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The Association of Chlamydia pneumoniae Infection and Reactive Airway Disease in Children

Umit Emre, MD; Patricia M. Roblin, MS; Maureen Gelling, RN; Wilson Dumornay; Madu Rao, MD; Margaret R. Hammerschlag, MD; Julius Schachter, PhD
Arch Pediatr Adolesc Med. 1994;148(7):727-732. doi:10.1001/archpedi.1994.02170070065013.
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Objective:  To determine the possible association of Chlamydia pneumoniae infection and reactive airway disease in children.

Design:  Prospective observational study.

Setting:  Pediatric emergency department in Children's Medical Center of Brooklyn (NY), Kings County Hospital Center.

Participants:  One hundred eighteen children with acute episodes of wheezing and 41 age- and sex-matched healthy controls, aged 5 to 16 years.

Interventions:  Children with cultures positive for C pneumoniae were treated with antibiotics.

Measurements/Main Results:  Cultures for C pneumoniae and serum samples for antibody testing were obtained from subjects and healthy controls. We isolated C pneumoniae from 13 (11%) children with wheezing and from two (4.9%) controls. Seven (58.3%) of 12 children with positive cultures had no detectable antibody to C pneumoniae and only three (25%) children had serologic evidence of acute infection. Six children had positive cultures on multiple occasions, ranging from 1 to 5 months. The children with wheezing were treated with erythromycin or clarithromycin, a new macrolide antibiotic approved for use in adults; all eventually had a negative culture. Nine (75%) of these children demonstrated clinical and laboratory improvement of the reactive airway disease after the eradication of chlamydial infection.

Conclusions:  Infection with C pneumoniae can trigger acute episodes of wheezing in children with asthma. Treatment of C pneumoniae infection may improve the course of reactive airway disease in these patients.(Arch Pediatr Adolesc Med. 1994;148:727-732)


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