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EuroSCORE predicts health-related quality of life after coronary artery bypass grafting

^a Department of Thoracic and Vascular Surgery, Vaasa Central Hospital, 65100 Vaasa, Finland
^b Department of Anaesthesiology, Vaasa Central Hospital, 65100 Vaasa, Finland
^c Division of Cardiothoracic and Vascular Surgery, Department of Surgery, Oulu University Hospital, 90230 Oulu, Finland
^d Department of Cardiothoracic Surgery, Heart Center, Tampere University Hospital, 33520 Tampere, Finland
^e Department of Public Health, University of Helsinki, P.O. Box 41 00014 University of Helsinki, Finland

*Corresponding author. Tel.: +358 50 527 3830; fax: +358 6 323 1678.

E-mail address: pertti.loponen{at}pp.inet.fi (P. Loponen).

Three hundred and two patients were evaluated for the EuroSCORE risk and health-related quality of life (HRQoL) during three years after CABG as assessed by the 15D instrument. Both additive and logistic EuroSCORE correlated significantly with the 15D score at 6, 18 and 36 months. A clinically important increase 0.03 in the 15D score was achieved by 50.6% of patients at 6 months, 40.0% at 18 months and 35.9% at 36 months. The rates were similar among patients with increasing EuroSCORE at 6 and 18 months, but tended to decrease at 36 months in the highest EuroSCORE group (EuroSCORE 0–2: 46.8%; 3–5: 34.8%; and 6–14: 33.3%, respectively, P=0.13). Both additive (area under the receiver operating characteristic curve, AUC: 0.582, P=0.024) and logistic EuroSCORE (AUC: 0.575, P=0.039) were predictors of a significant increase of the 15D score. The best cut-off value of the additive EuroSCORE for prediction of a clinically important improvement of the 15D score during 3-year follow-up was 3, as 46.7% of patients with EuroSCORE 0–3 and 30.1% of patients with a score >3 (P=0.006) improved clinically. The present study showed that the EuroSCORE also predicts long-term HRQoL after CABG.

Key Words: EuroSCORE; Myocardial revascularization; Quality of life

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