ArticleJournal of cardiovascular echography
Differential Impact of Transcatheter and Surgical Aortic Valve Replacement on Right Ventricular Function: A Prospective Cohort Study.
Article in Journal of cardiovascular echography. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Background: Right ventricular (RV) function is an important determinant of outcomes in patients with aortic stenosis (AS) undergoing valve replacement. While transcatheter aortic valve replacement (TAVR) has emerged as an alternative to surgical aortic valve replacement (SAVR), comparative data on RV remodeling in the Indian population remain limited. Objective: The objective of the study was to evaluate echocardiographic changes in RV function following SAVR and TAVR. Methods: We conducted a prospective cohort study at a tertiary cardiac center in India between January and December 2024. One hundred consecutive patients with severe AS underwent echocardiography at baseline, immediately postprocedure, and at 6-9-month follow-up. RV function was assessed using tricuspid annular plane systolic excursion (TAPSE), tissue Doppler-derived S', and RV fractional area change (RVFAC), alongside left-sided and hemodynamic parameters. Results: After TAVR, RV function indices remained stable (TAPSE: 18.3 vs. 18.1 vs. 18.3 mm; S': 10.6 vs. 10.6 vs. 10.8 cm/s; RVFAC: 39.2% vs. 39.0% vs. 40.0%; all Conclusions: SAVR is associated with significant perioperative RV dysfunction that remains incompletely reversible, whereas TAVR preserves RV performance while achieving equivalent hemodynamic benefits. Incorporating RV assessment into preprocedural planning and follow-up may enhance patient selection and postoperative care.
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