Background:The pathogenesis of functional GI disorders (FGIDs) is uncertain. However, underlying immune activation and psychological distress has been documented in irritable bowel syndrome (IBS) and functional dyspepsia (FD). Epidemiological data from the UK suggest that FGIDs are linked to atopy and certain autoimmune diseases but this has not been confirmed.Aim: To test if allergic or autoimmune diseases are independently associated with FGIDs, irrespective of psychological distress in a large population based study. Methods:A total of 3542 people (mean age 57.9 years and 52.7% females) randomly selected from the Australian population, returned a mail survey (response rate = 43%). The survey asked about a physician diagnosis of autoimmune disease (scleroderma, psoriasis, rheumatoid arthritis and diabetes mellitus) or allergic conditions (asthma, food, pollen and/or animal allergy). The questionnaire assessed psychological distress and Rome III criteria for FD and IBS.Results: Asthma, food, pollen and animal allergies, psoriasis and rheumatoid arthritis were univariately significantly associated with IBS and FD. Food allergy (OR = 1.66; 95% CI = 1.15-2.40, P = 0.007), psoriasis (OR = 1.81; 95% CI = 1.19-2.74, P = 0.006) and rheumatoid arthritis (OR = 1.68; 95% CI = 1.15-2.4, P = 0.007) were independent risk factors for IBS, controlling for age, gender and psychological distress. In FD, asthma (OR = 1.32; 95% CI = 1.04-1.68, P = 0.025) and food allergy (OR = 1.78; 95% CI = 1.28-2.49, P = 0.001) were independent predictors, controlling for age, sex and psychological distress. Conclusions:There is evidence that both atopic and autoimmune diseases are risk factors for FGIDs, independent of psychological distress, differing in IBS and FD.This provides evidence that different peripheral pathways may be involved in the pathogenesis of certain FGIDs.

The optimal treatment for FD is yet to be determined. A proton pump inhibitor or a prokinetic agent constitutes primary treatment. Helicobacter pylori testing and eradication is recommended. Based on currently available data, acotiamide appears promising, particularly in postprandial distress syndrome. Further large-scale multicentered trials are required to define the duration of treatment and the side-effect profile.

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We describe the case of a 15 year old boy who presented with generalised abdominal pain following a seemingly minor collision at weekend soccer. Investigation revealed a grade IV pancreatic injury that was subsequently managed with pancreatic stent insertion by endoscopic retrograde cholangiopancreatography (ERCP) and total parenteral nutrition (TPN) prior to recommencing low fat diet 10 days post-injury.

Eosinophilic oesophagitis (EoE) is now a well‐recognised cause of dysphagia and food bolus obstruction (FBO). The diagnosis requires histologic confirmation, and the yield is greatest when at least 4 to 6 oesophageal biopsies are taken from different sites. Previous case reports of FBO have demonstrated a low biopsy rate, and as such cases of EoE may have been missed. In this review, the medical records of 123 patients aged 18 years or older, who had presented with FBO over a 2 year period, were reviewed. EoE was the most common diagnosis, and was found in 81.3% of patients with FBO aged 40 years or less. 45.5% of patients with FBO were biopsied, and of those, 33.9% were confirmed to have had at least 4 biopsies. EoE is a common cause of FBO and requires appropriate oesophageal sampling to confirm the diagnosis. Cases of EoE may otherwise be missed.