Conservative Versus Surgical Therapy in Patients With Infective Endocarditis and Surgical Indication—Meta‐Analysis of Reconstructed Time‐to‐Event Data
Abstract
Background Infective endocarditis represents a life‐threatening disease with high mortality rates. A fraction of patients receives exclusively conservative antibiotic treatment due to their comorbidities and high operative risk, despite fulfilling criteria for surgical therapy. The aim of the present study is to compare outcomes in patients with infective endocarditis and indication for surgical therapy in those who underwent or did not undergo valve surgery. Methods and Results Three databases were systematically assessed. A pooled analysis of Kaplan–Meier–derived reconstructed time‐to‐event data from studies with longer follow‐up comparing conservative and surgical treatment was performed. A landmark analysis to further elucidate the effect of surgical intervention on mortality was carried out. Four studies with 3003 patients and median follow‐up time of 7.6 months were included. Overall, patients with an indication for surgery who were surgically treated had a significantly lower risk of mortality compared with patients who received conservative treatment (hazard ratio [HR], 0.27 [95% CI, 0.24–0.31], P<0.001). The survival analysis in the first year showed superior survival for patients who underwent surgery when compared with those who did not at 1 month (87.6% versus 57.6%; HR, 0.31 [95% CI, 0.26–0.37], P<0.01), at 6 months (74.7% versus 34.6%) and at 12 months (73.3% versus 32.7%). Conclusions Based on the findings of this study‐level meta‐analysis, patients with…
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