Can acupuncture needles calm the Body's Post-Surgery fire?

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Inclusion Criteria: * Age ≥18 years. * Scheduled to undergo elective cardiac surgery with cardiopulmonary bypass (CPB) support. * The surgical procedure may include coronary artery bypass grafting (CABG), valve replacement, valve repair, or another cardiac surgical procedure performed with CPB support. * Voluntarily agrees to participate in the study and provides written informed consent. If a participant is unable to read and sign the informed consent form because of incapacity or another reason, the informed consent process will be conducted with the participant's legally authorized representative, who will sign on the participant's behalf. If a participant is unable to read the informed consent form, the informed consent process will be witnessed by an independent witness, who will sign the informed consent form. Exclusion Criteria: * Membership in a vulnerable population other than older adults or individuals who are illiterate, including patients with psychiatric disorders, cognitive impairment, critical illness, or another vulnerable condition. * Pregnant or breastfeeding. * Local skin or soft-tissue infection, erysipelas, or another condition at the acupuncture site that makes acupuncture treatment unsuitable. * History of organ transplantation. * Active malignancy. * Long-term high-dose corticosteroid therapy before surgery, defined as prednisone ≥20 mg/day for ≥14 days or a cumulative prednisone-equivalent dose \>700 mg. * Severe chronic organ dysfunction before surgery, including any of the following: * Chronic respiratory disease with a baseline PaO₂/FiO₂ ratio \<300. * Hematological disease, such as leukemia, lymphoma, or myeloma, or a baseline platelet count \<100 × 10⁹/L. * Chronic liver disease with total bilirubin \>30 μmol/L. * History of stroke or cerebral hemorrhage with a baseline Glasgow Coma Scale score \<10. * Chronic renal insufficiency with serum creatinine \>110 μmol/L or long-term daily urine output \<500 mL. * Unable to tolerate electroacupuncture treatment. * Currently participating in another interventional clinical study. * Any other condition that, in the investigator's judgment, makes the patient unsuitable for participation.