Respiratory syncytial virus is the most common cause of lower respiratory infection (bronchiolitîs and pneumonia) ofinfancy and early childhood. We analyzed clinical and radiological features of 76 patîents with lower respiratory infections by respiratory syncytîal virus. which were diagnosed by indirect immunofluorescent test or culture of nasal aspirate in Hep-2 cell monolayer. during the period of January-December. 1991.There were peaks of incidences in March-May and November-December. accountîng for 87% of eases. Sixtytwo cases (82%) were under 1 year of age. Fifty cases (66%) had underlying diseases Major radiographical findings were overaeration (83%). parahilar peribronchial infiltrates (67%). segmental or subsegmental atelectasis (32 %). and segmental or lobar conso1idation (16%). In 15 cases (20%). overaeration was the only radiological findings. There was no evidence of pleural effusion or hilar lymph node enlargement in all cases. (1 -6). 비홉인물 ( nasal aspirate) 에서 면역현광 검사법과
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