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  • Title: The evaluation of gallbladder function by quantitative radionuclide cholescintigraphy before and after ESWL for gallstones: preliminary report.
    Author: Kao CH, Wang SJ, Liu TJ, Wu CC.
    Journal: Abdom Imaging; 1993; 18(4):325-8. PubMed ID: 8220029.
    Abstract:
    We assessed changes of gallbladder function including concentration and contraction in patients with gallstones after extracorporeal shockwave lithotripsy (ESWL). The abilities of concentration and contraction were expressed as filling fraction (FF) at 90 min and ejection fraction (EF) at 30 min after a fatty diet by Tc-99m DISIDA cholescintigraphy. A total of 12 patients who had symptomatic gallstones without cholecystitis were included in our study. ESWL failed in three cases: FF decreased in two of three cases and increased in one of three cases, whereas EF decreased in two of three cases and increased in one of three cases. In another nine cases, ESWL was successful and the gallstones were fragmented. One month after ESWL, in three of these nine cases, the gallstones had completely disappeared. In the three cases at 1 month after ESWL, FF decreased in two of three cases and increased in one of three cases, whereas EF decreased in one of three cases and increased in two of three cases. In the remaining six cases after ESWL, there were still some residual stone fragments in the gallbladder. In these six cases after 6 months, no fragments were found in the gallbladders, the third Tc-99m DISIDA cholescintigraphy was performed. In these six cases, the changes of FF and EF, before ESWL, 1 month after ESWL, and 6 months after ESWL, were irregular and fluctuant. However, no significant improvement of gallbladder function was demonstrated even when ESWL was successful.(ABSTRACT TRUNCATED AT 250 WORDS)
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