Geneva, May 4 -- International Clinical Trials Registry received information related to the study (ChiCTR2600123228) titled 'Effect of Stellate Ganglion Block Combined with Intravenous Esketamine on Postoperative Analgesia and Negative Emotions in Breast Cancer Patients' on April 23.

Study Type: Interventional study

Study Design: Parallel

Primary Sponsor: Hainan General Hospital

Condition: Breast cancer surgery

Intervention: Group N:Anesthesia induction was performed sequentially via intravenous injection of sufentanil 0.4 µg/kg, propofol 2 mg/kg, and cisatracurium besylate 0.2 mg/kg. After adequate oxygen administration to remove nitrogen, tracheal intubation was performed under visual laryngoscopy. Mechanical ventilation pa...