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目的观察有创机械通气对重症急性左心衰竭患者呼吸、循环功能的影响。方法回顾性分析34例经有创机械通气治疗的重症急性左心衰患者机械通气治疗前后心率、呼吸频率、血压、血气分析变化。结果机械通气治疗2 h后,患者血气分析指标较治疗前显著好转,血压下降;23例患者成功撤机病情好转,总有效率67.6%。结论机械通气能有效纠正重症急性左心衰竭患者的低氧血症,并积极进行容量治疗,提高救治的成功率。
Objective To observe the effects of invasive mechanical ventilation on respiration and circulatory function in patients with severe acute left heart failure. Methods The changes of heart rate, respiratory rate, blood pressure and blood gas in 34 patients with severe acute left heart failure treated by mechanical ventilation were retrospectively analyzed. Results After 2 hours of mechanical ventilation, the indexes of blood gas analysis of patients improved significantly compared with that before treatment, and blood pressure decreased. The success of weaning in 23 patients was improved, the total effective rate was 67.6%. Conclusion Mechanical ventilation can effectively correct hypoxemia in patients with severe acute left heart failure, and actively carry out capacity therapy to improve the success rate of treatment.