What is the role of myeloperoxidase measurement in the workup of unstable angina?

Updated: Oct 01, 2020
  • Author: Walter Tan, MD, MS; Chief Editor: Eric H Yang, MD  more...
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Myeloperoxidase levels may be potentially useful in differentiating patients with ACS from those with chest pain from other causes. A single emergency department retrospective study (September to December 2015) of all patients older than 18 years with nontraumatic chest pain evaluated serial measurements of troponin and myeloperoxidase on admission and at 6 hours and found statistically significant differences not only in myeloperoxidase concentration at admission and at 6 hours for patients diagnosed with ACS as well as non-ACS patients, but also among ACS patients and those with heart disease other than coronary artery disease at the same time points. [29]

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