Keywords: Society of Thoracic Surgeons database; University HealthSystem Consortium; acute kidney injury; acute respiratory distress syndrome; atrial fibrillation; bilevel positive airway pressure; cardioversion; coronary artery bypass graft; critical care; database; delirium; dexmedetomidine; direct thrombin inhibitors; early extubation; electrolyte repletion; extracorporeal life support; extracorporeal membrane oxygenation; extubation; intensive care; mechanical ventilation; novel anticoagulants; postoperative hemorrhage; prothrombin complex concentrates; quality improvement; renal failure; renal replacement therapy; staffing models; transfusion.