Geneva, Sept. 21 -- International Clinical Trials Registry received information related to the study (ChiCTR2600132336) titled 'Effect of erector spinae plane block combined with esketamine or dexmedetomidine on postoperative fatigue syndrome, analgesia and recovery quality in frail elderly patients undergoing radical resection of colorectal cancer' on Sept. 12.

Study Type: Interventional study

Study Design: Parallel

Primary Sponsor: Funing People's Hospital

Condition: Colorectal cancer

Intervention: C group:Erector spinae plane block EE group:Erator spinae block was administered before anesthesia, and a patient-controlled intravenous analgesia (PCIA) pump configured with sufentanil and esketamine was used at the end of the operat...