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目的:观察风湿性心脏病(风心病)二尖瓣狭窄肺动脉高压围术期的转归规律。方法:风心病二尖瓣狭窄合并肺动脉高压患者37例(男11,女26),以平均肺动脉压5.33kPa为界分肺动脉高压(PH)组和严重肺动脉高压(SPH)组。应用Swan-Ganz导管和HP监护系统测定围术期血流动力学的变化。结果:PH组术后即刻及术后48h心排血指数(CI)有明显增加,平均肺动脉压(PAPm)、肺血管阻力指数(PVRI)、肺动脉楔压(PAWP)均有明显下降;SPH组有与PH组相似的变化趋势,但程度小于PH组。结论:风心病二尖瓣狭窄合并肺动脉高压患者二尖瓣置换术后早期肺血流动力学即有明显的改善。
Objective: To observe the perioperative regularity of pulmonary hypertension in patients with rheumatic heart disease (rheumatic heart disease). Methods: Thirty-seven patients (11 males and 26 females) with mitral stenosis and pulmonary hypertension were included in this study. The mean pulmonary hypertension (PH) and severe pulmonary hypertension (SPH) were defined as 5.33 kPa. Perioperative hemodynamic changes were measured using Swan-Ganz catheter and HP monitoring system. Results: The pulmonary artery index (CI) and the pulmonary arterial pressure (PAP), pulmonary vascular resistance index (PVRI) and pulmonary arterial wedge pressure (PAWP) in PH group were significantly increased immediately after operation and at 48 hours after operation. There are similar trends with the PH group, but to a lesser extent than the PH group. Conclusions: Early pulmonary hemodynamics after mitral valve replacement in patients with rheumatic mitral stenosis and pulmonary hypertension is significantly improved.