Effect of transcutaneous electrical acupoint stimulation on postoperative recovery of patients undergoing laryngoscopy surgery
Objective To explore the effect of transcutaneous electrical acupuncture stimulation(TEAS)on postoperative recovery after laryngoscopy surgery.Methods Patients scheduled for laryngoscopy surgery under general anesthesia,aged 18-65 years,BMI18～30 kg/m2,ASAⅠorⅡ,were randomly divided into TEAS group(T group),non-acupoint group(N group)and control group(C group).TEAS stimulation(LU7,LI18),non-acupoint stimulation,or no stimulation,respectively,were delivered continuously from 30 min before anesthesia induction till the end of surgery.Pharynx and laryngeal pain as evaluated with Bruggrmann comfort scale(BCS)was documented.The duration of surgery,anesthesia,extubation time,remifentanil dosage,propofol dosage and effect-site concentration of propofol at laryngoscope suspension were recorded in all three groups.The blood pressure and heart rate were recorded at following time points:before anesthesia induction(T1),immediately after laryngoscope suspension(T2),1 min after laryngoscope suspension(T3)and immediately after operation(T4).Adverse events of patients at 1h,2h,24h and 48h after operation were evaluated.Result No significant difference in hemodynamic parameters was found at any time point among the three groups.Extubation time of patients in group T was shorter than that in group N and group C.The dosage of remifentanil and propofol during operation and the effect-site concentration of propofol at laryngoscope suspension were lower in patients from group T than those in group N and group C.BCS in group T was better than that in group N and group C at 1 h,2 h and 24 h after operation.There was no significant difference in BCS 48 hours after operation among the three groups.Conclusion TEAS(LU7,LI18)reduced pharynx and larynx pain,reduced anesthetics consumption,shortened extubation time and improved postoperative recovery after laryngoscopy surgery.
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