中华医学杂志（英文版）/Journal Chinese Medical JournalCSCDCSTPCD北大核心SCI
查看更多>>1887年创刊，中华医学会主办。中华医学杂志英文版(Chinese Medical Journal)是中华医学会会刊，是中国惟一被SCI核心版收录、具有百年以上历史的医学期刊。重点报道我国医学各学科最新进展和高水平科研成果，目前已被《科学引文索引（SCI）》、《医学索引（IM）》、Medline等国际著名检索系统收录。2009年SCI影响因子0.952，SCI被引频次3407。2010年被国际医学期刊编辑委员会（ICMJE）吸收为新成员。多次获得国家期刊奖、科协专项基金、自然基金等奖项和资助。实行全文上网 （），网上投稿审稿()。
查看更多>>摘要：Background:Due to the wide variety of morphology,size,and dynamics,selecting an optimal valve size and location poses great difficulty in percutaneous pulmonary valve implantation(PPVI).This study aimed to report our experience with in vitro bench testing using patient-specific three-dimensional(3D)-printed models for planning PPVI with the Venus P-valve.Methods:Patient-specific 3D soft models were generated using PolyJet printing with a compliant synthetic material in 15 patients scheduled to undergo PPVI between July 2018 and July 2020 in Central China Fuwai Hospital of Zhengzhou University.Results:3D model bench testing altered treatment strategy in all patients(100％).One patient was referred for surgery because testing revealed that even the largest Venus P-valve would not anchor properly.In the remaining 14 patients,valve size and/or implantation location was altered to avoid valve migration and/or compression coronary artery.In four patients,it was decided to change the point anchoring because of inverted cone-shaped right ventricular outflow tract(RVOT)(n=2)or risk of compression coronary artery(n=2).Concerning sizing,we found that an oversize of 2-5 mm suffices.Anchoring of the valve was dictated by the flaring of the in-and outflow portion in the pulmonary artery.PPVI was successful in all 14 patients(absence of valve migration,no coronary compression,and none-to-mild residual pulmonary regurgitation[PR]).The diameter of the Venus P-valve in the 3D simulation group was significantly smaller than that of the conventional planning group(36[2]vs.32[4],Z=-3.77,P＜0.001).Conclusions:In vitro testing indicated no need to oversize the Venus P-valve to the degree recommended by the balloon-sizing technique,as 2-5 mm sufficed.
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