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Published on: November 27, 2016
Variables affecting quantitative biliary scintigraphy in asymptomatic cholecystectomized volunteers
J A Sand1, V M Turjanmaa, M O Koskinen
1Department of Surgery, Tampere University Hospital and Medical School, Tampere University, Finland.
Hepato-Gastroenterology
|May 6, 1999
Summary
The time since gallbladder removal significantly impacts quantitative cholescintigraphy results. This biliary emptying test interpretation should account for the post-cholecystectomy interval, not patient age or gender.
Area of Science:
- Hepatobiliary imaging
- Gastroenterology
- Nuclear medicine
Background:
- Quantitative cholescintigraphy assesses biliary emptying and sphincter of Oddi dyskinesia in post-cholecystectomy patients.
- Factors influencing scintigraphy interpretation in asymptomatic individuals require identification.
Purpose of the Study:
- To identify variables affecting quantitative cholescintigraphy interpretation in asymptomatic cholecystectomized volunteers.
- To determine the impact of post-cholecystectomy interval, age, gender, and prior choledocholithotomy on scintigraphy outcomes.
Main Methods:
- Quantitative cholescintigraphy performed on 37 asymptomatic volunteers (11 males, 26 females; median age 49).
- Data collected included time since cholecystectomy (median 5 years), and history of choledocholithotomy.
- Measured parameters: liver maximum activity time, percentage of clearance, and hilum-duodenal transit time.
Main Results:
- Time interval since cholecystectomy positively correlated with maximum liver activity time and hilum-duodenal transit time.
- Time interval since cholecystectomy negatively correlated with percentage of clearance.
- Multivariate analysis identified the time interval since cholecystectomy as the sole independent variable influencing study parameters.
Conclusions:
- The duration of the post-cholecystectomy interval is a critical factor in interpreting quantitative cholescintigraphy.
- Gender, age, and previous choledocholithotomy did not independently affect the studied scintigraphy parameters.
- Adjusting interpretations based on the time since gallbladder removal is recommended for accurate assessment.
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