期刊
JOURNAL OF THORACIC AND CARDIOVASCULAR SURGERY
卷 156, 期 1, 页码 106-116出版社
MOSBY-ELSEVIER
DOI: 10.1016/j.jtcvs.2017.12.150
关键词
transcatheter aortic valve replacement; aortic regurgitation; transcatheter heart valve
Objective: To report on the Chinese multicenter study of the J-Valve transcatheter heart valve for treatment of predominant aortic regurgitation. Methods: Transapical transcatheter aortic valve replacement with the J-Valve for treating high-risk severe aortic regurgitation was performed in 43 patients in 3 Chinese centers. The study was registered with the Chinese Clinical Trial Registry (ChiCTR-OPC-15006354). Procedural results and clinical outcomes up to 1-year were analyzed using Valve Academic Research Consortium 2 criteria. Results: All patients (mean age, 73.9 +/- 5.7 years) were considered at prohibitive or high risk for surgical valve replacement (logistic European System for Cardiac Operative Risk Evaluation, 20.0% to 44.4%; mean, 25.5% +/- 5.3%) after evaluation by an interdisciplinary heart team. Transapical implantation was successful in 42 patients (97.7%). The 1-year outcomes included all-cause mortality (4.7%), disabling stroke (2.3%), new permanent pacemaker (4.7%), and valve-related reintervention (7.0%). At the 1-year follow-up, postprocedural paravalvular regurgitation was none/trace in 30 of 39 patients and mild in 8 of 39 patients, and the mean transvalvular gradient after valve implantation was favorable at 10.4 +/- 4.5 mm Hg. Conclusions: After an initial demonstration of feasibility, this multicenter study shows that the J-Valve transcatheter heart valve system is a reasonable option for patients with predominant aortic regurgitation.
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