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Chlamydia infection in children with acquired subglottic stenosis
Iouri L Soldatski1, Tatiana V Vinogradova, Alexei V Semyonov
1Department of Otorhinolaryngology, I M Sechenov Moscow Medical Academy, B Pirogovskaya Street, 2/6, Moscow 119881, Russia. ysoldatsky@aport.ru
Insights
Chlamydia pneumoniae infection is common in children with acquired subglottic stenosis, affecting over 26%. Early testing in children with tracheostomies can lead to timely antibiotic treatment.
Area of Science:
- Pediatric Otolaryngology
- Infectious Diseases
- Respiratory Pathology
Background:
- Acquired subglottic stenosis in children can lead to significant airway compromise.
- The role of infectious agents, particularly Chlamydia, in the pathogenesis of this condition requires further investigation.
Purpose of the Study:
- To determine the frequency of Chlamydia infection in children with acquired subglottic stenosis.
- To elucidate the potential role of Chlamydia in the development of acquired subglottic stenosis.
Main Methods:
- Examined 49 pediatric patients (age 1 year 10 months to 15 years) diagnosed with acquired cicatricial laryngotracheal stenosis.
- Utilized the immunofluorescent method to detect serum antibodies against Chlamydia trachomatis and Chlamydia pneumoniae.
- Established positive detection thresholds at serum dilutions of 1:32 for C. trachomatis and 1:64 for C. pneumoniae.
Main Results:
- A high frequency of Chlamydia infection, specifically Chlamydia pneumoniae, was observed in 26.5% of children with acquired subglottic stenosis.
- Among the infected children, 92% either had existing tracheostomies or had undergone previous decannulation, suggesting a link between infection and airway management.
- The study identified a significant association between Chlamydia pneumoniae infection and acquired subglottic stenosis in the pediatric population.
Conclusions:
- Chlamydia pneumoniae infection is a notable factor in the pathogenesis of acquired subglottic stenosis in children.
- Testing children with tracheostomies for Chlamydia infection is recommended for prompt diagnosis.
- Timely and specific antibiotic therapy for Chlamydia infection may improve outcomes for children with acquired subglottic stenosis.
Abstract:
The purpose of the study was to find out the frequency of occurrence and the role of Chlamydia infection in the pathogenesis of acquired subglottic stenosis in children. Forty-nine patients of the age from 1 year 10 months to 15 years with acquired cicatricial laryngotracheal stenosis were examined. The immunofluorescent method was used to detect serum antibodies to the antigens of Chlamydia trachomatis and Chlamydia pneumoniae. Dilutions of 1:32 for C. trachomatis and 1:64 for C. pneumoniae were considered positive. The results of the study suggested both a high frequency (26.5%) of Chlamydia infection (C. pneumoniae) of the children with acquired subglottic stenosis, as well as 92% of infected children were either with tracheotomies or had been decannulated earlier. It reasonable to test children with a tracheostomy for the presence of Chlamydia infection to perform timely and specific antibiotic therapy.