An elevated main pulmonary artery to ascending aorta ratio (≥ 0.76) predicted worse long-term survival exclusively in male patients undergoing TAVI (HR 1.857), showing no prognostic value in females.
Cohort (n=526)
No
Does the pulmonary artery to ascending aorta ratio assessed by CT imaging predict survival and pulmonary hypertension after TAVI in a sex-specific manner?
Sex-specific imaging assessments, specifically the pulmonary artery to ascending aorta ratio, improve risk stratification for survival after TAVI in men but not women.
Effect estimate: HR 1.857 (95% CI 1.190-2.898)
p-value: p=0.006
PH impacts TAVI outcomes, yet sex-specific radiological predictors remain insufficiently investigated. The pulmonary artery to AA ratio predicted survival in men but showed no prognostic value for women. Implementing sex-specific imaging assessments improves risk stratification in men, highlighting the need for distinct diagnostic strategies for women.
Boxhammer et al. (Tue,) conducted a cohort in Severe aortic stenosis undergoing TAVI (n=526). CT-derived main pulmonary artery to ascending aorta (MPA/AA) ratio vs. MPA/AA < 0.76 was evaluated on Overall long-term survival (all-cause mortality) (HR 1.857, 95% CI 1.190-2.898, p=0.006). An elevated main pulmonary artery to ascending aorta ratio (≥ 0.76) predicted worse long-term survival exclusively in male patients undergoing TAVI (HR 1.857), showing no prognostic value in females.