Intestinal ObstructionIleal DiseasesBezoarsAirway ObstructionJejunal DiseasesIntussusceptionIntestinal AtresiaDuodenal ObstructionMesenteric CystUreteral ObstructionMeconiumColonic DiseasesMeckel DiverticulumLaparotomyHirschsprung DiseaseTreatment OutcomeTissue AdhesionsIleal NeoplasmsHerniaCecal DiseasesIleusIntestinal Pseudo-ObstructionHernia, AbdominalIntestinal VolvulusTuberculosis, GastrointestinalRadiography, AbdominalDuodenal DiseasesIleocecal ValveIntestine, SmallDigestive System Surgical ProceduresLipomaIleumMesocolonIntestinal PerforationFecal ImpactionColon, SigmoidJejunal NeoplasmsAbdominal PainAbdomen, AcuteRetrospective StudiesUrinary Bladder Neck ObstructionUrethral ObstructionColon, AscendingNasal ObstructionEntomophthoralesGastric Outlet ObstructionVitelline DuctEnemaForeign BodiesOutcome Assessment (Health Care)Intestinal FistulaPeritoneal DiseasesIntestinal DiseasesHernia, ObturatorPostoperative ComplicationsColaVentricular Outflow ObstructionIleostomyCecal NeoplasmsPetrolatumGangreneInfant, NewbornColonic Pseudo-ObstructionDuodenostomySurgical SpongesAscariasisJejunumTomography, X-Ray ComputedLaparoscopyDiverticulumFollow-Up StudiesColostomyBarium SulfateVomitingSuperior Mesenteric Artery SyndromeAbdominal NeoplasmsAscaris lumbricoidesIntestine, LargeAnastomosis, SurgicalDigestive System AbnormalitiesDiospyrosCystic FibrosisSclerosisAbdomenDuodenumPregnancy OutcomeInfant, Newborn, DiseasesLacrimal Duct ObstructionAcute DiseaseJejunostomyHerniorrhaphyProspective StudiesPelvic NeoplasmsNigeriaTime FactorsEnteritisColectomyConstipationAppendicitisIntubation, Gastrointestinal