Victoria Gut Club. "Barrett's esophagus in children and adults: new data from B.C.

Children's Hospital." Victoria, B.C. April 1992.

67. Pediatric Rounds, Victoria General Hospital. "New approaches to GE reflux, swallowing

and feeding problems." Victoria, B.C. April 1992.

68. Gunasekaran TS, Hassall E: "Omeprazole for GE reflux in children." Poster

presentation. American Gastroenterological Association, San Francisco, CA. May 1992.

69. Phillips RR, Hassall E, Israel D, Culham JAG. Splenic embolization in the treatment of

hypersplenism in the paediatric population. Poster presentation, Royal College

Radiology, UK. Sept 1992.

70. "Chronic diarrhea in children." First Pediatric Refresher Course for Family Physicians.

Vancouver, B.C. Sept 1992.

71. Visiting Professor, Children's Hospital of Eastern Ontario/University of Ottawa. Grand

Rounds: "Complications of GE reflux and new treatments: research from BC Children's

Hospital." Two afternoons with residents: case presentations and academic half-day

with journal reviews. Ottawa, Ont. Sept 1992.

72. CME Seminars. "Pediatric GI - current approaches." "Acute and chronic diarrhea in

children." 4 hrs CME, MSA Hospital, Abbotsford, B.C. Sept 1992.

73. Gunasekaran TS, Hassall E. Efficacy and safety of omeprazole for GE reflux in children.

Poster presentation. Annual meeting North American Society for Pediatric GI/Nutrition

(NASPGN), Chicago, Oct 1992.

74. Israel DM, Hassall E. Treatment and long term follow up of H. pylori disease in children.

Poster presentation. Annual meeting North American Society for Pediatric GI/Nutrition

(NASPGN), Chicago, Oct 1992.


75. Grand Rounds, BC Children's Hospital. "Helicobacter pylori gastritis and ulcers. This

bug bites." Vancouver, BC. Feb 1993.

76. Hiruki T, Dimmick JE, Hassall E. Gastric metaplasia in duodenal biopsies of pediatric

patients with Helicobacter gastritis: a case-controlled study. Platform presentation. Society for Pediatric Pathology, New Orleans, March 1993.

77. Speaker, Symposium on Pediatric Endoscopy, American Society for Gastrointestinal

Endoscopy. "Endoscopic landmarks and biopsy techniques: clinical and research applications." Boston, MA. May 1993.

78. Chairman, Symposium on "Gastrointestinal bleeding in children." American Society for Gastrointestinal Endoscopy annual meeting. Boston, MA. May 1993.

79. Platform presentation of abstract "True Helicobacter pylori-negative duodenal ulcer

disease in children". AGA Research Forum, Annual Meeting of American Gastroenterological Association. Boston, MA. May 1993.

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80. Presentation to Pediatric Omeprazole Research Group. "Long-term antireflux therapy with omeprazole in children." Gothenburg, Sweden. July 1993.

81. Speaker, 4th International Polydisciplinary Congress on The Esophageal Mucosa.

"Childhood Barrett's esophagus" and "Omeprazole for GE reflux disease in children." Paris, Sept 1993.

82. Schultz KR, Israel DM, Abella E, Green GJ, Hassall E, Ravindranath Y, Davis JH.

Association of gastro-esophageal reflux with obstructive lung disease (OLD) in children after allogeneic bone marrow transplantation (BMT). International Society of Paediatric Oncology (SIOP) 25th Meeting, San Francisco, Oct 1993.

83. Annual Refresher Course in Family Medicine. "New developments in management of GI

conditions in adolescents." UBC/Royal Columbian Hospital CME course. New Westminster, BC. Oct 1993.

84. Gunasekaran TS, Hassall E, Stringer DA. Nifedipine treatment of achalasia in children.

Poster presentation, Annual Meeting of North American Society for Pediatric Gastroenterology and Nutrition, Chicago. Nov 1993.

85. Advances in Pediatrics Seminar Series. "H. pylori - what's the story?" UBC/Children's

Hospital, Vancouver, BC. Mar 1993.


86. "Childhood diarrhea". CME Conference - When to refer and why. Whistler, BC. Jan 1994.

87. Grand Rounds and Visiting Professor, "Gastroesophageal reflux - complications and new

medical therapy." Sunrise Hospital and Medical Center/Sunrise Children's Hospital, Las Vegas, NV. March 1994.

88. Visiting Professor, Children's Hospital Oakland. Grand Rounds: "New medical

treatments for GE reflux in children." Housestaff conference: "H. pylori - what's the story?" Oakland, CA. April 25-26, 1994.

89. B.C. Liver Day. "Pediatric liver disease: Pre-transplant management". UBC/Vancouver

Hospital, Vancouver, B.C. May 1994. 90. "Gastritis and gastropathies in children". Pediatric symposium, American Society for

Gastrointestinal Endoscopy at Digestive Diseases Week. New Orleans, LA. May 1994. 91. Grand Rounds, Sunnyhill Hospital. "Complications and treatment of GE reflux in

neurologically-impaired children." Vancouver, BC. May 1994 92. "Omeprazole in children: why, who, how." Presentation to Canadian Investigators

Group of Multicenter Pediatric Omeprazole Study. Toronto, Ont. June 1994. 93. Invited faculty, Annual Meeting of Mexican Society for Gastrointestinal Endoscopy.

Talks and workshops (3 total). Mexico City. Sept 1994. 94. "Chronic diarrhea and abdominal pain in children". 2 sessions. 3rd Annual Pediatric

Refresher for General Practitioners. Vancouver, B.C. Sept 1994. 95. Grand Rounds, Kelowna General Hospital. "New developments in pediatric GI."

Kelowna, B.C. October 1994.

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96. Pediatric GI Symposium, Okanagan Valley pediatricians. Kelowna, B.C. Oct 1994. 97. Grand Rounds, B.C. Children's Hospital. "Can medical treatment replace

surgery for GE reflux in children?" Vancouver, B.C. Oct 1994. 98. "Gastric and duodenal ulcers, the role of Helicobacter pylori: Diagnosis and

treatment." "Gastroesophageal reflux. Scope of the problem." "Medical treatment of GER. Indications, contraindications, complications." "Chronic liver disease in children." 4 presentations. 4th Annual Update for Pediatricians 1994. Vancouver, B.C. Nov 1994.

99. "Diarrhea in children" (Plenary presentation). "H. pylori disease in children" (2

workshops). B.C. College of Family Physicians, Vancouver, B.C. Nov 1994. 3 presentations.


100. "Complications of GE reflux in children; medical and surgical treatments". Rounds and

Visiting Professor, Johannesburg General Hospital and Baragwanath Hospital. Johannesburg, South Africa. Jan 1995.

101. "Complications of GE reflux in children; medical and surgical treatments". Rounds. Red

Cross War Memorial Children's Hospital, Capetown, South Africa. Jan 1995. 102. "Peptic ulcer disease in children". CME Conference - When to refer and why.

Vancouver, BC. Feb 1995. 103. "Wrap failure: roles of surgical and medical treatment in GE reflux". Pediatric

GI/Surgical symposium, Victoria, BC. March 1995. 104. Faculty, NASPGN/Ross 14th Annual Seminar for North American Pediatric GI Fellows.

Two presentations, moderator, scientific organizer. Tucson, AZ. March 1995. 105. "Treatment of severe GE reflux in children." Pediatric Symposium debate, American

Society for GI Endoscopy at Digestive Diseases Week. San Diego, CA. May 1995. 106. Mahdi G, Israel DM, Hassall E. Cyclosporine for active Crohn's colitis in children. Oral

presentation, American Society for Gastrointestinal Endoscopy. San Diego, CA. May 1995.

107. Mahdi G, Israel DM, Hassall E. Pyloric balloon dilatation in children with delayed gastric

emptying. Oral presentation, American Society for Gastrointestinal Endoscopy. San Diego, CA. May 1995.

108. Dohil R, Israel DM, Hassall E. Omeprazole with amoxycillin for H. pylori disease in

children. Oral presentation, American Society for Gastrointestinal Endoscopy. San Diego, CA. May 1995.

109. Israel DM, Hassall E, Dimmick JE. Gastric polyps in children receiving omeprazole.

Poster presentation, American Gastroenterological Association, San Diego, CA. May 1995.

110. Hassall E, Dimmick JE, Israel DM. Parietal cell hyperplasia in children receiving

omeprazole. Poster presentation, American Gastroenterological Association, San Diego, CA. May 1995.

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111. "Alternatives to antireflux surgery". Presentation to Pediatric Omeprazole Research Group. Jerusalem, Israel. May 1995.

112. "All you ever wanted to know about pediatric GI". Talk to New Westminster/Fraser

Valley pediatricians. Sept 1995. 114. "Acid peptic disease in children": 4th Annual Pediatric Refresher for General

Practitioners, Vancouver, B.C. September 1995. 115. "Diagnosis of esophagitis: challenges to orthodoxy". 3 workshops at Annual Meeting of

North American Society for Pediatric Gastroenterology and Nutrition (NASPGN) Chicago, Nov 1995.

116. Moderator, Research session. North American Society for Pediatric GI & Nutrition

(NASPGN). Chicago, Nov 1995. 1996 [15 presentations] 117. "Antireflux surgery vs medical therapy for GE reflux disease". Visiting Prof,

Madigan Army Medical Center, Tacoma, WA. March 1996. 118. Faculty, NASPGN/Ross 15th Annual Seminar for North American Pediatric GI

Fellows. Presentations [2], moderator. San Diego, March 1996. 119. "Current issues in pediatric gastroenterology." Prince George Regional Hospital, Prince

George, BC. April 1996. 120. "Non-surgical approaches to portal hypertension in children". American Society

for GI Endoscopy, Pediatric Symposium. San Francisco, CA, May 1996. 121. Dohil R, Israel DM, Hassall E: "Effective two-week therapy for Helicobacter pylori

disease in children." Oral presentation, Pediatric plenary session, American Society for Gastrointestinal Endoscopy. San Francisco, May 1996.

122. Dohil R, Hassall E, Wadsworth LD, Israel DM: "Recombinant human erythropoietin

(EPO) for anemia of chronic disease in children with Crohn's disease." Poster and oral presentation, American Gastroenterological Association, San Francisco. May 1996.

123. Dohil R, Hassall E: "Helicobacter pylori in children: new developments." Advances in

Pediatrics Seminar, UBC Dept Pediatrics, June 1996. 124. Symposium Chair and Speaker. "Is the Nissen slipping? Medical therapy vs

surgery for GER disease in the era of proton pump inhibitors." O.E.S.O. Fifth World Polydisciplinary Congress, Paris. Sept 1996.

125. "How should endoscopic surveillance of Barrett's esophagus be conducted in

children?" O.E.S.O. Fifth World Polydisciplinary Congress, Paris. Sept 1996. 126. "Gastro-oesophageal reflux and respiratory disease: medical versus surgical treatment".

Major Symposium, European Respiratory Society Congress, Stockholm. Sept 1996. 127. "Medical and surgical treatment for GER-related pulmonary disease". Dept. Pediatrics.

Huddinge Hospital, Stockholm. Sept 1996. 128. Faculty, Gastroenterology Update. CME Course. "The pediatric esophagus: what's new

and what to do." "Pediatric gastric and duodenal disorders." Vancouver. Oct 1996.

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129. CME Speaker. " Current approaches in pediatric gastroenterology." Comox Hospital, BC

Dec 1996. 1997 [34 presentations] 130. Grand Rounds. Richmond General Hospital, Richmond, BC. Jan 1997. 131. CME Question and Answer Session. GP group, East Vancouver, BC. March 1997. 132. CME: "Current approaches to upper GI disorders in children"". Seymour Clinic Medical

Group. Vancouver, BC. March 1997. 133. Invited participant. Canadian Consensus Conference on Helicobacter pylori. Ottawa, ON.

April 1997. 134. Grand Rounds. Dept Pediatrics, BC Childrens' Hospital. "GE reflux and asthma - what's

the connection?" May 1997. 135. "Pediatric endoscopy training in North America". American Society for Gastrointestinal

Endoscopy, Pediatric Symposium, Washington DC. May 1997. 136. Hassall E, Israel DM, Shepherd R, Radke M, Dalväg A, Junghard O, Lundborg P, and the

International Pediatric Omeprazole Study Group. Omeprazole for chronic erosive in children: A multicenter study of dose requirements for healing. Poster presentation, American Gastroenterological Association, Washington DC. May 1997.

137. Dohil R, Dimmick J, Hassall E. Prevalence of acid mucin-containing non-goblet cells at

the normal Z-line in children. Poster presentation, American Gastroenterological Association, Washington DC. May 1997.

138. Multidisciplinary Child Care Conference, University of Indiana. One-day seminar, 5

talks. Indianapolis. May 1997. 139. Visiting Professor, James Whitcomb Riley Children's Hospital/University of Indiana,

Indianapolis. May 1997. 140. "Asthma and GE reflux". Presentation to specialist group, Kelowna, BC. May 1997. 141. "Upper GI disorders in children: reflux, H. pylori, etc." Grand Rounds, Kelowna General

Hospital, Kelowna, BC. May 1997. 142. Digestive Disease Week Review presentation. Combined pediatric and adult GI

Divisions, Vancouver, BC. June 1997. 143. Grand Rounds, Research Rounds. Children's Hospital of Winnipeg. University of

Manitoba, Winnipeg. June 1997. 144. Research Rounds, Grand Round and Visiting Professor, Division of Gastroenterology and

GI Motility Center, Queen's University, Kingston, ON. Sept 1997. 145. Grand Rounds, Research Rounds, Visiting Professor, Hôpital St.-Justine, University of

Montreal. Sept 1997. 146. Grand Rounds, Lions Gate Hospital. Upper GI disorders in children. West Vancouver,

BC. Sept 1997.

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147. CME Presentation. Burnaby Family Physician group, Burnaby, BC. Oct 1997. 148. "GE reflux, peptic ulcer disease, and H. pylori." BC Pediatric Society CME. Semi-ah-moo,

WA. Oct. 1997. 149. CME Presentation.Vancouver Family Physician group. Dr. Bing Gore et al. Vancouver,

BC. Oct 1997. 150. Hassall E, et al. Omeprazole for chronic erosive esophagitis in children. Oral

presentation, United European Gastroenterology Week, Birmingham, U.K. Oct 1997. 151. "Alternatives to anti-reflux surgery in the era of proton pump inhibitors." Rounds, Depts

Paediatrics and Surgery, Birmingham Children's Hosp, Birmingham, UK. Oct 1997. 152. Grand Rounds. Surrey Memorial Hospital. Surrey, BC. Oct 1997. 153. Annual Postgraduate Course of North American Society for Pediatric Gastroenterology

and Nutrition: "Proton Pump Inhibitors", Toronto, ON. Oct 1997. 154. Grand Rounds. BC Children's Hospital. "Peptic ulcer disease: H. pylori and other

causes. What to do about H. pylori in children: The 1997 Canadian Consensus Guidelines for Children."

155. Grand Rounds, Resident Rounds, Seminar, Visiting Professor, Dept. Pediatrics,

University of Hawaii at Mânoa, and Tripler Army Medical Center, Honolulu, HI. Nov 1997.

156. Grand Rounds, Dept Pediatrics, Tripler Army Medical Center, Honolulu, HI. Nov 1997.

1998 [9 presentations] 157. Visiting Professor, Dept Pediatrics, North Shore Hospital, Manhasset, NY. Grand

Rounds: "H. pylori and peptic ulcer disease in children". Division Seminar: "Barrett's esophagus". Oct 1998.

158. Grand Rounds, "GE reflux: New solutions to an old problem." Dept Pediatrics, St

Raphael's Hospital, New Haven, CT. Oct 1998. 159. Metropolitan New York Pediatric GI Society. "New medical therapy for GE reflux

disease: proton pump inhibitors vs antireflux surgery." New York City, Oct 1998. 160. Noon rounds: "Gastritis and gastropathy in children". Division of Pediatric

Gastroenterology, Columbia Babies and Children's Hospital, New York City, Oct 1998. 161. Divisional Rounds: "Gastritis and gastropathy in children." Division of Pediatric GI,

Montefiore Hospital, Queens, NY. Oct 1998. 162. Visiting Professor, National Medical Center of Mexico, Division of Pediatric

Gastroenterology, Mexico City. Oct 1998. 163. Faculty, Latin American Congress of Pediatric Gastroenterology and Nutrition, Puebla,

Mexico. Nov 1998 164. Invited Participant, Canadian Consensus Conference on Helicobacter pylori Disease in

Children. Victoria, BC. Nov 1998.

14 of 37

1999 [10 presentations] 165. Grand rounds. Burnaby General Hospital. Acid-related disorders in children. Burnaby,

BC. April 1999. 166. Faculty, GP Symposium. Upper GI disorders in children. Kelowna, BC. June 1999. 167. Session Chair. Canadian Helicobacter Study Group. Ottawa, ON. June 1999. 168. Faculty, 1st Argentinian Congress on Pediatric Gastroenterology and Nutrition [3 talks].

Buenos Aires, Argentina. Sept 1999. 169. Faculty, North American Society for Pediatric Gastroenterology and Nutrition. Annual

Postgraduate Course. “Barrett’s esophagus”. Denver, CO. Oct 1999. 170. Faculty, European Society for Pediatric Gastroenterology, Hepatology and Nutrition.

Postgraduate course at United European Gastroenterology Week. “Gastric mucosal disorders”. Rome, Italy. Nov 1999.

171. Faculty, Symposium on Gastroesophageal Reflux : Present and Future. University of

Naples, Italy. Nov 1999. 172. Faculty, Japanese Consensus Conference Helicobacter pylori. Kobe, Japan. Dec 1999.

2000 [15 presentations] 173. Faculty, 'Helicobacter pylori: Basic mechanisms to Clinical Cure 2000. Presentation:

'Approach to H. pylori infection and disease in children.' Bermuda, March 2000. 174. CME talk, Pediatricians and family physicians. 'Upper GI conditions in children'.

Abbotsford, BC. April 2000. 175. Faculty, ' Recent developments in esophageal and gastric mucosal disorders in

childhood.' University of Naples, Italy. May 2000. 176. Faculty, Pediatric Symposium, American Society for Gastrointestinal Endoscopy (ASGE).

" 'itis and 'opathy in the pediatric stomach". San Diego, CA. May 2000. 177. Moderator, Pediatric symposium: H.pylori in Children: Is Endoscopy Necessary ?

American Society for Gastrointestinal Endoscopy (ASGE). San Diego, CA. May 2000. 178. Poster presentation: Andersson T, Hassall E, Lundborg P, and the International Pediatric

Omeprazole Pharmacokinetic Study Group. Pharmacokinetics of orally administered omeprazole in children. Annual meeting of American Gastroenterological Association, San Diego, CA. May 2000.

179. Oral presentation: Hassall E, for the International Pediatric Omeprazole Study Group.

Omeprazole for maintenance therapy of erosive esophagitis in children. Research

forum, Annual meeting of American Gastroenterological Association, San Diego, CA.

May 2000.

180. Poster presentation: Haber M, Hassall E, Lu L, Chiu Y, Keith R, Pilmer B, Fitzgerald J.

Endoscopic and histologic findings in adolescents with GERD. World Congress of

Pediatric Gastroenterology, Hepatology and Nutrition. Boston, MA. Aug 2000.

15 of 37

181. Poster presentation: Gupta SK, Tolia V, Heyman MB, Kane RE, Chiu Y-L, Wei-Jian P,

Huang B, Keith R, Hassall E. Adolescent patients with gastroesophageal reflux disease

(GERD): Results from a randomized trial of lansoprazole. J Pediatr Gastroenterol Nutr

2000;31:S97.

182. Grand Rounds, BC Children’s Hospital. ‘Peptic ulcer disease and Helicobacter pylori:

New approaches, consensus guidelines for pediatrics’. Vancouver, BC. Sept 2000.

183. Invited faculty, Festschrift for Prof John A Walker-Smith. ‘Getting to grips with gastric

pathology in pediatrics’. Royal Free Hospital, University of London. London, England.

Sept 2000.

184. Invited faculty. Diagnostic and Therapeutic Endoscopy in Pediatrics. European

Postgraduate Gastro-Surgical School. 'Barrett's esophagus'. 'Mucosal disorders of the

pediatric stomach'. Amsterdam Medical Center, University of Amsterdam, Netherlands.

Nov 2000.

185. Invited faculty. Hospital Pharmacists Consultative Meeting. 'Update on approach to H.

pylori.' Whistler, BC. Nov 2000.


186. Gut Club: 'Approaches to severe GE reflux in children'. Victoria, BC. Jan 2001.

187. Presentation to Fraser Valley Pediatricians. New Westminster, BC. Jan 2001.

188. Invited presentation, Division of Pediatric Gastroenterology, Washington University:

'Current status of proton pump inhibitors in children'. St Louis, MO. Feb 2001.

189. Invited presentations, Divisions of Pediatric and Adult Gastroenterology, St Louis

University: 'Control of severe GE reflux in children: pros and cons of surgical and

medical approaches'. 'Gastritis and gastropathy: differences between the child and the

adult'. St Louis, MO. Feb 2001.

190. 'GE reflux in children: new studies, new directions.' Kelowna, BC. Feb 2001.

191. 'Acid peptic disorders in children.' Hospital Rounds. Vernon, BC. Feb 2001.

192. Visiting Professor. Grand Rounds, and Seminar presentation. Children's Hospital of

Michigan, Wayne State University, Detroit, MI. April 2001.

193. St Paul's 25th Annual Internal Medicine Review. 'Common gastroenterologic conditions:

Differences between the pediatric and adult patient'. St Paul's Hospital, Vancouver, BC.

May 2001.

194. Poster: Gupta S, Hassall E, Book L, Kane R, Chiu Y, Keith R, Heyman MB. Presenting

symptoms and signs in children with erosive [EE] and nonerosive esophagitis [NEE].

Annual meeting of American Gastroenterological Association. Atlanta, GA. May 2001.

195. Poster: Gaudiello G, D’Armiento F, Borrelli O, Berni Canani R, Fiorentino F, Di

Nardo,Cucchiara S, Hassall E. Inflammation of the cardia ('carditis') in children with

symptoms of acid peptic disease. Annual Meeting of European Society for Pediatric

Gastroenterology, Hepatology and Nutrition (ESPGHN). Geneva, Switzerland. June

2001.

16 of 37

196. Speaker, Venezuelan Congress of Gastroenterology. 5 talks. Porlamar, Sta Margarita,

Venezuela. Sept 2001.

197. Speaker, 1st Annual Interdisciplinary Forum in GI Medicine. 'Special aspects of Barrett's

esophagus, as they pertain to children.' Vancouver, BC. Oct 2001.

198. Poster: Haber M, Hassall E, Heyman MB, Johnson C, Huang B, Keith R, Lu L, Winter H.

Correlation of endoscopic [ENDO] and histologic [HISTO] findings in children with

erosive and nonerosive esophagitis pre- and post-treatment. Annual meeting,

NASPGHN, Orlando, FL. Oct '01.

199. Poster: Colletti RB, Hassall E, Heyman MB, Winter HS. Use of proton pump inhibitors by

pediatric gastroenterologists. Annual meeting, NASPGHN, Orlando, FL. Oct '01.

200. Poster: Tolia V, Fitzgerald J, Hassall E, Huang B, Pilmer B, Kane R. Safety of

lansoprazole in the treatment of GERD in children. United European Gastroenterology

Week, Amsterdam, NL. Oct '01.

201. State of the Art Lecture:'New Insights into Barrett's Esophagus in Childhood'. Update in

Pediatric GI Endoscopy. Italian Society of GI Endoscopy, and Italian Society of Pediatric

Gastroenterology & Hepatology. Universita degli Studi di Roma 'La Sapienza'. Rome,

Italy. Nov 2001.

202. Royal Free and University College Medical School. Masterclass in Modern Paediatric

Endoscopy. Two talks, chair (2 sessions), live endoscopy demonstration. London,

England. Dec 2001.


203. Speaker: 'Management of gastroesophageal reflux disease (GERD) in children'. Chair,

Session: 'Investigation and management of GERD in children'. World Congress of

Gastroenterology, Bangkok, Thailand. Feb 2002.

204. GI / Surgery Rounds, BCCH. 'Roles of surgical and medical therapy in pediatric GERD'.

Vancouver, BC. March 2002.

205. Faculty: Ross / NASPGHAN Conference for North American GI Fellows. Speaker:

'Endoscopy in children: do you want to just pass the scope, or actually make a

diagnosis?' Debater: 'To cut or not to cut: Are PPI’s the physician’s real option to

fundoplication – an evidence-based approach'. Carefree, AZ. April 2002.

206. Presentation, Main Session: 'GE Reflux'. 10th Annual Pediatric and Adolescent Refresher

for General Practitioners. UBC CME. Vancouver. April 2002.

207. Visiting Professor, Grand Rounds to Dept of Pediatrics; Seminar to Division of GI, Comer

Children's Hospital, University of Chicago, May 2002.

208. Hassall E, Dohil R, Dimmick JE. H. pylori negative ('idiopathic') duodenal ulcer disease

(DUD) in children is a different disease from Hp positive DUD. Poster, Annual meeting

of American Gastroenterological Association, San Francisco, CA. May 2002.

17 of 37

209. Grand Rounds, Dept Pediatrics, BC Children's Hospital. "GE Reflux in Children and

Adults: Wrapping, Medicating, or a Quick Endoscopic Fix? Roles of new and old

approaches." Vancouver, BC. June 2002.

210. Seminar: 'Options for treatment of severe GE reflux in children: Some things are best

avoided'. Division of Pediatric Gastroenterology, North Shore University Hospital,

Manhasset, NY. June 2002.

211. Talk to Federal Drug Administration [Center for Drug Administration and Research].

'Pathologic GE reflux in children. Age-related characteristics: Effect on design of clinical

trials.' Bethesda, MD. June 2002.

212. Second International Conference on Pediatric Gastroenterology, Hepatology, and

Nutrition. Presented 2 plenary talks, one Round Table. São Paolo, Brazil. July 2002.

213. Annual meeting of American Academy of Pediatrics. Symposium on Acid Related

Disorders: ‘New approaches to treatment of GE reflux’. Boston, MA. Oct 2002.

214. Royal Free & University College Medical School. Annual Postgraduate Course in

Paediatric Gastroenterology: ‘Barrett’s oesophagus: A genuine problem in children?’ Dec

2002.

215. Royal Free and University College Medical School. Annual Masterclass in Modern

Paediatric Endoscopy. Live endoscopy demonstration. Talks: ‘Overview of best

practice in paediatric upper GI endoscopy’. ‘Treatment of GORD in children is changing’.

Chair 3 sessions. London, England. Dec 2002.


216. University of California at San Francisco. Visiting Professor.

- Gastroenterology Grand Rounds (Divisions of Adult & Pediatric GI): ‘Barrett’s

esophagus in children’

- UCSF Dept Pediatrics Grand Rounds: 'GE Reflux in Children:Wrapping, Medicating, or

Endoscopic Fixing? New treatments, new approaches’.

- Bay Area Gut Club: ‘Barrett’s esophagus: Myths, methods and treatments’.

San Francisco, CA. March 2003.

217. Stanford University Medical Center, Lucile Packard Children’s Hospital, Dept Pediatrics

Grand Rounds. 'Proton pump inhibitors versus Surgery for GE Reflux in Children. The

future is here’. Palo Alto, CA. March 2003.

218. 11th Annual Pediatric and Adolescent Refresher for General Practitioners. ‘GI problems

in children’. 2 workshops. Richmond BC. May 2003.

219. Royal Free and University College Medical School. 14th Annual Course in Paediatric

Gastroenterology. ‘Peptic ulcer disease’. Keynote Address: ‘The Future of Pediatric

Endoscopy: A personal view’. London, England. Dec 03.

220. Royal Free and University College Medical School. 6th Annual Masterclass in Paediatric

Endoscopy. ‘Best Practice in Pediatric Endoscopy’. ‘Barrett’s Esophagus in Children’.

Session Chair. London, England. Dec 03.

18 of 37


221. 1st Board Review Course, North American Society for Pediatric Gastroenterology

Hepatology and Nutrition [NASPGHAN]. Oral presentations: ‘Gastritis & Gastropathy’.

‘Peptic ulcer disease’. Case presentation workshops x2. Tampa, FL. Feb 04.

222. 8th Annual Meeting of Japan Pediatric H. pylori Study Group. ‘Special Lecture’: “Peptic

ulcer disease: What we know and what we need to know”. Osaka, Japan, March 04.

223. ‘Toward accurate diagnosis in the pediatric stomach: How to improve our interpretation

of endoscopic and biopsy findings’. Children’s Hospital of New York, Columbia

Presbyterian Medical Center, New York, NY. Nov 2004.

224. ‘Barrett’s esophagus in children: What it is and what it’s not’. Hospital for Sick

Children, Toronto, ON. Nov 2004.

225. ‘Barrett’s esophagus in children with congenital esophageal abnormalities’. Clinical

research talk. Ospedale Pediatrico Bambino Gesu. Rome, Italy. Nov 2004.

226. ‘Barrett’s esophagus in children: myths and realities.’ State-of-art talk. Ospedale

Pediatrico Bambino Gesu. Rome, Italy. Nov 2004.

227. Esophageal atresia and endoscopic landmarks’. Endoscopy demonstration. Ospedale

Pediatrico Bambino Gesu. Rome Italy. Nov 2004.

228. ‘Barrett’s esophagus: Toward more accurate diagnosis in children with congenital

esophageal anomalies.’ Hospital for Sick Children / Institute for Child Health, Great

Ormond St. London, England. Nov 2004.


229. ‘Everything you want to know about childhood GE reflux – in 30 minutes’. 13th Annual Pediatric & Adolescent Refresher for Primary Care. Plenary presentation.

Case presentations: 2 workshop sessions. Vancouver, BC. April 2005.

230. Co-chair, Symposium. Pediatric Academic Societies: ‘Gastroesophageal reflux disease in infants and children’. Speaker: ‘Too Many Operations, Too Few Reasons: Why it’s Time to Change Course.’ Washington DC. May 2005

231. Poster presentation. Hassall E, El-Serag H, Kerr W. Continuous use of proton pump inhibitors [PPI] in children up to 11yrs duration. Annual meeting, American Gastroenterological Association. Chicago IL. May 05.

232. Live endoscopy demonstration. First International Symposium: ‘Eosinophilic esophagitis: A new horizon between GE reflux disease and allergy.’ Ospedale Pediatrico Bambino Gesu. Rome, Italy. June 2005.

233. Lecture: ‘Utility of esophageal biopsy in children’. First International Symposium: ‘Eosinophilic esophagitis: A new horizon between GE reflux disease and allergy.’ Ospedale Pediatrico Bambino Gesu. Rome, Italy. June 2005.

234. Lecture: ‘Acid peptic diseases in children’. Doernbecher Children’s Hospital / Oregon Health Sciences Center. Portland, OR. July 2005.

19 of 37

235. Lecture: ‘Esophageal biopsy in children - essential, valuable, or a waste of time? It all depends.’ Co-chair, one session. Third European Pediatric Motility Meeting. European Postgraduate Gastro-surgical School, Amsterdam Medical Center. Amsterdam. Sept 2005.

236. Speaker. Symposium: Eosinophilic esophagitis in children. Annual meeting of North American Society for Pediatric Gastroenterology Hepatology & Nutrition. Salt Lake City. Oct 2005.

237. Speaker: Second Annual Pediatric Gastroenterology Mini-Symposium. ‘Controversies in pediatric GE reflux. Dept of Pediatric Gastroenterology & Nutrition, Cleveland Clinic. Cleveland, OH. Nov 2005.


238. Speaker. ‘Barrett’s esophagus, special relevance to esophageal atresia’. Special lecture.

Women’s & Children’s Hospital. Adelaide, Australia. Feb 2006.

239. Speaker. ‘Barrett’s esophagus, special relevance to esophageal atresia’. Special lecture. Depts of Gastroenterology & Surgery, Royal Children’s Hospital, Melbourne, Australia. Feb 2006.

240. Speaker. ‘Barrett’s esophagus & esophageal atresia’. Children’s Hospital of Philadelphia, Philadelphia, PA. April 2006.

241. ‘Acid-related disorders’. Faculty. Second Annual Update in Pediatric GI. New York Presbyterian Hospital at Weill Medical College University. New York, NY. April 2006.

242. ‘Barrett’s esophagus, special relevance to esophageal atresia’. GI Grand Rounds, Children’s Hospital of NY at Columbia Presbyterian. New York, NY. April 2006.

243. Chicago Gut Club. ‘GE reflux in children. What’s new. And what to do about it.’ Invited lecture. Peds GI, Milwaukee & Chicago areas. Chicago, IL. April 2006.

244. ‘Barrett’s esophagus with special reference to esophageal atresia.’ Milwaukee Children’s Hospital, Milwaukee, WI. April 2006.

245. ‘Uncomplicated GER in early life - diagnosis and management. Appropriate use of proton pump inhibitors in pediatric GERD’. Talk to General Pediatricians. Vancouver BC. May 2006.

246. ‘GE reflux in early life - diagnosis and management. Use of PPIs in pediatrics’. Grand Rounds, Surrey Memorial Hospital, Surrey, BC. May 2006.

247. American Academy of Pediatrics, Annual Meeting. ‘Debating the Issues in the Treatment and Management of Pediatric GERD.’ Step-down therapy –The case for using PPI as initial treatment: ‘More is More’. Step-up therapy – The case for using H2-receptor antagonists (H2-RA) as initial treatment: ‘Less is More’. Presented both sides of the debate. Atlanta, GA. Oct 2006.

248. First International Gastrointestinal Eosinophilic Research Symposium (FIGERS). Session chair. Orlando, FL. Oct 2006.

249. North American Society for Pediatric Gastroenterology, Hepatology & Nutrition, Annual Meeting. Presentation: ‘Nocturnal Acid Reflux & PPI Resistance’. Orlando, FL. Oct 2006.

20 of 37


250. ‘GE reflux disease: Everything you wanted to know!’ ‘A digestible upper GI potpourri’. Keynote speaker. 9th Annual Pediatric Symposium, Children’s Hospital of Illinois. Peoria, IL. May 2007.

251. 'Preparing the patient for endoscopy and diagnostic dilemmas.' 'Controversies in the

treatment of reflux disease.' 2 presentations. Royal Free and University College Medical School. 18th Annual Course in Paediatric Gastroenterology and Endoscopy. London, England. Nov 2007.


252. 'Eosinophilic esophagitis.' Symposium Co-Chair and Speaker. Canadian Digestive Diseases Week. Montreal. Feb 2008.

253. 'What's new in pediatric reflux?' Invited talk. Victoria BC. March 2008. 254. 'The coming changes in pediatric GI.' Hospital for Sick Children, Great Ormond St,

London, UK. April, 2008. 255. Poster presentation. Hassall E, Owen D, Kerr W, Sturby T, Fitzgerald S, El-Serag H.

Gastric histology in children treated with proton pump inhibitors (PPIs) long-term. Annual meeting, American Gastroenterological Association. San Diego, CA. May 2008.

256. Faculty, 1st North American Society of Pediatric Gastroenterology Hepatology & Nutrition

Therapeutic Endoscopy Hands-On Course. Speaker: 'Standard of care in Pediatric Endoscopy'. Oak Brook, IL. Sept 2008.

257. Visiting Professor, Grand Rounds, Advocate Lutheran General Children's Hospital.

'Treatment of GE Reflux Disease: The Changing Scene'. CME talk: 'New developments in pediatric GERD'. Chicago, IL. Oct 2008.

258. Poster presentation. Nelson S, Roberts L, Kothari, S, Orenstein SR, Gold B, Hassall E,

Mody R, Kleinman L, Dabbous O. Validation of the Pediatric Gastroesophageal Reflux Disease Symptom and Quality of Life Questionnaire (PGSQ). Annual meeting, American College of Gastroenterology. Orlando, FL. Oct 2008.

259. Oral presentation. Orenstein SR, Hassall E, Furmaga-Jablonska W, Atkinson S, Raanan M.

Multicenter, double-blind, randomized, placebo-controlled trial assessing efficacy & safety of proton pump inhibitor lansoprazole in infants with symptoms of gastroesophageal reflux disease. Annual meeting, North American Society for Pediatric Gastroenterology Hepatology and Nutrition. San Diego, CA. Nov 2008.

260. Clinical Challenge Presentation: Management of Complications of GERD. Annual

meeting, North American Society for Pediatric Gastroenterology Hepatology and Nutrition. San Diego, CA. Nov 2008.

261. Revised Guide to Pediatric GERD: Issues and Insights in Diagnosis and Management.

Symposium Chair and speaker: 'Pediatric reflux in flux'. San Diego, CA. Nov 2008. 2009 [12 presentations]

262. Advances in Pediatrics series. BC Children's Hospital. 'Eosinophilic esophagitis'. Vancouver BC. Jan 2009.

21 of 37

263. 19th Annual Course in Paediatric Gastroenterology and IBD/Endoscopy, Royal Free Hospital. 3 presentations: 'Eosinophilic esophagitis', 'New consensus definitions and management guidelines in gastroesophageal reflux disease', 'Safety in endoscopy'. London, UK. Jan 2009.

264. Grand Rounds, BC Children's Hospital. 'GE reflux in flux: New definitions, new guidelines,

new data on acid suppression in children'. Vancouver BC, March 2009.

265. First Annual Conference, Living With Reflux organization. 'Complications of reflux, pros and cons of medical and surgical treatments, and the new disease that may present like GORD: eosinophilic esophagitis.' London, UK, March 2009.

266. ‘GE reflux in pediatrics: New data and approaches.’ CME talk to general pediatricians.

Vancouver, BC. May 2009.

267. GE reflux: New guidelines, new data in infants. Belgian Nutricia Academy. Vancouver BC. May 2009.

268. Pathology Grand Rounds. “Esophageal biopsies: important, but not for the reasons we

used to think”. Dept Pathology, BC Children’s Hospital, Vancouver, BC. June 2009.

269. ‘GERD: Is there consensus?’ Symposium. Annual Meeting, Canadian Pediatric Society, Ottawa, ON. June 2009

270. ’GERD & Ped GI: Update’. Talk to general pediatricians. Maple Ridge, BC. Oct 2009. 271. Faculty, 2nd North American Society of Pediatric Gastroenterology Hepatology &

Nutrition Therapeutic Endoscopy Hands-On Course. Speaker: 'Standard of care in Pediatric Endoscopy'. Oak Brook, IL. Oct 2009.


272. ‘Current concepts in reflux esophagitis and Barrett's esophagus.’ Pediatric Academic

Societies Annual Meeting. Vancouver BC. May 2010. 273. ‘The new definitions of Barrett’s esophagus: different types of columnar metaplasia,

identification and significance in EA.’ Co-chair, ‘Challenges in surgical procedures: anastomotic strictures.’ First International Workshop on Esophageal Atresia. Lille, France. May 2010.

274. ‘Esophagitis and Barrett’s esophagus: Unifying the definitions and diagnostic

approaches, with special reference to esophageal atresia.’ Ospedale Bambino Gesu

Roma. Rome, Italy. July 2010.

275. ‘Use of gastric acid-suppressing drugs in children: Safety issues’. Presentation to FDA

GI Pediatric Advisory Committee. Gaithersburg, MD. Nov 2010.

276. ‘GE reflux in flux. Part 1: New Definitions & Guidelines plus Eosinophilic Esophagitis.’

Pediatric Grand Rounds, California Pacific Medical Center, San Francisco, CA. Dec 2010. 2011 [10 presentations]

277. ‘GE reflux in flux. Part 2: Treatments: Risk/Benefit. Pediatric Grand Rounds, California

Pacific Medical Center, San Francisco, CA. Jan 2011.

22 of 37

278. ‘Medical vs. Surgical therapy for GERD in Children and Adults: Antireflux surgery fails

early and often.’ Symposium. American Society for Parenteral and Enteral Nutrition

(ASPEN). Vancouver BC. Jan 2011.

279. ‘Esophagitis and Barrett’s esophagus: Unifying the definitions and diagnostic

approaches, with special reference to esophageal atresia.’ Dept Pediatric Surgery,

UCSF, San Francisco, CA. Feb 2011.

280. ‘Esophageal biopsy in pediatrics: still important, but not for the reasons we thought in

the past. New definitions and approaches to reflux esophagitis, Barrett’s and

eosinophilic esophagitis.’ Dept Pathology, California Pacific Medical Center, San

Francisco, CA. March 2011.

281. ‘Treatments for GE reflux disease: Pros and cons of medical and surgical treatments.

Overprescription of acid suppressant drugs in children, and what to do about it’. Grand

Rounds, Marin General Hospital, Greenbrae, CA. April 2011.

282. ‘Treatments for GE reflux: Surgery and pharmacologic treatments, benefits v risk:

including the risks of overprescription of acid suppressing drugs in children.’ Division of

Pediatric Gastroenterology, IWK Children’s Hospital, Halifax, NS. May 2011.

283. ‘Benefit vs risk for medical and surgical treatments for GE reflux disease. Over-

prescription of acid suppressant drugs in children: how it came about, why it’s wrong

for patients, and what to do about it’. Children's Hospital & Research Center Oakland,

Oakland, CA. June 2011.

284. ‘Treatments for Reflux Disease: Medical and Surgical.’ Sutter Pediatric CME,

Sonoma,CA. Nov 2011.

285. ‘Uses, Abuses and Safety of Acid Suppressing Treatments for GERD in Children.’

‘Eosinophilic esophagitis’. 2 presentations. 5th European Pediatric Motility Meeting.

Emma Children’s Hospital. Amsterdam, The Netherlands. Dec 2011.


286. ‘Pediatric GI Potpourri’. Pediatric Dept, Mills Peninsula Hospital, Burlingame, CA. March

2012.

287. Debate: ‘Are we overmedicating for GER symptoms?’ and Workshop: ‘Management of

medication-refractory GERD’. Harvard / Children’s Hospital Boston Pediatric

GI/Hepatology Postgraduate Course. Boston MA. April 2012.

288. ‘Pediatric GI Potpourri’. Pediatric Dept, Seton Medical Center, Daly City, CA. May 2012.

289. 'Overprescription of acid suppressing drugs in infants and children: A risky business.'

Plenary presentation, American Academy of Pediatrics Annual meeting. New Orleans,

LA. Oct 2012.

290. 'Medical and surgical treatments for GE reflux disease in children: benefits and risks.'

Selected short subject, American Academy of Pediatrics Annual meeting. New Orleans,

LA. Oct 2012.

291. ‘Role of proton pump inhibitors in eosinophilic esophagitis’. Symposium on Eosinophilic

Esophagitis. Advocate Children’s Hospital, Chicago, IL. Nov 2012.

23 of 37

2013 [Scheduled]

292. ‘Complications of GERD; eosinophilic esophagitis vs GERD; pros and cons of medical

and surgical treatments of reflux disease.’ LWR Annual Conference. April ’13. London,

UK.

293. ‘Debate on the role of acid suppressant drugs in infancy: Acid suppressant drugs are

overused in infancy.’ LWR Annual Conference. London, UK. April ’13. London, UK.

24 of 37

PUBLICATIONS

Total: 229 (Refereed 59, Non-refereed 43, Book chapters 48, Abstracts 54, Letters 25)

Latest: Published 2009-12: 19

REFEREED [59]

1. Hassall E, Ulich T, Ament ME: Pulmonary embolus and malassezia pulmonary infection

related to urokinase therapy. J Pediatr 1983;102:722-725.

2. Hassall E, Barclay G, Ament ME: Colonoscopy in childhood. Pediatrics 1984;73:594-599.

3. Hassall E, Benson L, Hart M, Krieger D: Hepatic encephalopathy following portacaval

shunt. J Pediatr 1984;105:439-441.

4. Dorney SFA, Ament ME, Berquist WE, Vargas J, Hassall E: Improved survival in very

short bowel syndrome of infancy with the use of long-term parenteral nutrition. J Pediatr

1985;107:521-525.

5. Hassall E, Weinstein WM, Ament ME: Barrett's esophagus in childhood. Gastroenterology

1985;89:1331-7.

6. Doty J, Hassall E, Fonkalsrud EW: Anomalous drainage of the common bile duct: clinical

sequelae. Arch Surg 1985;Sept:1077-1080.

7. Dorney SFA, Hassall E, Arbuckle SM, Vargas JH, Berquist WE: Paucity of intrahepatic bile

ducts associated with SZ phenotype alpha-1-antitrypsin deficiency, chronic cholestasis

and hepatic fibrosis. Aust Pediatr J 1987;23:55-56.

8. Hyman P, Hassall E: Marked basal gastric acid hypersecretion and peptic ulcer disease:

Medical management with combination H2-histamine receptor antagonist and

anticholinergic. J Pediatr Gastroenterol Nutr 1988;7:57-63.

9. Hassall E, Berquist WE, Ament ME, Vargas J, Dorney SFA: Sclerotherapy for extrahepatic

portal hypertension in childhood. J Pediatr 1989;115:69-74.

10. Hassall E, Israel D, Gunasekaran T, Steward D: Halothane hepatitis in children. J Pediatr

Gastroenterol Nutr 1990;11:553-7.

11. Hassall E, Dimmick JE: Unique features of H. pylori disease in children. Dig Dis Sci

1991;36:4:417-23.

12. Gunasekaran TS, Hassall E, Dimmick JE, Chan KW: Hodgkin's disease presenting with

fulminant liver disease. J Pediatr Gastroenterol Nutr 1992;15:189-193.

13. Gunasekaran T, Hassall E: Giardiasis mimicking inflammatory bowel disease. J Pediatr

1992;120:424-6.

14. Gunasekaran T, Hassall E, Yong SL, Steinbrecher U: Recurrence of extrahepatic biliary

atresia in two half sibs. Am J Med Genetics 1992;43:592-594.

15. Kaikov Y, Wadsworth LD, Hassall E, Dimmick JE, Rogers PCJ: Primary hemochromatosis

in children: report of three newly diagnosed cases and review of the pediatric literature.

Pediatrics 1992;90:37-42.

25 of 37

16. Hassall E, Weinstein WM: Partial regression of childhood Barrett's esophagus after

fundoplication. Am J Gastroenterol 1992;87:506-512.

17. Hassall E, Dimmick JE, Magee JF: Adenocarcinoma in childhood Barrett's esophagus. Am

J Gastroenterol 1993;88:282-288.

18. Hassall E: Barrett's esophagus: new definitions and approaches in children. J Pediatr


19. Hassall E. Barrett's esophagus: congenital or acquired? Am J Gastroenterol

1993;88:819-24.

20. Gunasekaran TS, Hassall E: Efficacy and safety of omeprazole for gastroesophageal

reflux in children. J Pediatr 1993;123:148-54.

21. Israel DM, Hassall E: Treatment and long-term follow up of Helicobacter pylori-

associated duodenal ulcer disease in children. J Pediatr 1993;123:53-8.

22. Ferry GD, Kirschner BS, Grand RJ, Issenman RM, Griffiths AM, Vanderhoof JA, Fiedorek

SC, Winter HS, Hassall EG, Watkins JB, Gryboski J, Ulshen MH, Daum F, Perman JA,

Thomas DW, Heubi JE, Byrne WJ, Jones B: Olsalazine versus sulfasalazine in childhood

ulcerative colitis. J Pediatr Gastroenterol Nutr 1993;17:32-8.

23. Joachim G, Hassall E: Familial inflammatory bowel disease in a pediatric population. J

Adv Nurs 1993;17:1310-6.

24. Hassall E, Israel DM, Davidson AGF, Wong LTK: Barrett's esophagus in children with

cystic fibrosis: not a coincidental association. Am J Gastroenterol 1993;88:1934-8.

25. Stringer DA, Hassall E, Ferguson AC, Cairns R, Nadel H, Sargent M: Hypersensitivity

reaction to single contrast barium meal studies in children. Ped Radiol 1993;23:587-8.

26. Israel DM, Hassall E, Culham G, Phillips R: Partial splenic embolization in children with

hypersplenism. J Pediatr 1994;124:95-100.

27. Hassall E. Childhood Barrett's esophagus under the microscope. Am J Surg

1994;167:287-90.

28. Israel DM, McLain B, Hassall E: Successful pancolonoscopy and ileoscopy in children. J

Pediatr Gastroenterol Nutr 1994;19:283-9.

29. Israel DM, Hassall E. Prolonged use of gastrostomy for enteral hyperalimentation in

children with Crohn's disease. Am J Gastroenterol 1995;90:1084-8.

30. Hassall E. Wrap session: Can medical treatment replace antireflux surgery for severe GE

reflux disease in children? Am J Gastroenterol 1995;90:1212-20.

30. Mahdi G, Israel DM, Hassall E. Nickel dermatitis and associated gastritis following coin

ingestion. J Pediatr Gastroenterol Nutr 1996;23: 74-6.

32. Hassall E. Macroscopic vs microscopic diagnosis of esophagitis: erosions or eosinophils?

J Pediatr Gastroenterol Nutr 1996;22:321-5.

26 of 37

33. Ellison E, Dimmick JE, Hassall E. Mucin histochemistry of the developing

gastroesophageal junction. Ped Pathol Lab Med 1996;16:195-206.

34. Mahdi G, Israel DM, Hassall E. Cyclosporine for the treatment of severe active Crohn's

disease in children. Am J Gastroenterol 1996;91: 1355-9.

35. Dohil R, Israel DM, Hassall E. Effective two-week antibiotic therapy for H. pylori disease

in children. Am J Gastroenterol 1997;92:244-7.

36. Dimmick JE, Jevon G, Hassall E. Pediatric gastritis. Persp Pediatr Pathol 1997;20:35-76.

37. Hassall E. Co-morbidities in childhood Barrett's esophagus. J Pediatr Gastroenterol Nutr

1997;25:255-60.

38. Dohil R, Hassall E, Wadsworth LD, Israel DM. Recombinant human erythropoietin for

anemia of chronic disease in children with Crohn's disease. J Pediatr 1998;132:155-8.

39. Israel DM, Hassall E. Omeprazole and other proton pump inhibitors: Pharmacology,

efficacy, and safety, with special reference to use in children. J Pediatr Gastroenterol

Nutr 1998;27:568-79.

40. Jevon GP, Dimmick JE, Dohil R, Hassall E. The spectrum of gastritis in celiac disease of

childhood. Pediatr Dev Path 1999;2:221-6.

41. Dohil R, Hassall E, Jevon G, Dimmick J. Gastritis and gastropathy of childhood. J Pediatr


42. Andersson T, Hassall E, Lundborg P, and the International Pediatric Omeprazole

Pharmacokinetic Study Group. Pharmacokinetics of orally administered omeprazole in

children. Am J Gastroenterol 2000;95:3101-6.

43. Hassall E, Israel DM, Shepherd R, Radke M, Dalväg A, Sköld B, Junghard O, Lundborg P,

and the International Pediatric Omeprazole Study Group. Omeprazole for treatment of

chronic erosive esophagitis in children: A multicenter study of efficacy, safety, tolerability

and dose requirements. J Pediatr 2000;137:800-7.

44. Israel DM, Mahdi G, Hassall E. Pyloric balloon dilation can improve symptoms and

complications of delayed gastric emptying in children. Can J Gastroenterol 2001;15:723-

7.

45. Hassall E. Peptic ulcer disease and current approaches to Helicobacter pylori. Medical

Progress. J Pediatr 2001;138:462-8.

46. Vandenplas Y, Hassall E. Mechanisms of gastroesophageal reflux and gastroesophageal

reflux disease. J Pediatr Gastroenterol Nutr 2002;35:119-36.

47. Tolia V, Fitzgerald J, Hassall E, Huang B, Pilmer B, Kane R. Safety of lansoprazole in the

treatment of GERD in children. J Pediatr Gastroenterol Nutr 2002;35: Supp: S300-307.

48. Borrelli O, Hassall E, Cucchiara S, D’Armiento F, Bosco S, Mancini V, Di Nardo G, de

Mesquita MB. Inflammation of the gastric cardia ["carditis"] in children with symptoms

of acid peptic disease. J Pediatr 2003;143:520-4.

27 of 37

49. Hassall E. Decisions in diagnosing and managing chronic gastroesophageal reflux. J

Pediatr 2005;146: Suppl 1:S3-12.

50. Hassall E. Outcomes of fundoplication: Causes for concern, newer options. Arch Dis Child

2005;90:1047-52.

51. Gupta S, Hassall E, Chiu Y-L, Lee C, Heyman MB. Presenting symptoms of non-erosive

and erosive esophagitis in pediatric patients. Dig Dis Sci 2006;51:858-63.

52. Hassall E, Kerr W, El-Serag HB. Characteristics of children receiving proton pump

inhibitors continuously for up to 11 years duration. J Pediatr 2007;150:262-7.

53. Furuta GT, Liacouras C, Collins MH, Gupta S, Justinich C, Putnam P, Rothenberg M,

Bonis P, Hassall E, Straumann A, Rothenberg ME, on behalf of the First International

Gastrointestinal Eosinophil Research Symposium (FIGERS) Subcommittees.

Consensus report: Eosinophilic esophagitis in children and adult: a systematic review and

consensus recommendations for diagnosis and treatment. Gastroenterology

2007;133:1342–1363.

54. Hassall E. Cardia-type mucosa as an esophageal metaplastic condition in children:

"Barrett’s esophagus, intestinal metaplasia-negative?" J Pediatr Gastroenterol Nutr

2008;47:102–106.

55. Orenstein SR, Hassall E, Furmaga-Jablonska W, Atkinson S, Raanan M. Multicenter,

double-blind, randomized, placebo-controlled trial assessing efficacy & safety of proton

pump inhibitor lansoprazole in infants with symptoms of gastroesophageal reflux disease.

J Pediatr 2009;154:514-520.

56. Hassall E, Owen D, Kerr W, Sturby T, Richardson P, El-Serag H. Gastric histology in

children treated with proton pump inhibitors (PPIs) long-term. Aliment Pharmacol Ther

2011; 33: 829–836.

57. Kleinman L, Nelson S, Kothari-Talwar S, Roberts L, Orenstein SR, Mody RR, Hassall E,

Gold B, Revicki D, Dabbous O. Development and Psychometric Evaluation of Two Age-

Stratified Versions of the Pediatric Gastroesophageal Reflux Disease Symptom and

Quality of Life Questionnaire (PGSQ). J Pediatr Gastroenterol Nutr 2011; 52:514-22.

58. Hassall E. Overprescription of acid-suppressing drugs in infants: How it came about, why

it’s wrong, and what to do about it. J Pediatr 2012;160:193-8.

59. Hassall E, Shepherd R, Koletzko S, Radke M, Henderson C, Lundborg P. Long-term

maintenance treatment with omeprazole in children with healed erosive esophagitis: A

prospective study. Aliment Pharmacol Ther 2012;35:368-79.

NON-REFEREED PUBLICATIONS [43]

ARTICLES

1. Anderson FH, Sutherland LR, Hassall E: Inflammatory bowel disease from A to Z. Can J

CME 1989; Nov/Dec:26-38.

2. Joachim G, Hassall E: The personal computer in office research: A computerized data

base of pediatric inflammatory bowel disease. BC Med J 1990; 32:196-8.

28 of 37

3. Israel DM, Hassall E: Pediatric aspects of inflammatory bowel disease. BC Med J

1993;35:3: 168-171.

4. Hassall E. Should pediatric gastroenterologists be IV drug users? J Pediatr Gastroenterol

Nutr 1993;4:370-72.

5. Hassall E. Clinical practice guidelines for suspected peptic ulcer disease in children. BC

Med J 1994;36:538-40.

6. Hassall E, Treem WR. To stab or to strangle: how best to kill a varix? J Pediatr


7. Hassall E. NASPGN Position Paper: Requirements for training to ensure competence of

endoscopists performing invasive procedures in children. J Pediatr Gastroenterol Nutr

1997; 24:345-7.

8. Vandenplas Y, Belli, D, Benhamou P, Cadranel S, Cezard JP, Cucchiara S, Dupont C,

Faure CHR, Gottrand F, Hassall E, Heymans H, Kneepkens F, Sandhu B. A critical

appraisal of current management practices for infant regurgitation - recommendations

from a working party. Eur J Pediatr 1997;156:343-57.

9. Davidson AGF, Hassall E. Screening for celiac disease. Can Med Assoc J 1997;157:547-8.

10. Hassall E. Antireflux surgery in children: Time for a harder look. Pediatrics

1998;101:467-8.

11. Hunt RH, Thomson ABR, and named Consensus Conference Participant and Co-author.

Canadian Helicobacter pylori Consensus Conference Update: Infections in adults. Can J

Gastroenterol 1998;12:31-41. [Author of pediatric guidelines section of that document].

12. Hassall E. Antireflux surgery in children. Quarterly Newsletter, GI Motility Center, Queens

University, ON. Winter 1998/99 issue.

13. Van Dam J, Brady PG, Freeman, M, Gress F, Gross GW, Hassall E, Hawes R, Jacobsen

N, Liddle RA, Ligresti RJ, Quirk DM, Sahagun J, Sugawa C, Tenner MS. Guidelines for

training in endoscopic ultrasound. Gastrointest Endosc 1999;49:829-833.

14. Gunasekaran TS, Hassall E. The swollen, scarlet scrotum: An uncommon manifestation of

a common disorder. J Pediatr 1999;134:97-8.

15. Vandenplas Y, Belli DC, Benatar A, Cadranel S, Cucchiara S, Dupont C, Gottrand F,

Hassall E, Heymans HAS, Kearns G, Kneepkens CMF, Koletzko S, Milla P, Polanco I,

Staiano AM. The role of cisapride in the treatment of pediatric gastroesophageal reflux.


16. Sherman P, Hassall E, Hunt RH, Fallone CA, Veldhuyzen van Zanten S, Thomson ABR,

and Participants of the Canadian Helicobacter Study Group. Canadian Helicobacter study

group consensus conference on the approach to H. pylori infection in children and

adolescents. Can J Gastroenterol 1999;13:553-9.

17. In Winter HS, Rudolph C. NASPGN Guidelines for Training in Pediatric Gastroenterology.

Author of Acid Peptic Diseases section. J Pediatr Gastroenterol Nutr 1999;29:S8-S10.

18. Dohil R, Hassall E. Peptic ulcer disease in children. In: Tytgat GN, ed. Bailliere's Best

Pract Res Clin Gastroenterol 2000;14:53-73.

29 of 37

19. Gold BD, Abbott M, Colletti R, Czinn SJ, Elitsur Y, Hassall E, MacArthur C, Sherman PM,

Snyder J. Helicobacter pylori infection in children: recommendations for diagnosis and

treatment. A position paper of the North American Society for Pediatric Gastroenterology

and Nutrition. J Pediatr Gastroenterol Nutr 2000;31:490-7.

20. Vandenplas Y, and the ESPGHN Cisapride Panel. (Hassall E: named co-author). Current

pediatric indications for cisapride: A position paper by a panel convened by the European

Society for Pediatric Gastroenterology, Hepatology, and Nutrition. J Pediatr Gastroenterol

Nutr 2000;31:480-9.

21. Boey CC, Goh KL, Hassall E, Magid M. Endoscopy in children with recurrent abdominal

pain. Gastrointest Endosc. 2001:142-143.

22. Colletti RB, Hassall E, Heyman MB, Winter HS. Use of proton pump inhibitors (PPIs) by

pediatric gastroenterologists. J Pediatr Gastroenterol Nutr 2001;33:414.

23. Hassall E. Approaching suspected peptic ulcer disease or H. pylori infection: 'The

guidelines' – Where we are in pediatrics, and how we got here. J Pediatr Gastroenterol

Nutr 2001;32:405-6.

24. Hassall E. Getting to grips with gastric pathology. J Pediatr Gastroenterol Nutr

2002;34:Supp 1:S46-50.

25. Hassall E. Endoscopy in children with GERD: 'The way we were and the way we should

be.' Am J Gastroenterol 2002;97:1583-6.

26. Waye JD, Armengol-Miro JR, Goh KL, Hassall E, Novis B, Wang TH. Small bowel

endoscopy. Gastrointest Endosc 2002;56:461-2.

27. Jones NL, Sherman P, Fallone CA, Flook N, Smaill F, Veldhuyzen van Zanten S, Hunt R,

Thomson A, et al. [Hassall E: Named co-author as part of Canadian Helicobacter Study

Group.] Consensus Conference: Update on the approach to Helicobacter pylori infection

in children and adolescents - An evidence-based evaluation. Can J Gastroenterol

2005;19:399-408.

28. Hassall E. Esophageal biopsy in children – essential, valuable, or a waste of time?: It all

depends. J Pediatr Gastroenterol Nutr 2005;41:S24-27.

29. Rosh J, Hassall E. Therapy with gastric acid inhibitors increases the risk of acute

gastroenteritis and community-acquired pneumonia in children. J Pediatr Gastroenterol

Nutr 2006;43:545.

30. Hassall E. Esophageal metaplasia: Definition and prevalence in children. Invited Editorial.

Gastrointest Endosc 2006;64:676-7.

31. Hassall E. Issues in diagnosis and treatment of pediatric GERD. Pharmacotherapy: Step-

up vs Step-down. Contemp Pediatr 2007;24:Supplement.

32. Orenstein SR, Hassall E. Infants and proton pump inhibitors: Tribulations, no trials.

Invited Editorial. J Pediatr Gastroenterol Nutr 2007;45:395-398.

33. Hassall E. Talk is cheap, often effective: Symptoms in infants often respond to non-

pharmacologic measures. Invited Editorial. J Pediatr 2008;152:310-2.

30 of 37

34. Hassall E. Step-up and step-down approaches to treatment of reflux disease in children.

Curr Gastroenterol Rep 2008;10:324–331.

35. Sherman PM, Hassall E, Fagundes-Neto U, Gold BD, Kato S, Koletzko S, Orenstein S,

Rudolph C, Vakil N, Vandenplas Y. A Global, Evidence-Based Consensus on the Definition

of Gastroesophageal Reflux Disease in the Pediatric Population. Am J Gastroenterol

2009;104:1278-95.

36. Vandenplas Y, Rudolph CD, Di Lorenzo C, Hassall E, Liptak G, Mazur L, Sondheimer J,

Staiano A, Thomson M, Veereman-Wauters G, Wenzl T. Pediatric Gastroesophageal

Reflux Clinical Practice Guidelines: Joint Recommendations of NASPGHAN and ESPGHAN.


37. Hassall E. ‘GERD is the new colic.’ 2009. http://www.healthcentral.com/acid-

reflux/c/817518/96079/gerd-colic

38. Gold BD, Sherman P, Hassall E. Summary of the 2009 Pediatric Gastroesophageal Reflux

Clinical Practice Guidelines. Children’s Digestive Health and Nutrition Foundation website.

http://cdhnf.org 2010.


Staiano A, Thomson M, Veereman-Wauters G, Wenzl T. Gastroösophageale

Refluxkrankheit. Internationaler evidenzbasierter Konsens zur Definition der GÖRK bei

Kindern und Jugendlichen. Monatsschr Kinderheilkd 2010; 158:164–176.


Staiano A, Thomson M, Veereman-Wauters G, Wenzl T. Consensus factuel international

sur la définition du reflux gastroœsophagien pathologique en pédiatrie. Archives de

Pediatrie 2010;17:1586-93.

41. Hassall E. Not everything is celiac disease. Invited editorial. Gastrointest Endosc

2010;72:569-71.

42. Hassall E. Esophagitis and Barrett’s esophagus: Unifying the definitions and diagnostic

approaches, with special reference to esophageal atresia. J Pediatr Gastroenterol Nutr

2011; Suppl1:S23-26.

43. Hassall E. Uses and abuses of acid-suppression therapy in children. J Pediatr

Gastroenterol Nutr 2011 Dec;53 Suppl 2:S8-9.

LETTERS [25]

1. Metz SA, Hassall E. Prostaglandin E, hypercalcemia and subcutaneous fat necrosis. J

Pediatr 1980;97:336.

2. Hassall E, Ament ME. Total colonoscopy in children. Arch Dis Child 1983;Jan:76-7.

3. Hassall E. Hepatic encephalopathy after portavacal shunt. J Pediatr 1985;107:486.

4. Hassall E, Dimmick J. Absence of regression in columnar-lined esophagus. J Pediatr


http://www.healthcentral.com/acid-reflux/c/817518/96079/gerd-colic

http://www.healthcentral.com/acid-reflux/c/817518/96079/gerd-colic

http://cdhnf.org/

31 of 37

5. Hassall E. Antibiotic prophylaxis during sclerotherapy for esophageal varices. J Pediatr

1990; 116:156-7.

6. Hassall E, Dimmick JE. Histologic appearance of varioliform gastritis in children. J

Pediatr 1990; 116:494-5.

7. Hassall E, Steward DJ. Halothane hepatitis. J Pediatr Gastroenterol Nutr 1991;13:222-4.

8. Hassall E, Kaikov Y, Wadsworth L. Early diagnosis and treatment of hemochromatosis in

children. BC Med J 1993;35:227.

9. Hassall E. Laparoscopic surgery. BC Med J 1993;35:556-60.

10. Hassall E. Who should perform pediatric endoscopic sedation? J Pediatr Gastroenterol

Nutr 1994;18:114-5.

11. Hassall E. Barrett’s esophagus: an unlikely diagnosis in infants and young children. Am J

Gastroenterol 1994;89:287.

12. Hassall E, Gunasekaran TS. Optimal dose of omeprazole in infants and young children. J

Pediatr 1994;124:332-4.

13. Hassall E, Israel DM, Culham G. Splenic embolization for portal hypertension in children.

J Pediatr 1994;125:505-6.

14. Gunasekaran TS, Hassall E. Giardiasis diagnosed at colonoscopy with ileoscopy. Am J

Gastroenterol 1996;91:407-8.

15. Hassall E, Wyllie R. Requirements for training to ensure competence of endoscopists

performing invasive procedures in children. J Pediatr Gastroenterol Nutr 1998;26:363-4.

16. Hassall E. Mistaking ‘life’ (as we know it) for ‘disease’. Am J Gastroenterol

2006;101:2434-5.

17. Hassall E, Lobe T. Risks of oral sodium phosphate for pre-colonoscopy bowel preparation

in children. Gastrointest Endosc 2007;65:1102-4.


in children. Dis Colon Rectum 2007;50:1099-101.


in children. Surg Endosc 2007;21:1037-9.

20. Hassall E, Lobe TE. Risky business: Oral sodium phosphate for pre-colonoscopy bowel

preparation in children. J Pediatr Gastroenterol Nutr 2007;45:268-9.

21. Hassall E. Treatment interruptus: The need for withdrawal. Am J Gastroenterol

2007;102:2108-9.

22. Hassall E, Owen D. Long-term safety of PPIs in children. We have questions. Dig Dis Sci

2008;53:1158-60.

23. Orenstein SR, Furmaga-Jablonska W, Atkinson S, Hassall E: Reply to letter: ‘To GERD or

not to GERD’. J Pediatr 2009;155:601-2.

32 of 37

24. Orenstein SR, Hassall E. Pantoprazole for symptoms of infant GERD: The Emperor has no

clothes! J Pediatr Gastroenterol Nutr 2010;51:537.

25. Hassall E. Esophageal pH study: Rumors of its death are greatly exaggerated. J Pediatr

2011;159:519.

ABSTRACTS [54]

1. Hassall E, Fonkalsrud EW, Fleisher D, Ament ME: Symptoms in children and adults with

endorectal ileal pullthrough operation. Gastroenterology 1983;84:1183.

2. Hassall E, Barclay G, Ament ME: Colonoscopy in children. Gastroenterology

1983;84:1183.

3. Hassall E, Weinstein W, Ament ME: Childhood Barrett’s esophagus. Pediatr Res

1984;198A.

4. Feldman SG, Alzuss D, Bateman JB, Hassall E, Geffner M, Lippe B, Ament ME:

Ophthalmologic findings in patients with iatrogenic hyperglycemia from home total

parenteral nutrition. Investig Ophthal Vis Sci 1984;25:173.

5. Hassall E, Weinstein WM, Ament ME: Barrett's esophagus in childhood. Gastroenterology

1984;86:1108.

6. Hassall E, Berquist WE, Ament ME: Endoscopic sclerotherapy of esophageal varices in

childhood. Gastrointest Endosc 1985;31:130(21A).

7. Nadel HR, Hassall E, Rimanic AL: A technique for pediatric gastric emptying scintigraphy.

J Nucl Med 1988;29:979.

8. Dimmick JE, Hassall E, Berean K: Pathologic spectrum of gastritis in pediatric patients.

Pediatr Pathol 1989;8:658.

9. Hassall E, Dimmick JE: Unique features of H. pylori disease in children. Gastroenterology

1990; 98:A55.

10. Ferry G, Kirschner B, Byrne W, Daum F, Fiedorak, Griffiths A, Gryboski J, Hassall E,

Heubi J, Issenman R, Perman J, Thomas D, Ulshen M, Vanderhoof J, Watkins J:

Preliminary Results of the Pediatric Gastroenterology Collaborative Research Group

(PGCRG) clinical trial comparing Olsalazine (Dipentum, Pharmacia, Inc.) with

Sulfasalazine in mild to moderate childhood ulcerative colitis (UC). Gastroenterology

1990;98:A169.

11. Gunasekaran TS, Hassall E: Omeprazole for GE reflux in children. Gastroenterology

1992;102:A78.

12. Israel DM, Hassall E: Feeding gastrostomy for children with Crohn’s disease or chronic

granulomatous disease. Gastroenterology 1992;102:A641.

13. Gunasekaran TS, Hassall E: Mechanisms of GE reflux in CNS handicapped children.

Gastroenterology 1992;102:A78

33 of 37

14. Israel DM, Hassall E: Treatment and longterm follow up of H. pylori-associated duodenal

ulcer disease. 1992; NASPGN Proceedings.

15. Phillips RR, Hassall E, et al: Splenic embolization in the treatment of hypersplenism: in

the paediatric population. Clin Radiol 1992;46(6):415.

16. Hiruki T, Dimmick JE, Hassall E: Gastric metaplasia in duodenal biopsies of pediatric

patients with Helicobacter gastritis: a case-controlled study. Mod Pathol 1993;6(1):4P.

17. Israel DM, Hassall E. Antibiotic treatment and endoscopic follow up of H. pylori duodenal

ulcer disease in children. Gastroenterology 1993;104:A109.

18. Hassall E, Hiruki T, Dimmick JE. True Helicobacter pylori-negative duodenal ulcer disease

in children. Gastroenterology 1993;104;A96.

19. Schultz KR, Israel DM, Abella E, Green GJ, Hassall E, Ravindranath Y, Davis JH.

Association of gastro-esophageal reflux with obstructive lung disease (OLD) in children

after allogeneic bone marrow transplantation (BMT). Med Pediatr Oncology 1993;21:561.

20. Gunasekaran TS, Hassall E, Stringer DA. Nifedipine treatment of achalasia in children.

Gastrointest Endosc 1994;40:52.

21. Israel DM, McLain B, Hassall E. Pediatric pancolonoscopy with ileoscopy: success rates

and fellow training. Gastrointest Endosc 1994;40:53.

22. Miller G, Blair GK, Hassall E, Israel D. Laparoscopy for diagnosis of Crohn’s disease.

1994.

23. Mahdi G, Israel DM, Hassall E. Cyclosporine for active Crohn’s colitis in children.

Gastrointest Endosc 1995;41:339.

24. Mahdi G, Israel DM, Hassall E. Pyloric balloon dilatation in children with delayed gastric

emptying. Gastrointest Endosc 1995;41:340.

26. Dohil R, Israel DM, Hassall E. Omeprazole with amoxycillin for H. pylori disease in

children. Gastrointest Endosc 1995;41:335.

26. Israel DM, Hassall E, Dimmick JE. Gastric polyps in children on omeprazole.

Gastroenterology 1995;108:A110.

27. Hassall E, Dimmick JE, Israel DM. Parietal cell hyperplasia in children receiving

omeprazole. Gastroenterology 1995;108:A121.

28. Dohil R, Hassall E, Wadsworth LD, Israel DM. Recombinant human erythropoietin(EPO)

for anemia of chronic disease in children with Crohn’s disease. Gastroenterology

1996;110:A897.

29. Dohil R,Israel DM, Hassall E. Effective two-week therapy for Helicobacter pylori disease in

children. Gastrointest Endosc 1996;43:325.

30. Dohil R, Dimmick J, Hassall E. Prevalence of acid mucin-containing non-goblet cells at the

normal Z-line in children. Gastroenterology 1997;112:A104.

34 of 37

31. Hassall E, Israel DM, Shepherd R, Radke M, Dalväg A, Junghard O, Lundborg P, and the

International Pediatric Omeprazole Study Group. Omeprazole for chronic erosive

esophagitis in children: A multicenter study of dose requirements for healing: An interim

report. Gastroenterology 1997; 112:A143.


International Pediatric Omeprazole Study Group. Omeprazole for chronic erosive

esophagitis in children: A multicenter study of dose requirements for healing: An interim

report. Endoscopy 1997;29:33.13.

33. Colletti RB, Cameron DJS, Hassall E, Faure C, Houwen RHJ, van Brakel MJM, Trainer TD.

Collagenous gastritis: An international puzzle. J Pediatr Gastroenterol Nutr 1998;

26:540.


International Pediatric Omeprazole Study Group. Omeprazole for healing of severe

erosive esophagitis in children: Final report. J Pediatr Gastroenterol Nutr 1998; 26:547.

35. Hassall E. Consensus guidelines for an approach to H. pylori infection in children.

Japanese Consensus Conference on H. pylori infection. Meeting proceedings, Kobe,

Japan. November 1999.

36. Gupta SK, Tolia V, Heyman MB, Kane RE, Chiu Y-L, Wei-Jian P, Huang B, Keith R, Hassall

E. Adolescent patients with gastroesophageal reflux disease [GERD]: Results from a

randomized trial of lansoprazole. Gastroenterology 2000;118:A1242.

37. Andersson T, Hassall E, Lundborg P, and the International Pediatric Omeprazole

Pharmacokinetic Study Group. Pharmacokinetics of orally administered omeprazole in

children. Gastroenterology 2000;118:A13.

38. Hassall E, for the International Pediatric Omeprazole Study Group. Omeprazole for

maintenance therapy of erosive esophagitis in children. Gastroenterology

2000;118:A658.

39. Hassall E. Approach to H. pylori infection and disease in children. Meeting proceedings. Basic mechanisms to clinical cure 2000. Bermuda, March 2000. 40. Haber M, Hassall E, Lu L, Chiu Y, Keith R, Pilmer B, Fitzgerald J. Endoscopic and

histologic findings in adolescents with GERD. J Pediatr Gastroenterol Nutr 2000;31:S98. 41. Gupta SK, Tolia V, Heyman MB, Kane RE, Chiu Y-L, Wei-Jian P, Huang B, Keith R, Hassall

E. Adolescent patients with gastroesophageal reflux disease [GERD]: Results from a randomized trial of lansoprazole. J Pediatr Gastroenterol Nutr 2000;31:S97.


treatment of GERD in children. Am J Gastroenterol 2000;95:2447. 43. Gupta S, Hassall E, Book L, Kane R, Chiu Y, Keith R, Heyman MB. Presenting symptoms

and signs in children with erosive [EE] and nonerosive esophagitis [NEE]. Gastroenterology 2001;120: A422

44. Gaudiello G, D’Armiento F, Borrelli O, Berni Canani R, Fiorentino F, Di Nardo, Cucchiara S,

Hassall E. Inflammation of the cardia ('carditis') in children with symptoms of acid peptic disease. J Pediatr Gastroenterol Nutr 2001;32:356.

35 of 37

45. Colletti RB, Hassall E, Heyman MB, Winter HS. Use of proton pump inhibitors by pediatric gastroenterologists. J Pediatr Gastroenterol 2001;33:414.

46. Haber H, Hassall E, Heyman MH, Johnson C, Huang B, Keith R, Lu L, Winter H.

Correlation of endoscopic [endo] and histologic [histo] findings in children with erosive and nonerosive esophagitis before and after treatment. J Pediatr Gastroenterol 2001;33:419.


treatment of GERD in children. Gut 2001;49 [Suppl]:Abstr 2325. 48. Hassall E, Dohil R, Dimmick JE. H. pylori negative ['idiopathic'] duodenal ulcer disease

[DUD] in children is a different disease from Hp positive DUD. Gastroenterology 2002;122:A548.

49. Gilger M, Dietrich C, Gold B, De Garmo P, Klish W, Saripkin L, Griffiths A, Heyman M,

Rudolph C, Shub M, Hassall E. Does the endoscopic impression of ‘normal’ accurately predict normal histology in the esophagus? J Pediatr Gastroenterol Nutr 2002;35:455.

50. Gilger MA, El-Serag HB, Dietrich CL, Gold BD, Hassall EG. Endoscopic manifestations of

erosive esophagitis in children. Gastrointest Endosc 2004; 51. Hassall E, El-Serag H, Kerr W. Continuous use of proton pump inhibitors [PPI] in children

up to 11yrs duration. Gastroenterology 2005;128:A526. 52. Hassall E, Owen D, Kerr W, Sturby T, Fitzgerald S, El-Serag H. Gastric histology in

children treated with proton pump inhibitors (PPIs) long-term. Gastroenterology 2008;134:A174.

53. Orenstein SR, Hassall E, Furmaga-Jablonska W, Atkinson S, Raanan M. Multicenter,

double-blind, randomized, placebo-controlled trial assessing efficacy & safety of proton pump inhibitor lansoprazole in infants with symptoms of gastroesophageal reflux disease. Presented at Annual meeting of American College of Gastroenterology, Oct 2008.

54. Nelson S, Roberts L, Kothari, S, Orenstein SR, Gold B, Hassall E, Mody R, Kleinman L,

Dabbous O. Validation of the Pediatric Gastroesophageal Reflux Disease Symptom and Quality of Life Questionnaire (PGSQ). Am J Gastroenterol 2008; 103(S1):S536.

BOOK CHAPTERS [48 in total]:

1. Hassall E: 3 chapters: “Enteral Nutrition”. “Parenteral Nutrition”. ”Gastroenterology”.

B.C. Children’s Hospital Pediatric Manual 1985.

2. Hassall E: 5 chapters: “Acute Diarrhea”. “Gastrointestinal Bleeding”. “Liver Failure”.

“Vomiting”. “Upper Gastrointestinal Foreign Bodies”. In Baldwin GA (ed). Handbook of

Pediatric Emergencies 1st edition, 1989. Little, Brown and Co, Boston.

3. Hassall E, Israel DM: “Portal Hypertension”. In: Wyllie R, Hyams JS, eds. Pediatric

gastrointestinal disease: pathophysiology, diagnosis and management. Philadelphia:

WB Saunders, 1993;370-90.

4. Hassall E. 5 chapters: “Acute Diarrhea”. “Gastrointestinal Bleeding.” “Liver Failure”.


Pediatric Emergencies. 2nd edition, 1994. Little, Brown and Co., Boston.

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5. Hassall E. “Proton pump inhibitors in children.” p.485-93. In: The Esophageal Mucosa.

Giuli R, Tytgat GNJ, DeMeester TR, Galmiche J-P, eds. 1994; Elsevier Press. Netherlands.

6. Hassall E. “Differences in endoscopic appearances of Barrett’s mucosa in children and

adults.” p.803-9. The Esophageal Mucosa. Giuli R, Tytgat GNJ, DeMeester TR, Galmiche

J-P, eds. 1994; Elsevier Press. Netherlands.

7. Hassall E. “Prevalence of Barrett’s mucosa in children and young adults. Do these

groups carry particular risk factors?” p. 785-7. The Esophageal Mucosa. Giuli R, Tytgat

GNJ, DeMeester TR, Galmiche J-P, eds. 1994; Elsevier Press. Netherlands.

8. Hassall E. “Does Barrett’s mucosa develop in children not suffering from reflux?” p. 788-

9. The Esophageal Mucosa. Giuli R, Tytgat GNJ, DeMeester TR, Galmiche J-P, eds.

1994; Elsevier Press. Netherlands.

9. Hassall E. Non-surgical treatments for portal hypertension in children. Gastrointest

Endosc Clin N Amer 1994;4:223-58.

10. Joachim G, Hassall E. “Familial inflammatory bowel disease in a paediatric population.

p.95-105. In Smith JP(ed). Advanced Nursing Series: Nursing care of children. 1996;

Blackwell Science, Oxford.

11. Hassall E. “Peptic diseases.” In: Rudolph AM, Hoffman JIE, Rudolph CD, eds. Rudolph’s

Pediatrics. p.1087-1092, 20th Edition, 1996; Appleton & Lange, Connecticut.

12. Hassall E, Israel DM. Gastroenterology Section (6 chapters): “Failure to thrive”; Direct

hyperbilirubinemia in infants”; Vomiting and GE reflux”; “Care of children following liver

transplantation”; “Acute diarrhea”;”Liver failure.” In: Seear M, ed. The Pocket

Pediatrician. 1996; Cambridge University Press, Cambridge, UK.

13. Israel DM, Hassall E. Gastroenterology Section(1 chapter): "GI bleeding”. In: Seear M,

ed. The Pocket Pediatrician. 1996;Cambridge University Press, Cambridge, UK.

14. Hassall E. Nutrition Section (2 chapters): "Enteral nutrition"; "Parenteral nutrition". In:

Seear M, ed. The Pocket Pediatrician. 1996;Cambridge University Press, Cambridge, UK.

15. Hassall E. "Columnar lined esophagus in children". In: Spechler SJ, ed. The Columnar-

lined Esophagus. Gastroenterol Clin North Amer 1997;26:533-48.

16. Dohil R, Hassall E. “Esophageal stenosis in children”. In: Marcon N, ed. Esophageal

Stenosis. Gastrointest Clin North Amer 1998; 8:369-90.

17. Hassall E. "How should endoscopic surveillance of Barrett's esophagus be conducted in

children?" In: Giuli R, Galmiche JP, Jamieson GG, Scarpignato C, eds. The

Esophagogastric Junction. 1998;1055-61. John Libbey Eurotext, Montrouge, France.

18. Hassall E. “Gastritis and peptic ulcer disease”. In: Brandt L, Daum F, eds. Clinical

Practice of Gastroenterology. 1998;1294-1300. Current Medicine: Churchill Livingstone,

Philadelphia.

19. Hassall E. "Esophagitis and Barrett's esophagus". In: Brandt L, Daum F, eds. Clinical

Practice of Gastroenterology. 1998;1258-62. Current Medicine: Churchill Livingstone,

Philadelphia.

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20. Gillett P, Hassall E. Pediatric gastrointestinal mucosal biopsy: The special considerations

in children. In: Weinstein WM, ed. Gastrointestinal Mucosal Biopsy. Gastrointest Clin

North Amer 2000;10:669-712.

21. Hassall E. 'Approach to H. pylori infection and disease in children.' In: Tytgat G, Hunt

RH, eds. Helicobacter pylori: Basic mechanisms to clinical cure 2000; 575-85. Kluwer

Academic Publishers. Dordrecht/Boston/London.

22. Hassall E. 5 chapters: “Acute Diarrhea”. “Gastrointestinal Bleeding.” “Liver Failure”.


Pediatric Emergencies. 3nd edition, 2001. Lippincott Williams & Wilkins. Philadelphia/

Baltimore/ New York.

23. Hassall E. Peptic diseases. In: Rudolph CD, Rudolph AM, Hostetter MK, Lister G, Siegel

NJ, eds. Rudolph's Pediatrics, 21st Edition. 2003. McGraw-Hill. New York.

24. Dohil R, Hassall E. Gastritis and gastropathy: Causes other than H. pylori. In: Walker

WA, Goulet O, Kleinman RE, Sanderson IR, Sherman PM, Shneider BL. Pediatric

Gastrointestinal Disease: Pathophysiology, Diagnosis, Management. 4th Edition. 2004.

BC Decker Inc; Hamilton [ON]:p513-534.

25. Dohil R, Hassall E. Gastritis, Gastropathy and Ulcer disease. In: Wyllie R, Hyams JS, eds.

Pediatric gastrointestinal disease: pathophysiology, diagnosis and management. 3rd

Edition 2006. Elsevier Sciences. Chapter 25:p373-407.

26. Rudolph CD, Hassall E. Gastroesophageal Reflux. In: Walker WA, Kleinman RE, Sherman

PM, Shneider BL, Sanderson IR, eds. Pediatric Gastrointestinal Disease. 5th Edition 2008.

BC Decker Inc.

27. Dohil R, Hassall E. Gastritis, Gastropathy and Ulcer Disease. In: Wyllie R, Hyams JS, eds.

Pediatric gastrointestinal disease: pathophysiology, diagnosis and management. 4rd

Edition 2011. Elsevier Sciences.

28. Dohil R, Hassall E. Peptic Ulcer Disease and Gastritis. In: Rudolph AM, Rudolph CD, First

L, Lister G, Gershon AA, eds. Rudolph's Pediatrics, 22nd Edition 2011. McGraw-Hill. New

York.

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