Perioperative management
pain
A standardized transfusion protocol was followed during hospitalization:2U (400 ml) of erythrocyte suspension was transfused if the hemoglobin level was < 70 g/l. Postoperative analgesic regimens were as follows: (1) a daily oral dose of 400 mg of celecoxib was administered from postoperative day 1 (POD1) to discharge; and (2) if the patient developed pain, 50 mg of flurbiprofen was administered intravenously by the ward physician according to the pain presentation. Thromboprophylaxis consisted of the following: (1) 4000 AXaIU of enoxaparin was administered subcutaneously daily, and intermittent pneumatic compression (IPC) was performed from POD1 to discharge; (2) a daily oral dose of 10 mg of rivaroxaban was administered for 28 days after discharge.