Yuntao Lu, Minyan Yin, Ye Yang, Wenshuo Wang, Lili Dong, Xue Yang, Chunsheng Wang, Xiaolin Wang, Jinmiao Chen, Lai Wei
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引用次数: 0
Abstract
Purpose: Transcatheter aortic valve replacement (TAVR) induced coronary artery obstruction (CAO) is a rare but devastating complication. Current preventive strategies need additional procedures and may be associated with adverse events. This study aimed to evaluate the early safety and efficacy of stand-alone TAVR using the J-Valve (Jianshi JieCheng Medical Technology Co. Ltd, Shanghai, China) in patients at potential high risk for CAO.
Patients and methods: CAO was defined as coronary ostia obstruction requiring intervention. Patients at potential high risk for CAO were identified retrospectively from 673 consecutive patients who underwent TAVR from January 2015 to July 2021 at Zhongshan Hospital, Fudan University. Procedural results and early outcomes were evaluated according to Valve Academic Research Consortium-3 definitions.
Results: A total of 20 consecutive patients (age 72 ± 9 years; 85% female;) were included. The Society of Thoracic Surgeons-Predicted Risk of Mortality was 5% (interquartile range, 4 to 10%). All patients (100%) had at least 2 classical risk factors for CAO by pre-procedural computed tomography analysis, and 90% patients had native aortic valve diseases. TAVR was successful in 95% of cases, with only 1 patient requiring second device implantation. Early safety at 30 days was achieved in all cases without death. All patients were free from CAO, stroke or emergency reintervention. Post-procedural mean aortic valve gradient was 7 (interquartile range, 4, 12) mmHg, and none/trace or mild aortic regurgitation was present in all patients.
Conclusion: Stand-alone TAVR using the J-Valve may mitigate the risk of TAVR-induced CAO.
期刊介绍：
Clinical Interventions in Aging, is an online, peer reviewed, open access journal focusing on concise rapid reporting of original research and reviews in aging. Special attention will be given to papers reporting on actual or potential clinical applications leading to improved prevention or treatment of disease or a greater understanding of pathological processes that result from maladaptive changes in the body associated with aging. This journal is directed at a wide array of scientists, engineers, pharmacists, pharmacologists and clinical specialists wishing to maintain an up to date knowledge of this exciting and emerging field.
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