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Murine Colitis Modeling using Dextran Sulfate Sodium (DSS)

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[Cholagenic diarrhea].

A I Parfenov, L M Krums, A E Lychkova

Terapevticheskii Arkhiv

|April 1, 2008

Summary

Cholagenic diarrhea, characterized by bile acid malabsorption, occurs after small intestine resection or gallbladder removal. Treatment involves bile acid sequestrants or gallbladder stimulants.

Area of Science:

Gastroenterology
Digestive Diseases
Bile Acid Metabolism

Background:

Cholagenic diarrhea (CD) is a significant cause of chronic diarrhea.
Understanding its specific etiological and pathophysiological mechanisms is crucial for effective management.

Purpose of the Study:

To define cholagenic diarrhea as a distinct nosological entity.
To characterize its etiology, pathogenesis, clinical presentation, and treatment strategies.

Main Methods:

167 patients with chronic diarrhea were evaluated.
Methods included duodenal intubation for cholic acid estimation, fecal analysis (mass, fat, electrolytes), and assessment of gallbladder and intestinal electromotor activity (EMA).
Specific patient groups included those with small intestine resection, cholecystectomy, celiac disease, and biliary dyskinesia.

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Main Results:

Extensive small intestine resection led to significantly reduced cholic acid levels in bile.
Post-cholecystectomy patients exhibited abnormal colon EMA, indicative of hypermotor dyskinesia.
Celiac disease patients showed altered bile acid secretion patterns.

Conclusions:

Cholagenic diarrhea arises from extensive resection, inflammatory ileal diseases, gallbladder hypofunction, and post-cholecystectomy states.
CD post-cholecystectomy may be a variant of post-cholecystectomy syndrome.
Treatment should target excessive bile acids or stimulate gallbladder contractility as needed.