TEAS Combined With Triple Antiemetic Drugs to Prevent PONV in High-Risk Patients

Inclusion Criteria: * Women scheduled for laparoscopic surgery ； * Aged 18-65 years； * ASA Class I-III； * Apfel score ≥ 3 (female sex, non-smoker, history of PONV and/or motion sickness). Exclusion Criteria: * Patients with a history of allergy to the investigational drug or contraindications； * Long-QT syndrome ； * Pregnancy, lactation, or menstruation ； * Current smoker； * Nausea/vomiting or use of antiemetics, opioids, or systemic corticosteroids within 24 h before surgery； * Requirement for post-operative sedation and mechanical ventilation ； * Severe renal or hepatic impairment ； * Psychiatric or neurological disorder ； * Vertebrobasilar insufficiency； * Vestibular disease； * Language or communication barrier ； * Skin lesion or infection at the acupoint stimulation site ； * Upper-limb nerve injury ； * Implanted cardiac pacemaker or defibrillator ； * Participation in another clinical trial within the past 4 weeks.