IMPACT (Index for Mortality Prediction After Cardiac Transplantation)

IMPACT score is a risk assessment tool used to predict 1-year mortality risk following a Heart Transplantation based on 12 parameters (including renal function, liver function, age)

Age

Serum Bilirubin (mg/dL)

Creatinine Clearance (CrCl) (mL/min)

Dialysis Requirement Whether Dialysis was done between listing and transplantation

Gender

Heart Failure Etiology

Recent Infection Status Whether the patient had a recent infection

Intra-Aortic Balloon Pump Whether Intra-Aortic Balloon Pump was implanted

Mechanical Ventilation whether Mechanical Ventilation was done pre-transplant

Race

Temporary Circulation Support Whether temporary circulation support was needed (includes ECMO and e-VADs)

Ventricular Assist Device