Why the study?
The inflammatory hypothesis of atherosclerosis is appealing in acute coronary syndromes, but the dynamics and precise role of inflammatory markers are not established.
Inflammatory markers CRP, IL-1β, and SDF-1α show dynamic changes up to 6 months post-AMI and correlate with coronary lesion severity and left ventricular ejection fraction, supporting their role in post-infarction pathophysiology.
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May reflect post-AMI inflammation severity; hypothesis-generating and should not yet change practice.
Introduction The inflammatory hypothesis of atherosclerosis is appealing in acute coronary syndromes, but the dynamics and precise role are not established.Objectives The study investigates the levels of C reactive protein (CRP), interleukin 1β (IL-1β) and stromal-derived factor 1α (SDF-1α) at the time of acute myocardial infarction (AMI) and at 1 and 6 months afterwards, compared with a control group.Results In the acute phase of AMI, CRP and SDF-1α were significantly higher, while IL-1β showed lower levels compared with controls. CRP positively correlated with coronary stenosis severity (rho = 0.3, p=.05) and negatively related with left ventricle ejection fraction (LVEF) at 1 month (rho= −0.43, p=.05). IL-1β weakly correlated with the severity of coronary lesions (rho =0.29, p=.02) and strongly with LVEF (rho= −0.8, p=.05). SDF-1α, slightly correlated with LVEF at 1 month (rho = 0.22, p=.01) and with the severity of coronary atherosclerosis (rho= −0.41, p=.003).Conclusions CRP, IL-1β and SDF-1α have important dynamic in the first 6 months after AMI and CRP and SDF-1α levels correlated with the severity of coronary lesions and LVEF at 1 month after the acute ischaemic event.
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Oprescu et al. (2021) studied this question.
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