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Radiologic Findings of Childhood Lower Respiratory Tract Infection by Influenza Virus
Journal of the Korean Radiological Society ; : 227-231, 2002.
Artículo en Coreano | WPRIM | ID: wpr-162612
ABSTRACT

PURPOSE:

After the RS (respiratory syncytial) virus, the influenza virus is the most common cause of childhood lower respiratory tract infection. We assessed the radiologic findings of childhood lower respiratory tract infection by the influenza virus. MATERIALS AND

METHODS:

A total of 105 pediatric patients (76 males and 29 females; mean age, 2.4 years) with symptoms of respiratory tract infection were examined between March 1997 and April 2000. Nasopharyngeal aspirates were obtained and influenza virus infection was confirmed by direct or indirect immunofluorescent assays. Peribronchial infiltration, hyperinflation, atelectasis, pulmonary consolidation, and hilar lymphadenopathy were evaluated retrospectively at simple chest radiography.

RESULTS:

Bilateral perihilar peribronchial infiltration was noted in 78.1% of patients (n=82), hyperinflation in 63.8% (n=67), atelectasis in 3.8% (n=4; segmental 50%, lobar 50%), and pulmonary consolidation in 16.2% [n=17; segmental 70.6% (n=12), lobar 29.4% (n=5)]. Hilar lymphadenopathy was noted in one patient in whom there was no pleural effusion, and subglottic airway narrowing in 12 of 14 in whom the croup symptom complex was present.

CONCLUSION:

The major radiologic findings of influenza virus infection were bilateral perihilar peribronchial infiltration and hyperinflation. In some patients, upper respiratory tract infection was combined with subgolttic airway narrowing. Atelectasis or pleural effusion was rare.
Asunto(s)

Texto completo: Disponible Índice: WPRIM (Pacífico Occidental) Asunto principal: Orthomyxoviridae / Derrame Pleural / Sistema Respiratorio / Infecciones del Sistema Respiratorio / Atelectasia Pulmonar / Tórax / Radiografía / Crup / Estudios Retrospectivos / Gripe Humana Tipo de estudio: Estudio diagnóstico / Estudio observacional Límite: Femenino / Humanos / Masculino Idioma: Coreano Revista: Journal of the Korean Radiological Society Año: 2002 Tipo del documento: Artículo

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Texto completo: Disponible Índice: WPRIM (Pacífico Occidental) Asunto principal: Orthomyxoviridae / Derrame Pleural / Sistema Respiratorio / Infecciones del Sistema Respiratorio / Atelectasia Pulmonar / Tórax / Radiografía / Crup / Estudios Retrospectivos / Gripe Humana Tipo de estudio: Estudio diagnóstico / Estudio observacional Límite: Femenino / Humanos / Masculino Idioma: Coreano Revista: Journal of the Korean Radiological Society Año: 2002 Tipo del documento: Artículo