Background: The aim of this study was to investigate the relationship between prodromal angina (PA) with neutrophil-to-lymphocyte ratio (NLR) in patients with ST-segment elevation myocardial infarction (STEMI).
Methods: The study group included 145 patients with STEMI who underwent emergency coronary angiography (CA) within 24hours of symptom onset. Data were collected regarding whether patients had experienced PA before acute myocardial infarction. Seventy-three (73) patients (50.3%) had prodromal angina. Prodromal angina positive and negative groups were compared for demographic characteristics, complete blood count parameters including NLR, blood biochemistry parameters and left ventricular ejection fraction (LVEF).
Results: Neutrophil count, NLR, and troponin I levels were significantly higher in the PA negative group. LVEF after reperfusion and lymphocyte count were lower in the PA negative group. In multivariate regression analysis, NLR (β=-0.419, p<0.001) and LVEF (β=0.418, p<0.001) were found to be significantly associated with the presence of PA in STEMI patients.
Conclusions: Absence of PA was significantly and independently associated with increased NLR and impaired LVEF after reperfusion, and increased NLR was found as a significant predictor for both lack of PA and impaired LVEF in STEMI patients.
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