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Revista Colombiana de Cardiología

versão impressa ISSN 0120-5633

Resumo

CARMONA GARCIA, Paula et al. Minimally-invasive mitral valve surgery via right thoracotomy is a safe an efficient procedure in the short and long term. Cohort study adjusted by propensity score matching. Rev. Colomb. Cardiol. [online]. 2016, vol.23, n.6, pp.535-544.  Epub 28-Maio-2016. ISSN 0120-5633.  https://doi.org/10.1016/j.rccar.2016.04.005.

Introduction:

Minimally-invasive mitral valve cardiac surgery has become increasingly popular. The objective of this study is to assess morbidity and efficiency of the technique in the médium run in an initial series.

Material and methods:

212 patients underwent mitral valve surgery between 2009 and 2013; 44 with minimally-invasive thoracotomy and 168 via median sternotomy. Statistical pairing was conducted to obtain the control group by means of logistic regression and propensity score matching considering the main risk variables. Morbidity and repair or replacement quality were registered. A univariate and multivariate analysis was carried out for an event comprising morbidity and mortality, efficiency and blood component requirements.

Results:

Each group included 44 patients. Average follow-up time was 26.6 (14.6) and 28.4 (1.1) months in the study group and control group respectively. Mitral valve repair was performed in 70.5% of patients in the study group and in 68.2% of patients in the control group. No differences were found in perioperative morbidity and mortality. The number of patients who developed moderate or severe mitral insufficiency during follow-up was 9.1% in the study group and 11.4% in the control group (p = 1.0). Minimally-invasive surgery was an independent predictor for lower transfusion in both the univariate and multivariate analyses.

Conclusion:

Minimally-invasive surgery is not inferior to sternotomy in hospital morbidity or in the quality of surgical technique in an initial program.

Palavras-chave : Minimally-invasive cardiac surgery; Mitral valve disease; Mitral repair; Morbidity.

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