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目的探讨有创机械通气抢救急性左心衰竭合并呼吸衰竭的疗效。方法 24例重症急性左心衰竭伴呼衰患者在常规治疗的基础上加用机械通气治疗。观察通气前后心率、呼吸频率、平均动脉压、动脉血气分析的变化及症状的改善情况。结果机械通气治疗后,22例病情好转,2例死亡。通气后患者的呼吸困难明显改善。通气1 h后呼吸频率、心率、平均动脉压下降(P<0.05);SaO2、PaO2明显升高(P<0.01);pH、PaCO2变化差异无统计学意义。结论对急性左心衰合并呼衰患者,机械通气治疗能有效的改善患者的症状,是抢救的有效辅助措施。
Objective To investigate the efficacy of invasive mechanical ventilation in the treatment of acute left heart failure with respiratory failure. Methods Twenty-four patients with severe acute left ventricular failure and respiratory failure were treated with mechanical ventilation on the basis of routine treatment. The changes of heart rate, respiratory rate, mean arterial pressure, arterial blood gas analysis and the improvement of symptoms before and after ventilation were observed. Results After mechanical ventilation, 22 cases improved and 2 died. Breathing of patients after ventilation significantly improved. Respiratory rate, heart rate and mean arterial pressure decreased after 1 h of ventilation (P <0.05), while SaO2 and PaO2 increased significantly (P <0.01). There was no significant difference between pH and PaCO2. Conclusion For acute left heart failure patients with respiratory failure, mechanical ventilation can effectively improve the symptoms of patients is an effective rescue measures.