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本研究的目的是探讨硝苯吡啶对心衰的血液动力学效果。 8例正常窦性心律的慢性心衰患者,年龄为31～64岁,男女各4人。血液动力学测量:采用常规心导管术或Swam-Gang导管连续测量肺动脉与压心输出量。体动脉和肺动脉压及心室内压力用Hewlett-Packard 1280c压力传感器进行测量。测量用药前(对照)和舌下含化20mg硝苯吡啶后10～30分钟的
The purpose of this study was to investigate the hemodynamic effects of nifedipine on heart failure. Eight patients with normal sinus rhythm of chronic heart failure, aged 31 to 64 years, 4 men and women each. Hemodynamic measurements: Continuous pulmonary artery and cardiac output was measured using conventional cardiac catheterization or Swam-Gang catheterization. Arterial and pulmonary arterial pressure and ventricular pressure were measured with a Hewlett-Packard 1280c pressure sensor. Measurements were taken 10-30 minutes prior to dosing (control) and sublingual 20 mg nifedipine