diarrhoea (in the elderly) - bgs.org.uk · pdf filediarrhoea (in the elderly) dr philip bliss...
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Diarrhoea (In the Elderly)
Dr Philip Bliss
Consultant Gastroenterologist
University Hospital Aintree
Philip
Bliss -
BGS B
ladde
rs an
d Bow
el Hea
lth 20
12
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Diarrhoea
• Too frequent passage of too fluid stool
• Passage of a stool which takes the shape of the receptacle into which it is passed
Philip
Bliss -
BGS B
ladde
rs an
d Bow
el Hea
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Diarrhoea – a subjective condition
• Normal stool weight in western diet 200-300g/day
• 95% of population BO x3 per day – x3 per week • Rectal compliance • Faecal incontinence
Philip
Bliss -
BGS B
ladde
rs an
d Bow
el Hea
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Three times a week
Three times a day
No of people
How often do you move your bowels?
95%
Philip
Bliss -
BGS B
ladde
rs an
d Bow
el Hea
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12
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Philip
Bliss -
BGS B
ladde
rs an
d Bow
el Hea
lth 20
12
![Page 6: Diarrhoea (In the Elderly) - bgs.org.uk · PDF fileDiarrhoea (In the Elderly) Dr Philip Bliss Consultant Gastroenterologist . University Hospital Aintree . Philip Bliss - BGS Bladders](https://reader037.vdocument.in/reader037/viewer/2022102920/5a7a0a057f8b9adf778c36e4/html5/thumbnails/6.jpg)
Causes
• Malignancy • Inflammatory Bowel disease • Diverticular disease • Ischaemic colitis • Post surgical diarrhoea • Infectious diarrhoea • Coeliac disease • Overflow diarrhoea • Medication • Pelvic floor problems
Philip
Bliss -
BGS B
ladde
rs an
d Bow
el Hea
lth 20
12
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Philip
Bliss -
BGS B
ladde
rs an
d Bow
el Hea
lth 20
12
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Colorectal cancer
• One in twenty people develop bowel cancer
• 80% of all diagnoses in over 60s
• 3rd commonest cancer, second commonest
cancer death
• 90% five year survival in early stage, Dukes A,
disease
Philip
Bliss -
BGS B
ladde
rs an
d Bow
el Hea
lth 20
12
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Symptoms
• Change in bowel habit to looser stool
• Rectal bleeding
• Anaemia
• Palpable mass
• Constipation
• Wt loss
Philip
Bliss -
BGS B
ladde
rs an
d Bow
el Hea
lth 20
12
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Philip
Bliss -
BGS B
ladde
rs an
d Bow
el Hea
lth 20
12
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Bowel Cancer Screening Programme
• 60-75 yrs
• FOBT test every two years
• 2% positive go on to Colonoscopy
• 50% adenoma rate
• 10% cancer rate – falling with each round of screening
• 12 million test kits sent out
• 11,000 Cancers detected – Majority Dukes A
• On target to reduce cancer deaths by 16%
Philip
Bliss -
BGS B
ladde
rs an
d Bow
el Hea
lth 20
12
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Philip
Bliss -
BGS B
ladde
rs an
d Bow
el Hea
lth 20
12
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Inflammatory Bowel Disease
• Ulcerative colitis
• Crohns disease
• Incidence decreases with age
– 5-10% of patients diagnosed over 60
– Oldest new diagnosis in 91 yr old man
• Patients diagnosed in younger life do grow old
• Treatment no different in elderly
• Risks of surgery can be increased
Philip
Bliss -
BGS B
ladde
rs an
d Bow
el Hea
lth 20
12
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What's new in IBD?
• Higher doses of 5 ASA drugs – 4.8g Mesalazine, once daily dosage
• Nutritional therapy for Crohns disease – Polymeric better tolerated than elemental
• Avoidance of steroids in Crohns disease • Lower threshold for thiopurines
– TPMT assay, metabolite monitoring
• Biological therapies – Infliximab, Humira – Step up vs step down approach
Phil
ip Blis
s - B
GS Blad
ders
and B
owel
Health
2012
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Philip
Bliss -
BGS B
ladde
rs an
d Bow
el Hea
lth 20
12
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Diverticular disease
• Diverticulosis vs Diverticulitis
• Erratic bowel habit, pain rather than diarrhoea
• Fistulae – Colovesical
– Colovaginal
• CT probably better than Colonoscopy to diagnose
• Diverticular associated colitis – can be confused with Crohns
Philip
Bliss -
BGS B
ladde
rs an
d Bow
el Hea
lth 20
12
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Pros Cons Uses
Colonoscopy Mucosal detail
Biopsy polypectomy
Bowel prep, mobile patient,
10% incomplete Perforation, bleeding
Gold standard in fit patient with
diarrhoea/change in bowel habit
CT Colonoscopy
Non – invasive Virtual Colonoscopy Small polyps 5mm
Axial imaging as bonus
Bowel prep, need to lie flat, no biopsy, no therapy
Incomplete colonoscopy Previous difficult or
complicated Colonoscopy
Standard CT Abdo Pelvis
Non – invasive Oral contrast
Large colonic lesions Axial imaging as bonus
Bowel prep, need to lie flat, no biopsy, no therapy
May miss lesions up to 1cm
Iron deficiency anaemia in frail patient
Complicated diverticular disease
Barium Enema Mucosal detail,
Small polyps
Bowel prep Retain air/barium No biopsy/therapy Only image colon
Rarely used Water soluble contrast
enemas for psuedo-obstruction
Philip
Bliss -
BGS B
ladde
rs an
d Bow
el Hea
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Treatment
• Supportive
• Antibiotics for diverticulitis
• 5-ASA for diverticular associated colitis
• Surgery – Avoided if possible
– Symptomatic stricture
– Fistula
– Recurrent paracolic abscess
– ?? Frequent admissions
Philip
Bliss -
BGS B
ladde
rs an
d Bow
el Hea
lth 20
12
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Ischaemic colitis
Philip
Bliss -
BGS B
ladde
rs an
d Bow
el Hea
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Ischaemic colitis
• Increasing incidence with age • Arteriopath • Splenic flexure • Self limiting diarrhoea • Quite florid endoscopic appearances contrast
with unimpressive histological features • Conservative management
• Contrast with chronic mesenteric ischaemia
– Abdo pain after food, food avoidance, weight loss
Philip
Bliss -
BGS B
ladde
rs an
d Bow
el Hea
lth 20
12
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Philip
Bliss -
BGS B
ladde
rs an
d Bow
el Hea
lth 20
12
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Post surgery
• Upper GI surgery
– Peptic ulcer disease surgery – “dumping syndrome”
– Cholecystectomy
• Pancreatic
• Colorectal
– R hemicolectomy
– Mesenteric ischaemia “short bowel” syndrome
Philip
Bliss -
BGS B
ladde
rs an
d Bow
el Hea
lth 20
12
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Post cholecystectomy diarrhoea
• 10-20% incidence – recall bias
• May have been IBS all along
• Bile acid irritant to colon
• Questran
– Unpalatable, titration difficult
• Loperamide
– Cheap, Effective, portable
Philip
Bliss -
BGS B
ladde
rs an
d Bow
el Hea
lth 20
12
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Pancreatic insufficiency
• More likely linked to Chronic pancreatitis than surgery
• Faecal elastase, 24 hour feacal fat collection, light scattering intensity
• Empirical trial of pancreatic enzyme supplements
• Creon
• Nutrizyme – can go down PEG tube easier
• Don’t forget snacks
• Use stools as guide
Philip
Bliss -
BGS B
ladde
rs an
d Bow
el Hea
lth 20
12
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Short bowel syndrome
• Fluid restrict – 1.5L day – 750mls double strength dioralyte, 750mls “free” fluid
• Anti-diarrhoeals – Loperamide up to 16mg qds – Codeine phosphate no more than 60mg qds
• High dose PPI – Omeprazole 40mg bd
• Octreotide – Limited use
Philip
Bliss -
BGS B
ladde
rs an
d Bow
el Hea
lth 20
12
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Philip
Bliss -
BGS B
ladde
rs an
d Bow
el Hea
lth 20
12
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Infectious diarrhoea
• Increased in elderly
• Residential care
• Cruise ships
• Impaired immunity
• Polypharmacy – Antibiotics, PPIs
• Consequences more severe – Reluctance to give iv fluids to elderly patients
Phil
ip Blis
s - B
GS Blad
ders
and B
owel
Health
2012
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Commonest Types of infection
• Viruses – 40% all diarrhoea is viral – Norovirus
• Campylobacter jejuni – commonest bacterial GE
– Painful diarrhoea
– Peaks in early summer
• CDT – Antibiotic avoidance
– Cohort ward
– Immunoglobulin therapy
Philip
Bliss -
BGS B
ladde
rs an
d Bow
el Hea
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12
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Philip
Bliss -
BGS B
ladde
rs an
d Bow
el Hea
lth 20
12
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“You’re never too old to get Coeliac disease”
• Coeliac disease affects 1% of population
• One third of patients diagnosed over 65 years
• Older age at diagnosis often associated with increased complication rate
• Easy to diagnose – Anti Tissue Transglutaminase antibody
– IgA deficiency
– Duodenal biopsy
• Easy to treat Phil
ip Blis
s - B
GS Blad
ders
and B
owel
Health
2012
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Philip
Bliss -
BGS B
ladde
rs an
d Bow
el Hea
lth 20
12
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Overflow diarrhoea
• More common in elderly age group
• Spurious diarrhoea
• Initial attempts to treat make things worse
• Easy to diagnose
• Once diagnosed, treatment more likely to succeed – Laxatives,
– Enemas, Arachis oil, phosphate
• Controlled use of laxatives to prevent build up
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Bliss -
BGS B
ladde
rs an
d Bow
el Hea
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Philip
Bliss -
BGS B
ladde
rs an
d Bow
el Hea
lth 20
12
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Medication
• Antibiotics
• Iron
• Proton Pump inhibitors
• Antidiarrhoeals
• Laxatives
• Beta blockers
• Nicorandil
• Artificial sweeteners
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Bliss -
BGS B
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d Bow
el Hea
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Philip
Bliss -
BGS B
ladde
rs an
d Bow
el Hea
lth 20
12
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Pelvic floor problems
• Faecal incontinence increases with age – 2% general population
– 10% Elderly
– 50% nursing home residents
• Devastating consequences – Shame, embarrasment, social isolation, early
instutionalisation
– Nutritional consequences
– Skin complications
– Financial $16.3 billion per year
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Bliss -
BGS B
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el Hea
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Causes of feacal incontinence
• Disruption to anal sphincter – Obstetric trauma, perianal surgery
• Puborectalis dysfunction – Prolapse, perineal descent
• Nerve damage – Diabetes, stroke, MS, spinal/head injury
• Poor mobility – Arthritis, stroke
• Impaired cognition – Dementia,
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Bliss -
BGS B
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Various treatment options
• Medical – Loperamide/codeine – Treat underlying IBD/Coeliac etc – Address overflow/impaction
• Surgical – Sacral nerve stimulators – Sphincter repair – Artificial sphincter
• Behavioural – Biofeedback – appliances
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Bliss -
BGS B
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Summary
• Causes of diarrhoea in elderly broadly similar to general population
• Systematic approach to diagnosis usually effective
• Pragmatic approach to investigation
• Always ask about Faecal incontinence
• Symptomatic treatment often appropriate and nearly always successful
Philip
Bliss -
BGS B
ladde
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d Bow
el Hea
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