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Nonrheumatic Mitral Insufficiency in Children

Arch Surg. 1963;86(1):104-109. doi:10.1001/archsurg.1963.01310070106014.
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Mitral insufficiency is commonly associated with other intracardiac abnormalities. Congenital mitral insufficiency is usually seen with endocardial cushion defects. Edwards and Burchell2 described the pathologic anatomy of congential mitral insufficiency. Other authors reporting autopsy findings in mitral insufficiency are Semans and Taussig,7 Prior,6 and Kjellberg.3 The various causes given are abnormal attachment of the chordae tendineae, lack of valve substance, clefts of the valvular structures, duplication of the mitral valve, and endocardial fibroelastosis. The association of patent ductus arteriosus with mitral insufficiency has been noted by Linde and Adams.4 Mitral insufficiency as an isolated nonrheumatic lesion does not seem to be as rare as previously thought. The diagnosis can be suspected from the physical findings alone and proved by various diagnostic procedures. Surgical repair of this anomaly has been reported recently. Starkey8 described 2 patients with isolated mitral regurgitation. One small child had a


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