Poractant lowers surface tension on alveolar surfaces during respiration and stabilizes alveoli against collapse at resting transpulmonary pressures. It is indicated to treat respiratory distress syndrome in premature infants. Poractant is for ET use only. Curosurf has an SP-B content of 30%.ight: Repeat chest radiograph obtained when the neonate is aged 3 hours and after surfactant therapy demonstrates marked improvement. Microscopic appearance of lungs of an infant with respiratory distress syndrome.
President Dwight D. Eisenhower established NASA in 1958 with a distinctly civilian (rather than military) orientation encouraging peaceful applications in space science. The National Aeronautics and Space Act was passed on July 29, 1958, disestablishing NASA's predecessor, the National Advisory Committee for Aeronautics (NACA). The new agency became operational on October 1, 1958.
United States Army Aviation Branch. The United States Army Aviation Branch is the administrative organization within the United States Army responsible for doctrine, manning and configuration for all aviation units.