VentilationAir ConditioningRespiration, ArtificialSick Building SyndromeGas ScavengersAir Pollutants, OccupationalAir MovementsAir Pollution, IndoorAir MicrobiologyVentilator WeaningWeldingDecontaminationOccupational ExposureTidal VolumeVentilators, MechanicalPositive-Pressure RespirationPulmonary VentilationWorkplaceHigh-Frequency VentilationRespiratory InsufficiencyVentilator-Induced Lung InjuryEquipment DesignIntensive Care UnitsStress, MechanicalTracheostomyDustIntubation, IntratrachealRespiratory Distress Syndrome, AdultIntermittent Positive-Pressure VentilationRespiratory MechanicsNoninvasive VentilationIntensive CareCritical IllnessPulmonary Gas ExchangeRespirationTracheotomyPneumonia, Ventilator-AssociatedLung ComplianceCarbon DioxideDiaphragmWork of BreathingHigh-Frequency Jet VentilationAirway ExtubationBlood Gas AnalysisCritical CareLungAPACHERespiratory Distress Syndrome, NewbornIntensive Care Units, PediatricLung InjuryHypercapniaAir PressureTime FactorsAcute Lung InjuryLength of StayOxygenPulmonary AtelectasisBarotraumaProspective StudiesLung Volume MeasurementsVentilation-Perfusion RatioPartial PressureTreatment OutcomeRespiratory Function TestsInfant, NewbornRespiratory TherapyRetrospective StudiesMechanical ProcessesProne PositionAirway ResistanceRespiratory Dead SpaceHospital MortalityVentilators, Negative-PressureLung DiseasesInteractive Ventilatory SupportPneumoniaRespiratory MusclesApneaMasksHeliumOxygen Inhalation TherapyPressureHypnotics and SedativesRespiratory Care UnitsMonitoring, PhysiologicBiomechanical PhenomenaPulmonary EdemaInhalationBronchopulmonary DysplasiaPulmonary SurfactantsPulmonary AlveoliRespiratory ParalysisNeuromuscular DiseasesLung Diseases, ObstructiveInfant, PrematureConscious SedationMechanical PhenomenaFunctional Residual CapacityHemodynamicsRespiratory Physiological Phenomena