The Effect of Peripheral Blood Eosinophilia on Inflammatory Markers in Asthmatic Patients with Lower Respiratory Tract Infections

Overview

Journal J Int Med Res

Publisher Sage Publications

Specialty General Medicine

Date 2019 Apr 23

PMID 31006357

Citations 4

Authors

Yakup Cag

Yakup Pacal

Mehmet Gunduz

Sakine Isik

Birgul Altinsoy Kertmen

Necmettin Toprak

Sadik Erhan Ozaydin

Mustafa Ozcetin

Arif Kut

Affiliations

Soon will be listed here.

Abstract

Background: To investigate the behaviour of the inflammatory marker neutrophil-to-lymphocyte ratio (NLR) in the presence of peripheral blood eosinophilia (PBE) in paediatric asthma patients with lower respiratory tract (LRT) infections.

Methods: This retrospective study enrolled consecutive patients aged ≥5 years who were diagnosed with asthma and whose haemogram values were available. The patients were further subdivided based on the presence or absence of LRT infections and allergies. NLR and C-reactive protein (CRP) were evaluated in relation to the presence or absence of PBE (≥4% eosinophils).

Results: A total of 991 patients were enrolled in the study. Patients with LRT infections had significantly higher leucocyte and neutrophil counts, a greater NLR and a higher level of CRP compared with patients without LRT infections. Overall, patients with PBE had significantly lower NLRs and CRP regardless of the presence or absence of an LRT infection. The PBE percentage showed moderate inverse correlations with NLR ( r = -0.34) and CRP ( r = -0.20).

Conclusion: The presence of PBE was significantly associated with lower NLR and CRP regardless of the presence or absence of an infectious condition.

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