Tıp Fakültesi / Faculty of Medicine

Permanent URI for this collectionhttps://hdl.handle.net/11727/1403

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Author: search.filters.author.Koksal, Burcu TahireSubject: search.filters.subject.Asthma

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    Effect of Obesity on Pulmonary Function in Children with Mild Persistent Asthma
    (2016) Koksal, Burcu Tahire; Ozbek, Ozlem Yilmaz; 0000-0001-9580-7656; AAF-2109-2021
    Objective: The prevalence of asthma is increased in obese individuals. There is no concrete evidence that an increase in body mass index is associated with a loss of pulmonary function in childhood asthma. Our aim was to investigate the effect of obesity, atopy, and sex on pulmonary function in asthmatic children. Materials and Methods: This study is a cross-sectional analysis in children with mild persistent asthma. A total of 76 obese and 55 lean children with asthma were recruited. All of the participants were assessed by pulmonary function tests. Skin prick tests including common aeroallergens were performed to all patients. Results: No differences were found in pulmonary function test parameters between obese and lean patients with asthma. In obese patients with asthma, the ratio of forced expiratory volume in 1 s to forced vital capacity (FEV1/FVC) was significantly lower in nonatopic (92.1+/-6.4) than in atopic patients (95.5+/-5.3, p=0.02). We also demonstrated that FEV1/FVC was significantly lower in nonatopic obese patients (92.1+/-6.4) than in nonatopic lean patients with asthma (95.6+/-4.7, p=0.05). Conclusion: Obesity does not seem to be affecting pulmonary function in children with well-controlled mild persistent asthma. However, airways of nonatopic obese asthmatics are negatively affected.
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    Angiopoietin-1, Angiopoietin-2, and Periostin Levels in Children with Recurrent Wheeze
    (2018) Koksal, Burcu Tahire; Aydin, Beril Ozdemir; Tekindal, Agah; Ozbek, Ozlem Yilmaz
    Background: Recurrent wheeze (RW) is frequent in preschool children. Wheezing phenotypes, asthma predictive index (API), and modified API (mAPI) have been described for clinical purposes. Our aim was to examine whether inflammatory markers including serum angiopoietin (Ang)-1, Ang-2, and periostin levels differ according to wheezing phenotypes and mAPI. Materials and Methods: Ninety-eight children who were <4 years of age with history of at least 4 episodes of wheezing during the past 12 months and 51 age-matched healthy controls were included in the study. Children with RW were classified according to wheezing phenotypes as episodic viral wheeze or multitrigger wheeze, and positive or negative mAPI. Blood for Ang-1, Ang-2, and periostin levels was drawn during wheezing episode-free periods. Results: Atopic children with RW (31.4 +/- 34.4 ng/mL) demonstrated higher serum Ang-1 levels than nonatopic children (16.5 +/- 13.8 ng/mL) with RW (P = 0.03). When we compared children according to wheezing phenotypes, we could not find any difference in serum Ang-1, Ang-2, and periostin levels between groups. Children with positive mAPI showed similar Ang-1, Ang-2, and periostin levels with children having negative API and healthy children. Conclusions: We have found higher serum Ang-1 levels in atopic children with RW, and this result might be explained by increased inflammation. The evidence was not strong enough to associate serum Ang-1, Ang-2, or periostin and asthma in preschool children with RW. However, Ang-1 can be a candidate for investigating its role in predicting atopic children and diagnosing atopic childhood asthma.