To assess the impact of calfactant (a modified natural bovine lung surfactant) in immunocompromised children with acute lung injury and to determine the number of patients required for a definitive clinical trial of calfactant in this population.
Department of Pediatrics, Division of Pediatric Critical Care Medicine, Penn State Children's Hospital, The Pennsylvania State University College of Medicine, Hershey, PA, USA. rtamburropsu.edu