Secondary outcome measures
itching, vomiting, infections, pain
SURGICAL COMPLICATIONS, THROMBOEMBOLIC DISEASE, INFECTIONS, COMPLICATIONS
The total cumulative consumption of opioids was measured in terms of MDE during hospitalization. And, the MDE of opioid drug Dezocine, which was used for rescue analgesia within 24 h after surgery.Record the time point of each PCA self-controlled medication for all patients. The automatic control switch of PCA can only be pressed once in 15 min. Calculate the frequency of PCA in every 2 h interval (maximum 8 self-controlled pressings) within 24 h after operation.Visual Analogue Scale (VAS) at rest and during activity at preoperation, PACU, postoperative day (POD) 0, 1, 2, and 3. VAS usually uses a 10-cm long straight line, with 0 points and 10 points at the two ends, 0 means no pain, 10 means the most unbearable pain, and the middle value means different degrees of pain. The patient makes a mark on a certain point on the straight line to indicate the intensity of the pain and the psychological impact [Record opioid-related side-effects such as vomiting and itching, and surgical complications, including wound complications, thromboembolic diseases, infections, etc., within 24 h.