Intestinal ObstructionIleal DiseasesBezoarsJejunal DiseasesTissue AdhesionsIntestine, SmallDiatrizoate MeglumineVitelline DuctMeckel DiverticulumHerniaDuodenal ObstructionIleusIntussusceptionLaparotomyAirway ObstructionColonic DiseasesHernia, AbdominalIntubation, GastrointestinalDigestive System Surgical ProceduresUreteral ObstructionBarium SulfateIntestinal AtresiaLaparoscopyDiverticulumIntestinal PerforationPostoperative ComplicationsAbdomen, AcuteIntestinal FistulaGangrenePeritoneal DiseasesIleumSurgical SpongesIleal NeoplasmsAbdominal PainTomography, X-Ray ComputedIntestinal VolvulusForeign-Body MigrationIleocecal ValveIntestinal DiseasesIntestinal Pseudo-ObstructionColectomyVagotomy, TruncalCalculiIntestinal NeoplasmsSteatorrheaTreatment OutcomeHirschsprung DiseaseGallstonesAppendixMesenteric CystCapsule EndoscopyRadiography, AbdominalMeconiumAppendicitisDuodenal DiseasesIleostomyRetrospective StudiesJejunal NeoplasmsSecond-Look SurgeryMesenteryGastrostomyProctocolectomy, RestorativeReoperationEnemaUrinary Bladder Neck ObstructionUrethral ObstructionJejunumFecal ImpactionNasal ObstructionGastric Outlet ObstructionPeritonitisTuberculosis, GastrointestinalInflammatory Bowel DiseasesCecal DiseasesColostomyVentricular Outflow ObstructionIntestine, LargeForeign BodiesAnastomosis, SurgicalCrohn DiseaseJejunostomyShort Bowel SyndromeDigestive System AbnormalitiesSclerosisGastrointestinal MotilityAbdominal NeoplasmsLipomaColon, SigmoidTime FactorsAbdomenMesocolonEndoscopy, GastrointestinalLacrimal Duct ObstructionVomitingFollow-Up StudiesProspective StudiesIrritable Bowel SyndromeLength of StayContrast MediaDuodenum