• Pak J Med Sci · Jan 2018

    Surgical Repair of post-infarction ventricular septal rupture: Determinants of operative mortality and survival outcome analysis.

    • Muhammad Yasir Khan, Tariq Waqar, Perisa Gul Qaisrani, Adnan Zafar Khan, Muhammad Shahrukh Khan, Haider Zaman, and Anjum Jalal.
    • Dr. Muhammad Yasir Khan, MCPS, FCPS(G.S), FCPS(C.S), MRCS. Department of Cardiac Surgery, Ch. Pervaiz Elahi Institute of Cardiology, Multan, Pakistan.
    • Pak J Med Sci. 2018 Jan 1; 34 (1): 20-26.

    Background And ObjectiveVentricular septal rupture (VSR) is one of the fatal complications of myocardial infarction (MI). Surgery provides the maximum survival benefit. Our objective was to investigate the risk factors of surgical mortality and to do the survival analysis in the past six years at our hospital.MethodsAll the patients operated at CPE Institute of Cardiology Multan Pakistan, between 2009 and 2015 for repair of post MI VSR were analysed retrospectively for demographics, comorbidities, operative and post operative outcomes. The primary outcome was 30 days mortality. The follow up was done till April 2017 and the follow up data was obtained from hospital records and by telephoning the patients. SPSS was used for statistical analysis. P value < 0.05 was considered significant.ResultsA total of 31 patients were operated for VSR repair with a mean age of 57.19±7.73 years. Eighteen patients also had a concomitant coronary artery bypass grafting (CABG). The operative mortality in this series was 25.8% Univariate analysis showed that pre-operative ejection fraction (E.F) (p value 0.010) and cardiogenic shock (p value 0.031) were a significant risk factors for operative mortality while on logistic regression analysis only the cardiogenic shock was found to be an independent risk factor for operative mortality with the odds ratio of 2.17. Low ejection fraction only acted as a confounding variable. The mean survival at six years was 34 months with a survival rate of 28.6%. The additional CABG did not confer any survival benefit.ConclusionThe patients in cardiogenic shock pre-operatively have a high operative mortality. Low ejection fraction (E.F) acts as a confounding factor. Concomitant CABG does not confer any survival benefit.

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