Transcatheter valve-in-valve or redo surgical mitral valve replacement, which is better in failed mitral bioprostheses?
USA: A study comparing the safety of valve-in-valve transcatheter mitral valve replacement (ViV-TMVR) and redo surgical mitral valve replacement (SMVR) found ViV-TMVR to be associated with a lower risk of complications, in-hospital mortality, and resource utilization in patients with a history of the bioprosthetic mitral valve (MV).
The study, published in EuroIntervention, found comparable 30-day and 6-month mortality and all-cause readmissions during the readmission episode in both groups.
Considering the limited data on the safety of ViV-TMVR compared with redo SMVR in patients with a history of the bioprosthetic mitral valve, Salman Zahid, Department of Medicine, Rochester General Hospital, Rochester, NY, USA, and colleagues aimed to evaluate the 30-day and 6-month, in-hospital readmission outcomes of ViV-TMVR compared with redo-SMVR in a cohort of real-world.
Working towards their objective, the researchers analyzed data from 2015 to 2019 using the Nationwide Readmission Database. The propensity-matched analysis was used to determine the adjusted odds ratio (aOR) for primary outcomes at index hospitalization, 30 days, and six months during the readmission episode. Three thousand six hundred ninety-one patients were included, of which 24.2% underwent ViV-TMVR, and 75.8% underwent redo-SMVR.
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