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Premature acute myocardial infarction in a child with nephrotic syndrome
José M P Silva1, Eduardo A Oliveira, Viviane S P Marino
1Pediatric Nephrology Unit, Department of Pediatrics, Hospital das Clínicas, Universidade Federal de Minas Gerais, Brazil.
Abstract:
We report a case of acute myocardial infarction in a nephrotic child. A 7-year-old boy with a 4-year history of steroid-unresponsive nephrotic syndrome due to mesangial proliferation disease presented with acute vomiting and chest pain. An electrocardiogram showed ST elevation and pathological Q waves in leads consistent with anterior and septal myocardial infarction. Subsequent cardiac catheterization showed no evidence of atherosclerotic coronary artery disease, and thrombotic occlusion of the anterior descending coronary artery was the likely cause of the event. Myocardial scintigraphy showed extensive myocardial damage. The child had no long history of extreme hypercholesterolemia or hypertriglyceridemia. The case suggests that children with long-lasting nephrotic syndrome may be at increased risk for ischemic cardiovascular events, due to hyperlipidemia as well as a hypercoagulability state. The literature is reviewed regarding the relationship between nephrotic syndrome and the incidence of ischemic heart disease.
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