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Sonographic features of umbilical vein recanalization for a Rex shunt on cavernous transformation of portal vein in children

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World Journal of Clinical Cases 2020年第22期8卷 5555-5563页

作者： Yu-Qing Zhang Qing Wang Mei Wu Ya Li Xiu-Liang Wei Fei-Xue Zhang Yan Li Guang-Rui Shao Juan Xiao Department of Ultrasound The Second HospitalCheeloo College of MedicineShandong UniversityJinan 250033Shandong ProvinceChina Department of Radiology Qilu HospitalCheeloo College of MedicineShandong UniversityJinan 250012Shandong ProvinceChina Department of Nuclear Medicine The Second HospitalCheeloo College of MedicineShandong UniversityJinan 250033Shandong ProvinceChina Department of Radiology The Second HospitalCheeloo College of MedicineShandong UniversityJinan 250033Shandong ProvinceChina Center of Evidence-Based Medicine Institute of Medical SciencesThe Second HospitalCheeloo College of MedicineShandong UniversityJinan 250033Shandong ProvinceChina

BACKGROUND The Rex shunt was widely used as the preferred surgical approach for cavernous transformation of the portal vein(CTPV)in children that creates a bypass between the superior mesenteric vein and the intrahepatic left portal vein(LPV).This procedure can relieve portal hypertension and restore physiological hepatopetal ***,the modified procedure is technically demanding because it is difficult to make an end-to-end anastomosis of a bypass to a hypoplastic *** studies reported using a recanalized umbilical vein as a conduit to resolve this ***,the feasibility of umbilical vein recanalization for a Rex shunt has not been fully *** To investigate the efficacy of a recanalized umbilical vein as a conduit for a Rex shunt on CTPV in children by *** A total of 47 children who were diagnosed with CTPV with prehepatic portal hypertension in the Second Hospital,Cheeloo College of Medicine,Shandong University,were enrolled in this *** children received a recanalized umbilical vein as a conduit for a Rex shunt surgery and were enrolled in group ***-two children received the classic Rex shunt surgery and were enrolled in group *** sonographic features of the two groups related to intraoperative and postoperative variation in terms of bypass vessel and the LPV were *** The patency rate of group I(60.0%,9/15)was significantly lower than that of group II(87.5%,28/32)7 d after(on the 8th d)operation(P0.05).Moreover,3 mo after(at the beginning of the 4th mo)surgery,the inner diameter significantly widened and flow velocity notably increased for the bypass vessels and the sagittal part of the LPV compared to intraoperative values in both shunt groups(P<0.05).However,there was no significant difference between the two surgic

关键词： Cavernous transformation of the portal vein Rex shunt Recanalization umbilical vein Ultrasonography

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