alexa Comparison of Percutaneous Mitral Valve Repair Versus Conservative Treatment in Severe Functional Mitral Regurgitation.
Anesthesiology

Anesthesiology

Journal of Anesthesia & Clinical Research

Author(s): Giannini C, Fiorelli F, De Carlo M, Guarracino F, Faggioni M,

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Abstract Percutaneous mitral valve repair (PMVR) using the MitraClip System is feasible and entails clinical improvement even in patients with high surgical risk and severe functional mitral regurgitation (MR). The aim of this study was to assess survival rates and clinical outcome of patients with severe, functional MR treated with optimal medical therapy (OMT) compared with those who received MitraClip device. Sixty patients treated with OMT were compared with a propensity-matched cohort of 60 patients who underwent PMVR. Baseline demographics and echocardiographic variables were similar between the 2 groups. The mean age of patients was 75 years, and 67\% were men. The median logistic EuroSCORE and EuroSCORE II were 17\% and 6\%, respectively, because of the presence of several co-morbidities. The mechanism of MR was functional in all cases with an ischemic etiology in 52\% of patients. Median left ventricle ejection fraction was 34\%. All the patients were symptomatic for dyspnea with 63\% and 12\% in the New York Heart Association class III and IV, respectively. In PMVR group, the procedure was associated with safety and very low incidence of procedural complications with no occurrence of procedural and inhospital mortality. After a median follow-up of 515 days (248 to 828 days), patients treated with PMVR demonstrated overall survival, survival freedom from cardiac death and survival free of readmission due to cardiac disease curves higher than patients treated conservatively (log-rank test p = 0.007, p = 0.002, and p = 0.04, respectively). In conclusion, PMVR offers a valid option for selected patients with high surgical risk and severe, functional MR and entails better survival outcomes compared with OMT. Copyright © 2016 Elsevier Inc. All rights reserved. This article was published in Am J Cardiol and referenced in Journal of Anesthesia & Clinical Research

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