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  • Title: Simultaneous evaluation of portal hemodynamics and liver function by scintiphotosplenoportography in pediatric recipients of living-donor liver transplants.
    Author: Yoshida H, Mamada Y, Taniai N, Hirakata A, Kawano Y, Kakinuma D, Mineta S, Tajiri T.
    Journal: Hepatogastroenterology; 2009; 56(91-92):819-23. PubMed ID: 19621709.
    Abstract:
    BACKGROUND/AIMS: The aim of this study was to simultaneously evaluate portal hemodynamics and liver function by scintiphotosplenoportography (SSP) using technetium-99m-diethylenetriaminepentaacetic asid-galactosyl-human serum albumin (99mTc-GSA) in recipients of living-donor liver transplants (LDLT). METHODOLOGY: Three LDLT recipients with biliary atresia who underwent SSP using 99mTc-GSA were studied. The clearance index of 99mTc-GSA (HH15) was calculated by dividing the radioactivity of the heart region of interest (ROI) 15 minutes after injection (H15) by that of the heart ROI 3 minutes after injection (H3), (HH15=H15/H3). The hepatic uptake ratio of 99mTc-GSA (LHL15) was calculated by dividing the radioactivity of the liver ROI at 15 minutes (L15) by H15 plus L15, (LHL15=L15/(H15+L15)). H/L15 (HH15/LHL15). RESULTS: Patient 1: On SSP before transplantation, digital images showed hepatofugal flow, but not the portal vein in early phase (HH15: 0.647, LHL15: 0.861, H/L15: 0.751). On SSP after transplantation, digital images showed the portal vein clearly, and the hepatofugal flow had disappeared (HH15: 0.633, LHL15: 0.971, H/L15: 0.652). Patient 2: On SSP before transplantation, digital images showed hepatofugal flow, and the liver was slightly visible in early phase (HH15: 0.673, LHL15: 0.869, H/L15: 0.774). Patient 3: On SSP before transplantation, digital images showed splenorenal shunt, but not the liver in early phase (HH15: 0.697, LHL15: 0.838, H/L15: 0.832). CONCLUSIONS: SSP using 99mTc-GSA is useful for the simultaneous evaluation of portal hemodynamics and liver function in pediatric recipients of LDLT.
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