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Review article: gall-bladder motor function in diabetes mellitus.

P Pazzi1, R Scagliarini, S Gamberini

  • 1Department of Gastroenterology, S. Anna Hospital, Ferrara, Italy. pzp@unife.it

Alimentary Pharmacology & Therapeutics
|July 21, 2000
PubMed
Summary

Diabetic patients have an increased risk of gallstones, likely due to impaired gallbladder emptying, not bile supersaturation. This dysfunction may stem from neuropathy or reduced gallbladder sensitivity to cholecystokinin.

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Area of Science:

  • Gastroenterology
  • Endocrinology
  • Metabolic Diseases

Background:

  • Diabetic patients exhibit a 2-3 fold increased risk of cholesterol gallstones.
  • Impaired gallbladder emptying, rather than bile supersaturation, is a suspected contributing factor.
  • Conflicting results in previous studies highlight heterogeneity in patient populations, stimuli, and assessment methods.

Purpose of the Study:

  • To investigate the mechanisms behind impaired gallbladder emptying in diabetic patients.
  • To explore potential causes such as visceral neuropathy or altered cholecystokinin signaling.

Main Methods:

  • Review of existing literature on gallbladder function in diabetes.
  • Analysis of studies examining gallbladder motility, cholecystokinin release, and receptor sensitivity.

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Main Results:

  • Evidence does not support bile supersaturation as a primary cause in diabetics.
  • Impaired gallbladder emptying is consistently observed, suggesting a motor dysfunction.
  • Normal cholecystokinin release rules out impaired release as the cause.

Conclusions:

  • Gallbladder emptying abnormalities in diabetics are likely due to decreased smooth muscle sensitivity to cholecystokinin or reduced gallbladder cholecystokinin receptors.
  • Visceral neuropathy is a potential underlying mechanism for this gallbladder dysfunction.