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目的探究无创呼吸机治疗急性左心衰的临床治疗效果。方法 98例急性左心衰患者,根据随机双盲法原则分为实验组与对照组,各49例。对照组患者给予高流量吸氧、利尿剂、强心剂、硝酸甘油及吗啡等常规治疗,实验组患者在对照组基础上给予无创呼吸机进行治疗,治疗2、4 h后比较两组患者的呼吸频率、血压、心率以及血氧饱和度变化,统计两组患者临床治疗效果。结果两组患者治疗2、4 h后血压、心率、血氧饱和度以及呼吸频率指标均优于治疗前,且实验组各项指标改善情况优于对照组,差异有统计学意义(P<0.05)。实验组总有效率为95.9%,高于对照组的83.7%,差异有统计学意义(P<0.01)。结论对急性左心衰患者给予无创呼吸机联合药物治疗,可以提高患者的临床治愈率,有效改善患者呼吸困难、缺氧等临床表现,对改善患者的血压、心率、血氧饱和度具有着极其重要的临床价值。
Objective To investigate the clinical effect of noninvasive ventilator on acute left heart failure. Methods A total of 98 patients with acute left heart failure were divided into experimental group and control group according to the principle of randomized double-blind method, with 49 cases in each. Patients in the control group were given conventional therapy of high-flow oxygen, diuretics, cardiac, nitroglycerin and morphine. Patients in the experimental group were treated with noninvasive ventilator on the basis of the control group. After 2 and 4 hours of treatment, the respiratory rate , Blood pressure, heart rate and blood oxygen saturation changes, statistics of two groups of patients with clinical treatment. Results The blood pressure, heart rate, oxygen saturation and respiration rate of the two groups were better than those before treatment after 2,4 h treatment, and the improvement of each index in the experimental group was better than that of the control group (P <0.05 ). The total effective rate of the experimental group was 95.9%, which was higher than that of the control group (83.7%), the difference was statistically significant (P <0.01). Conclusion The combination of noninvasive ventilator and drug treatment in patients with acute left heart failure can improve the clinical cure rate, improve the clinical manifestations such as dyspnea and hypoxia effectively, and have the most significant effect on improving blood pressure, heart rate and oxygen saturation Important clinical value.