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经导管主动脉瓣置换

Abstract

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Bioprosthetic valve oversizing is associated with increased risk of valve thrombosis following TAVR Transcatheter Aortic Valve Replacement in Low-risk Patients With Bicuspid Aortic Valve Stenosis Considerations for Optimal Device Selection in Transcatheter Aortic Valve Replacement: A Review Early Surgery or Conservative Care for Asymptomatic Aortic Stenosis Contemporary real-world outcomes of surgical aortic valve replacement in 141,905 low-risk, intermediate-risk, and high-risk patients Increased Risk of Valvular Heart Disease in Systemic Sclerosis: An Underrecognized Cardiac Complication Frailty and Bleeding in Older Adults Undergoing TAVR or SAVR: Insights From the FRAILTY-AVR Study Transcatheter aortic-valve replacement with a self-expanding prosthesis
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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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