Acute respiratory infection is the most common cause of the infections disease in chidren, Although the great majority these infections involve the upper respiratory tract, infections of the lower respiratory tract are sufficiently frequent as to
present almost daily problems to the physician.
This study was performed to develop a broad understanding of the causes and patterns of occurrence of respiratory infections. Four hundred hirty nine children with respiratory tract infections who had admitted to the department of pediatrics.
Kangnam.
St, Marry's Hospital during one year period from January 1, 1994 to December 31, 1994 were involved in the study.
@ES The results were as follows
@EN 1) The rate of respiratory tract infection is 30.7% of total admitted cases, male was more predominant than female(1.7:1) and the most prevalent group is preschool age (58.1%).
2) There were relatively high admission rate in winter and spring.
3) The most common pattern of respiratory infections were pneumonia(52.6%). The second and third common pattern were bronchiolitis(14.6%) and croup(13.6%).
4) In the spring, the common respiratory diseases are brochopneumonia, lobar pneumonia, bronchiolitis, bronchial asthma and mycoplasma pneumonia, in orders, In the summer, bronchopneumonia, lobar pneumonia, bronchial asthma and croup. In the
autumn,
bronchopneumonia, bronchiolitis, croup and lobar pneumonia. In the winter, bronchopneumonia, bronchiolitis, croup and lobar pneumonia.
5) Peripheral blood eosinophilia was seen in bronchial asthma, bronchiolitis and mycoplasma pneumonia.
6) On chest x-ray of lower respiratory diseases, interstitial type was more common than alveolar type and in children with pneumonia, sites of lesion were right middle, left lower, right lower lobe, in orders.
7) Rates of BCG vaccination and PPD positive reaction were 97.8% and 10.3%.
8) 62.5% of children with bronchiolitis were improved after epinephrine administration and 97.5% of chidren with positive response to epinephrine were improved by nebulized salbutamol therapy.
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