Appendix A: Postoperative Complications Recorded by System

Cardiac: Cardiac catheterization, arrhythmia, hypotension/hypertension, pericarditis, syncope, and cardiogenic shock Pulmonary: Lung abscess, pulmonary embolism, pleural effusion, pneumonia, reintubation, respiratory distress/failure, tracheostomy, atelectasis, pulmonary edema, pneumothorax, sinusitis, and empyema Gastrointestinal: Clostridium difficile infection, constipation, dysphagia, gastrointestinal bleed, Ogilvie syndrome, pancreatitis, parenteral nutrition, percutaneous endoscopic gastrostomy, ileus, diarrhea, and acute cholecystitis Renal/Gastrourinary: Acute renal failure, urinary retention, urosepsis, and urinary tract infectionSkin: Amputation, compartment syndrome, wound dehiscence, wound drainage, wound infection superficial, wound infection deep, and cellulitis Neurologic: Delirium tremens, seizures, tardive dyskinesia, delirium, alcoholic withdrawal, diabetes insipidus, increased intracranial pressure, transient ischemic attack, and cerebral spinal fluid leak Hematologic/Infectious: Septic shock, anemia, transfusion of blood products, bacteremia, deep vein thrombosis, hematoma, superficial thrombophlebitis, and coagulopathyOther (not included in a system): Fever >103 °F, acidosis, fluid and electrolytes, and nutrition