Abstract
This study was performed to assess long-term survival and identify risk factors for acute myocardial infarction in patients complicated with ventricular septal rupture (VSR). A retrospective analysis of 116 patients with post-infarction VSR (PI-VSR) hospitalised in Beijing Anzhen Hospital from January 2008 to February 2019 was performed. The independent risk factors for in-hospital mortality were assessed using multivariate analysis with a logistic regression model. The Kaplan-Meier method and log-rank test were carried out for long-term survival in the surgery group. The overall in-hospital mortality rate was 47.4%. Logistic regression analysis revealed that age (p<0.05), female sex (p<0.05), no surgical repair (p<0.05), liver dysfunction (p<0.05), high heart rate (p<0.05), and low platelet count (PLT; p<0.05) were independent risk factors for in-hospital mortality. The 1-year mortality rate was lower in the surgery group than in the medical treatment group (18.3% vs 84.5%; p<0.005). During the mean follow-up of 5.2±5.1 years (median, 1.3 years), the actuarial survival rates of these patients at 5 and 10 years were 72.3% and 43.2%, respectively. The overall in-hospital mortality rate remained high. The independent risk factors for in-hospital mortality associated with PI-VSR were age, female sex, no surgical repair, liver dysfunction, tachycardia, and low PLT level. The 1-year mortality and long-term outcomes of patients treated with surgery were significantly better than those of patients who were treated conservatively.
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