الفهرس 
INTRODUCTION & AIM OFTHEWORKOnly 14 pages are availabe for public view
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Abstract
Respiratory tract diseases are important causes of morbidity and mortality throughout the developiug world . Respiratory tract infection is the commonest cause of illness in the childhood population , resulting in 4 - 15 million deaths per year under the age of 5 world wide ( Robert , 2000 )
This study iucluded tabulation of data collected from files of children attending the outpatient chest clinic, Pediatric hospital, Ain Shams University from 1990 to 1999 .
This study showed that majority of cases, 847 cases ( 70%) were asthmatic, 315 cases (26%) were tuberculous and 39 cases (4%) represent others chest disease .
The pediatric age group 1-3year is the predominant astlunatic group attendiug chest clinic, while iu tuberculous group it was 6 - 12 year . The majority of asthmatic children had an age of onset of astluna at 1-3 year , wllile in tuberculous children it was 6 - 12 year
48.1 % of astlunatic cases had(+ ve) family history, while 51.9% had (-ve ) family history of allergy. 39.7% had at least one parent who is a smoker.
The most common complaiut of asthmatic children was cough ( 28.7%) , while iu tuberculous children was (cough, dyspnea, repeated chest iufection ) .
The patients of chest clinic showed good compliance for therapy iu both asthmatic children ( 75.4%) and tuberculous children ( 87.6% ).
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Summary and Conclusion
Males were more affected than females in all chest diseases , however females were higher among the severe asthmatics .
55.6% of tuberculous children were vaccinated, also there is an ascending pattern of BCG vaccination along the last 10 years .
31.7% of tuberculous children had a (+ ve) family of tuberculosis.
37.5 %of tuberculous children were tuberculin(+ ve), while ( 62.5%)
were tuberculin(- ve ).
The pulmonary tuberculosis represent about ( 36.2% ) ,while the most common type in extrapulmonary tuberculosis was tuberculous lymphadenitis ( 31.7%) The commonest type of tuberculous lymphadenitis was axillary lymphadenitis (45%).