Geneva, Sept. 21 -- International Clinical Trials Registry received information related to the study (ChiCTR2600132170) titled 'Opioid - Sparing Strategy Based on Epidural Hydromorphone Promotes the Recovery of Gastrointestinal Function after Abdominal Surgery: A Prospective, Randomized Controlled, Open - Label Study' on Sept. 10.

Study Type: Interventional study

Study Design: Parallel

Primary Sponsor: Zhejiang Cancer Hospital

Condition: Post-abdominal surgery, gastrointestinal dysfunction may occur, with clinical manifestations including postoperative ileus (POI), abdominal distension, nausea and vomiting, delayed flatus and defecation, and food intolerance leading to delayed oral feeding.

Intervention: Control group:Conventional...