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Purpose : The incidence of subarterial ventricular septal defect(SA VSD) ranges 25-30% among oriental patients with VSDs, which is greater than 5% reported in western. Natural history of the disease is characterized by progressive aortic valve prolapse(AVP), frequently subarterial VSD, we evaluated clinical characteristics emphasizing on the incidence of AVP and the degree of AI as aging.
Methods : Study subjects... |