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Sex-related differences in clinical presentation and outcome of transcatheter aortic valve implantation for severe aortic stenosis.

Abstract：

OBJECTIVES:The purpose of this study was to clarify the impact of sex-related differences in transcatheter aortic valve implantation (TAVI) for high-risk patients with severe aortic stenosis. BACKGROUND:Although TAVI is becoming a mature technique, the impact of sex differences remains unclear. METHODS:The TAVI patients were included prospectively in a dedicated database from October 2006. The proportion of women (n = 131) was similar to that of men (n = 129). The Edwards valve (85.4%) and CoreValve (14.6%) were used through the transfemoral (65.0%), subclavian (3.1%), or transapical (31.9%) approach. All events were defined according to Valve Academic Research Consortium criteria. RESULTS:Age was similar (83.1 ± 6.3 years), but women had less coronary and peripheral disease, less previous cardiac surgery, higher ejection fraction, and lower EuroSCORE (European System for Cardiac Operative Risk Evaluation [22.3 ± 9.0% vs. 26.2 ± 13.0%, p = 0.005]). Minimal femoral size (7.74 ± 1.03 mm vs. 8.55 ± 1.34 mm, p < 0.001), annulus size (20.9 ± 1.4 vs. 22.9 ± 1.7 mm, p < 0.001), and valve size (23.9 ± 1.6 mm vs. 26.3 ± 1.5 mm, p < 0.001) were smaller in women. Device success was similar (90.8% vs. 88.4%, p = 0.516) despite more frequent iliac complications (9.0% vs. 2.5%, p = 0.030). Residual mean aortic pressure gradient (11.6 ± 4.9 vs. 10.9 ± 4.9, p = 0.279) was also similar. The 1-year survival rate was higher for women, 76% (95% confidence interval: 72% to 80%), than for men, 65% (95% confidence interval: 60% to 69%); and male sex (hazard ratio: 1.62, 95% confidence interval: 1.03 to 2.53, p = 0.037) was identified as a predictor of midterm mortality by Cox regression analysis. CONCLUSIONS:Female sex is associated with better baseline clinical characteristics and improved survival, and is identified as a predictor of midterm survival after TAVI.

journal_name

J Am Coll Cardiol

journal_title

Journal of the American College of Cardiology

authors

Hayashida K,Morice MC,Chevalier B,Hovasse T,Romano M,Garot P,Farge A,Donzeau-Gouge P,Bouvier E,Cormier B,Lefèvre T

doi

10.1016/j.jacc.2011.10.877

subject

Has Abstract

pub_date

2012-02-07 00:00:00

pages

566-71

issue

eissn

0735-1097

issn

1558-3597

pii

S0735-1097(11)04917-5

journal_volume

pub_type

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Sex-related differences in clinical presentation and outcome of transcatheter aortic valve implantation for severe aortic stenosis.