Please use this identifier to cite or link to this item: https://observatorio.fm.usp.br/handle/OPI/23808
Title: Pulmonary Surfactant in Respiratory Syncytial Virus Bronchiolitis: The Role in Pathogenesis and Clinical Implications
Authors: BARREIRA, Eliane RoseliPRECIOSO, Alexander RobertoBOUSSO, Albert
Citation: PEDIATRIC PULMONOLOGY, v.46, n.5, p.415-420, 2011
Abstract: Respiratory syncytial virus (RSV) bronchiolitis is the leading cause of lower respiratory tract infection, and the most frequent reason for hospitalization among infants throughout the world. In addition to the acute consequences of the disease, RSV bronchiolitis in early childhood is related to further development of recurrent wheezing and asthma. Despite the medical and economic burden of the disease, therapeutic options are limited to supportive measures, and mechanical ventilation in severe cases. Growing evidence suggests an important role of changes in pulmonary surfactant content and composition in the pathogenesis of severe RSV bronchiolitis. Besides the well-known importance of pulmonary surfactant in maintenance of pulmonary homeostasis and lung mechanics, the surfactant proteins SP-A and SP-D are essential components of the pulmonary innate immune system. Deficiencies of such proteins, which develop in severe RSV bronchiolitis, may be related to impairment in viral clearance, and exacerbated inflammatory response. A comprehensive understanding of the role of the pulmonary surfactant in the pathogenesis of the disease may help the development of new treatment strategies. We conducted a review of the literature to analyze the evidences of pulmonary surfactant changes in the pathogenesis of severe RSV bronchiolitis, its relation to the inflammatory and immune response, and the possible role of pulmonary surfactant replacement in the treatment of the disease. Pediatr Pulmonol. 2011; 46:415-420. (c) 2010 Wiley-Liss, Inc.
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Artigos e Materiais de Revistas Científicas - HC/ICr
Instituto da Criança - HC/ICr

Artigos e Materiais de Revistas Científicas - HU
Hospital Universitário - HU


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