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  • Title: Randomised comparison of partial liquid ventilation, nebulised perfluorocarbon, porcine surfactant, artificial surfactant, and combined treatments on oxygenation, lung mechanics, and survival in rabbits after saline lung lavage.
    Author: Kelly KP, Stenson BJ, Drummond GB.
    Journal: Intensive Care Med; 2000 Oct; 26(10):1523-30. PubMed ID: 11126267.
    Abstract:
    OBJECTIVE: To compare gas exchange, lung mechanics, and survival to 12 h in surfactant-depleted lung-injured rabbits, treated with partial liquid ventilation (PLV) with perfluorocarbon, nebulised perfluorocarbon, and porcine or artificial surfactant. DESIGN: Prospective randomised controlled study. SETTING: Animal laboratory, University of Edinburgh, UK. SUBJECTS: Eighty-two adult female New Zealand white rabbits with surfactant deficiency and acute lung injury induced by repeated saline lavage. INTERVENTIONS: Animals were randomised to one of seven treatments: (a) control (n = 20); (b) PLV with perfluorocarbon PF 5080 (n = 12); (c) nebulised PF 5080 (n = 10); (d) artificial surfactant (n = 10); (e) porcine surfactant (n = 10); (f) artificial surfactant+PLV (n = 10); (g) porcine surfactant+PLV (n = 10). MEASUREMENTS AND MAIN RESULTS: Arterial blood gases and dynamic compliance (Cdyn) were measured hourly until 12 h. Oxygenation was improved by PLV, porcine surfactant, porcine surfactant+PLV and artificial surfactant+PLV. Cdyn improved after treatment with PLV, porcine surfactant and PLV+porcine surfactant. Survival was greater with PLV and artificial surfactant+PLV. Neither nebulised PF 5080 nor artificial surfactant had a detectable effect. CONCLUSIONS: PLV, porcine surfactant and combinations of surfactant with PLV improved oxygenation, Cdyn and survival, but none was clearly superior to the others.
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