Morbidity Description Hyperglycemia >10 mmol/L Hypoglycemia <2 mmol/L PONV ( post operative nausea and vomiting) Persistent beyond day 2 postoperative Bleeding Requiring surgical intervention Or Hemoglobin drop >4 mg/dL Cardiac event Symptomatic arrhythmia Blood troponin >0.5, with ECG changes Pleural effusion Tapping required for patient relief Abdominal Ascites: dyspnea or leaking through abdominal wall Acute renal failure Serum creatinine >2 x upper limit of normal Anastomotic Leak Radiological luminal contrast extravasation Clinical finding of localized or generalized peritonitis Feculent drainage from drains Need for urgent intervention