TMQLB Versus TPVB for Acute Pain and Quality of Recovery After Laparoscopic Renal Surgery

Transmuscular Quadratus Lumborum Block Versus Thoracic Paravertebral Block for Acute Pain and Quality of Recovery After Laparoscopic Renal Surgery

This trial is a prospective, randomized, single-center, open-label, parallel-arm, blinded-analysis trial, the objective of which is to evaluate the effect of transmuscular quadratus lumborum block (TMQLB) in the pain relief and quality of recovery in laparoscopic renal surgery compared with thoracic paravertebral block (TPVB).

Inclusion Criteria:

• 17~80 years of age;
• American Society of Anesthesiologists physical status I-III;
• undergoing laparoscopic nephrectomy.

Exclusion Criteria:

• have a known allergy to the anesthetics being used;
• infection at injection site
• coagulopathy or history of anticoagulants use
• chronic analgesics consumption or history of substance abuse
• inability to properly describe postoperative pain or recovery to investigators (e.g., language barrier, neuropsychiatric disorder).