Postoperative management
nausea and vomiting, itchy
RESPIRATORY DEPRESSION
After the TJA, the patient were transferred to the postanesthesia care unit (PACU) for postoperative vital signs monitoring. Propofol (4–12 mg/kg) was used for postoperative anesthesia maintenance. Metoclopramide Hydrochloride Injection (10 mg/ml, 10–20 mg) was used for nausea and vomiting, Naloxone Hydrochloride Injection (1 mg/ml, 0.4–2 mg) for respiratory depression, and Diphenhydramine Hydrochloride Tablets (25–50 mg, tid) for itchy skin. The breathing tube was removed when the patient recovered to the Aldrete score of 9 points, and the patients were returned to the ward after 15 min of observation for no abnormalities [Two groups of patients received the same dose of Flurbiprofen Axetil Injection (50 mg, twice a day) intravenously and NSAID Etoricoxib tablets (120 mg/day) orally for intensive analgesia. All patients used patient controlled intravenous analgesia (PCIA) containing opioid drug Sufentanil Citrate Injection (2 ug/kg, 100 ml) and 0.9% NS with a self-control switch device as the PCA plan. The quantitative sustained release background dose of PCIA was 2 ml/h. When the analgesia was insufficient [The postoperative rehabilitation programs were the same for both groups. The rehabilitation physician instructed the patients to perform quadriceps and hamstring exercises preoperatively and on the second postoperative day.