Objective:To explore the half-effective dose(ED_(50))of remazolam toluenesulfonate combined with subthreshold amounts of esketamine for inhibiting cardiovascular response to tracheal intubation in elderly patients.Met...Objective:To explore the half-effective dose(ED_(50))of remazolam toluenesulfonate combined with subthreshold amounts of esketamine for inhibiting cardiovascular response to tracheal intubation in elderly patients.Method:We included 42 patients,aged 65-75,who required general anesthesia and single-lumen endotracheal intubation for elective surgery.The first patient was administered remazolam toluenesulfonate at a dose of 0.20 mg/kg.Once the patient lost consciousness,their alertness/sedation score(OAA/S score)was≤1,and their BIS score was≤60,and a subthreshold dose(0.3 mg/kg)of esketamine was given.The subsequent doses were adjusted using a sequential approach based on the cardiovascular response to tracheal intubation observed in the previous patient.The dose was modified in increments or decrements of 0.01 mg/kg.The ED_(50)and 95%CI of remazolam toluenesulfonate were calculated using the Dixon and Massey sequential distribution test method.Result:The inhibition of endotracheal intubation response was positively correlated with the dose of remazolam toluenesulfonate,and the depth of sedation could not be achieved when the amount was≤0.22 mg/kg.The ED_(50)of remazolam toluenesulfonate combined with a subthreshold dose of esketamine in inhibiting cardiovascular response to tracheal intubation in elderly patients was 0.30(0.28,0.33)mg/kg.There was no statistically significant difference in blood pressure between the induction of anesthesia and before the operation.Conclusion:When compounded with 0.3 mg/kg esketamine,the ED_(50)of Remazolam toluenesulfonate in inhibiting cardiovascular response to endotracheal intubation in elderly patients was 0.30 mg/kg(95%CI0.28-0.33 mg/kg).展开更多
目的系统评价艾司氯胺酮与苯磺酸瑞马唑仑联合使用对内镜逆行胰胆管造影术(ERCP)患者的影响。方法检索中国知网、维普、万方、PubMed、Web of science、Embase及Cochrance图书馆的数据库,从建库到2023年3月发表的艾司氯胺酮联合苯磺酸...目的系统评价艾司氯胺酮与苯磺酸瑞马唑仑联合使用对内镜逆行胰胆管造影术(ERCP)患者的影响。方法检索中国知网、维普、万方、PubMed、Web of science、Embase及Cochrance图书馆的数据库,从建库到2023年3月发表的艾司氯胺酮联合苯磺酸瑞马唑仑用于ERCP的随机对照试验(RCTs)。试验组采用艾司氯胺酮复合苯磺酸瑞马唑仑的麻醉方案,对照组采用其他静脉麻醉药物联合使用方案。由互不关联的2名研究者根据纳入排除标准对文献进行仔细筛选,使用Review Manager 5.4软件进行统计分析。结果纳入6项RCTs,共532例患者。与其他麻醉药物联合使用方案比较,艾司氯胺酮联合苯磺酸瑞马唑仑组患者发生低血压、呼吸抑制等不良事件的概率更低(RR=0.29,95%CI 0.17~0.50;RR=0.18,95%CI 0.08~0.38)。结论采用艾司氯胺酮联合苯磺酸瑞马唑仑能减少患者ERCP中的不良事件发生概率,是一种更平稳、安全的麻醉方法。展开更多
文摘Objective:To explore the half-effective dose(ED_(50))of remazolam toluenesulfonate combined with subthreshold amounts of esketamine for inhibiting cardiovascular response to tracheal intubation in elderly patients.Method:We included 42 patients,aged 65-75,who required general anesthesia and single-lumen endotracheal intubation for elective surgery.The first patient was administered remazolam toluenesulfonate at a dose of 0.20 mg/kg.Once the patient lost consciousness,their alertness/sedation score(OAA/S score)was≤1,and their BIS score was≤60,and a subthreshold dose(0.3 mg/kg)of esketamine was given.The subsequent doses were adjusted using a sequential approach based on the cardiovascular response to tracheal intubation observed in the previous patient.The dose was modified in increments or decrements of 0.01 mg/kg.The ED_(50)and 95%CI of remazolam toluenesulfonate were calculated using the Dixon and Massey sequential distribution test method.Result:The inhibition of endotracheal intubation response was positively correlated with the dose of remazolam toluenesulfonate,and the depth of sedation could not be achieved when the amount was≤0.22 mg/kg.The ED_(50)of remazolam toluenesulfonate combined with a subthreshold dose of esketamine in inhibiting cardiovascular response to tracheal intubation in elderly patients was 0.30(0.28,0.33)mg/kg.There was no statistically significant difference in blood pressure between the induction of anesthesia and before the operation.Conclusion:When compounded with 0.3 mg/kg esketamine,the ED_(50)of Remazolam toluenesulfonate in inhibiting cardiovascular response to endotracheal intubation in elderly patients was 0.30 mg/kg(95%CI0.28-0.33 mg/kg).
