Abstract 4138306: Impact of Early Menopause and Hormonal Replacement Therapy on Aortic Stenosis Progressio

Background: Early menopause is associated with an increased risk of cardiovascular disease and mortality in women. The present study aimed to examine the impact of early menopause and hormonal replacement therapy (HRT) on the progression of aortic stenosis (AS). Methods: Thirty-three postmenopausal women (mean age 65 ± 10 years) with mild or moderate AS prospectively recruited in the PROGRESSA study (NCT01679431) were included in this sub-analysis. All patients underwent multidetector computed tomography and Doppler-echocardiography at least twice during follow-up to assess both anatomic and hemodynamic AS severity, based on aortic valve calcification (AVC), mean pressure gradient (MG), and aortic valve area indexed to body surface area (AVA). Annualized changes in AVC, MG and AVAi were calculated between baseline and the last follow-up. Results: Over a median follow-up of 2 [1-4] years, early menopausal women had a faster progression rate of AVC, MG, and AVAi compared to other women: (100[58-130] vs. 23[2-71] AU/year, p=0.03); (2.37[0.82-3.61] vs. 0.31[0.01-1.78] mmHg/year, p=0.04); and (-0.12[-0.23-0.002] vs. -0.004[-0.07-0.08] cm 2 /m 2 /year, p=0.08) respectively. In multivariate analysis adjusted for age, AS severity at baseline, and comorbidities, early menopause remained significantly associated with faster AVC progression (p=0.003). Moreover, after comprehensive adjustment, women who received HRT (45%) had a slower progression rate of AVC (20[10-42] AU/year vs. 62[2-100], adjusted p=0.04). Conclusion: Early menopause is associated with faster progression of AS, both anatomically and hemodynamically. However, the use of HRT is associated with slower progression of AS. Integrating female-specific risk factors, particularly menopausal history and hormonal therapy status, into the clinical management of AS could enhance patient care.