Geneva, Sept. 25 -- International Clinical Trials Registry received information related to the study (ChiCTR2600132595) titled 'Improved Costochondral Membrane Approach Thoracoabdominal Nerve Block Combined with Oliceridine for Postoperative Analgesia After Cholecystectomy' on Sept. 16.

Study Type: Interventional study

Study Design: Parallel

Primary Sponsor: Anqing Municipal Hospital

Condition: Cholecystitis or gallstones

Intervention: Simple General Anesthesia Group:Simple general anesthesia General Anesthesia Combined with Nerve Block Group:After anesthesia induction, the modified costal pericardial thoracoabdominal nerve block was performed prior to the start of the surgery. General Anesthesia + Nerve Block + Oliceridine Group:...