Induced sputum nitrites correlate with FEV1 in children with cystic fibrosis

被引：6
|
作者：
Anil, N. [1 ]
Singh, M. [2 ]
Rajwanshi, A. [3 ]
Vohra, H. [1 ]
机构：
[1] Postgrad Inst Med Educ & Res, Dept Expt Med & Biotechnol, Sector 12, Chandigarh 160012, India
[2] Postgrad Inst Med Educ & Res, Dept Pediat, Chandigarh 160012, India
[3] Postgrad Inst Med Educ & Res, Dept Cytol & Gynaepathol, Chandigarh 160012, India
来源：
ACTA PAEDIATRICA | 2010年 / 99卷 / 05期
关键词：
Cystic fibrosis; Induced sputum; Lung function; Nitrites; PULMONARY-FUNCTION; LUNG-DISEASE; OXIDE GAS; AIRWAYS; BRONCHIECTASIS; INFLAMMATION; METABOLITES; NITRATE;
D O I：
10.1111/j.1651-2227.2010.01682.x
中图分类号：
R72 [儿科学];
学科分类号：
100202 ;
摘要：
Aim: To determine the difference in the levels of nitrites in induced sputum of children with cystic fibrosis (CF) and controls. Furthermore, to evaluate the association between induced sputum nitrites and lung function in children with CF. Methods: Nitrites, cell differentials, white blood cell count, were estimated in induced sputum of 20 children with CF and 10 age-matched healthy controls. Nitrites in induced sputum samples were measured using the Greiss assay. Lung function was ascertained by spirometry. Results: We observed high levels of nitrites in CF (184.8 +/- 11.07 mu M/L) versus controls (56.4 +/- 5.7 mu M/L) (p < 0.01). A positive correlation between neturophil percent and nitrites, white blood cell count and nitrites (p < 0.05) in children with CF was observed. Sputum nitrites correlated negatively with FEV1 (p < 0.05) in children with CF. Conclusion: Induced sputum nitrite could serve as a useful non invasive marker for assessing the degree of inflammation in the airways of children with CF.
引用
收藏
页码：711 / 714
页数：4
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