Participants
neuritis, Allergy, TKA, ankylosing
DISEASES, NEURITIS, ALLERGY, JOINT DISEASES
Inclusion criteria:The American Society of Anesthesiologists (ASA) classification: I–IIIBMI range of 18–40 kg/mPeople aged 18–85 who can communicate normally and effectively without cognitive behavioral impairmentsSelective primary simultaneous bilateral THA or TKA that operated by a participant surgeon were enrolledExclusion criteria:Allergy or intolerance to one of the study drugsRegular use of opioids, or addiction to opioids and alcoholSuffering from pain-causing diseases such as neuritis and herpesSevere spine and ankle joint diseases that affect the function of the knee or hipPrior hip or knee surgery, previous hip or knee infectionInsufficiency of liver or kidneyRheumatoid arthritis, ankylosing spondylitisLong-term use of glucocorticoids or recent intra-articular steroid injection