目的观察尼卡地平和艾司洛尔联合用药对高血压冠心病患者气管导管拔管期间心血管反应的影响。

Objective To observe the effect of combined administration of nicardipine and esmolol on cardiovascular response to tracheal extubation of patients with hypertension and coronary heart disease (CHD).

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结论在全身麻醉复合硬膜外麻醉中行早期气管拔管是安全有效的，它能减轻气管拔管时的心血管反应。

Conclusion: Early extubation under combined general and epidural anesthesia is safe and useful which can reduce the cardiovascular response and help the respiratory resuscitation of patients.

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目的观察术毕静脉注射艾司洛尔预防气管导管拔管期心血管不良反应的效果。

Objective To observe the preventive effect of esmolol on the adverse cardiovascular responses during extubation.

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