Transcatheter aortic valve implantation versus surgical aortic valve replacement in low-risk patients: a propensity score-matched analysis
2019
OBJECTIVES: The aim of the study was to determine the differences in outcomes of surgical aortic valve replacement (SAVR) and transcatheter aortic valve implantation (TAVI) in low-risk patients. METHODS: All patients with a logistic EuroSCORE II /= moderate (0.0 vs 7.0%, P = 0.017) were higher in TAVI patients. No difference was found regarding postoperative effective orifice area and transvalvular pressure gradients. Although, the 1-year survival was similar between both groups; 3- and 5-year survival was significantly inferior in the TAVI patient cohort. CONCLUSIONS: TAVI yielded similar short-term outcomes compared with SAVR despite higher rates of permanent pacemaker implantation and paravalvular leakage >/= moderate, but inferior long-term survival. Poorer long-term outcomes of the TAVI patient cohort were attributable to a more comorbid TAVI population. This emphasizes the need for long-term results from randomized controlled trials before TAVI can be broadly expanded to younger low-risk patients.
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