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Chinese Journal of Primary Medicine and Pharmacy ; (12): 1650-1652, 2012.
Article in Chinese | WPRIM | ID: wpr-426238

ABSTRACT

Objective To study the effect of transcutaneous electrical acupoint stimulation(TEAS) on endtidal concentration of sevoflurane in upper abdominal operation.Methods The use of prospective,randomized,blinded principles.A total of 50 patients underwent selective epigastric operations with ASA Ⅰ - Ⅱ were randomly divided into group A(25 cases) and B(25 cases).In group A,TEAS was performed and sevoflurane was inhaled during operation.In group B,only sevoflurane was inhaled and TEAS was not performed during operation.Electrical stimulation on Nei-guan,He-gu and Zu-sanli was performed for 30min before induction of anesthesia in group A and meanwhile patients in group B were waiting for 30min in operating room.After intubation,in group A,TEAS was performed persistently and sevoflurane was inhaled,meanwhile remifentanil was infused persistently during operation.In group B,only sevoflurane was inhaled and remifentanil was infused persistently during operation.At time points:before TEAS( T0 ),skin incision( T1 ),exploratory laparotomy( T2 ),30min after exploratory laparotomy ( T3 ),60min after exploratory laparotomy( T4 ),blood glucose and angiotensin Ⅱ were measured,recorded 10min after the start of surgery,once for each end-tidal sevoflurane concentration.Results End-tidal concentration of sevoflurane of group A ( 1.4 ± 0.2 ) %,was significantly lower than group B( 1.9 ± 0.4 ) % ( t =3.147,P < 0.01 ).Cortisol and angiotensin Ⅱ were increased at T1 and T2 compared with T0 in both groups(F =2.256,2.432,2.132,2.334,all P<0.05).Cortisol and angiotensin Ⅱwere decreased in group A compared with in group B at T1 ~T4(t =2.159,2.232,2.453,2.602,al1 P <0.05).Conclusion TEAS can decrease end-tidal concentration of sevoflurane and stress response.TEAS combined with sevoflurane has synergistic effect on general anesthesia.

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