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Scand J Gastroenterol. 2011 Jul;46(7-8):818-22. doi: 10.3109/00365521.2011.574728. Epub 2011 Apr 15.

Bile acid malabsorption: an under-investigated differential diagnosis in patients presenting with diarrhea predominant irritable bowel syndrome type symptoms.

Author information

1
Gastroenterology & Liver Unit, Royal Hallamshire Hospital, Sheffield, UK. mattkurien@hotmail.com

Abstract

OBJECTIVE:

Bile acid malabsorption (BAM) has been reported as a possible cause of diarrhea predominant irritable bowel syndrome (D-IBS) type symptoms. We aimed to determine how commonly patients with D-IBS type symptoms had a diagnosis of BAM as demonstrated by a positive SeHCAT (75 Selenium-homocholic acid taurine) test (retention <10% at seven days).

MATERIALS AND METHODS:

A retrospective analysis was undertaken of patient's records for all patients who underwent a SeHCAT test between 2001 and 2009 in a tertiary hospital (Group A). Concurrently, a cohort of patients with Rome II D-IBS type symptoms was examined to determine the potential utility of SeHCAT test (Group B).

RESULTS:

In Group A 39.2% (n = 107/273) of patients had a positive SeHCAT result. The median time from first hospital visit to SeHCAT result was 30 weeks. Predictive factors for BAM: terminal ileal Crohn's disease (p < 0.01), terminal ileal resection (p < 0.01), and previous cholecystectomy (p < 0.01). 33.6% of patients who had a positive SeHCAT also had Rome II D-IBS. In Group B the D-IBS control cohort only 1.9% of patients had undergone a SeHCAT scan (p < 0.001 compared to Group A).

CONCLUSION:

BAM is common and should be considered earlier when investigating unselected patients with D-IBS type symptoms.

PMID:
21492055
DOI:
10.3109/00365521.2011.574728
[Indexed for MEDLINE]

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