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- W3161624402 abstract "Aims: CT hepatic volumetry is currently accepted as the most reliable method for preoperative assumption of the graft weight for living donor liver transplantation. However, the estimated value from CT volumetry can be deviated from real graft weight due to several factors including the difference between the preoperative assumptive and the actual hepatectomy planes. It may be worthwhile to determine how much each factor contributes to the error of CT volumetry. Thus, the purpose of this study was to determine the resection plane-dependent error of CT volumetry for right hepatic lobe in live liver donors.Methods: Forty-six live liver donors underwent CT scans ≤2 months before the liver procurement and within postoperative day 7. CT volumetry was performed by two radiologists in consensus using a computer-aided liver volumetry software. Prospective CT volumetry (VP) was measured with assumptive hepatectomy plane. Retrospective liver volume (VR) was measured using actual plane determined by comparing preoperative and postoperative CT scans. Compared with intraoperatively measured weight (W), errors of percentage (%) VP and VR were evaluated. Plane-dependent error of VP was defined as absolute difference between VP and VR. % plane-dependent error was defined as follow:|VP-VR|/W·100.Results: Mean VP, VR, and W were 761.9 mL, 755.0 mL, and 696.9g. Mean and % errors of VP were 73.3 mL and 10.7%. Mean error and % error of VR were 64.4 mL and 9.3%. Mean plane-dependent error of VP was 32.4 mL. Mean % plane-dependent error was 4.7%. The plane-dependent error of VP exceeded 10% of W in approximately 10% of the subjects in our study.Conclusions: There is approximately 5% plane-dependent error for VP at CT volumetry. However, even with correction of plane-dependent error, error of VR is still approximately 9% compared with W." @default.
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- W3161624402 date "2017-01-01" @default.
- W3161624402 modified "2023-09-23" @default.
- W3161624402 title "PE-184 : Resection Plane-Dependent Error of CT Volumetry for Right Hepatic Lobe in Live Liver Donors" @default.
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