EuroSCORE II (Perioperative Cardiac Morbidity Subscore Companion) Calculator

Age (years)

Biological Sex

Chronic Pulmonary Disease

Extracardiac Arteriopathy

Neurological Dysfunction or Poor Mobility

Previous Cardiac Surgery (Redo)

Renal Function (Creatinine Clearance, mL/min) Enter numeric value; set to 0 if on dialysis and select dialysis = Yes below.

On Dialysis

Active Endocarditis

Critical Preoperative State

Insulin-Dependent Diabetes Mellitus

NYHA Class

Canadian Class 4 Angina (CCS IV)

Left Ventricular Function

Pulmonary Artery Systolic Pressure (mmHg)

Recent Myocardial Infarction (< 90 days)

Urgency

Weight of Procedure

Thoracic Aorta Surgery

EuroSCORE II for Mortality and a Companion View for Morbidity
EuroSCORE II is the contemporary, validated model for predicting in-hospital mortality after adult cardiac surgery. The logistic equation combines patient and operative variables such as age, comorbidities, renal function, LV function, pulmonary pressures, and surgical urgency. The calculator implements the exact logistic coefficients as published by Nashef et al., providing a precise estimate of operative mortality.

While EuroSCORE II does not officially include a morbidity subscore, higher mortality risk correlates strongly with postoperative complications and prolonged ICU stay. Thus, a derived exploratory morbidity tier (Low <2%, Intermediate 2–5%, High >5%) is displayed to aid in perioperative planning.

Clinical Interpretation:
Use the mortality and morbidity projections to inform preoperative risk stratification, resource allocation, and multidisciplinary discussions. In higher-risk patients, intensify hemodynamic optimization, renal protection, and postoperative monitoring protocols.

References:
Nashef SAM, Roques F, Sharples LD, et al. EuroSCORE II. Eur J Cardiothorac Surg. 2012;41(4):734–744.
Hirose H, et al. Interact Cardiovasc Thorac Surg. 2009;9:613–616.
Kate S, et al. Indian J Thorac Cardiovasc Surg. 2023.

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