Effect of Dexmedetomidine on Perioperative Internal Environment and Rehabilitation of Patients Undergoing Gastrointestinal Malignant Tumor Resection

Exclusion Criteria

• •1. Patients whoused hormones or drugs that have a hypoglycemic nature during the preoperative state, or had bradycardia, arrhythmia, hypotension, abnormal liver or kidney function, pancreatic disease, neuroendocrine malignancy, intraoperative blood transfusion;
• •2. Patients who refused participation and those who needed intensive care after the surgery were also excluded from the study;
• •3. Patients who had severe internal environmental disorders.