Sudden unexpected death in children with congenital heart disease. |
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Authors: | P Thornback R S Fowler |
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Institution: | University of Toronto, Faculty of Medicine, ON. |
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Abstract: | Of 18,000 children with organic heart disease evaluated at The Hospital for Sick Children, Toronto between 1940 and 1971, 33 died suddenly and unexpectedly between 1 and 21 years of age. Nine had discrete obstruction of the left ventricular outflow tract and five had muscular narrowing of the left ventricular outflow tract and five had muscular narrowing of the left ventricular outflow tract. Pulmonary vascular disease caused seven sudden deaths, and arrhythmias (usually due to atrioventricular block) caused seven more. Of the five other children who died suddenly three had transposition of the great arteries, one had a complex cyanotic heart defect and one had an anomalous course of the left coronary artery, which originated from the right sinus of Valsalva. With earlier investigation of aortic stenosis, earlier closure of ventricular septal defect to avoid pulmonary vascular disease, better design of artificial pacemakers and better investigation of patients with angina, many of these deaths will be avoided in the future. |
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