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1引言自1982年Kan等首先报道经皮球囊肺动脉瓣成形术（PBPV）治疗先天性肺动脉瓣狭窄（PS）获得成功后，国内外均有应用于婴幼儿的报道，大量研究表明它是一种安全、有效的方法，我科从1997年5月至1998年3月治疗婴幼儿PS14例，现将临床疗效及随访结果报告如下。2临床资料2·1病
1 Introduction Since Kan et al. First reported the success of percutaneous balloon pulmonary valvuloplasty (PBPV) in the treatment of congenital pulmonary stenosis (PS) in 1982, both at home and abroad have been reported in infants and young children. A large number of studies have shown that it is a A safe and effective method, our department from May 1997 to March 1998 treatment of infants and young children PS14 cases, now the clinical efficacy and follow-up results are reported as follows. 2 clinical data 2.1 disease