Participants
allergic, itching, cardiac, liver and renal insufficiency, allergic manifestations, rupture, intraoperative aneurysm, drug dependence
REDNESS OF SKIN, INTRAOPERATIVE BLEEDING, DISORDERS
Before randomization, all participants were informed of the potential benefits, risks, alternatives, etc., of the study. The patients signed an informed consent form. Participants were selected based on the following criteria.The inclusion criteria were as follows: (1) age 40–70 years; (2) ASA grade I-III; (3) Hunt grade I-III; and (4) signed clinical informed consent for this study.Exclusion criteria included the following: (1) refusal to participate in the study; (2) participation in other clinical studies; (3) history of mental illness: due to the influence of various biological, psychological and social environmental factors, the brain is dysfunctional, resulting in cognitive, emotional, volitional and behavioral mental activity disorders; (4) history of alcohol, drug dependence or drug use; (5) history of acupuncture treatment within the past 2 weeks; (6) severe cardiac, liver and renal insufficiency; and (7) patients with potential for medical problems to arise as a result of TEAS, for example, those who have pacemakers or metal implants or are allergic to surface electrodes.Elimination criteria were as follows: (1) intraoperative bleeding > 800 ml; (2) rupture of intraoperative aneurysm; (3) allergic manifestations such as itching and redness of skin caused by TEAS stimulation; and (4) use of other analgesic drugs or measures before surgery.