Abstract
Diagnostic accuracy of copeptin and NT-proBNP level in predicting mortality and postoperative prognosis in coronary surgery with respect to EuroSCORE risk
- Cardiovascular Surgery, Bahcesehir University, Istanbul, Turkey
- Cardiovascular Surgery, Düzce State Hospital, Düzce, Turkey
- Cardiovascular Surgery, Ankara Training and Research Hospital, Ankara, Turkey
Introduction
During the last few years, many modifications in risk stratification of all cardiac surgical patients have been reported based on EuroSCORE.
Aim
In this study we aimed to interpret copeptin and NT-proBNP levels in patients who had undergone coronary surgery with respect to EuroSCORE.
Material and methods
We investigated the correlation between pre-operative copeptin and NT-proBNP levels with respect to mortality and post-operative complications via EuroSCORE II in the 484 enrolled patients. In terms of analyzing mortality the first 30 days were taken into account and duration of hospital stay was considered for prognosis. The statistical significance of copeptin and NT-proBNP with respect to EuroSCORE II ≥ 2 was studied.
Results
The critical threshold levels of mortality for NT-proBNP was 1296 pg/ml and for copeptin was 116 pmol/l in patients whose EuroSCORE II ≥ 2. Mortality increases 9.04-fold in cases with EuroSCORE ≥ 2, 5.04-fold when NT-proBNP level is > 1296 pg/ml. A dramatic outcome was observed in copeptin levels as mortality increased 138.17-fold when copeptin was > 116 pmol/l.
Conclusions
Increased levels of copeptin and NT-proBNP negatively affect mortality and complication rates in isolated cardiac surgery patients.
>Keywords
cardiovascular disease, biomarkers, mortality, coronary heart disease
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