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Functional transition:Inconsistently parallel to the increase in future liver remnant volume after preoperative portal vein embolization

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World Journal of Gastrointestinal Surgery 2021年第2期13卷 153-163页

作者： Yosuke Tsuruga Toshiya Kamiyama Hirofumi Kamachi Tatsuya Orimo Shingo Shimada Akihisa Nagatsu Yoh Asahi Yuzuru Sakamoto Tatsuhiko Kakisaka Akinobu Taketomi Department of Gastroenterological Surgery I Hokkaido University Graduate School of MedicineSapporo 060-8638Japan

BACKGROUND Preoperative portal vein embolization(PVE)is a widely used strategy to enable major hepatectomy in patients with insufficient liver *** induces hypertrophy of the future liver remnant(FLR)and a shift of the functional reserve to the ***,whether the increase of the FLR volume(FLRV)corresponds to the functional transition after PVE remains *** To investigate the sequential relationship between the increase in FLRV and functional transition after preoperative PVE using 3-dimensional(3D)computed tomography(CT)and 99mTc-galactosyl-human serum albumin(99mTc-GSA)singlephoton emission computed tomography(SPECT)fusion *** Thirty-three patients who underwent major hepatectomy following PVE at the Department of Gastroenterological Surgery I,Hokkaido University Hospital between October 2013 and March 2018 were ***-phase dynamic multidetector CT and 99mTc-GSA SPECT scintigraphy were performed at pre-PVE,and at 1 and 2 wk after PVE;3D 99mTc-GSA SPECT CT-fused images were constructed from the Digital Imaging and Communications in Medicine data using 3D image analysis *** FLRV(FFLRV)was defined as the total liver volume×(FLR volume counts/total liver volume counts)on the 3D 99m Tc-GSA SPECT CT-fused *** calculated FFLRV was compared with *** FFLRV increased by a significantly larger extent than FLRV at 1 and 2 wk after PVE(Pliver *** The

关键词： Preoperative portal vein embolization Hepatectomy 99mTc-galactosyl-human serum albumin single-photon emission computed tomography future liver remnant volume Functional transition Fatty liver change

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