Longitudinal Outcomes of Patients with Aortic Stenosis Stratified by Sex: An Asian Perspective.

IF 2.4 4区 医学 Q2 CARDIAC & CARDIOVASCULAR SYSTEMS Journal of Cardiovascular Development and Disease Pub Date : 2025-01-19 DOI:10.3390/jcdd12010032
Joy Y S Ong, Aloysius S T Leow, Chun Yi Ng, Poay Huan Loh, Swee Chye Quek, William K F Kong, Tiong Cheng Yeo, Ching Hui Sia, Kian Keong Poh
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Abstract

Background: Severe aortic stenosis (AS) stratified by sex has been increasingly studied in the European population. Sex-specific outcomes in Asian patients with AS remain poorly defined. Hence, we aimed to study the clinical characteristics and impact of sex in moderate-to-severe AS, undergoing both invasive and conservative interventions in an Asian cohort over 10 years.

Methods: Consecutive data with echocardiographic diagnoses of AS were stratified according to gender in a tertiary academic center between 2011 and 2021. Demographics, comorbidities, and clinical outcomes were compared.

Results: Seven hundred and three (703) patients were included (56%, n = 397 were female). Calcific AS was the dominant etiology in both genders. Females had higher incidences of anemia (p < 0.001) and chronic kidney disease (p = 0.026); although, females had lower incidences of cardiovascular complications of coronary artery disease (CAD) (p = 0.002) and prior acute myocardial infarction (AMI) (p = 0.015). Echocardiographically, females had a smaller left ventricular outflow tract diameter (LVOTd) (p < 0.001), LV mass (p < 0.001), and left ventricle end diastolic volume (LVEDV) (p < 0.001). Conversely, the left atrial (LA) area (p < 0.001) and volume index (LAVI) (p < 0.001) were larger in females. Females had higher average E/e' (p = 0.010) ratios compared to males. The mean follow-up duration between genders was 4.1 ± 3.3 years. Upon univariate analysis, a greater proportion of female AS patients encountered cardiovascular (CV) hospitalization during follow-up (female: 27.5%, n = 109 vs. male: 18.3%, n = 56; p = 0.005) compared to male patients, but there were no significant differences for the outcomes of heart failure (p = 0.612), stroke (p = 0.664), and all-cause mortality (p = 0.827). Fewer females underwent aortic valve (AV) intervention compared to males (21.2% vs. 27.8%, p = 0.042), albeit with a longer duration to AV intervention (3.6 years ± 2.4 vs. 2.6 years ± 2.3, p = 0.016). In the severe AS cohort, female sex remained an independent predictor for subsequent heart failure (aHR 2.89, 95% CI 1.01-8.29, p = 0.048) and CV hospitalization (aHR 20.0, 95% CI 1.19-335, p = 0.037) after adjustments for age, ethnicity, body mass index (BMI), comorbidities, left ventricular ejection fraction (LVEF), and AV intervention.

Conclusions: There was no difference in heart failure, stroke, and all-cause mortality outcomes between male and female Asian patients with moderate-to-severe AS. However, there were more cardiovascular hospitalizations, with fewer and longer duration to AV intervention in females compared to males in our cohort.

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来源期刊
Journal of Cardiovascular Development and Disease
Journal of Cardiovascular Development and Disease CARDIAC & CARDIOVASCULAR SYSTEMS-
CiteScore
2.60
自引率
12.50%
发文量
381
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