Effect of Quadratus Lumborum Block With Compound Lidocaine and Esketamine on Pain After Colorectal Surgery

Condition:   Postoperative Pain Interventions:   Drug: Normal saline;   Drug: Ropivacaine;   Drug: Compound lidocaine;   Drug: Esketamine Sponsor:   Tianjin Medical University General Hospital Not yet recruiting

Source: ClinicalTrials.gov - July 28, 2023 Category: Research Source Type: clinical trials