نتایج جستجو برای: aortic valve replacement
تعداد نتایج: 274200 فیلتر نتایج به سال:
BACKGROUND Significant mitral regurgitation in patients undergoing transcatheter aortic valve replacement (TAVR) is associated with increased mortality. The aim of this study is to determine if surgical correction of both aortic and mitral valves in high risk patients with concomitant valvular disease would offer patients better outcomes than TAVR alone. METHODS A retrospective analysis of 43...
BACKGROUND The objective was to evaluate the effects of aortic annulus size on valve hemodynamics and clinical outcomes in those patients included in the Placement of Aortic Transcatheter Valves (PARTNER) randomized controlled trial cohort A and the nonrandomized continued access cohort. METHODS AND RESULTS Patients included the randomized controlled trial (n=574) and nonrandomized continued ...
Abstract Background: Balloon valvuloplasty uses for treatment of aortic stenosis from 20 years ago. Regarding loss of information about results of balloon valvuloplasty of hereditary aortic stenosis, this study was done to determine prognosis and complication of balloon valvuloplasty during last 10 years. Methods: This study was done on existing data of all children with hereditary aortic...
background: about half of all patients who undergo mitral valve surgery suffer from atrial fibrillation (af). cox described the surgical cut-and-sew maze procedure, which is an effective surgical method but has some complications. this study was designed to evaluate the efficacy of a substitution method of radiofrequency ablation (rfa) for patients undergoing mitral valve surgery with af. metho...
Background EuroSCORE has been proposed to identify patients at high risk for surgical aortic valve replacement and estimate for them the risk-benefit of percutaneous implantation. However, it has been clearly demonstrated that this system overestimates mortality, particularly in the elderly population undergoing surgery for aortic valve replacement. An actualized model called EuroSCORE II has b...
Transcatheter aortic valve replacement (TAVR) was approved in the United States in late 2011, providing a critically needed alternative therapy for patients with severe aortic stenosis previously refused surgical aortic valve replacement (SAVR). Over 20,000 TAVR have been performed in patients worldwide since 2002 when Alain Cribier performed the first-in-man TAVR. This paper reviews the data f...
BACKGROUND Whether minimally diseased aortic valves should be replaced during other necessary cardiac operations remains controversial. Part of the decision-making process in that issue revolves around the risks of subsequent aortic valve replacement. This study evaluated the results of aortic valve replacement in patients following prior cardiac surgery. METHODS From February, 1984 through D...
We describe the case of a 69 year-old woman with a dilated ascending aorta, who presented with aortic valve regurgitation due to a quadricuspid aortic valve (QAV). There are only a few reports in the literature describing aortic replacement and subsequent aortic valve replacement for a malfunctioning QAV. We discuss the pathogenesis of the dilated ascending aorta in this patient and the indicat...
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