Researchers conclude that acupuncture increases the total effective rate of the drug sufentanil citrate for the relief of pain after thoracic surgery.
https://www.healthcmi.com/Acupuncture-Continuing-Education-News/1789-acupuncture-painkiller-postoperative-narcotic-boost-found
Acupuncture Painkiller Postoperative Narcotic Boost Found