Irritable bowel syndrome classification: Difference between revisions
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==Classification== | ==Classification== | ||
Irritable bowel syndrome (IBS) may be classified according to Rome IV criteria into 4 subtypes: | Irritable bowel syndrome (IBS) may be classified according to Rome IV criteria into 4 subtypes based on predominant stool type:<ref name="pmid25731138">{{cite journal |vauthors=Sayuk GS, Gyawali CP |title=Irritable bowel syndrome: modern concepts and management options |journal=Am. J. Med. |volume=128 |issue=8 |pages=817–27 |year=2015 |pmid=25731138 |doi=10.1016/j.amjmed.2015.01.036 |url=}}</ref> | ||
# [[Irritable bowel syndrome|IBS]] with predominant [[constipation]] | # [[Irritable bowel syndrome|IBS]] with predominant [[constipation]] | ||
# [[Irritable bowel syndrome|IBS]] with predominant [[diarrhea]] | # [[Irritable bowel syndrome|IBS]] with predominant [[diarrhea]] | ||
# [[Irritable bowel syndrome|IBS]] with mixed bowel habits: alternating patterns of stool passage which is not in conjuncture with the normal bowel movements. | # [[Irritable bowel syndrome|IBS]] with mixed bowel habits: alternating patterns of stool passage which is not in conjuncture with the normal bowel movements. | ||
# [[Irritable bowel syndrome|IBS]] unclassified: Patients who meet the diagnostic criteria for [[Irritable bowel syndrome|IBS]] but whose bowel habits do not fit into any of the above subtypes. | # [[Irritable bowel syndrome|IBS]] unclassified: Patients who meet the diagnostic criteria for [[Irritable bowel syndrome|IBS]] but whose bowel habits do not fit into any of the above subtypes. | ||
[[Irritable bowel syndrome|IBS]]-PI or post infectious IBS. It is an additional subtype described that occurs subsequent to infections of the GI tract. | |||
{| class="wikitable" | {| class="wikitable" | ||
!SUBTYPE | !SUBTYPE |
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief:
Overview
Irritable bowel syndrome (IBS) may be classified according to Rome IV criteria into four subtypes/groups: IBS with predominant constipation , IBS with predominant diarrhea, IBS with mixed bowel habits,and IBS unclassified. In addition, IBS occuring subsequent to GI infections is known as PI-IBS or post infectious IBS.[1]
Classification
Irritable bowel syndrome (IBS) may be classified according to Rome IV criteria into 4 subtypes based on predominant stool type:[2]
- IBS with predominant constipation
- IBS with predominant diarrhea
- IBS with mixed bowel habits: alternating patterns of stool passage which is not in conjuncture with the normal bowel movements.
- IBS unclassified: Patients who meet the diagnostic criteria for IBS but whose bowel habits do not fit into any of the above subtypes.
IBS-PI or post infectious IBS. It is an additional subtype described that occurs subsequent to infections of the GI tract.
SUBTYPE | HARD OR LUMPY STOOLS | LOOSE(MUSHY) OR WATERY STOOLS |
---|---|---|
IBS with constipation | ≥ 25 percent | ≤ 25 percent |
IBS with diarrhea | ≤ 25 percent | ≥ 25 percent |
Mixed IBS | ≥ 25 percent | ≥ 25 percent |
Unsubtyped IBS | Insufficient abnormality of stool consistency to meet criteria for IBS with constipation, diarrhea, or mixed subtypes. |
References
- ↑ Longstreth GF (2005). "Definition and classification of irritable bowel syndrome: current consensus and controversies". Gastroenterol. Clin. North Am. 34 (2): 173–87. doi:10.1016/j.gtc.2005.02.011. PMID 15862928.
- ↑ Sayuk GS, Gyawali CP (2015). "Irritable bowel syndrome: modern concepts and management options". Am. J. Med. 128 (8): 817–27. doi:10.1016/j.amjmed.2015.01.036. PMID 25731138.