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经导管主动脉瓣置换

Abstract

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Transcatheter Aortic Valve Replacement in Low-risk Patients With Bicuspid Aortic Valve Stenosis Safety and efficacy of a self-expanding versus a balloon-expandable bioprosthesis for transcatheter aortic valve replacement in patients with symptomatic severe aortic stenosis: a randomised non-inferiority trial Prior Balloon Valvuloplasty Versus Direct Transcatheter Aortic Valve Replacement: Results From the DIRECTAVI Trial Incidence and Outcomes of Surgical Bailout During TAVR : Insights From the STS/ACC TVT Registry Prevalence and Outcomes of Concomitant Aortic Stenosis and Cardiac Amyloidosis Bioprosthetic valve oversizing is associated with increased risk of valve thrombosis following TAVR Association Between Diastolic Dysfunction and Health Status Outcomes in Patients Undergoing Transcatheter Aortic Valve Replacement Predictors of high residual gradient after transcatheter aortic valve replacement in bicuspid aortic valve stenosis
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Clinical Case Study2020 Nov 14;ehaa817.

JOURNAL：Eur Heart J. Article Link

Chimney technique in a TAVR-in-TAVR procedure with high risk of left main artery ostium occlusion

A Dibie, Q Landolff, A Veugeois et al. Keywords: clinical case; chimney technique; TAVR-in-TAVR procedure; left main artery ostium occlusion

ABSTRACT

An 87-year-old woman was referred to our centre for a valve-in-valve transcatheter aortic valve replacement (TAVR). She underwent a TAVR procedure with implantation of a SAPIEN XT 26 mm (Edwards Lifesciences) bioprosthesis 7 years before but subsequently developed symptomatic aortic valve failure (mean gradient = 64 mmHg).

Pre-procedural computed tomography (CT) scan identified a low height between the valvular plane and left main coronary artery (LMA) ostium equal to 2.7 mm (Panel A1). Valve simulation technique was applied: the virtual transcatheter heart valve/coronary distance was measured at 4.0 mm (Panel A2). The coronary angiography revealed no recurrent stenosis (Panel B)....

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