ArticleCirculation. Cardiovascular imaging2025
Characterization of Aortic Valve Stenosis by CT Angiography in a Diverse US Cohort.
Article in Circulation. Cardiovascular imaging, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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Who cites it
2 citing papers in PubMed.
- Aortic Valve Calcification Across Aortic Stenosis Subtypes According to Gradient and Flow: Insights from a Single-Center Transcatheter Aortic Valve Implantation Cohort with 2-Year Mortality Outcomes.Journal of clinical medicine · 2026Article
- Manufacturing 3D aortic root models for in vitro assessment of calcific aortic valve stenosis.Annals of biomedical engineering · 2026Article
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Authors and funding
24 authors.
Funding
Abstract
backgroundAortic stenosis (AS) involves calcific and fibrotic degeneration of the valve tissue. The only noninvasive method for evaluating both processes is contrast-enhanced computed tomography angiography. We aimed to explore the differences in aortic valve (AV) tissue composition across sex, race/ethnicity, and AS hemodynamic phenotype in US patients referred for transcatheter AV replacement planning.
methodsWe retrospectively analyzed symptomatic patients with AS who underwent computed tomography angiography for transcatheter AV replacement planning between 2015 and 2022. Using semi-automated software, we quantified the AV tissue composition by fibrotic, calcific, and fibro-calcific volumes, and the fibro-calcific ratio (fibrotic/calcific volume) as a measure of valve phenotype.
resultsThe study included 651 patients (mean age 84 years; 55% women) with 38% non-Hispanic (NH)-White, 27% Hispanic, and 13% NH-Black. Women had lower fibro-calcific (230 versus 293 mm³/cm²;
conclusionsPhenotypic differences in computed tomography angiography valve tissue composition exist in patients with AS referred for transcatheter AV replacement, with women and low-gradient AS showing a proportionally more fibrotic phenotype. NH-White women have the highest fibrotic tissue composition, and no differences are evident among men.
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