Surfactant Administration
Surfactant administration strategies have been based on manufacturer guidelines for individual surfactants.1 The dose of surfactant, frequency of administration, and treatment procedures have been modeled after research protocols. Furthermore, repeated doses of surfactants given at intervals for predetermined indications have decreased mortality and morbidity compared with placebo or single surfactant doses.10 However, given the long half-life for surfactant in preterm infants with RDS,20 redosing should not be needed more often than every 12 hours, unless surfactant is being inactivated by an infectious process, meconium, or blood. Dosing intervals shorter than 12 hours recommended by some manufacturers are not based on human pharmacokinetic data.
Surfactant AdministrationSurfactant administration strategies have been based on manufacturer guidelines for individual surfactants.1 The dose of surfactant, frequency of administration, and treatment procedures have been modeled after research protocols. Furthermore, repeated doses of surfactants given at intervals for predetermined indications have decreased mortality and morbidity compared with placebo or single surfactant doses.10 However, given the long half-life for surfactant in preterm infants with RDS,20 redosing should not be needed more often than every 12 hours, unless surfactant is being inactivated by an infectious process, meconium, or blood. Dosing intervals shorter than 12 hours recommended by some manufacturers are not based on human pharmacokinetic data.
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