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Irritable bowel syndrome subtypes: constipation, diarrhea…and mixed bowel pattern: tertium datur
1Division of Gastroenterology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, USA.
Neurogastroenterology and Motility
|December 17, 2013
Summary
This study highlights Irritable Bowel Syndrome with mixed bowel pattern (IBS-M), a common IBS subtype. Prior medication use may explain symptoms in 30% of IBS-M patients, who report more severe issues.
Area of Science:
- Gastroenterology
- Clinical Medicine
- Digestive Health
Background:
- Irritable Bowel Syndrome (IBS) is a prevalent gastrointestinal disorder.
- IBS with mixed bowel pattern (IBS-M) is an understudied subtype.
- Understanding IBS-M is crucial for effective patient management.
Purpose of the Study:
- To investigate the characteristics of IBS with mixed bowel pattern (IBS-M).
- To identify potential contributing factors to the mixed bowel pattern in IBS patients.
- To compare symptom profiles of IBS-M with other IBS subtypes.
Main Methods:
- Detailed assessment of 289 IBS subjects.
- Analysis of prior use of laxatives and antidiarrheal agents.
- Symptom comparison between IBS-M, IBS-D (diarrhea-predominant), and IBS-C (constipation-predominant).
Main Results:
- IBS-M was found to be a common subtype among the studied IBS population.
- Approximately 30% of IBS-M patients had a history of laxative or antidiarrheal use.
- IBS-M patients reported more severe symptoms, with patterns resembling IBS-D, especially rectal urgency.
Conclusions:
- IBS-M represents a significant and common IBS subgroup.
- Medication history may be a key factor in the development of IBS-M.
- Further research is needed to fully elucidate the pathophysiology and optimal treatment of IBS-M.
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