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1958年至1969年间592例肺动脉瓣狭窄(PS)曾进行第一次先心病自然史随访分析(NHS-1),15年后于1985年开始对这一组病例作第二次先心病自然史分析(NHS-2)以评价PS治疗的远期效果。结果NHS-1期间592例均经右心导管术测压判断PS的程度并决定治疗方案,跨瓣压差<6.67kPa者行非手术治疗,≥10.67kPa者作肺动脉瓣交界切开术,而压差6.77～10.5kPa的68例手术和非手术治疗各34例。
592 cases of pulmonary valve stenosis (PS) between 1958 and 1969 had the first natural history follow-up analysis (NHS-1) of congenital heart disease, and 15 years later, in 1985, the first natural history of congenital heart disease Analysis (NHS-2) to assess the long-term effect of PS treatment. Results During the NHS-1 period, 592 patients underwent right heart catheterization to determine the degree of PS and to determine the treatment regimen. Non-surgical treatment of transvalvular pressure <6.67kPa and pulmonary artery valve cut-over of ≥10.67kPa were performed The pressure difference between 6.77 ~ 10.5kPa in 68 cases of surgical and non-surgical treatment of 34 cases.