• H G Kho, P W Kloppenborg, and J van Egmond.
• Institute for Anesthesiology, University of Nijmegen, The Netherlands.
• Eur J Anaesthesiol. 1993 May 1;10(3):197-208.

AbstractThe effects of acupuncture and transcutaneous electrical stimulation (TES) on plasma adrenaline (A) and noradrenaline (NA), adrenocorticotropic hormone (ACTH), beta-endorphin (beta E), anti-diuretic hormone (ADH) and hydrocortisone (cortisol) were evaluated during and, for four days after surgery in 42 male patients submitted to a standardized major abdominal operation in a comparative study of three different anaesthetic techniques. Group 1 received acupuncture and transcutaneous stimulation as the main non-pharmacological analgesic during surgery. Group 2 received moderate-dose fentanyl (initial bolus of 10 micrograms kg-1 followed by continuous infusion of 5 micrograms kg-1 h-1 for the first hour, and then 4 micrograms kg-1 h-1. Group 3 received a combination of both methods. In all three groups analgesia was supplemented, if necessary, by small bolus injections of 50 micrograms fentanyl. Anaesthesia was induced in all groups with thiopentone 5 mg kg-1 and vecuronium 0.1 mg kg-1 and patients were ventilated (N2O:O2 = 2:1) to achieve normocapnia without the use of a halogenated agent. Pre-operatively acupuncture plus TES in Groups 1 and 3 led to a rise in beta E (P < 0.05) without changes of haemodynamics. After intubation beta E did not increase further. Intubation in Group 2 led to an increase of beta E (P < 0.05) also, and to a rise in pulse rate and blood pressure (P < 0.05) in all three groups. Per-operatively acupuncture plus TES in Group 1 showed a response of circulating NA and cortisol similar to that in Groups 2 and 3, whereas the responses of the circulating A, ACTH, beta E and ADH in Group 1 were more pronounced (P < 0.01). Post-operatively no differences in the hormonal profiles could be discerned between the groups with or without acupuncture plus TES (Group 2 vs. Group 3) nor between those with or without moderate-dose fentanyl anaesthesia (Group 1 vs. Group 3). It is concluded that acupuncture and TES have no effect on the cardiovascular response to laryngoscopy and intubation. They can replace moderate-dose fentanyl anaesthesia in major abdominal surgery at the cost of a more enhanced per-operative neuroendocrine stress response, which does not, however, influence the postoperative hormonal profiles nor the rapidity of return to pre-operative values.

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