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Table 2 Definition of Post Operative Events

From: Rationale, design and methodology for a Prospective Randomized Study of graft patency in Off-pump and On-pump MultI-Vessel coronary artery bypasS Surgery (PROMISS) using multidetector computed tomography

Outcome

Definition

Mortality

Autopsy result.

Arrythmias

Episodes requiring administration of iv anti arrythmics or electric choc. Atrio-ventricular conduction disturbances defined as requiring temporary or definitive pace maker.

Reoperation

Reoperation or recatheterisation for myocardial ischemia.

Myocardial Infarction

New Q wave or increase in CK-MB > 5xULN.or troponin T > or = 1 ng/ml.

CK-MB and troponin T

Mean values at 6, 12 and 24 hours post operatively.

Cardiac Faillure

Cardiac resuscitation manoeuvres or intra aortic balloon pump. Level of inotropic support.

Neurologic Events

Coma (Glasgow score), stroke (focal neurologic deficit > 24 hours), transient ischemic attack (focal neurologic deficit < 24 hours), delirium.

Respiratory Complications

ARDS, ventilation > 24 hours, pneumonia, thoracic effusion or pneumothorax requiring drainage and PaO2 at discharge from ICU.

Renal Complications

Renal dialysis, ultra filtration, need for continuous iv diuretics, serum creatinin increase between base line and ICU discharge.

Bleeding Complications

Reoperation for bleeding, blood products administration, total blood drainage.

Infectious Complications

Sternal infection (deep and superficial); septicaemia.

Gastro Intestinal Complications

Cholecystitis, Pancreatitis, Mesenteric Ischaemia, GI perforation, GI bleeding, Intestinal Occlusion.

Ressource utilisation

Readmision to ICU; ICU and hospital length of stay.