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Archivos argentinos de pediatría

Print version ISSN 0325-0075


TEPLISKY, Darío J. et al. Influenza A H1N1 respiratory infection: radiologic findings and correlation with clinical outcome in pediatric inpatients. A pediatric hospital experience. Arch. argent. pediatr. [online]. 2011, vol.109, n.6, pp.525-529. ISSN 0325-0075.

Introduction. In the year 2009, the World Health Organization declared the Influenza A H1N1 virus as a pandemic. It has been reported that the radiographic pattern in chest x-ray may predict the clinical outcome in patients affected. Objective. To describe the chest x-ray fndings in pediatrics patients with confrmed diagnosis of Influenza H1N1 respiratory infection and its correlation with clinical evolution. Population and methods. A retrospective, analytic and descriptive study of 47 pediatric inpatients with confirmed diagnosis of H1N1 influenza who had available chest x-ray was performed. Medical records were reviewed for underlying medical conditions and patient's outcome. Results. 94% of patients had abnormal x-ray. Consolidation and ground-glass opacities had signifcantly higher frequency in patients who needed more days of oxygen supplement. Initial chest x-ray with lobar consolidation was observed in patients with greater risk of Intensive care unit admission. Conclusion. The most frequent radiological patterns found were ground-glass opacities and peribronchial markings. Lobar consolidation and ground-glass opacities are associated with adverse outcome.

Keywords : Influenza A virus; H1N1 subtype; Radiography; Thoracic; Child.

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