Respiratory Distress Syndrome, AdultPulmonary EdemaRespiratory Distress Syndrome, NewbornRespiration, ArtificialAcute Lung InjuryPulmonary SurfactantsPositive-Pressure RespirationLungSyndromeBarotraumaTidal VolumeInfant, NewbornEdemaProne PositionPulmonary Gas ExchangeHigh-Frequency VentilationInfant, PrematureLung InjuryPulmonary AlveoliExtravascular Lung WaterPulmonary Surfactant-Associated Protein BLung ComplianceBronchoalveolar Lavage FluidBlood Gas AnalysisRespiratory InsufficiencyRespiratory MechanicsRespiratory Dead SpaceVentilator-Induced Lung InjuryExtracorporeal Membrane OxygenationLung DiseasesPulmonary CirculationOxygenFetal Organ MaturityVentilators, MechanicalBiological ProductsPneumothoraxIntensive Care UnitsRadiography, ThoracicBrain EdemaInfant, Premature, DiseasesGestational AgeBronchopulmonary DysplasiaPneumoniaRespiratory AspirationOxygenators, MembraneFatty AlcoholsAPACHEMultiple Organ FailureFatal OutcomeCapillary PermeabilityProspective StudiesBlood-Air BarrierSepsisPulmonary AtelectasisHyaline Membrane DiseaseTreatment OutcomePulmonary Surfactant-Associated Protein CAcute DiseaseAltitude SicknessCritical CarePulmonary Surfactant-Associated ProteinsAmniotic FluidLung Volume MeasurementsIntensive CareOxygen Inhalation TherapyPregnancyPartial PressureCritical IllnessAdministration, InhalationRetrospective StudiesInfant, Newborn, DiseasesPulmonary Surfactant-Associated Protein AHemodynamicsIntensive Care, NeonatalIntensive Care Units, NeonatalTime FactorsBetamethasoneSurface TensionIntubation, IntratrachealAnoxiaRespiratory Function TestsDisease Models, AnimalRisk FactorsAdrenal Cortex HormonesSmoke Inhalation InjuryTuberculosis, MiliarySeverity of Illness IndexProteolipidsPneumonia, AspirationTocolysisRespiratory TherapyFluid TherapyInfant, Very Low Birth WeightShockBronchoalveolar LavageIntubationNeutrophilsEmbolism, FatCarbon DioxidePulmonary Wedge Pressure