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  • Title: Percutaneous closure of postinfarction ventricular septal defect: in-hospital outcomes and long-term follow-up of UK experience.
    Author: Calvert PA, Cockburn J, Wynne D, Ludman P, Rana BS, Northridge D, Mullen MJ, Malik I, Turner M, Khogali S, Veldtman GR, Been M, Butler R, Thomson J, Byrne J, MacCarthy P, Morrison L, Shapiro LM, Bridgewater B, de Giovanni J, Hildick-Smith D.
    Journal: Circulation; 2014 Jun 10; 129(23):2395-402. PubMed ID: 24668286.
    Abstract:
    BACKGROUND: Postinfarction ventricular septal defect carries a grim prognosis. Surgical repair offers reasonable outcomes in patients who survive a healing phase. Percutaneous device implantation represents a potentially attractive early alternative. METHODS AND RESULTS: Postinfarction ventricular septal defect closure was attempted in 53 patients from 11 centers (1997-2012; aged 72±11 years; 42% female). Nineteen percent had previous surgical closure. Myocardial infarction was anterior (66%) or inferior (34%). Time from myocardial infarction to closure procedure was 13 (first and third quartiles, 5-54) days. Devices were successfully implanted in 89% of patients. Major immediate complications included procedural death (3.8%) and emergency cardiac surgery (7.5%). Immediate shunt reduction was graded as complete (23%), partial (62%), or none (15%). Median length of stay after the procedure was 5.0 (2.0-9.0) days. Fifty-eight percent survived to discharge and were followed up for 395 (63-1522) days, during which time 4 additional patients died (7.5%). Factors associated with death after postinfarction ventricular septal defect closure included the following: age (hazard ratio [HR]=1.04; P=0.039), female sex (HR=2.33; P=0.043), New York Heart Association class IV (HR=4.42; P=0.002), cardiogenic shock (HR=3.75; P=0.003), creatinine (HR=1.007; P=0.003), defect size (HR=1.09; P=0.026), inotropes (HR=4.18; P=0.005), and absence of revascularization therapy for presenting myocardial infarction (HR=3.28; P=0.009). Prior surgical closure (HR=0.12; P=0.040) and immediate shunt reduction (HR=0.49; P=0.037) were associated with survival. CONCLUSIONS: Percutaneous closure of postinfarction ventricular septal defect is a reasonably effective treatment for these extremely high-risk patients. Mortality remains high, but patients who survive to discharge do well in the longer term.
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