Effect of Sufentanil on the Postoperative Pain

Analgesic Effect of Intraoperative Sufentanil on Postoperative Pain in Patients Undergoing Robot-assisted Nephrectomy: a Prospective Randomized Controlled Trial

This study is a randomized, controlled trial. A total of 48 patients will be randomized to receive sufentanil or remifentanil during robot-assisted nephrectomy surgery.

Inclusion Criteria:

• Patients who undergo elective robot-assisted nephrectomy surgery
• American Society of Anesthesiologists grade 1,2,3
• Age > 18 years old

Exclusion Criteria:

• Refuse to participate to the study
• Allergic history of opioid
• chronic pain
• opioid user before surgery
• MAO inhibitor user
• Severe respiratory insufficiency