Effect of remimazolam on anesthetic efficacy of painless bronchoscopy in elderly patients
Objective To investigate the effect of remimazolam on anesthetic effect and postoperative cognitive function during painless bronchoscopy in elderly patients.Methods A total of 90 patients with painless bronchoscopy admitted to Wenzhou People's Hospital were selected.And randomly dividing into 45 patients in control group,45 patients in observation group.The control group was given propofol,and the observation group was given remimazolam.Mean arterial pressure(MAP),heart rate(HR),and blood oxygen saturation(SpO2)were monitored.Effective time after induction,recovery time after withdrawal and discharge time were compared.Patient's cognitive function was assessed using the mini-mental state examination(MMSE),auditory word learning test(AVLT),shape connection test(STT),and animal language fluency test(AFT).Enzyme linked immunosorbent assay(ELISA)was used to determine substance P(SP),C-reactive protein(CRP),noradrenaline(NE),tumor necrosis factor-α(TNF-α)in serum,interleukin(IL)-6 and prostaglandin E2(PGE2)concentrations.Results Compared with the control group,the MAP of the observation group patients at time points T2 and T3 showed statistically significant differences(P<0.05);HR was especially significant at T2,T3 and T6 periods(P<0.05).SpO2 at T2 and T3(P<0.05).The awakening time,discharge time of the observation were shorter than control(P<0.05).At 1 day after surgery,the MMSE score,STT score,AFT score were significantly higher(P<0.05);The serum levels of SP,PGE2 and NE and IL-6,TNF-α and CRP were decreased in the control(P<0.05).The incidence of adverse reactions was 17.78％in control group and 8.89％in observation group(χ2=7.654,P=0.031).Conclusion Remazolam is used in painless bronchoscopy in elderly patients,intraoperative hemodynamics is stable,having little impact on postoperative cognitive function,and inhibits the release of inflammatory factors and the secretion of pain mediators,which is worthy of clinical use.
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