Transcatheter Aortic Valve Replacement: A Review Article
محل انتشار: مجله پزشکی قلب و قفسه سینه، دوره: 4، شماره: 2
سال انتشار: 1395
نوع سند: مقاله ژورنالی
زبان: انگلیسی
مشاهده: 280
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شناسه ملی سند علمی:
JR_JCTM-4-2_001
تاریخ نمایه سازی: 20 مهر 1398
چکیده مقاله:
Transcatheter aortic valve replacement (TAVR) is a novel therapeutic intervention for the replacement of severely stenotic aortic valves in high-risk patients for standard surgical procedures. Since the initial PARTNER trial results, use of TAVR has been on the rise each year. New delivery methods and different valves have been developed and modified in order to promote the minimally invasive procedure and reduce common complications, such as stroke. This review article focuses on the current data on the indications, risks, benefits, and future directions of TAVR. Recently, TAVR has been considered as a standard-of-care procedure. While this technique is used frequently in high-risk surgical candidates, studies have been focusing on the application of this method for younger patients with lower surgical risk. Moreover, several studies have proposed promising results regarding the use of valve-in-valve technique or the procedure in which the valve is placed within a previously implemented bioprosthetic valve. However, ischemic strokes and paravalvular leak remain a matter of debate in these surgeries. New methods and devices have been developed to reduce the incidence of post-procedural stroke. While the third generation of TAVR valves (i.e., Edwards Sapien 3 and Medtronic Evolut R) addresses the issue of paravalvular leak structurally, results on their efficacy in reducing the risk of paravalvular leak are yet to be obtained. Furthermore, TAVR enters the field of hybrid methods in the treatment of cardiac issues via both surgical and catheter-based approaches. Finally, while TAVR is primarily performed on cases with aortic stenosis, new valves and methods have been proposed regarding the application of this technique in aortic regurgitation, as well as other aortic pathologies. TAVR is a suitable therapeutic approach for the treatment of aortic stenosis in high-risk patients. Considering the promising results in the current patient population, recent studies have been conducted to evaluate the efficacy of this approach as a standard-of-care procedure.
کلیدواژه ها:
نویسندگان
Juan A Siordia
Department of Surgery, University of Arizona Medical Center, University of Arizona, ۱۵۰۱ N Campbell Ave., Tucson, AZ ۸۵۷۱۹, United States
Rinku Skaria
Department of Surgery, University of Arizona Medical Center, University of Arizona, ۱۵۰۱ N Campbell Ave., Tucson, AZ ۸۵۷۱۹, United States
Sreekumar Subramanian
Department of Surgery, University of Arizona Medical Center, University of Arizona, ۱۵۰۱ N Campbell Ave., Tucson, AZ ۸۵۷۱۹, United States
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