Airway ObstructionLaryngeal DiseasesPierre Robin SyndromeAirway ResistanceTracheal StenosisTracheotomyLaryngeal EdemaPharynxLaryngostenosisSleep Apnea, ObstructiveLarynxSleep Apnea SyndromesHypopharynxAir PressurePulmonary VentilationRespiratory MechanicsHigh-Frequency Jet VentilationIntestinal ObstructionCroupTracheostomyTongue DiseasesLung Diseases, ObstructiveTracheal DiseasesPolysomnographyLudwig's AnginaGoiter, SubsternalHeliumVentilators, Negative-PressureFailure to ThriveOropharynxRespiratory Function TestsRespiratory SystemTracheal NeoplasmsSnoringIntubation, IntratrachealRespiratory MusclesUvulaAdenoidsRespirationUreteral ObstructionArytenoid CartilageSleepLaryngoscopyForced Expiratory VolumeForced Expiratory Flow RatesAsthmaApneaNasal ObstructionSleep StagesTracheaAdenoidectomyVocal CordsSpirometryTonsillectomyPalate, SoftEpiglottisWork of BreathingContinuous Positive Airway PressurePharyngeal MusclesVocal Cord ParalysisAirway RemodelingVital CapacityTongueBronchiLungArrhythmia, SinusInhalationMaximal Expiratory Flow-Volume CurvesRespiratory Physiological PhenomenaAnesthetics, IntravenousPositive-Pressure RespirationElectromyographyBronchial DiseasesPlethysmography, Whole BodyBronchoscopyBronchitisDuodenal ObstructionBronchial HyperreactivityLung Volume MeasurementsBronchoconstrictionRespiratory MucosaOxygenUrinary Bladder Neck ObstructionUrethral ObstructionPulmonary Disease, Chronic ObstructiveGlottisBronchial Provocation TestsBronchodilator AgentsGastric Outlet ObstructionTomography, X-Ray ComputedNosePressureTotal Lung CapacityVentricular Outflow ObstructionExhalationTreatment OutcomeResidual VolumeHypoglossal NerveDyspneaCough