期刊
AMERICAN JOURNAL OF EMERGENCY MEDICINE
卷 33, 期 11, 页码 1567-1571出版社
W B SAUNDERS CO-ELSEVIER INC
DOI: 10.1016/j.ajem.2015.06.016
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Background: The aim of this study was to investigate a novel oxidative stress marker (thiol/disulphide homeostasis) in patients with acute myocardial infarction (AMI) and compare the results with healthy controls for the first time in literature. Methods: A total of 450 participants including 300 patients with AMI and 150 healthy individuals were included in the study. Left ventricular ejection fraction, body mass index, peak troponin I levels, triglyceride, total cholesterol, low-density lipoprotein, high-density lipoprotein (HDL), native thiol, total thiol, and disulphide as well as disulphide/native thiol and disulphide/total thiol ratios were compared between the groups. Results: There were significant differences between AMI patients and the controls for left ventricular ejection fraction and troponin, HDL, native thiol, total thiol, and disulphide levels as well as disulphide/native thiol and disulphide/total thiol ratios (P < .05). Stepwise logistic regression model indicated that HDL (odds ratio [OR] = 0.923, P < .001) and disulphide levels (OR = 0.548, P < .001) and disulphide/total thiol ratio (OR = 0.356, P < .001) were significantly and independently related to AMI. The cutoff value of disulphide/total thiol ratio percentage on admission to predict AMI in all population was 4.3, with a sensitivity of 70% and a specificity of 69%. Conclusion: Thiol/disulphide homeostasis may be used as a novel oxidative stress marker in patients with AMI because it is readily available, easily calculated, and relatively cheap. Further studies are needed to confirm the pathophysiologic role of thiol/disulphide homeostasis in AMI. (C) 2015 Elsevier Inc. All rights reserved.
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