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Three-dimensional sonographic evaluation of gallbladder contractility: comparison with cholescintigraphy
Hei Ja Yoon1, Pyo Nyun Kim, Ah Young Kim
1Department of Radiology, Changwon Poutima Hospital, Changwon Kyungnam, Korea.
Journal of Clinical Ultrasound : JCU
|March 21, 2006
Summary
Three-dimensional ultrasound (3D US) reliably assesses gallbladder contractility, showing a strong correlation with quantitative cholescintigraphy. This imaging technique offers an easy clinical method for measuring gallbladder function.
Area of Science:
- Medical Imaging
- Gastroenterology
- Diagnostic Technology
Background:
- Assessing gallbladder contractility is crucial for diagnosing gallbladder disease.
- Quantitative cholescintigraphy is a standard but time-consuming method.
Purpose of the Study:
- To compare the accuracy of three-dimensional ultrasound (3D US) against quantitative cholescintigraphy for gallbladder contractility assessment.
- To evaluate 3D US as a clinical tool for gallbladder function measurement.
Main Methods:
- 35 patients with suspected gallbladder disease underwent both quantitative cholescintigraphy and 3D US.
- Gallbladder radioactivity was measured post-Tc-99m DISIDA injection and post-meal.
- 3D US provided immediate gallbladder volume and contractility images.
Main Results:
- A strong linear correlation was found between 3D US and cholescintigraphy for gallbladder contractility (r=0.92, R²=0.85).
- Mean gallbladder contractility indices were 77.7% (cholescintigraphy) and 73.4% (3D US).
- 3D US demonstrated a mean difference of 4.4% +/- 8.7% compared to cholescintigraphy.
Conclusions:
- Three-dimensional ultrasound is a reliable and user-friendly method for measuring gallbladder volume.
- 3D US provides accurate assessment of gallbladder contractility, comparable to cholescintigraphy.
- This technique offers a practical alternative for clinical evaluation of gallbladder function.