Effect of Dezocine Combined With Sufentanil on the Quality of Postoperative Recovery and Analgesic Effect in Patients Undergoing Thoracic Surgery

At the end of the operation, dezocine 1.0 mg/kg + sufentanil 2.0 ug/kg (prepared as 200 ml, background volume 2 ml/h, single dose 2 ml/time, locking time 15 min) was uniformly administered by PCIA; 3 ml test dose was administered immediately after the analgesic pump was connected at the end of the operation, and continuous analgesia was performed for 48 hours after the operation.