• Am. J. Cardiol. · Aug 2017

    Usefulness of Mean Platelet Volume-to-Lymphocyte Ratio for Predicting Angiographic No-Reflow and Short-Term Prognosis After Primary Percutaneous Coronary Intervention in Patients With ST-Segment Elevation Myocardial Infarction.

    • Alparslan Kurtul and Sadik Kadri Acikgoz.
    • Department of Cardiology, Ankara Education and Research Hospital, Ankara, Turkey. Electronic address: alpkurtul@yahoo.com.
    • Am. J. Cardiol. 2017 Aug 15; 120 (4): 534-541.

    AbstractPrimary percutaneous coronary intervention (pPCI) is associated with improved prognosis in patients with ST-segment elevation myocardial infarction (STEMI). However, no-reflow phenomenon limits the benefit of revascularization and predicts adverse outcomes. The specific mechanism for its occurrence is still not entirely clear, and it is believed at present that platelet activation and inflammation play a pivotal role in developing no-reflow. Both increased mean platelet volume (MPV), which is a platelet activation marker, and lymphopenia, which is an inflammation marker, have been linked to adverse events and poor prognosis after STEMI. Recently, MPV-to-lymphocyte ratio (MPVLR) has emerged as a novel marker of poor short- and long-term prognosis in diabetic patients with STEMI who underwent pPCI. In this study, we aimed to investigate whether MPVLR predicts angiographic no-reflow and in-hospital mortality in all STEMI patients. From January 2014 to January 2017, a total of 1,206 patients who underwent pPCI, admitted within 12 hours from symptom onset, were enrolled and divided into 2 groups based on the final thrombolysis in myocardial infarction (TIMI) flow grading. No-reflow was defined as post-pPCI TIMI grade 0, 1, and 2 flows and normal-reflow was defined as TIMI 3 flow. The incidence of no-reflow was 16.1% (n = 198). The MPVLR values were higher in no-reflow group than in normal-reflow group (p <0.001). In multivariate analysis, MPVLR was an independent predictor of angiographic no-reflow. Furthermore, in multivariable Cox regression models adjusted for potential confounders, MPVLR was independently and positively associated with the hazard of 30-day all-cause mortality. In conclusion, the MPVLR was a strong independent predictor for angiographic no-reflow and short-term mortality in patients with STEMI who underwent pPCI.Copyright © 2017 Elsevier Inc. All rights reserved.

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