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Altered gallbladder contractility after extracorporeal shock-wave cholecystolithotripsy
B Rawat1, J S Fache, H J Burhenne
1Department of Radiology, University of British Columbia, Vancouver, Canada.
AJR. American Journal of Roentgenology
|September 1, 1991
Summary
Biliary extracorporeal shock-wave lithotripsy (ESWL) generally does not alter gallbladder contractility, though it can reduce fasting gallbladder volume. Fragment clearance post-ESWL doesn't significantly improve gallbladder function in most patients.
Area of Science:
- Gastroenterology
- Medical Imaging
- Urology
Background:
- Gallbladder contractility is crucial for fragment clearance after gallstone fragmentation.
- Extracorporeal shock-wave lithotripsy (ESWL) is a treatment for gallstones.
- Assessing post-ESWL gallbladder function is important for patient outcomes.
Purpose of the Study:
- To evaluate changes in gallbladder contractility after biliary ESWL.
- To determine the effect of gallstone fragment clearance on gallbladder function.
- To analyze the prevalence of gallbladder contraction post-ESWL.
Main Methods:
- Assessed gallbladder contractility via oral fatty meal response in 50 patients post-ESWL (fragments < 3 mm).
- Evaluated 10 patients 3 months after complete fragment clearance.
- Analyzed gallbladder contraction prevalence in 325 patients undergoing biliary ESWL using sonography.
Main Results:
- Gallbladder contractility remained unchanged in 60% of patients post-ESWL.
- A significant average reduction of 28% in fasting gallbladder volume was observed.
- No significant difference in ejection fraction was noted before ESWL and after fragment clearance.
Conclusions:
- Biliary ESWL has a limited impact on overall gallbladder contractility in most patients.
- A reduction in fasting gallbladder volume is a notable effect of ESWL.
- Fragment clearance post-ESWL does not typically restore or improve gallbladder contractility.