IleusIntestinal ObstructionIleal DiseasesBezoarsTissue AdhesionsJejunal DiseasesAirway ObstructionIntestinal Pseudo-ObstructionPulmonary Disease, Chronic ObstructiveSleep Apnea, ObstructiveIntestine, SmallColonic DiseasesDiatrizoate MeglumineUreteral ObstructionLung Diseases, ObstructiveHerniaDuodenal ObstructionIntussusceptionLaparotomyDigestive System Surgical ProceduresVitelline DuctIntubation, GastrointestinalMeckel DiverticulumInflammatory Bowel DiseasesPostoperative ComplicationsHernia, AbdominalIntestinal AtresiaJaundice, ObstructiveLaparoscopyBarium SulfateMeconiumGallstonesGastric Outlet ObstructionIntestinal FistulaIrritable Bowel SyndromeTomography, X-Ray ComputedIntestinal VolvulusTreatment OutcomeGastrointestinal MotilityUrethral ObstructionIleocecal ValvePeritoneal DiseasesIleostomyIntestinal PerforationNasal ObstructionRadiography, AbdominalSigmoid DiseasesColostomyColectomyAbdominal PainAbdomen, AcuteUrinary Bladder Neck ObstructionVentricular Outflow ObstructionRetrospective StudiesFecal ImpactionIntestinal DiseasesIntestinal NeoplasmsDiverticulumIntestine, LargeAnastomosis, SurgicalPolysomnographyGastrointestinal AgentsIleumEnemaForced Expiratory VolumeCapsule EndoscopyForeign-Body MigrationGastrostomyCholestasisJejunostomySpirometryDuodenal DiseasesCalculiGangreneMesenterySclerosisProspective StudiesAbdomenProctocolectomy, RestorativeDirect Service CostsPalliative CareCrohn DiseaseAbdominal NeoplasmsColitis, UlcerativeTime FactorsRespiratory Function TestsLacrimal Duct ObstructionGastroschisisReoperationSurgical SpongesShort Bowel SyndromeGastrointestinal TransitFollow-Up StudiesForeign BodiesColonEndoscopy, GastrointestinalVagotomy, TruncalDigestive System AbnormalitiesAppendixAppendicitis