eISSN: 1644-4124
ISSN: 1426-3912
Central European Journal of Immunology
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4/2017
vol. 42
 
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abstract:
Clinical immunology

Can mean platelet volume and neutrophil-to-lymphocyte ratio be biomarkers of acute exacerbation of bronchiectasis in children?

Hikmet T. Nacaroglu
,
Semiha Bahceci Erdem
,
Sait Karaman
,
Selcuk Yazıcı
,
Demet Can

(Centr Eur J Immunol 2017; 42 (4): 358-362)
DOI: https://doi.org/10.5114/ceji.2017.72808
Online publish date: 2017/12/30
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Introduction: Bronchiectasis (BE) is a parenchymal lung disease evolving as a result of recurrent lung infections and chronic inflammation. Although it has been shown in adult studies that mean platelet volume (MPV) and neutrophil-to-lymphocyte ratio (NLR) can be used as biomarkers of airway inflammation, knowledge is limited in the paediatric age group. The aim of our study is to investigate the potential of MPV and NLR as biomarkers that may indicate acute exacerbations of non-cystic fibrosis BE in children.

Material and methods: Children with non-cystic fibrosis BE (n = 50), who were followed in the division of Paediatric Pulmonology of our hospital between June 2010 and July 2015, were involved in the present retrospective cross-sectional study. Haemogram values during acute exacerbations and non-exacerbation periods, and a control group were compared.

Results: In children with bronchiectasis, the average leukocyte count (p < 0.001), platelet count

(p = 0.018), absolute neutrophil count (p < 0.001), and NLR (p < 0.001) were higher, as expected, when compared with the control group. NLR values, in the period of acute exacerbation were significantly higher than the values of both the non-exacerbation periods (p = 0.02) and the control group (p < 0.001). In contrast, MPV values in the period of acute exacerbation did not exhibit a significant difference from those of non-exacerbation periods (p = 0.530) and the control group (p = 0.103).

Conclusions: It was concluded that leukocyte count, platelet count, absolute neutrophil count, and NLR can be used to show chronic inflammation in BE, but only NLR and absolute neutrophil count can be used as biomarkers to show acute exacerbations.
keywords:

mean platelet volume, neutrophil-to-lymphocyte ratio, childhood, bronchiectasis

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