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二尖瓣闭锁是罕见的一组先天性心血管畸形。是左心发育不全综合征的常见类形之一。临床诊断困难,近20年来国内罕见报告。
Mitral valve atresia is a rare group of congenital cardiovascular malformations. Is one of the common forms of hypoplastic left heart syndrome. Clinical diagnosis difficult, nearly 20 years of rare domestic reports.