Observational studyCatheterization and cardiovascular interventions : official journal of the Society for Cardiac Angiography & Interventions2025
Early Stroke Volume Variation After Transcatheter or Surgical Aortic Valve Replacement Predicts Clinical Outcomes in Low-Flow Aortic Stenosis.
Observational study in Catheterization and cardiovascular interventions : official journal of the Society for Cardiac Angiography & Interventions, 2025. 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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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
1 citing paper in PubMed.
- Surgical aortic valve replacement in severe left ventricular dysfunction: mortality, echocardiographic, and strain outcomes.Cardiovascular ultrasound · 2026Article
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Authors and funding
15 authors.
Funding
Abstract
backgroundLittle is known about stroke volume index (SVi) change and its prognostic implication in patients with low-flow aortic stenosis (AS) undergoing aortic valve replacement (AVR) and conflicting results are present in literature. The aim of this study was to evaluate the postoperative change in SVi and its impact on outcomes in patients with low-flow severe AS undergoing AVR.
methodsRetrospective observational study of a high-volume tertiary care center including consecutive patients with low-flow (SVi ≤ 35 mL/m
resultsOne-hundred-fifty-one patients (mean age 80 ± 8 years, 53.6% female) were included. After AVR, SVi improved by > 15% in 51 (33.8%) and normalized in 51 (33.8%) patients. At a median follow-up of 17 (7-32) months, 62 (52.6%) patients reached the primary composite endpoint. SVi improvement, but not SVi normalization, was associated with better survival free from the primary endpoint (log rank p = 0.02 and 0.056, respectively). Multivariate analysis confirmed that both SVi improvement and its absolute change per mL/m
conclusionsIn patients with low-flow AS undergoing AVR, early post-procedural SVi increase has beneficial prognostic significance. These findings highlight the importance of post-AVR hemodynamic assessment and may help refine risk stratification in this vulnerable population.
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