Effect of TEAS on PONV After Spinal Surgery

Exclusion Criteria

• •Neuraxial (intrathecal or epidural) block
• •Significant ongoing history of vestibular disease or dizziness
• •Nausea or vomiting within 24 hours prior to surgery, use of antiemetic or emetogenic drugs within 3 days of surgery
• •Documented alcohol or substance abuse within 3 months before the surgery
• •Limb abnormalities such as burn and amputation.
• •Poorly controlled diabetes mellitus (fasting plasma glucose \>126 mg/dL or \<70 mg/dL)
• •Implantation of metal/electrical devices, such as nerve stimulator, cardiac pacemaker, cardioverter, defibrillator and internal hearing aids
• •Rash, local infection, keloid, any dermatologic condition that could interfere with the acupoint stimulation area
• •Documented alcohol or substance abuse within 3 months before surgery
• •Presence of clinically diagnosed major psychiatric condition such as bipolar disorder, uncontrolled major depression, or schizophrenia
• •Chemotherapy or radiation therapy within 7 days before surgery
• •Investigational product use within 3 months prior surgery
• •Any condition, which in the opinion of the investigator would make subject ineligible for participation in the study (history of unstable cardiovascular, pulmonary, renal, hepatic, seizures)
• •Special population (prisoners, pregnant and lactating women)