cp913721- 0 the evolving role of surgery in ibd john pemberton advances in ibd, december, 2012 the...
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CP913721- 1
The Evolving Role of Surgery in IBD
John Pemberton
Advances in IBD, December, 2012
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CP913721- 2
The Evolving Role of Surgery
• Safety and effectiveness of strictureplasty
• Approach to patients with complex perineal CD
• When is enough medical management of patients with CUC enough?
• Just how well is IPAA performing?
• Controversies concerning IPAA
• How do biologics impact surgery for IBD?
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CP913721- 3
The Evolving Role of Surgery
• How safe is IPAA in IC patients? In CD patients?
• When is colectomy indicated for patients with dysplasia?
• Can you do IPAA in IBD patients with CRC?
• What is the risk of CRC after IPAA
• Are enhanced recovery programs helpful?
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CP913721- 4
The Evolving Role of Surgery
Is there a potential downside to attempts to control CD or CUC medically over longer and longer periods of time?
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CP913721- 5
Strictureplasty
CP1111844-8
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Crohn DiseaseRationale for Strictureplasty
CP1111844-12
• Disease involves whole intestine
• Impossible to cure by excision
• All diseased bowel does not need excision
• If only stenotic complications are present, these can be relieved without excision
• Disease involves whole intestine
• Impossible to cure by excision
• All diseased bowel does not need excision
• If only stenotic complications are present, these can be relieved without excision
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CP913721- 7
Evolution
toward more complex strictureplasties
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CP913721- 8
The Evolving Role of SurgeryMichelassi LONG side to side strictureplasty
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CP913721- 92
The Evolving Role of SurgeryStrictureplasty
Campbell, L; Ambe, R; Weaver, J; et al DCR 2012 55(6):714-726
.
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The Evolving Role of SurgeryStrictureplasty Complications
Bellolio, F; Cohen, Z; MacRae, H; et al DCR 55(8):864-869, August 2012.
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The Evolving Role of SurgeryStrictureplasty
Surgery-free survival
Strictureplasty in Selected Crohn's Disease Patients Bellolio F, Cohen Z, MacRae, H, et al DCR 2012 55:864-869
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CP913721- 12CP1043353-62
AN APPROACH TO PATIENTS WITH PERINEAL FISTULAS AND CD
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CP913721- 13
Evolution
toward upfront aggressive COMBINED medical AND surgical therapy
for perineal Crohn’s Diease
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CP913721- 14
Surgery for Crohn DiseaseCombination Therapy*
Initial Response (%)
Recurrence(%)
Time to Recurrence
(Months)
Infliximab 82 79 3.6
EUA + Seton + Infliximab
100 44 13
*Regueiro M & Mardine H. Inflammatory Bowel Diseases, March 2003, 9(2):98-103
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Response Based on Type of Fistula
CP1112779-4
Regueiro M et al: Inflam Bowel Dis 9(2):98, 2003Regueiro M et al: Inflam Bowel Dis 9(2):98, 2003
EUA and Infliximab EUA and Infliximabinfliximab alone infliximab alone
n=3 n=9 P n=6 n=14 P
Initial response 3 9 1.000 6 10 0.026100% 100% 100% 71.5%
Recurrence rate 1 5 0.232 3 10 0.03633.3% 56% 50% 100%
Mean time to 15 5.2 0.004 13 2.14 0.001recurrence (mo)
EUA and Infliximab EUA and Infliximabinfliximab alone infliximab alone
n=3 n=9 P n=6 n=14 P
Initial response 3 9 1.000 6 10 0.026100% 100% 100% 71.5%
Recurrence rate 1 5 0.232 3 10 0.03633.3% 56% 50% 100%
Mean time to 15 5.2 0.004 13 2.14 0.001recurrence (mo)
Simple fistulaSimple fistula Complex fistulaComplex fistula
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Surgery for Crohn DiseaseInfliximab & Perineal Fistula
“For perianal fistulizing CD, repeat doses of Infliximab improves clinical and radiological outcomes, although complete radiologic healing occurs in a minority of patients”*
*Rasul I et al. Am J Gastro 2004;99:82-88
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Surgery for Perineal Crohn DiseaseSummary
• Perianal fistulous disease is rarely cured
• Rather, fistulas are controlled by a combined approach including surgery (seton), immunosuppressives antibiotics and infliximab
• Setons are used to keep the tracts open, eliminating accumulation of pus and fostering tract quiescence
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Surgery for Perineal Crohn DiseaseSummary
• When the tracts are dry, the setons are removed
• The perineum is reexamined regularly
• Only if fecal incontinence intervenes is proctectomy discussed
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Risk factors for Proctectomy5 yr.
• Extensive fistula/abscess vs simple26% vs. 6%
• Severe Proctitis vs none or mild37% vs. 10%
• Severe proctitis and extensive fistula/abscess46% proctectomy rate
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CP913721- 20
Fecal Diversion
Patients undergoing diversion for perineal CD have <20% chance of successful restoration of intestinal continuity which is NOT improved with biologic therapy
Hong MK et al Colorectal Dis 2011 13 (2); 171-6
However….. Fecal diversion is useful to quiet the
perineum prior to repairing an R-V fistula and to promote healing
postoperatively
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CP913721- 21
Chronic Ulcerative Colitis
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Evolution
Toward reasonable time frames for managing aggressive disease
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CP913721- 23
Surgery for CUC…. when is enough, enough?
• For outpatients, it seems reasonable to treat with 5 ASA preparations, topical steroids, oral steroids, AZA and biologics until unable to steroid spare effectively
• For inpatients, reasonably aggressive treatment includes; IV steroids & IFX for 5 days [bleeding, >10 stools indicates fulminant disease]
• For deteriorating inpatients, GI & Surgeon need to decide together when enough is enough
• High grade dysplasia signifies enough is enough
• Low grade dysplasia probably signifies the same
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CP913721- 24
IPAA
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Ileal Pouch-Anal AnastomosisEvolutionStraight IPAA
S pouch
J pouch
Long cuff
Short cuffDouble-stapled
Laparoscopic IPAA (LAP,
HALS,SILS) CP998061-4
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Evolution
of the IPAA data set
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IPAAMayo Experience
1/8/1981 – 12/31/2011
Total : 3405
CUC : 3048
FAP : 304
“other”: 53
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Hahnloser D, Pemberton JH, Wolff BG et al Ann Surg. 2004 Oct;240(4):615-21
• 1981-2001 1,885 IPAA for CUC
• complete annual follow-up for 15 years
n=409• annual questionnaire (prospective database)– function and continence– QoL– complications (excluding pouch failure)
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CP913721- 29
IPAA
5 10 20
50
100
Cumulative Probability of Pouch Success
92% at 21 yr
Pouch Success
Years after IPAA
Hahnloser D, Pemberton JH, Wolff,BG et al BJS 2007;94:333-340
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Function (n=409)
years follow-up
1 5 1015
Age (years) 3338 43 49
Stool frequency
Mean Stools/day 5.55.6 5.6 6.2 p<.001
Mean Stools/night 1.11.3 1.5 2.0 p<.001
Hahnloser D, Pemberton JH, Wolff BG Ann Surg 2004;240: 615–623
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CP913721- 31
Complications
Pouchitis 100
80
60
40
20
0
0 5 10 15Years after IPAA
cum
ula
tive
pro
bab
ility
(%
)
Pouchitis
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CP913721- 32
Quality of Life
SocialActivities
0%
20%
40%
60%
80%
100%
improved not affected mildly restricted severly resticted
5 10 15 5 10 15 5 10 15 5 10 15 5 10 15 5 10
15 5 10 15
Years after IPAA
ns
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CP913721- 33
Quality of Life
Social Work at Activities Home
0%
20%
40%
60%
80%
100%
improved not affected mildly restricted severly resticted
5 10 15 5 10 15 5 10 15 5 10 15 5 10 15 5 10
15 5 10 15
Years after IPAA
ns ns
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CP913721- 34
Quality of Life
Social Work at FamilyActivities Home Relationship
0%
20%
40%
60%
80%
100%
improved not affected mildly restricted severly resticted
5 10 15 5 10 15 5 10 15 5 10 15 5 10 15 5 10
15 5 10 15
Years after IPAA
ns ns ns
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Quality of Life
Social Work at Family Travel Sports Recreation Sexual
Activities Home Relationship Life
0%
20%
40%
60%
80%
100%
improved affected mildly restricted severly resticted
ns ns ns ns ns ns ns
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Summary
with ageing…
• good functional outcome
• good and stable QoL
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Conclusion
IPAA is a durable operation
with a good QoL and stable
predictable outcomes over
time
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Minimally Invasive Surgery and IPAA
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Evolution
toward Minimally Invasive Surgery (MIS) for IBD
(Laparoscopy/Hand Assisted Laparoscopy (HALS)
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HALS IPAAWt.= 227, BMI= 35.2
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IPAA (2007)
• Total performed 114
• Open 29
• Minimally Invasive 85 (75%)
• LAP/HALS 37/48(57%)
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Surgical Evolution
Age - 32pts >65 y/o matched to 32pts<65y/o Outcomes: older pts. had more readmission for
volume depletion but functional results were the same over time
(Pinto RA etal Colorectal Dis
2011;13;177-83)
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Surgical Evolution
Fertility - Weighted average infertility rate during medical treatment = 15%
after IPAA = 48% (Waljee A et al. Gut 2006;55:1575-1580)
- Fecundity (probability of conception) is decreased after IPAA
(Olsen KO et al br J Surg 1999;86:493-495)
- Ability to carry a pregnancy to term is not affected.
(Hahnloser et al Dis Colon Rectum. 2004 Jul;47(7):1127-35)
- Subtotal colectomy and BI or IRA is offered to young women who wish to become pregnant
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CP913721- 45
Surgical Evolution
• Fewer pelvic/adnexal adhesions form after laparoscopic pelvic dissection*
and• Patients undergoing lap IPAA have a
higher fertility rate than open patients**
Laparoscopic IPAA may be the POC
*Indar AA, Efron JE, Young-Fadok TM Surg. Endosc 2009: 23:174-177
**Bartels S et al Ann Surg. 2012 May 17. [Epub ahead of print]
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Biologics and Surgery for IBD
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The widespread use of biologics has prompted a change in the surgical management of patients with CUC
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Surgical Challenges in IBDIFX and Surgical Complications
CD only
Author Complication Odds Ratio Marchal* Early Major 1.7 (.3-7.7)
Belgium Late Major 1.4(.4-5.0)
Colombel** Septic .9 (.4-1.9)Mayo Non septic 1.0 (.5-2.0)
Nasir*** All Complic 30.3 (TNF) v 27.9% Mayo Abscess/leak 1.99 (TNF) v 3.4%
Appau**** 30 d readmit 2.3 (1-5.3)CCF 30 d sepsis 2.6 (1.1-6.1)
30 d abscess 5.8 (1.7-19.7)
* Aliment Pharmacol Ther 2004;19:749-54** AM J Gastroenterol 2004;99:878-83***J Gastrointes Surg 2010 14:1859-1866****J Gastrointes Surg 2008;12:1738-44
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Surgical Challenges in IBDIFX and Surgical Complications
CUC only
Author Complication Odds Ratio
Selvasekar Pouch specific 2.6 (09-7.5)Mayo Infectious 2.7 (1.1-6.7)Schluender Surgery 1.9 (.6-5.9)Cedars Infectious 2.4 (.6-9.6)Mor Sepsis 13.8 (1.8-105) CCF
Ferrante Pouch specific .9 (.8-.9)Belgium Infectious .3 (.07-1.4)
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Pharmacokinetics of the Biologics
• Half livesInfliximab (IFX) = 10-12 daysAdalimumab = 14 daysCertolizumab = 14 daysNatalizumab = 11 days
• For all , drug is still detectable at 8 weeks with complete clearance by 12 weeks
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Surgery and Biologics Evolution
Because CUC patients are at higher risk for post-operative infectious complications when treated with a biologic, in order to maximize the chances of success of the operation
Consider more liberal use of subtotal colectomy prior to IPAA (3 staged IPAA)
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IPAA for Crohn’s Disease
Evolving
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IPAA for CD
• Among 20 CD patients in whom IPAA was intentionally performed:*
Pouch in place-85% Fistula-19 %Pouch/vag. Fistula-13%Stricture -17%Sepsis – 12%Urgency-30%Incontin.- 28%No. stools – 7
Mean F/U = 5yr
Melton GB Fazio VW, Kiran RP et al. Ann Surgery.2008;248:608-616
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IPAA for CDComment
• Patients with an IPAA constructed for CD may have better long-term outcomes than patients with supervening CD of the pouch
• The number of CD patients who are candidates for primary IPAA is tiny
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In patients in whom CD develops AFTER IPAA
Aggressive combined medical/surgical management
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Management of Crohn’s of the Pouch with Infliximab
• Patients treated with Infliximab for CD-related complications after IPAA – ileitis, fistulas
Follow-up No. Partial Complete No Resp.
Short-term 26 23% 62% 15% Long-term* 24 29 29% 42%
*21 months
Colombel, Sandborn, Dozois et al. Am J Gastro. 2003;98:2239
67% with functioning pouch
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Management of dysplasia in patients with CUC
Surgery
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Management Scheme for Patients With CUC Undergoing Surveillance
No dysplasia Continue surveillance
Indefinite dysplasia Continue surveillance
LGD (flat or sessile polyp) Colectomy
HGD Colectomy
CRC Colectomy
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CRC in IBD
• Between 1-9% of patients presenting for IPAA will have CRC
• Surgery is based on established oncologic principles
• Colon cancer IPAA
• Rectal Cancer (mid-high Stage I and II) IPAA
• Otherwise, TPC +BI
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Dysplasia and Cancer after IPAA
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Dysplasia and Cancer after IPAA
• Dysplasia in the ATZ : 7/210 (3%)*Associated with dysplasia or ACA in the colon or
rectum at IPAA
• Dysplasia in the pouch : 0/37**(bx’d yearly x 7)
• Total number of patients with cancer in the pouch or anal canal reported as of May 2011= 36 Incidence = 0.0015%*** (3/2198)
*O’Riordan MG, et al: DCR, 2000;43:1660-1665
**Ettorre GM. DCR, 2000; 43:1743-1748 (Rome)
***O’Riordan JM. Int J Colorectal Dis 2011 (Toronto) on-line publication ahead of print
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ATZ and Pouch Surveillance
Patients considered for post op surveillance :
Pre op ACA or Dysplasia
Ongoing severe pouchitis
Pouches in place 15 yrs and longer
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Enhanced Recovery Protocol(ERP)
LOS = 2-5 days after IPAA
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Surgical Evolution in IBD I
• Strictureplasty safe and efficacious• Surgical drainage and IFX is TOC for
perineal CD• Role for fecal diversion=?• If steroid sparing not achieved-colectomy• IPAA is maturing• Fertility issues prompt consideration of
family first/BI/IRA
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Surgical Challenges in IBD II
• Biologics affect recovery from IPAA adversely prompting consideration of 3 rather 2 staged IPAA
• Biologics not cleared for ~12 weeks• IPAA not OK for CD• HGD AND LGD prompt colectomy• IPAA not contraindicated for all IBD pts.
with CRC• Incidence of CRC after IPAA= 0.0015%• Enhanced recovery protocols are effective
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Ongoing Surgical Challenges in IBD
• Quantifying patient centered/reported outcomes between medical and surgical treatment for IBD.
• Identify the optimal time for surgical intervention in CUC
• Identify high risk patients requiring alternate surgical planing to avoid complications
• Determine best follow-up regimen after IPAA
• Determine those most at risk for pouchitis preop and develop better management regimens.
• Identify the pertinent issues concerning fecundity in patients requiring IPAA
• Increasing utility of MIS in IBD (NOTES, SILS)
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Thank-you