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Medicina is published by MDPI from Volume 54 Issue 1 (2018). Articles in this Issue were published by another publisher in Open Access under a CC-BY (or CC-BY-NC-ND) licence. Articles are hosted by MDPI on mdpi.com as a courtesy and upon agreement with Lithuanian Medical Association, Lithuanian University of Health Sciences, and Vilnius University.
Open AccessArticle

Mean platelet volume and mean platelet volume/platelet count ratio in risk stratification of pulmonary embolism

1
Department of Emergency Medicine, Faculty of Medicine, Ondokuz Mayis University, Samsun, Turkey
2
Department of Cardiology, Faculty of Medicine, Ondokuz Mayis University, Samsun, Turkey
3
Department of Emergency Medicine, Van Training and Research Hospital, Van, Turkey
4
Department of Pulmonary Medicine, Faculty of Medicine, Ondokuz Mayis University, Samsun, Turkey
*
Author to whom correspondence should be addressed.
Medicina 2016, 52(2), 110-115; https://doi.org/10.1016/j.medici.2016.03.001
Received: 9 September 2014 / Revised: 17 April 2015 / Accepted: 1 March 2016 / Published: 10 March 2016
Background and objective: Recently, some of the hemogram parameters were reported to predict early death in acute pulmonary embolism (PE). The aim of this study was to investigate the role of mean platelet volume (MPV) and MPV/platelet count ratio (MPV/P), WBC and red cell distribution width (RDW) in risk stratification of patients with acute PE.
Materials and methods: We retrospectively reviewed the medical records of patients with acute PE admitted to the Emergency Department. In addition to the clinical evaluation, the hemogram parameters were measured on admission.
Results: A total of 152 patients were included. Patients with RV dysfunction had significantly higher MPV levels and MPV/P than patients without RV dysfunction. Receiver operating char- acteristiccurveanalysisrevealedthataMPVcut-offof7.85 fLprovidedasensitivityof53.3%anda specificity of 68.5%, and a MPV/P cut-off of 0.0339 fL/(109/L) provided a sensitivity of 69.6% and a specificity of 65% for the prediction of RV dysfunction. There was a positive correlation between MPV and systolic pulmonary artery pressure (SPAP) and between MPV and RV diameter. There was a positive correlation between MPV/P and SPAP and between MPV/P and RV diameter. The low-risk PE group had lower MPV and MPV/P than the massive PE and submassive PE groups.
Conclusions: MPV and MPV/P were found to be associated with RV dysfunction and clinical severity in acute PE. Low MPV and MPV/P levels may be an indicator of low risk and, high WBC levels may be an indicator of high risk in patients with acute PE. RDW levels may not reflect severity of acute PE.
Keywords: Pulmonary embolism; Right ventricular dysfunction; Mean platelet volume; White blood cells; Red cell distribution width Pulmonary embolism; Right ventricular dysfunction; Mean platelet volume; White blood cells; Red cell distribution width
MDPI and ACS Style

Yardan, T.; Meric, M.; Kati, C.; Celenk, Y.; Atici, A.G. Mean platelet volume and mean platelet volume/platelet count ratio in risk stratification of pulmonary embolism. Medicina 2016, 52, 110-115.

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