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Related Experiment Videos

Altered intestinal function in patients with chronic heart failure.

Anja Sandek¹, Juergen Bauditz, Alexander Swidsinski

¹Department of Gastroenterology, Charite, Campus Mitte, Berlin, Germany.

Journal of the American College of Cardiology

|October 16, 2007

Summary

Chronic heart failure (CHF) alters gut morphology and function, increasing intestinal permeability and bacterial biofilm. These changes may drive inflammation and malnutrition in CHF patients.

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Area of Science:

Gastroenterology
Cardiology
Internal Medicine

Background:

Bacterial endotoxin translocation in chronic heart failure (CHF) may promote inflammation.
Gut morphology and function may be impaired in CHF patients.

Purpose of the Study:

To evaluate gut morphology and function in patients with chronic heart failure (CHF).

Main Methods:

Assessed bowel wall thickness via sonography.
Measured small and large intestinal permeability using lactulose-mannitol and sucralose tests, respectively.
Evaluated D-xylose absorption and mucosal bacterial biofilm in CHF patients versus controls.

Main Results:

CHF patients exhibited increased bowel wall thickness across multiple segments (ileum, colon).
Significantly higher small intestinal (35%) and large intestinal (210%) permeability was observed in CHF patients.
CHF patients showed decreased D-xylose absorption (29%) and increased adherent bacteria in gut mucus.

Conclusions:

Chronic heart failure (CHF) is a multisystem disorder affecting gut morphology, permeability, and absorption.
Increased intestinal permeability and bacterial biofilm in CHF may contribute to chronic inflammation and malnutrition.