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In vitro bench testing using patient-specific 3D models for percutaneous pulmonary valve implantation with Venus P-valve

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Chinese Medical Journal 2024年第8期137卷 990-996页

作者： Yu Han Zehua Shao Zirui Sun Yan Han Hongdang Xu Shubo Song Xiangbin Pan Peter P.T.de Jaegere Taibing Fan Gejun Zhang Department of Structure Heart Disease Central China Fuwai Hospital of Zhengzhou UniversityZhengzhouHenan 451460China Children’s Heart Center Central China Fuwai Hospital of Zhengzhou UniversityZhengzhouHenan 451460China Department of Anesthesiology Central China Fuwai Hospital of Zhengzhou UniversityZhengzhouHenan 451460China Department of Structure Heart Disease Fuwai Hospital Chinese Academy of Medical SciencesBeijing 100037China Department of Cardiology Erasmus MCRotterdam 3015 GDNetherlands

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 ***: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 ***: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 *** the remaining 14 patients,valve size and/or implantation location was altered to avoid valve migration and/or compression coronary *** 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 *** of the valve was dictated by the flaring of the in-and outflow portion in the pulmonary *** 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,Ptesting indicated no need to oversize the Venus P-valve to the degree recommended by the balloon-sizing technique,as 2-5 mm sufficed.

关键词： Heart valve prosthesis implantation Percutaneous pulmonary valve intervention Pulmonary regurgitation bench testing 3D printing Venus P-valve

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