Respiratory InsufficiencyRespiration, ArtificialHeart FailureExtracorporeal Membrane OxygenationNoninvasive VentilationPositive-Pressure RespirationRespiratory Distress Syndrome, AdultAcute DiseaseHypercapniaVentilator WeaningTreatment FailureIntubation, IntratrachealVentilators, MechanicalMasksFatal OutcomeIntermittent Positive-Pressure VentilationOxygen Inhalation TherapyMultiple Organ FailureIntensive Care UnitsTreatment OutcomeObesity Hypoventilation SyndromePulmonary Disease, Chronic ObstructiveRetrospective StudiesRespiratory Distress Syndrome, NewbornNeuromuscular DiseasesTracheostomyHypoventilationPulmonary EdemaOrganophosphate PoisoningLung Diseases, ObstructivePulmonary Heart DiseaseIntensive CareLungBlood Gas AnalysisOxygenWork of BreathingPulmonary Gas ExchangeStatus AsthmaticusLung DiseasesVentilators, Negative-PressureTime FactorsCritical IllnessPulmonary AtelectasisAnoxiaProspective StudiesAPACHERespiratory ParalysisRespiratory Function TestsIntermediate Care FacilitiesRespiratory Care UnitsDiaphragmPneumoniaRespiratory MusclesCarbon DioxideTissue and Organ ProcurementHospital MortalityOrgan TransplantationPulmonary SurfactantsAirway ExtubationAcidosis, RespiratoryThoracoplastyLung ComplianceInfant, NewbornChronic DiseaseSeverity of Illness IndexRespiratory RateCryptogenic Organizing PneumoniaCritical CareLung Diseases, InterstitialRespiratory TherapyPneumonia, AspirationKidney Failure, ChronicMass Casualty IncidentsAirway ObstructionTracheal DiseasesPneumonia, ViralFailure to ThriveDyspneaPersistent Fetal Circulation SyndromeHigh-Frequency VentilationRespiratory MechanicsPulmonary AlveoliBronchoscopyPartial PressureLength of StayRisk FactorsPrognosisFollow-Up StudiesPostoperative ComplicationsRespiratory System AgentsLiver Failure, AcuteOxygenators, MembraneAcute Lung InjuryDoxapramSurvival RateGoiter, SubsternalPneumothoraxGuillain-Barre SyndromePhencyclidine AbuseOrgan Dysfunction Scores