Coeliac and IBS Flashcards
what is coeliacs disease?
Coeliac disease is a systemic autoimmune disease triggered by dietary gluten peptides found in wheat, rye, barley, and related grains
what histocompatibility complexes are implicated in CD?
HLA DQ2 in 95% and HLA DQ8 in other 5%
What are the S&S of CD?
stinking stools/steatorrhoea diarrhoea abdominal pain bloating nausea + vomiting weight loss fatigue dermatitis herpetiformis
what the investigations for CD?
FBC
- microcytic anaemia
IgA tTG elevations
Endomysial antibody (EMA) elevated
Small bowel endoscopy and biopsy
- atrophy and scalloping of mucosal folds; nodularity and mosaic pattern of mucosa
- subtotal villous atrophy, ↑intra-epithelial wbcs + crypt hyperplasia
Define IBS
Irritable bowel syndrome (IBS) is a chronic condition characterised by abdominal pain associated with bowel dysfunction. The pain is often relieved by defecation and is sometimes accompanied by abdominal bloating.
When should a diagnosis of IBS be considered?
Only diagnose ibs if abdominal pain (or discomfort) is either relieved by defecation or associated with altered stool form or bowel frequency (constipation and diarrhoea may alternate) and there are ≥2 of:
urgency incomplete evacuation abdominal bloating/distension mucous pr worsening of symptoms after food.
Other symptoms: nausea, bladder symptoms, backache. Symptoms are chronic (>6 months), and exacerbated by stress, menstruation, or gastroenteritis (post-infection ibs