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Impact of oxidative stress on myocardial damage visualized by cardiac resonance imaging in acute ST-elevation myocardial infarction


In acute ST-elevation myocardial infarction (STEMI) oxidative stress is an important determinant of severe myocardial damage and reperfusion injury. However, no data are currently available about the correlation of oxidative stress with cardiac magnetic resonance (CMR) markers of myocardial injury in acute STEMI.


We studied 198 patients with acute STEMI undergoing primary percutaneous coronary intervention (PCI) within 12 hours of symptom onset. Oxidative stress was determined by oxidated LDL-cholesterol (oxLDL), activated oxygen protein products (AOPP) and lipid hydroperoxides (perOx). Blood samples were collected before PCI, after PCI and on day 2 as well as day 3 and 4. Follow-up values were expressed as ratio to baseline values. CMR studies were performed 2-4 days after the infarction (median 3 days, interquartile range 2, 4 days) using a standard infarction protocol.


A rise in oxidative stress parameters after reperfusion was found in oxLDL for 50.2%, in AOPP for 38.3% and in perOx for 55.2% of all STEMI patients on day 2. There were no significant differences in CMR parameters when comparing patients according to the rise or fall of oxidative stress parameters, except for microvascular obstruction (MO) and AOPP (p=0.043, Table 1). In multivariable stepwise regression analysis for prediction of MO including AOPP, TIMI flow after PCI, diabetes mellitus, pain to balloon time and TIMI risk Score only diabetes remained a significant predictor (Beta 0.22; p=0.004). AOPP values after PCI, on day 3 or 4 after PCI were also no independent predictor of MO.

Table 1


Rise or fall of markers of oxidative stress had no relevant impact on CMR markers of myocardial damage in acute STEMI. Further studies are necessary to elucidate the exact detrimental effect of oxidative stress on myocardial injury in acute reperfused STEMI.



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This article is published under license to BioMed Central Ltd. This is an Open Access article distributed under the terms of the Creative Commons Attribution License (, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. The Creative Commons Public Domain Dedication waiver ( applies to the data made available in this article, unless otherwise stated.

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Fuernau, G., Desch, S., de Waha, S. et al. Impact of oxidative stress on myocardial damage visualized by cardiac resonance imaging in acute ST-elevation myocardial infarction. J Cardiovasc Magn Reson 17 (Suppl 1), P99 (2015).

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