Airway ObstructionLaryngeal DiseasesPierre Robin SyndromeAirway ResistanceTracheal StenosisTracheotomyLaryngeal EdemaPharynxLaryngostenosisSleep Apnea, ObstructiveLarynxSleep Apnea SyndromesHypopharynxAir PressurePulmonary VentilationRespiratory MechanicsIntestinal ObstructionHigh-Frequency Jet VentilationCroupTongue DiseasesTracheostomyTracheal DiseasesLung Diseases, ObstructivePolysomnographyLudwig's AnginaGoiter, SubsternalHeliumFailure to ThriveVentilators, Negative-PressureRespiratory Function TestsOropharynxRespiratory SystemTracheal NeoplasmsSnoringIntubation, IntratrachealRespiratory MusclesUvulaAdenoidsUreteral ObstructionRespirationArytenoid CartilageSleepLaryngoscopyForced Expiratory VolumeForced Expiratory Flow RatesAsthmaApneaNasal ObstructionSleep StagesTracheaAdenoidectomyVocal CordsSpirometryTonsillectomyPalate, SoftEpiglottisContinuous Positive Airway PressurePharyngeal MusclesWork of BreathingVocal Cord ParalysisVital CapacityAirway RemodelingTongueBronchiLungArrhythmia, SinusInhalationMaximal Expiratory Flow-Volume CurvesRespiratory Physiological PhenomenaAnesthetics, IntravenousBronchial DiseasesBronchoscopyElectromyographyPositive-Pressure RespirationPlethysmography, Whole BodyBronchitisTomography, X-Ray ComputedDuodenal ObstructionBronchial HyperreactivityLung Volume MeasurementsRetrospective StudiesPulmonary Disease, Chronic ObstructiveBronchoconstrictionRespiratory MucosaTreatment OutcomeOxygenUrinary Bladder Neck ObstructionUrethral ObstructionGlottisBronchial Provocation TestsBronchodilator AgentsGastric Outlet ObstructionNoseInfant, NewbornPressureTotal Lung CapacityExhalationVentricular Outflow ObstructionDyspneaCough