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Udgivet

Effect of gender on results of percutaneous edge-to-edge mitral valve repair with MitraClip system

Publikation: Bidrag til tidsskriftTidsskriftartikelForskningpeer review

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Vis graf over relationer

Knowledge regarding gender-specific results of percutaneous edge-to-edge mitral valve repair is scarce. The aim of this study was to investigate gender differences in outcomes in a cohort of patients treated with MitraClip implantation. A multicenter registry of 173 patients treated with MitraClip prostheses from 2009 to 2012 at 3 experienced centers was performed. One hundred nine patients (63%) were men. Men were younger (mean age 73 ± 10 vs 79 ± 9 years, p = 0.001) and had a higher prevalence of previous coronary bypass graft surgery (34% vs 13%, p = 0.002), previous myocardial infarction (46% vs 20%, p = 0.001), and diabetes mellitus (26% vs 11%, p = 0.020). There were no differences regarding New York Heart Association (NYHA) functional class before the intervention (NYHA class III or IV in 95% of men vs 97% of women, p = 0.472) or the cause of mitral regurgitation (MR) (functional in 58% of men vs 48% of women, p = 0.233). Men exhibited significantly larger ventricles (mean indexed left ventricular end-systolic diameter 2.4 ± 0.8 vs 2.0 ± 1.6 cm/m(2), p = 0.002, and mean indexed left ventricular end-diastolic volume 92.7 ± 46.1 vs 59.9 ± 24.6 ml/m(2), p <0.001). At 1 month, there were no differences between groups in the reduction of MR or NYHA functional class (MR grade ≤2+ in 98.2% of men vs 96.8% of women, p = 0.586, and NYHA class ≤II in 78.3% of men vs 77% of women, p = 0.851). At 6 months, results were maintained (MR grade ≤2+ in 89.5% of men vs 96.8% of women, p = 0.414, and NYHA class ≤II in 73.1% of men vs 74.2% of women, p = 0.912). After a mean follow-up period of 16.1 ± 11.1 months, no difference was found between groups in the incidence of death or admission for heart failure (log-rank p = 0.798). In conclusion, MitraClip implantation seems to be an equally safe and effective treatment of MR in men and women.

OriginalsprogEngelsk
TidsskriftThe American journal of cardiology
Vol/bind116
Udgave nummer2
Sider (fra-til)275-9
Antal sider5
ISSN0002-9149
DOI
StatusUdgivet - 15 jul. 2015

ID: 46182034