Auricular acupressure for analgesia in perioperative period of total knee arthroplasty.

Objective: We examined whether auricular acupressure (AA) can alleviate postoperative pain and decrease narcotic consumption and its adverse effects for osteoarthritis patients after total knee arthroplasty (TKA).

Design: A prospective, randomized, sham control trial comparing AA and a sham control.

Setting: Department of Orthopedics, the first Hospital affiliated to Zhejiang University of Traditional Chinese Medicine, Hangzhou, China.