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Gallbladder function after endoscopic sphincterotomy--a dynamic ultrasound assessment
1Department of Diagnostic Radiology, Withington Hospital, Manchester, UK.
The British Journal of Radiology
|July 1, 1993
Summary
Gallbladder function can be preserved after endoscopic sphincterotomy (ES) for gallstones. Over half of patients studied showed normal gallbladder contraction, suggesting residual sphincter of Oddi function may be key.
Area of Science:
- Gastroenterology
- Medical Imaging
- Biliary System Physiology
Background:
- Controversy exists regarding gallbladder function post-endoscopic sphincterotomy (ES).
- Gallstones are a common indication for ES.
- Assessing gallbladder contractility is crucial for understanding post-procedural outcomes.
Purpose of the Study:
- To evaluate gallbladder contractility in patients after ES for gallstones.
- To determine factors influencing gallbladder function post-ES.
- To investigate the relationship between stone size, sphincterotomy completeness, and gallbladder function.
Main Methods:
- Ultrasound was used to measure gallbladder volume and assess contractility.
- 34 patients who underwent ES and common bile duct (CBD) clearance were studied.
- Gallbladder refilling was assessed in patients with normal initial contraction.
Main Results:
- Gallbladder function was measurable in 18 of 34 patients (53%).
- Normal gallbladder contraction was observed in 53% of patients.
- Patients with preserved gallbladder function had smaller stones extracted during ES.
Conclusions:
- Gallbladder function can be preserved in a significant portion of patients following ES.
- Smaller extracted stones may indicate a less complete sphincterotomy, preserving sphincter of Oddi function.
- Preserved gallbladder function post-ES is associated with residual sphincter of Oddi activity.