A Comparison of Nefopam-propacetamol Combination and Propacetamol for Postoperative Quality of Recovery After Laparoscopic Nephrectomy

"Patients in both groups will receive intravenous patient-controlled analgesia (PCA) using fentanyl.~In nefopam-propacetamol combination group, patients will receive nefopam(20mg mixed to normal saline 100mL) and propacetamol(2g mixed to normal saline 100mL), 30 minutes before the end of operation, every 6 hours for up to 48 hours."

In propacetamol alone group, patients will receive placebo (normal saline 2 ml mixed to normal saline 100mL) and propacetamol(2g mixed to normal saline 100mL), 30 minutes before the end of operation, every 6 hours for up to 48 hours.