Table 4 EuroSCORE model and ist scoring weights; standard "simple additive" version, as http://www.euroscore.org and Tab. 3 (i).

Age

(per 5 years or part thereof over 60 years)

1

Sex

female

1

Chronic pulmonary disease

longterm use of bronchodilators or steroids for lung disease

1

Extracardiac arteriopathy

any one or more of the following: claudication, carotid occlusion or >50% stenosis, previous or planned intervention on the abdominal aorta, limb arteries or carotids

2

Neurological dysfunction disease

severely affecting ambulation or day-to-day functioning

2

Previous cardiac surgery

requiring opening of the pericardium

3

Serum creatinine

>200 m micromol/L preoperatively

2

Active endocarditis

patient still under antibiotic treatment for endocarditis at the time of surgery

3

Critical preoperative state

any one or more of the following: ventricular tachycardia or fibrillation or aborted sudden death, preoperative cardiac massage, preoperative ventilation before arrival in the anaesthetic room, preoperative inotropic support, intraaortic balloon counterpulsation or preoperative acute renal failure (anuria or oliguria <10 ml/hour)

3

Cardiac-related factors

Score

Unstable angina

rest angina requiring iv nitrates until arrival in the anaesthetic room

2

LV dysfunction

moderate or LVEF30–50%

1

poor or LVEF <30

3

Recent myocardial infarct

(<90 days)

2

Pulmonary hypertension

Systolic PA pressure>60 mmHg

2

Operation-related factors

Score

Emergency

carried out on referral before the beginning of the next working day

2

Other than isolated CABG

major cardiac procedure other than or in addition to CABG

2

Surgery on thoracic aorta

for disorder of ascending, arch or descending aorta

3

Postinfarct septal rupture

4