alexa [The effect of the mean platelet volume on the short-term prognosis of acute myocardial infarct].


Journal of Blood Disorders & Transfusion

Author(s): Pabn Osuna P, Nieto Ballesteros F, Morigo Muoz JL, Snchez Fernndez PL, Arribas Jimnez A, , Pabn Osuna P, Nieto Ballesteros F, Morigo Muoz JL, Snchez Fernndez PL, Arribas Jimnez A,

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Abstract INTRODUCTION AND OBJECTIVES: The increase of mean platelet volume in the late phase of myocardial infarction is an independent predictor for recurrent myocardial infarction and death, but the association between this finding and the short-term prognosis after acute myocardial infarction is unknown. The goals of this study were to assess the influence of mean platelet volume on the risk of death, recurrent ischemic events or cardiac heart failure during the in-hospital phase of myocardial infarction and to analyse the relationship between mean platelet volume and several demographic and clinical variables registered on admission. MATERIAL AND METHODS: A population of 1,082 patients with acute myocardial infarction were distributed in two groups according to the platelet volume measured on admission: group 1, mean platelet volume > 9 fl (n = 443) and group 2, mean platelet volume < or = 9 fl (n = 639). The difference between both groups on the end-point of this study were assessed by univariate and multivariate statistical methods. An univariate analysis was also applied to assess the relationship between platelet volume and the baseline variables. RESULTS: A mean platelet volume > 9 fl was associated with a significant increase of risk for the combined end-point considered (OR = 1.37; p = 0.026). By univariate analysis, an increased platelet volume was related to a higher risk of cardiac failure (OR = 1.46; p = 0.01) and a non-significant increase in the incidence of recurrent ischemic events (OR = 1.35; p = 0.07). In addition, a large platelet volume was also associated with a higher prevalence of prior myocardial infarction, arterial hypertension and diabetes mellitus. CONCLUSIONS: The results of this study suggest that the increase of mean platelet volume on admission is an independent risk factor for cardiac heart failure and is associated with a non significant higher rates of ischemic events during the recovery phase of acute myocardial infarction.
This article was published in Rev Esp Cardiol and referenced in Journal of Blood Disorders & Transfusion

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