Geprikkeld door de darmen
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Transcript of Geprikkeld door de darmen
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Geprikkeld door mijn darmen
J. Schmidt
MDL arts
Westfries Gasthuis
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Casus
• Mw M. B. 26 jr; sinds 12e bij vlagen zeurende/krampende pijn onderbuik, niet gerelateerd aan menstruatie,
• Geen bewegingsdrang• Opgezette buik, veel windjes; geen duidelijk
verbd met levensmiddelen• Def: f 2a3x/wk, cons. 2a3 op Bristol schaal• Lozen van ontlasting geeft wat verlichting
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Background
•
Irritable bowel syndrome (IBS) has a prevalence of 10-20% in the general population
• It is a chronic, relapsing and often life-long disorder
• The people most commonly affected are those aged 20–30 years
• It is twice as common in women as in men
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IBS: How to relate COMORBIDITY
• Headache >25%• Back Pain >30%• Fatigue >40%• Myalgia >30%• Urinary Freq >20%• Dyspareunia >10%
• Fibromyalgia >30%• Chronic pelvic
pain >35%• GER >50%• Functional
dyspepsia >30%
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• Consider assessment for IBS if any of these symptoms have been present for at least 6 months
Initial assessment
• Abdominal pain or discomfort• Bloating• Change in bowel habit
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• Refer to secondary care if any of these indicators present
Initial assessment: ‘red flag’ indicators
Ask • Unintentional and unexplained weight loss• Rectal bleeding • A family history of bowel or ovarian cancer• Bowel habit change for > 6 weeks in person over 60 years
Assess/examine • Anaemia• Abdominal masses• Rectal masses• Inflammatory markers for inflammatory bowel disease
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• Consider IBS diagnosis only if the person has abdominal pain that is relieved by defaecation or associated with altered bowel frequency or stool form, and at least two symptoms from:
Initial assessment:establishing the diagnosis
• altered stool passage• abdominal bloating, distension, tension or hardness• symptoms made worse by eating• passage of mucus
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Bristol Stool Form Scale
Reproduced by kind permission of Dr K W Heaton, Reader in Medicine at the University of Bristol. 2000 Norgine Ltd.
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• In people who meet the IBS diagnostic criteria, the following tests should be undertaken to exclude other diagnoses:
Diagnostic tests
• full blood count (FBC)• erythrocyte sedimentation rate (ESR) or plasma viscosity • c-reactive protein (CRP)• antibody testing for coeliac disease (endomysial antibodies [EMA] or tissue transglutaminase [TTG])
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Diagnostic tests
The following tests are not necessary to confirm a diagnosis where IBS diagnostic criteria are met:
• ultrasound• rigid/flexible sigmoidoscopy• colonoscopy; barium enema/ct colonography• thyroid function test• faecal ova and parasite test• faecal occult blood test• hydrogen breath test (for lactose intolerance and bacterial overgrowth).
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• People with IBS should be given information that explains the importance of self-help in effectively managing their IBS
Clinical management of IBS:dietary and lifestyle advice
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• Healthcare professionals should review the fibre intake of people with IBS, adjusting (usually reducing) it while monitoring the effect on symptoms
• If symptoms persist after following lifestyle/dietary advice, consider referral to a dietitian
Clinical management of IBS:dietary and lifestyle advice
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Diet• Dietary manipulation may help.• Food intolerance is common - food allergy is
rare.• Relaxation therapies may be useful adjunct
[e.g. hypnosis]
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Diarrhoea Predominant.
• Increasing dietary fibre is sensible advice • Fibre varies, 55% of patients will get worse
with bran [tarwe zemelen].• “Medical fibre” adds to placebo effect.• Loperamide may help.
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Constipation Predominant.
• Increased fibre.• Osmotic laxatives helpful [PEG]• Stimulant laxatives make symptoms
worse [bisacodyl]• Lactulose may aggravate distension and
flatulence.
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Pain Predominant.
• Antispasmodics will help 66%.• Mebeverine is probably first choice.• Bloating may be helped by peppermint
oil.• Nausea may require metoclopramide.
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• Advise people with IBS how to adjust their doses of laxative or antimotility agent
• Healthcare professionals should consider low-dose tricyclic antidepressants (TCAs) as second-line treatment, recommended only for their analgesic effect
Clinical management of IBS:pharmacological therapy