ArticleClinical research in cardiology : official journal of the German Cardiac Society2026
Sex differences in hemodynamics and outcomes after transcatheter aortic valve replacement.
Article in Clinical research in cardiology : official journal of the German Cardiac Society, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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34 authors.
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Abstract
backgroundWomen remain underrepresented in transcatheter aortic valve replacement (TAVR) trials, despite well-recognized anatomical differences that necessitate tailored procedural strategies. This study assessed sex-specific differences in baseline characteristics, procedural approaches, hemodynamic outcomes, and their impact on 5-year all-cause mortality.
methodsWe analyzed data from 20,094 patients in the IMPPACT TAVR registry. Hemodynamic outcomes, including prosthesis-patient mismatch (PPM), were defined according to Valve Academic Research Consortium-3 criteria. Kaplan-Meier and Cox models assessed 5-year all-cause mortality, and logistic regression identified predictors of PPM.
resultsWomen comprised 49.1% of the cohort. They were older (81.4 vs. 80.2 years, p < 0.001), more symptomatic (NYHA ≥ III: 74.4% vs. 67.6%, p < 0.001), and more frequently received self-expanding valves (66.5% vs. 45.7%, p < 0.001). Post-TAVR indexed effective orifice areas were slightly larger in women (1.01 ± 0.28 vs. 0.99 ± 0.27cm
conclusionsIn this international TAVR cohort, women, despite being older, demonstrated better survival than men, with comparable postprocedural hemodynamic outcomes. Severe PPM was associated with increased mortality only in men, likely reflecting underlying comorbidities and low-flow states. After adjustment for confounders, PPM was no longer associated with survival in either sex. These findings underscore the need for strategies accounting for both procedural and patient-specific risks, beyond prosthesis hemodynamics.
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