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JOURNAL ARTICLE

Usefulness of the platelet-to-lymphocyte ratio in predicting angiographic reflow after primary percutaneous coronary intervention in patients with acute ST-segment elevation myocardial infarction

Alparslan Kurtul, Mikail Yarlioglues, Sani Namik Murat, Gokhan Ergun, Mustafa Duran, Haci Ahmet Kasapkara, Muhammed Bora Demircelik, Mustafa Cetin, Adil Hakan Ocek
American Journal of Cardiology 2014 August 1, 114 (3): 342-7
24948493
Impaired coronary flow after primary percutaneous coronary intervention (PPCI) is associated with short- and long-term morbidity and mortality in patients with acute ST-segment elevation myocardial infarction (STEMI). Recent studies have demonstrated that platelet-to-lymphocyte ratio (PLR) is associated with adverse cardiovascular outcomes. The aim of this study was to assess the relation between admission PLR and angiographic reflow after PPCI. A total of 520 patients with acute STEMI (age 60 ± 13 years; 74% men) occurring within 12 hours of the onset of symptoms who underwent PPCI were enrolled. The PLR and other laboratory parameters were measured before PPCI. The patients were divided into 2 groups based on the postintervention Thrombolysis in Myocardial Infarction (TIMI) flow grade: normal-reflow group (defined as postintervention TIMI grade 3 flow) and none-reflow group (consisted of both patients with angiographic no-reflow defined as postintervention TIMI grades 0 to 1 flow and slow flow defined as postintervention TIMI grade 2 flow). There were 117 patients (22.5%) in the none-reflow group (age 68 ± 13 years and 77% men) and 403 patients in the normal-reflow group (age 58 ± 12 years and 63% men). The none-reflow group had significantly higher PLR compared with the normal-reflow group (219 ± 79 vs 115 ± 59, p <0.001). In logistic regression analysis, PLR (odds ratio 1.818, 95% confidence interval 1.713 to 1.980, p <0.001) and total stent length (OR 1.052, confidence interval 1.019 to 1.086, p = 0.002) were independent predictors of none-reflow after PPCI. In conclusion, preintervention PLR is a strong and independent predictor of slow flow/no-reflow after PPCI in patients with acute STEMI.

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