TQLB for Postoperative Pain After Laparoscopic Partial Nephrectomy

Transmuscular Quadratus Lumborum Block for Postoperative Pain After Laparoscopic Partial Nephrectomy: A Randomized Controlled Trial

This prospective, randomized study,control study aims to compare the analgesic effect,opioids consumption,quality of recovery,length of hospital stay，et al. between single-injection QLB(quadratus lumborum block)+ intravenous patient-controlled analgesia (IPCA) and intravenous patient-controlled analgesia (IPCA) alone in patients undergoing laparoscopic partial nephrectomy.

inclusion Criteria:

• Age 18-70 yrs
• American Society of Anesthesiologists physical statusⅠ-Ⅲ
• Undergo laparoscopic partial nephrectomy
• Informed consent

Exclusion Criteria:

• A known allergy to the drugs being used
• Coagulopathy, on anticoagulants
• Analgesics intake, history of substance abuse
• Participating in the investigation of another experimental agent
• Inability to properly describe postoperative pain to investigators (eg, language barrier, neuropsychiatric disorder)