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目的观察心肌缺血患者拔牙术前应用镇静剂后对血压、心率和心电图的影响,探讨其提高术中安全性的机理。方法 120例心肌缺血患者随机分为舒乐安定组和对照组,每组60例,记录拔牙术时血压、心率和心电图的变化,进行统计分析。结果舒乐安定组拔牙术中血压和心率低于对照组(P<0.05),出现心律失常比率低于对照组(P<0.05)。结论心肌缺血患者行拔牙术时,术中血压、心率上升,心律失常的发生率较高。术前口服舒乐安定可降低术中血压、心率上升幅度及心律失常发生率,提高手术安全性。
Objective To observe the effect of sedation on the blood pressure, heart rate and electrocardiogram in patients with myocardial ischemia before extraction, and to explore the mechanism of improving the intraoperative safety. Methods A total of 120 patients with myocardial ischemia were randomly divided into two groups, 60 patients in each group. The changes of blood pressure, heart rate and electrocardiogram were recorded and analyzed statistically. Results The blood pressure and heart rate of the benazepam group during tooth extraction were lower than those of the control group (P <0.05). The arrhythmia rate was lower than that of the control group (P <0.05). Conclusions In patients with myocardial ischemia, the intraoperative blood pressure, heart rate and arrhythmia are higher during extraction. Preoperative oral administration of diazepam can reduce intraoperative blood pressure, heart rate rise and the incidence of arrhythmia, improve surgical safety.