Intestinal ObstructionAirway ObstructionUreteral ObstructionColonic DiseasesColonColonic NeoplasmsDuodenal ObstructionUrinary Bladder Neck ObstructionUrethral ObstructionNasal ObstructionGastric Outlet ObstructionVentricular Outflow ObstructionIntestinal MucosaLacrimal Duct ObstructionColonic PolypsCholestasisColitisColonic Pseudo-ObstructionHydronephrosisCholestasis, ExtrahepaticGastrointestinal MotilityGastrointestinal TransitBezoarsDiverticulosis, ColonicIleal DiseasesLung Diseases, ObstructiveJejunal DiseasesForced Expiratory VolumeConstriction, PathologicColitis, UlcerativeDiverticulitis, ColonicNasolacrimal DuctSpirometryTissue AdhesionsDextran SulfateTreatment OutcomeKidney PelvisIntestine, SmallColonoscopyVital CapacityRespiratory Function TestsRectumBronchial DiseasesDiverticulum, ColonConstipationAzoxymethaneDefecationAirway ResistanceColon, SigmoidTomography, X-Ray ComputedStentsEndoscopyTrinitrobenzenesulfonic AcidUreterColectomyPostoperative ComplicationsAnastomosis, SurgicalSigmoid DiseasesColostomyColonic Diseases, FunctionalSuperior Vena Cava SyndromeCardiomyopathy, HypertrophicIntussusceptionIntestinal PerforationTime FactorsRetrospective StudiesEnemaLaryngeal DiseasesTracheal StenosisPalliative CareDisease Models, AnimalJaundice, ObstructiveIntestinal Pseudo-ObstructionAsthmaTracheal DiseasesDigestive System Surgical ProceduresPulmonary Disease, Chronic ObstructiveLaparotomyBarium SulfateCommon Bile DuctCrohn DiseaseColitis, IschemicIleumDiatrizoate MeglumineIntestine, LargeAdenomaCatheterizationIntestinal AtresiaMucinsDimethylhydrazinesFollow-Up StudiesBronchitisRetroperitoneal FibrosisIleusMuscle, SmoothAbdominal PainRadioisotope RenographyDacryocystorhinostomyCecumHernia