Clinical significance and analysis of related risk factors of hyperamylasemia of laparoscopy-assisted surgery for colorectal cancer

Interventions: Experimental group:none;Control group:none
Primary outcome(s): sex;age;body mass index (BMI);concomitant disease;pathological diagnosis;postoperative complications;serum amylase;urine amylase;hemoglobin;white blood cells;lymphocytes;albumin;prothrombin time;the method of operation;the grade of ASA;intraoperative pancreatic operation;the body position of the operation;the method of anesthesia;the pressure of pneumoperitoneum;the duration of pneumoperitoneum;the duration of operation;intraoperative fluid volume;intraoperative urine volume;intraoperative blood loss;intraoperative blood transfusion volume
Study Design: Cohort study