Relationship between Serum Inflammatory Biomarkers and Thrombus Characteristics in Patients with ST Segment Elevation Myocardial Infarction

Carlo Trani, Filippo Crea, Giampaolo Niccoli, Chiara Zara, Giuseppe Biondi Zoccai, Alberto Menozzi, Davide Capodanno, Vasile Sirbu, Massimo Fineschi, Daniela Trabattoni, Francesco Saia, Elena Ladich, Guilherme Attizzani, Giulio Guagliumi

Risultato della ricerca: Contributo in rivistaArticolo in rivista

3 Citazioni (Scopus)

Abstract

Objectives: To compare angiographic and optical coherence tomography (OCT) data pertinent to thrombi, along with the histologic characteristics of aspirated thrombi in patients presenting with ST elevation myocardial infarction (STEMI) with or without inflammation, as assessed by C-reactive protein (CRP) and myeloperoxidase (MPO). Methods: In the OCTAVIA (Optical Coherence Tomography Assessment of Gender Diversity in Primary Angioplasty) study, 140 patients with STEMI referred for primary percutaneous intervention were enrolled. The patients underwent OCT assessment of the culprit vessel, along with blood sampling of CRP and MPO, and histologic analysis of the thrombus. Results: Biomarkers were available for 129 patients, and histology and immunohistochemistry of the thrombi were available for 78 patients. Comparisons were made using the median thresholds of CRP and MPO (2.08 mg/L and 604.124 ng/mL, respectively). There was no correlation between CRP and MPO levels in the whole population (p = 0.685). Patients with high CRP levels had higher thrombus grades and more frequent TIMI flow 0/1 compared with those with low CRP levels (5 [1st quartile 3; 3rd quartile 5] vs. 3.5 mg/L [1; 5], p = 0.007, and 69.3 vs. 48.5%, p = 0.04, respectively). Patients with high MPO levels more commonly had early thrombi than had those with low MPO levels (42.5 vs. 20.0%, p = 0.04). Conclusions: CRP and MPO were not correlated in STEMI patients, possibly reflecting different pathogenic mechanisms, with CRP more related to thrombus burden and MPO to thrombus age.
Lingua originaleEnglish
pagine (da-a)27-35
Numero di pagine9
RivistaCardiology
Volume137
DOI
Stato di pubblicazionePubblicato - 2017

Keywords

  • C-reactive protein
  • Cardiology and Cardiovascular Medicine
  • Myeloperoxidase
  • Pharmacology (medical)
  • ST segment elevation myocardial infarction

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