- Affection of respiratory tract in children who had laryngotracheitis: retrospective analysis
Affection of respiratory tract in children who had laryngotracheitis: retrospective analysis
PERINATOLOGIYA I PEDIATRIYA. 2016.3(67):102-105; doi 10.15574/PP.2016.67.102
Affection of respiratory tract in children who had laryngotracheitis: retrospective analysis
Stanislavchuk L. M.
Vinnytsya National Medical University n.a. N.I. Pirogov, Ukraine
Purpose — to determine the frequency of acute respiratory diseases of upper and lower respiratory tract and asthma in children who had laryngotracheitis.
Patients and methods. A questionnaire was used to obtain life history of 405 children aged 6–14 years: 207 children with a history of laryngotracheitis and 198 children without a history of laryngotracheitis and asthma (control group). Children with laryngotracheitis were divided in two groups: 133 children with 1–3 episodes of laryngotracheitis and 74 children with recurrent (4 or more episodes of laryngotracheitis) laryngotracheitis. Cases of frequent acute respiratory infections of upper respiratory tract (4 episodes and more during the year) in the first year of life and after the first year of life, cases of pneumonia, recurrent bronchial obstructive syndrome and recurrent bronchitis without bronchial obstructive syndrome as well as cases of subsequent development of asthma in children with laryngotracheitis were analyzed.
Results. The percentage of children with frequent acute respiratory infections of the upper respiratory tract in the first year of life, and after the first year of life among children with laryngotracheitis exceeded the appropriate values in the control group by 8.1 and 3.4 times, respectively, and the percentage of children with pneumonia, recurrent bronchial obstructive syndrome and recurrent bronchitis without bronchial obstructive syndrome — by 1.9, 2.6 and 2.9 times, respectively. The percentage of children with frequent acute respiratory infections of the upper respiratory tract in the first year of life, and after the first year of life was higher among children with recurent laryngotracheitis than among children with 1–3 episodes of recurent laryngotracheitis by 1.7 and 2.0 times, respectively. The percentage of children with pneumonia in history among children with 1–3 episodes of laryngotracheitis and children with recurent laryngotracheitis was 19.5% and 20.3%, respectively. The percentage of children with recurrent bronchial obstructive syndrome and recurrent bronchitis without bronchial obstructive syndrome among children with recurent laryngotracheitis exceeded the appropriate values in the control by 3.6 and 4.1 times, respectively. There were no significant differences in frequency of recurrent bronchial obstructive syndrome and recurrent bronchitis without bronchial obstructive syndrome between children with 1–3 episodes of laryngotracheitis and the control. Six patients among 74 with recurent laryngotracheitis have developed asthma, unlike children with 1–3 episodes of laryngotracheitis (p<0.01).
Conclusions. The frequency of pneumonia and frequent acute respiratory infections of the upper respiratory tract in the first year of life and after the first year of life in children who had laryngotracheitis was significantly higher than in the control (p<0.01). Acute respiratory infections incidence was the highest among children with recurent laryngotracheitis. The percentage of children with recurrent bronchial obstructive syndrome and recurrent bronchitis without bronchial obstructive syndrome among children with recurent laryngotracheitis significantly exceeded the appropriate values in the control group (p<0.05). Unlike children with 1–3 episodes of LT, 8.1% of patients with recurent laryngotracheitis have subsequently developed asthma (p<0.01).
Key words: laryngotracheitis, recurrent laryngotracheitis, acute respiratory infections, asthma.
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