ArticleHeart and vessels2025
Scoring of cardiac damage evaluated by echocardiography predicts prognosis of patients with severe aortic stenosis undergoing transcatheter aortic valve implantation: analysis of the LAPLACE-TAVI registry.
Article in Heart and vessels, 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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21 authors.
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Abstract
Transcatheter aortic valve implantation (TAVI) has become available for elderly patients with aortic stenosis (AS). However, no markers have been established to predict prognosis after TAVI. Cardiac damage caused by AS progresses sequentially in most cases through the left ventricle, left atrium, and right ventricle. However, cardiac damage does not always progress sequentially. This study examined whether the burden of cardiac damage assessed by echocardiography predicts prognosis in patients with severe AS who underwent TAVI. We assessed patient data from a multicenter TAVI registry involving seven hospitals in Japan. Among 1,850 patients with severe AS, patients with preserved LV ejection fraction were included. We performed echocardiography before TAVI in 1,285 patients. The primary endpoint was cardiovascular (CV) events including CV deaths and rehospitalizations for heart failure. During a median follow-up of 741 days, 76 CV events occurred. A multivariate Cox-proportional hazards analysis revealed that four echocardiographic parameters, including tricuspid regurgitation pressure gradient, E/e', left atrial volume index, and left ventricular mass index were associated with CV events. We created a scoring system using these four echocardiographic parameters. The echocardiography-directed aortic stenosis score (EDA score) was computed by assigning one point each for the presence of abnormal parameters. The receiver operating characteristic curve of EDA score for CV events showed an area under the curve value of 0.74, a cutoff value of 3 points, a sensitivity value of 75%, and a specificity value of 63%. Kaplan-Meier analysis showed that CV event rates were significantly higher in patients with high EDA scores compared with those having low scores. Hazard ratio was 14.3-fold for the 3-point group and 26.6-fold for the 4-point group when compared with the 0-point group of patients. EDA score may be a feasible indicator for risk stratification in patients with severe AS who underwent TAVI.
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