Evaluation of gallbladder motility: comparison of two-dimensional and three-dimensional ultrasonography
Journal Title: Annals of Hepatology - Year 2007, Vol 6, Issue 3
Abstract
Since impaired gallbladder emptying contributes to gallstone formation, the evaluation of gallbladder motility requires accurate methodology. Recently developed 3-dimensional ultrasonography may take into account various gallbladder shapes more accurately than conventional 2-dimensional ultrasonography. Therefore, volumes of water-filled balloons of various sizes were determined in vitro by 2-dimensional ultrasonography with the sum of cylinders method and by 3-dimensional ultrasonography. Also, in 15 gallstone patients and 6 healthy volunteers, fasting gallbladder volumes and postprandial motility were determined by both methods. Volumes of water-filled balloons as measured by both methods correlated strongly with true volumes (R= 0.93 for 2-dimensional and R = 0.98 for 3- dimensional ultrasonography). Gallbladder volumes measured by both methods were also correlated (R = 0.66, P
Authors and Affiliations
Susanne Stads, Niels Venneman, Robert Scheffer, Melvin Samsom, Karel van Erpecum
Keywords
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