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- W4380793395 abstract "Background: Left atrium enlargement is the marker of increased left ventricular (LV) filling pressure and morphological indicator of chronically increased hemodynamic burden. However, the potential utility and clinical significance of left atrial volume (LAV) index in asymptomatic moderate aortic stenosis (AS) patients have been unknown. Therefore, we assessed the impact of LAV index on cardiovascular events in asymptomatic moderate AS patients. Methods: We retrospectively analyzed 549 patients (mean age 79±13 years) with asymptomatic moderate AS (mean transaortic pressure gradient 20 to 39 mmHg) and LVEF ≥50 %. Cardiovascular events were defined as cardiovascular death or admission for heart failure (HF). Results: During a follow-up period (median, 1301 days; range, 296 to 2179 days), 216 patients underwent aortic valve replacement (AVR) or balloon aortic valvuloplasty (BAV), and 132 HF admission and 37 cardiovascular deaths occurred. In the multivariable analysis, LAV index, lateral E/e′, and peak tricuspid regurgitation velocity were independent predictors of cardiovascular events (Hazard ratio (HR) 1.07 [1.05 to 1.09]; HR 1.04 [1.00 to 1,08]; HR 1.04 [1.00 to 1.07], respectively) after adjusting for age, female, body mass index, previous myocardial infarction, atrial fibrillation, chronic kidney disease, chronic obstructive pulmonary disease, moderate mitral regurgitation, E velocity, LV hypertrophy, and surgical or transcatheter AVR or BAV. LAV index of 27 mL/m 2 was the optimal cutoff value for predicting cardiovascular events with sensitivity of 89% and specificity of 60% and C-statistics for LAV index demonstrated superiority to lateral E/e′ and peak tricuspid regurgitation velocity ( P <0.001) (Figure). Conclusion: LAV index is an important predictor for cardiovascular events in asymptomatic moderate AS patients." @default.
- W4380793395 created "2023-06-16" @default.
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- W4380793395 date "2022-11-08" @default.
- W4380793395 modified "2023-09-24" @default.
- W4380793395 title "Abstract 10747: Left Atrial Volume Index is Associated With New-Onset Heart Failure Admission and Cardiovascular Death in Patients With Asymptomatic Moderate Aortic Stenosis" @default.
- W4380793395 doi "https://doi.org/10.1161/circ.146.suppl_1.10747" @default.
- W4380793395 hasPublicationYear "2022" @default.
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