Univariate Factors

  Cardiovascular Variables

Gastrointestinal Variables

  History of hypertension

History of gastrointestinal disease

  History of antihypertensive Rx

History of liver disease

  History of smoking: regularly smoked

History of alcohol abuse

  History of smoking: current

  History of diabetes

Other Organ Variables

  History of diabetes (NIDDM)

History of hematologic disorder

  History of diabetes (IDDM)

History of anemia

  History of hypercholesterolemia

Admission: hemoglobin < 10 gm

  History of angina

History of IV drug use

  History of unstable angina

History of pulmonary disease

  Preop: angina/ischemia

History of peripheral vascular disease

  Preop: Left main coronary disease

    (cardiac catheterization)

Surgical & Demographic Variables

  History of myocardial infarction

Surgery: emergency

  History of myocardial infarction within 90 days  

Surgery: urgent

    (prior to surgery)

Surgery: CABG only

  History of number of myocardial infarctions > 1

  Preop: myocardial infarction

  cardiac/noncardiac surgery)

  History of CHF

Surgery: other combined surgery

  History of CHF with hospitalization

Surgery: ≥  3 grafts

  Admission: CHF

Demo: gender

  Preop: CHF

Demo: BSA

  Preop: cardiomegaly (CXR)

Demo: ethnicity-African-American or Hispanic or

  Preop: left ventricular aneurysm

  Am. Indian

    (cardiac catheterization)

Demo: ethnicity-Asian

  Preop: EF (minimum) (cardiac catheterization)

Demo: ethnicity-Caucasian

  Preop: EF (normal-mild vs moderate severe)

Demo: ethnicity-Hispanic

    (cardiac catheterization)

Demo: age

  Preop: IABP

Demo: private insurance

  History of dysrhythmia

  History of tachyarrhythmias

Medication Variables

  History of conduction abnormality

Preop: Medications-ACE inhibitors

  History of heart block

Intraop: Medications-ACE inhibitors

  History of unknown dysrhythmia

Preop: Medications-antiarrhythmics

  History of valve disease

Inraop: Medications-antiarrhythmics

  History of PTCA

Preop: Medications-anticoagulants

  History of coronary endarterectomy

Intraop: Medications-anticoagulants

  History of coronary atherectomy

Preop: Medications-beta blockers

  History of intracoronary stent

Intraop: Medications-beta blockers

  History of CABG

Preop: Medications-bronchodilators

  History of valve surgery

Intraop: Medications-bronchodilators

  History of other cardiac surgery

Preop: Medications-calcium channel blockers

  History of other noncardiac surgery

Intraop: Medications-calcium channel blockers

  Cerebrovascular Variables

Preop: Medications-diuretics

  History of carotid disease

Intraop: Medications-diuretics

  History of transient ischemic attack

Preop: Medications-inotropes

  History of syncope

Intraop: Medications-inotropes

  History of seizures

Preop: Medications-nitrates

  History of stroke

Preop: Medications-K+ channel blockers

  History of head trauma

Preop: Medications-platelet inhibitors

  History of carotid endarterectomy

Preop: Medications-peripheral vasodilators

  Admission: stroke

Intraop: Medications-transfusion: FFP

Intraop: Medications-transfusion: RBC 

  Renal Variables

Intraop: Medications-transfusion-platelets

  History of renal disease

  Preop: creatinine