In patients with ST-segment elevation myocardial infarction with cardiogenic shock treated with percutaneous coronary intervention, admission glucose level is a strong independent predictor for 1-year mortality in patients without a prior diagnosis of diabetes

Marije M. Vis, Krischan D. Sjauw, Rene J. van der Schaaf, Jan Baan, Karel T. Koch, J. Hans DeVries, Jan G. P. Tijissen, Robbert J. de Winter, Jan J. Piek, Jose P. S. Henriques

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Abstract

Background Primary percutaneous coronary intervention (PCI) reduces mortality in patients with ST-segment elevation myocardial infarction (STEMI) complicated by cardiogenic shock (CS). Despite PCI, mortality in CS is still approximately 50%. Admission glucose concentration is an independent predictor of mortality in patients with STEMI and is associated with the occurrence of CS. Whether admission glucose is also a predictor of mortality in CS patients treated with primary PCI is unexplored. We therefore assessed the relation between admission glucose concentration and 1-year mortality in patients with STEMI with CS without a prior diagnosis of diabetes on admission and treated with PCI. Methods We investigated a cohort of 208 consecutive patients with STEMI without a prior diagnosis of diabetes with CS on admission. Patients were classified according to glucose levels at admission: <7.8 mmol/L (group 1, n = 57), 7.8 to 11 mmol/L (group 2, n = 71), and >11.0 mmol/L (group 3, n = 80). Results The overall 1-year mortality was 38%. One-year mortality was 21%, 27%, and 60% in groups 1, 11, and 111, respectively (P <.001). In a multivariate logistic regression analysis, the odds for Mortality increased by 16% for every I mmol/L increase in plasma glucose concentration (OR 1.155, 95% Cl 1.070-1.247), after adjustment for left ventricular ejection fraction <40%, age older than 75 years, male sex, and thrombolysis in myocardial infarction 3 flow after PCI. Conclusions in patients with STEMI with CS and without a prior diagnosis of diabetes undergoing primary PCI, admission glucose concentration is a very strong independent predictor for 1-year mortality. Further studies are warranted to determine whether concomitant glycometabolic regulation in patients with STEMI treated with PCI, particularly those with CS, will improve clinical outcome
Original languageEnglish
Pages (from-to)1184-1190
JournalAmerican Heart Journal
Volume154
Issue number6
DOIs
Publication statusPublished - 2007

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