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降低肺动脉压是治疗肺心病改善心功能不全的重要措施。1989年3月～1990年11月我们应用硝苯地平加体外膈肌起搏治疗老年肺心病,用彩色多谱勒超声心动图测得肺动脉血流加速时间(PAAT),按公式计算平均肺动脉压(PAPm)。用此方法观察治疗前、治疗后胂动脉压变化。现报道如下。材料与方法使用广州电子产品技术开发公司制造的体外膈肌起搏器(EDP)-Ⅰ型。病例选择:均为男性肺心病急性期病人,共28例,
Reducing pulmonary arterial pressure is an important measure to treat pulmonary heart disease to improve cardiac insufficiency. From March 1989 to November 1990, we used nifedipine plus extracorporeal diaphragmatic pacing in the treatment of senile pulmonary heart disease. Pulmonary arterial blood flow acceleration time (PAAT) was measured by color Doppler echocardiography. The mean pulmonary arterial pressure PAPm). This method was used to observe the change of arsine arterial pressure before and after treatment. Report as follows now. MATERIALS AND METHODS In vitro Diaphragmatic pacemaker (EDP) -I type manufactured by Guangzhou Electronics Technology Development Company. Case selection: all patients with acute pulmonary heart disease in patients, a total of 28 cases,