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[Prophylaxis of respiratory syncytial virus (RSV) in preterm infants with/without bronchopulmonary dysplasia: hyperimmune globulin (RSV-IGIV) and palivizumab (MEDI-493)].

Respiratory syncytial virus (RSV) causes seasonal epidemics between December and March (April) and remains the main agent that causes severe lower respiratory tract infections in young infants. Children with bronchopulmonary dysplasia up to 24 months of age and preterm infants with a gestational age of 32 weeks and below, who are less than six months of age, are at highest risk for severe RSV infection. RSV-IGIV has been demonstrated to reduce significantly RSV associated hospitalizations, RSV associated hospital days and the incidence of severe RSV lower respiratory tract infections. Monthly infusions during RSV season were safe and well tolerated. Adverse events related to the hyperimmune globulin infusion were generally mild (< 3%) including fluid overload, decreased oxygen saturation and fever. Palivizumab, an intramuscularly administered humanized monoclonal antibody (RSV-glycoprotein-F antibody), will be preferable for the future because of ease of administration and comparable reduction in the risk of hospitalization. RSV-IGIV and palivizumab are both cost expansive and prophylaxis should be limited to high-risk infants.