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目的：探讨门冬氨酸钾镁在老年人手术麻醉中对心血管系统的作用及影响。方法：选择５０例需行手术治疗的老年病人，术前静脉点滴门冬氨酸钾镁液５０ｍｌ，用药前后抽血查电解质及观察循环功能指标。结果：用药前后电解质无明显变化，血压、心率、血氧饱和度无明显波动，术前有心律失常的病人，用药后８５．７１％心律失常消失，心律稳定。结论：门冬氨酸钾镁确有良好的抗心律失常的作用，能有效地预防和治疗手术麻醉中出现的老年人心血管急症
Objective: To investigate the effect of potassium and magnesium aspartate on cardiovascular system in elderly anesthesia. Methods: A total of 50 elderly patients undergoing surgical treatment were selected. 50ml of potassium magnesium aspartate solution was preoperatively administered intravenously. Blood samples were drawn for electrolyte testing before and after treatment and functional indexes were observed. Results: There was no obvious change of electrolytes before and after treatment. The blood pressure, heart rate and blood oxygen saturation did not fluctuate significantly. Before the operation, 85.71% arrhythmia disappeared and the heart rhythm was stable. Conclusion: Potassium and magnesium aspartate do have a good anti-arrhythmic effect, which can effectively prevent and treat cardiovascular emergencies in elderly patients during surgical anesthesia