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Proton pump inhibitors reduce gallbladder function.

M A Cahan1, L Balduf, K Colton

  • 1Department of Surgery, University of North Carolina at Chapel Hill, Campus Box 7081, Chapel Hill, North Carolina 27599-7081, USA.

Surgical Endoscopy
|July 22, 2006
PubMed
Summary
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Proton pump inhibitors (PPIs) reduce gallbladder motility in healthy individuals. This suggests that long-term PPI use may increase the risk of gallbladder dysfunction and related biliary complications.

Area of Science:

  • Gastroenterology
  • Pharmacology

Background:

  • Previous research indicated gallbladder motor dysfunction in 58% of patients before fundoplication.
  • 86% of these patients normalized gallbladder function after surgery and stopping proton pump inhibitors (PPIs).
  • No studies had directly assessed antisecretory agents' impact on gallbladder function.

Purpose of the Study:

  • To measure gallbladder ejection fraction (GBEF) in healthy volunteers.
  • To assess the effect of PPIs on gallbladder function.

Main Methods:

  • 19 healthy subjects underwent baseline GBEF measurement via cholecystokinin-stimulated hepatobiliary acid scan.
  • Subjects received 30 days of omeprazole (40 mg daily) antisecretory therapy.
  • GBEF was reassessed on day 30, and subjects reported compliance and symptoms.

Related Experiment Videos

Main Results:

  • Proton pump inhibitor (PPI) therapy was linked to decreased gallbladder motility in 15 out of 19 subjects.
  • 26.7% of subjects reported symptoms consistent with biliary etiology.

Conclusions:

  • Short-term PPI therapy demonstrably reduces gallbladder motility in healthy volunteers.
  • Chronic PPI use may elevate the risk of long-term gallbladder dysfunction.
  • Potential for increased biliary complications associated with prolonged PPI therapy.