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Abstract
This study was conducted on infants admitted to Zagazig University Hospital with afebrile pneumonia during the period from October 2003 to October Forty infants below six months of age manifested by afebrile chronic chest troubles (cough, tachypnea or wheezes for at least 3 weeks ) were included in our study. Patients with definite lung pathology as lobar pneumonia, effusion or pneumothorax were excluded from the study. Patients with underlying pathology like congenital heart disease, gastro-esophageal reflux, tracheo-esophageal fistula and neuro-muscular disorders proved clinically or radiologically were excluded from the study. Twenty healthy infants in the same age group were included as a control group.
The aim of our study was to detect the prevalence of C. trachomatis as a causative agent among infants presenting with the clinical picture of afebrile pneumonia to Zagazig University Hospital during the period of the study. Full history taking, careful clinical examination was done for all studied subjects. In addition, chest X-ray, complete blood picture and erythrocyte sedimentation rate were done. Also, specific tests for Chlamydia trachomatis as throat swab for detection of the organsm by Giemsa stain and serologic tests by ELISA for detection of anti-Chlamydia trachomatis IgM , IgG and reevaluation of IgG after two weeks to detect it’s rising level. We further subdevided the 40 pateints into two subgroups; either infected or notinfected by Chlamydia trachomatis according to the results of serologic tests.