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  • Title: Trends and Outcomes With Transcatheter Versus Surgical Mitral Valve Repair in Patients ≥80 Years of Age.
    Author: Malik AH, Zaid S, Yandrapalli S, Shetty S, Aronow WS, Ahmad H, Tang GHL.
    Journal: Am J Cardiol; 2020 Apr 01; 125(7):1083-1087. PubMed ID: 31982103.
    Abstract:
    Transcatheter mitral valve repair (TMVR) has shown comparable outcomes to surgical mitral valve replacement or repair (SMVR) in patients who are at a higher risk of surgical complications and therefore are not amenable to surgery. Elderly patients are considered poor surgical candidates due to their advanced age, and presence of comorbidities. A sub-analysis of EVEREST II (Endovascular Valve Edge-to-Edge Repair Study) trial identified patients of >70 years of age appear to have a similar risk-benefit profile for either approach of surgery or transcatheter. This finding does have some caveats considering the trial included surgical cohort with both repair and replacement. Utilizing the National Inpatient Sample, we identified a surgical cohort of ≥80 years of age that underwent mitral valve repair and used propensity matching to compare it with a similar cohort that underwent TMVR. In a well-balanced cohort, TMVR was associated with significantly lower in-patient mortality (0.7% vs 3.1%). TMVR was also associated with significantly decreased in-hospital complications such as acute kidney injury, cardiogenic shock, postoperative hemorrhage, transfusion, permanent pacemaker, and respiratory and vascular complications. Owing to this, the duration of hospital stay is approximately 6 days less with TMVR. Trend analysis has shown a paradigm shift in these elderly patients with 85% of all repairs in 2012 were performed surgically, whereas in 2016 almost 94% of all the repairs being performed via a transcatheter approach. In conclusion, in patients ≥80 years of age, the surgical MVR had 4-fold higher mortality compared to TMVR with higher cardiac, vascular, hemorrhagic and respiratory complications. Despite the limitations of being observational in nature, this data strongly supports the preferential use of the transcatheter approach for mitral valve repair in patients ≥80 years of age.
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