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Neurogastroenterol Motil. 2014 Jan;26(1):1-2. doi: 10.1111/nmo.12274.

Irritable bowel syndrome subtypes: constipation, diarrhea…and mixed bowel pattern: tertium datur.

Author information

1
Division of Gastroenterology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, USA.

Abstract

The study by Su et al. published in this issue of NGM provides helpful insight into a relatively large, yet understudied, subgroup of IBS known as IBS with mixed bowel pattern (IBS-M). These investigators found among their 289 IBS subjects who underwent detailed assessment the IBS-M subtype to be particularly common. Interestingly, prior use of laxatives or antidiarrheal agents was found to potentially explain the mixed bowel pattern in approximately 30% of patients. These IBS-M patients tended to report more severe IBS symptoms. IBS-M patients had bowel symptoms more similar to IBS-D than IBS-C, particularly with regard to the rectal urgency. Hopefully many more studies will be forthcoming to further our understanding of IBS-M.

KEYWORDS:

IBS-M; constipation; diarrhea

PMID:
24329945
DOI:
10.1111/nmo.12274
[Indexed for MEDLINE]

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