Platelet activation and cardiovascular comorbidities in patients with chronic obstructive pulmonary disease

Current Medical Research and Opinion
Mario MalerbaEnrico Clini

Abstract

Objective Platelet activation in COPD patients is associated with an increased risk of cardiovascular events. We aimed at assessing the mean platelet volume (MPV), as an index of platelet activation, in COPD patients both when stable or during acute exacerbation (AE). Research design and methods A total of 478 patients (75 with AE) and 72 age-matched healthy controls were enrolled. Medical history, comorbidities, medications, pulmonary function tests, MPV and blood cell count, erythrocyte sedimentation rate (ERS) and C-reactive protein (CRP) were recorded. Results MPV was higher in COPD than in controls (8.7 ± 1.1 fL and 8.4 ± 0.8 fL respectively, p = 0.025) and increased with the severity of the disease as assessed by post-bronchodilator forced expiratory volume in the first second (FEV1) categorized I to IV (p > 0.05). MPV was higher in COPD patients during AE compared with stable condition (8.7 ± 1.0 fL and 8.9 ± 1.0 fL, p = 0.021). MPV ≥10.5 fL correlated with the presence of at least one co-existing cardiovascular disease (p = 0.008). No correlation was observed between MPV and CRP or ERS in patients or in controls. A negative correlation was found between platelet count and MPV in COPD patients. Limitations The retrospect...Continue Reading

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Nov 5, 2016·Platelets·Patrizia NorisCarlo L Balduini
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