全部病例均按照1980年全国肺心病专业会议所制定的诊断标准及病情分级。用尖吻腹蛇毒去纤酶治疗共23例(去纤酶组),男18例,女5例;肝素治疗18例作为对照组(肝素组),男13例,女5例。两组皆无出血症候。治疗方法:去纤酶组先用去纤酶0.1毫升稀释生理盐水1毫升,皮内注射0.1毫升,15分钟后无过敏者则 All cases were in accordance with the National Conference of Cor Pulmonale in 1980 set the diagnostic criteria and disease classification. There were 23 males (defibrase group), 18 males and 5 females, with heparin treatment as the control group (heparin group), 13 males and 5 females. No bleeding in both groups. Treatment: defibrase group first with defibrase 0.1 ml dilute saline 1 ml, intradermal injection of 0.1 ml, 15 minutes after no allergies then