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Postprandial refilling and turnover: specific gallbladder motor function defects in patients with gallstone
P Pazzi1, M L Petroni, N Prandini
1Department of Medicine, St George's Hospital Medical School, London, UK.
European Journal of Gastroenterology & Hepatology
|August 10, 2000
Summary
Impaired gallbladder refilling and bile turnover are specific defects in patients experiencing gallstone recurrence. These new parameters help distinguish recurrent gallstone disease from resolved cases.
Area of Science:
- Gastroenterology
- Biliary tract physiology
- Gallstone disease pathogenesis
Background:
- Impaired gallbladder motor function is implicated in cholesterol gallstone formation and recurrence.
- New parameters of gallbladder motor function, including postprandial refilling and turnover, have been defined.
- These parameters were found to be impaired in patients with gallstones.
Purpose of the Study:
- To evaluate the utility of new gallbladder motor function parameters in differentiating patients with gallstone recurrence from those without.
- To assess the role of gallbladder emptying, postprandial refilling, and bile turnover in gallstone recurrence.
Main Methods:
- Studied 11 patients with gallstone recurrence, 11 without recurrence (post-dissolution), and 11 healthy controls.
- Simultaneously measured gallbladder volume (ultrasound) and counts (scintigraphy) over 90 minutes post-meal.
- Calculated gallbladder emptying, postprandial refilling, bile turnover, and turnover index.
Main Results:
- Patients with gallstone recurrence showed reduced gallbladder emptying, postprandial refilling, and bile turnover.
- A significant reduction in the gallbladder turnover index was observed in recurrent patients compared to controls and non-recurrent patients.
- Patients without recurrence had only minor reductions in emptying, with no significant changes in refilling or turnover.
Conclusions:
- Impaired gallbladder emptying persists after gallstone dissolution, more so in recurrent cases.
- Impairments in postprandial refilling and gallbladder bile turnover are specific indicators of gallstone recurrence.
- These novel functional parameters aid in identifying patients at risk for gallstone recurrence.
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