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Stent fracture after transjugular intrahepatic portosystemic shunt placement using the bare metal stent/stent-graft combination technique

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World Journal of Gastrointestinal Surgery 2023年第10期15卷 2133-2141页

作者： Qi-Jia Liu Xiao-Feng Cao Yun Pei Xuan Li Guo-Xiang Dong Chang-Ming Wang Department of Interventional Radiology and Vascular Surgery Peking University Third HospitalBeijing 100191China Department of Interventional Therapy Yangquan First People’s HospitalYangquan 045000Shanxi ProvinceChina

BACKGROUND A transjugular intrahepatic portosystemic shunt(TIPS)is widely placed to treat portal *** the Viatorr®stent(*** and Associates,Flagstaff,AZ,United States)is not available in all hospitals in China,the bare metal stent(BMS)/stent-graft combination technique is still popular for TIPS *** fracture is a complication after TIPS placement using this technique,with limited available literature focusing on *** To assess the incidence of stent fracture after TIPS placement using the BMS/stent-graft combination technique and to identify the risk factors for stent *** proposed technique modifications to improve the clinical results of TIPS placement with the BMS/stent-graft combination *** We retrospectively analyzed the computed tomography(CT)data of all patients with portal hypertension who underwent the TIPS procedure between June 2011 and December 2021 in a single *** implanted with the BMS/stent graft and had follow-up imaging data available were *** identified patients with stent fracture and analyzed their *** logistic regression was applied to identify the potential predictors of stent *** Of the 68 included patients,stent fracture occurred in seven(10.3%)*** on CT images,the stent fractures were categorized into three *** study consisted of four(57.1%)type I fractures,one(14.3%)type II fracture,one(14.3%)type IIIa fracture,and one(14.3%)type IIIb *** adjusting for covariates,multivariable logistic regression revealed that the risk factors for stent fracture were the implantation of a greater number of stents[adjusted odds ratio(aOR)=22.2,95%confidence interval(CI):1.2-415.4,P=0.038]and a larger proximal sagittal stent bending angle(aOR=1.1,95%CI:1.0-1.3,P=0.020).CONCLUSION Stent fracture occurred in approximately 10%of patients with portal hypertension who underwent TIPS with the BMS/stent-graft combination tec

关键词： Portal hypertension Transjugular intrahepatic portosystemic shunt Stent fracture Bare metal stent/stent-graft combination Risk factor fracture types

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