• Ismail Bolat, Ozgur Akgul, Cakmak Huseyin Altug HA Rize Kackar Government Hospital, Department of Cardiology, Rize,. altugcakmak@hotmail.com., Hamdi Pusuroglu, Umut Somuncu, Sinem Ozbey, Vesile Ornek, Mehmet Erturk, and Mehmet Gul.
• Rize Kackar Government Hospital, Department of Cardiology, Rize,. altugcakmak@hotmail.com.
• Kardiol Pol. 2016 Jan 1; 74 (4): 346-55.

BackgroundMean platelet volume to platelet count (MPV/Plt) ratio has been demonstrated to be a good indicator of long-term mortality in patients with non-ST-segment elevation myocardial infarction (NSTEMI). However, the prognostic value of MPV/Plt in ST-elevation myocardial infarction (STEMI) is not reported.AimTo determine whether the MPV/Plt ratio on admission has any predictive value for major adverse cardiac events including short- and long-term mortality in STEMI.MethodsIn this prospective study, 470 STEMI patients who underwent primary percutaneous coronary intervention (PCI) were enrolled. The patients were divided into three tertiles based on the MPV/Plt ratio on admission. The first tertile (n = 149) was defined as MPV/Plt ratio ≤ 0.029, second tertile (n = 154) 0.029-0.038, and third tertile (n = 159) ≥ 0.038. Primary clinical outcomes consisted of the sum of cardiovascular (CV) mortality, non-fatal re-infarction, and stroke. Secondary clinical outcomes were CV mortality, non-fatal re-infarction, target-vessel revascularisation, stroke, and advanced heart failure.ResultsThere was no difference between study groups regarding the primary (p > 0.05) and the secondary outcomes (p > 0.05) except for one-year non-fatal re-infarction rate, which was found to be significantly higher in the highest MPV/Plt ratio group (p = 0.045). Age, Killip class > 1, and left ventricular ejection fraction were found to be independent predictors of long-term CV mortality in multivariate analysis (p = 0.009, p = 0.035, and p < 0.001, respectively).ConclusionsWhile the MPV/Plt ratio was demonstrated to be associated with one-year non-fatal re-infarction, it was not related to in-hospital, one-month, and one-year CV mortality in patients with STEMI, who underwent primary PCI.

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