BAD

Bile acid disease: the emerging epidemic 

Oduyebo I & Camilleri M. Curr Opin Gastroenterol 2017;33:189–195.

Short summary

Type 2 (primary) bile acid diarrhoea (BAD) is associated with increased bile acid production and occurs in nearly 30% of patients with diarrhoea-predominant irritable bowel syndrome (IBS-D). Primary BAD is associated with disorders of serum fibroblast growth factor 19 (FGF-19) which results in excess bile acid synthesis by hepatocytes. This leads to higher concentrations of bile acids in the colon and increased faecal bile acid loss.

The tauroselcholic (75selenium) acid (SeHCAT) test is the most commonly used test for the diagnosis of BAD. A retention of SeHCAT of less than 10% is...

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Job number: JB57410GBw(1) Date of Preparation: June 2020

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How common is bile acid diarrhoea (BAD)?
Professor David S. Sanders 

How common is bile acid diarrhoea (BAD)?
Professor David S. Sanders 

Professor Sanders argues that many patients presenting with irritable bowel syndrome (IBS) have underlying diseases. He explores a series of studies that suggest approximately 25% of patients presenting with IBS symptoms have BAD as the underlying cause. 

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