• Heart Lung · Mar 2016

    The neutrophil-to-lymphocyte ratio in patients with obstructive sleep apnoea syndrome and its relationship with cardiovascular disease.

    • Firat Uygur, Hakan Tanriverdi, Ziyaeddin Aktop, Fatma Erboy, Bulent Altinsoy, Murat Damar, and Figen Atalay.
    • Bulent Ecevit University, Faculty of Medicine, Department of Pulmonary Medicine, Zonguldak, Turkey. Electronic address: dr.fuygur@hotmail.com.
    • Heart Lung. 2016 Mar 1; 45 (2): 121-5.

    ObjectiveTo investigate the association between the neutrophil-to-lymphocyte ratio (NLR) and obstructive sleep apnoea syndrome (OSAS) severity and whether the NLR predicts cardiovascular disease (CVD) in patients with OSAS.BackgroundOSAS is known as a risk factor for CVD. An increased NLR was strongly correlated with cardiovascular outcomes in several studies.MethodsWe retrospectively examined the laboratory data for 289 patients with suspected OSAS evaluated using polysomnography.ResultsThe study included 171 OSAS patients and 118 controls. The NLR was higher in OSAS group than control group. The NLR was significantly higher in patients with CVD than in those without (3.31 ± 1.1 vs. 1.93 ± 0.8, p = 0.002). There were also significant correlations between the NLR and apnoea-hypopnoea index, mean SaO2, and oxygen desaturation index.ConclusionsThere was a significant correlation between the NLR and OSAS severity and the NLR was independently associated with CVD in patients with OSAS.Copyright © 2016 Elsevier Inc. All rights reserved.

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