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2017 Cardiovascular Research Day Abstract Book

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40<br />

The Prognostic Role of Elevated Myeloperoxidase in Patients with Acute Coronary<br />

Syndrome: A Systematic Review and Meta-Analysis<br />

Mohamed Abo-Aly, MD 1 • Andrew kolodziej, MD 1 • Raphael Twerenbold, MD 1 •<br />

Christian Mueller, MD 1 • Ahmed Abdel-Latif, MD, PhD 1<br />

1Division of cardiovascular medicine, Gill heart institution., University of Kentucky<br />

Postdoc<br />

Background:<br />

Many reports have shown the correlation between myeloperoxidase (MPO) and the pathogenesis of<br />

acute coronary syndrome (ACS). However, the prognostic role of MPO for major cardiac events or<br />

mortality in ACS patients has not been well studied. We sought to perform a systematic review and<br />

meta-analysis to examine the prognostic value of inpatient MPO level in patients presenting with<br />

ACS.<br />

Methods:<br />

PubMed and Cochrane databases were searched from 1975 to September <strong>2017</strong> for studies that<br />

investigated the prognostic value of serum MPO in patients with ACS. Studies should have<br />

dichotomized patients into a high MPO and a low MPO group, reported clinical outcomes according<br />

to the same cutoff value of MPO and followed up patients for at least 30 days to be eligible for<br />

enrollment. Data were analyzed using random-effects model to control heterogeneous reporting.<br />

Results:<br />

We retrieved 3896 studies for initial screening which yielded 14 studies including 9268 subjects<br />

with a median follow up of 8.7 ± 21.96 months for the final analysis. High serum MPO level<br />

significantly predicts the future risk of mortality (odds ratio [OR] 2.039; 95% confidence interval<br />

[CI]: 1.405-2.959; P=0.0176) and MACE (OR 1.42; 95% CI: 1.00-1.99; p=0.044). we also observed a<br />

string trend towards higher incidence of recurrent myocardial infarction (MI) in patients with high<br />

MPO level (OR 1.24; 95% CI: 0.99-1.54; p=0.054) in comparison to patients with low serum MPO.<br />

Conclusion:<br />

In this meta-analysis examining the long outcomes in ACS patients, high MPO levels were associated<br />

with worse clinical outcomes. These observations support the use of MPO as a novel clinical<br />

prognostic marker in patients with acute coronary syndrome.<br />

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