Multimodal Prehabilitation for Tumor-Related Bowel Obstruction

The goal of this clinical trial is to establish a multimodal prehabilitation protocol suitable for patients with tumor-related bowel obstruction during the perioperative period, and to explore its safety and efficacy; to evaluate the impact of this protocol on short-term and long-term clinical outcomes and recovery indicators.The participants will be divided into two groups. The experimental group will receive an integrated program of preoperative multi-modal pre-rehabilitation intervention combined with postoperative immune nutrition support; the control group will receive traditional perioperative management for intestinal obstruction.