Respiratory InsufficiencyRespiration, ArtificialHeart FailureExtracorporeal Membrane OxygenationNoninvasive VentilationPositive-Pressure RespirationRespiratory Distress Syndrome, AdultAcute DiseaseHypercapniaVentilator WeaningTreatment FailureIntubation, IntratrachealVentilators, MechanicalMasksIntermittent Positive-Pressure VentilationFatal OutcomeOxygen Inhalation TherapyIntensive Care UnitsObesity Hypoventilation SyndromeTreatment OutcomePulmonary Disease, Chronic ObstructiveRespiratory Distress Syndrome, NewbornTracheostomyNeuromuscular DiseasesHypoventilationOrganophosphate PoisoningLung Diseases, ObstructivePulmonary Heart DiseasePulmonary EdemaRetrospective StudiesIntensive CareWork of BreathingBlood Gas AnalysisOxygenPulmonary Gas ExchangeLungStatus AsthmaticusVentilators, Negative-PressureLung DiseasesMultiple Organ FailurePulmonary AtelectasisCritical IllnessAnoxiaRespiratory ParalysisIntermediate Care FacilitiesRespiratory Function TestsRespiratory Care UnitsRespiratory MusclesDiaphragmPneumoniaProspective StudiesAPACHECarbon DioxideTime FactorsHospital MortalityAirway ExtubationPulmonary SurfactantsAcidosis, RespiratoryThoracoplastyLung ComplianceInfant, NewbornChronic DiseaseRespiratory RateCryptogenic Organizing PneumoniaRespiratory TherapyLung Diseases, InterstitialPneumonia, AspirationCritical CareMass Casualty IncidentsSeverity of Illness IndexAirway ObstructionKidney Failure, ChronicTracheal DiseasesFailure to ThrivePneumonia, ViralDyspneaPersistent Fetal Circulation SyndromeHigh-Frequency VentilationRespiratory MechanicsBronchoscopyPartial PressurePulmonary AlveoliLength of StayFollow-Up StudiesRespiratory System AgentsRisk FactorsPrognosisOxygenators, MembraneLiver Failure, AcuteDoxapramGoiter, SubsternalPostoperative ComplicationsAcute Lung InjuryPneumothoraxGuillain-Barre SyndromePhencyclidine AbuseEquipment FailureSurvival RateOrgan Dysfunction ScoresTracheal Stenosis