Intestinal ObstructionEmergenciesAbdomen, AcuteEmergency TreatmentTorsion AbnormalitySpermatic Cord TorsionIntestinal PerforationIleal DiseasesPeptic Ulcer PerforationPneumoperitoneumAppendicitisBezoarsSurgical Procedures, OperativeEmergency Service, HospitalAirway ObstructionJejunal DiseasesIntussusceptionIntestinal AtresiaDuodenal ObstructionMesenteric CystIncidenceUreteral ObstructionColonic DiseasesMeconiumMeckel DiverticulumEmergency MedicineLaparotomyHirschsprung DiseaseAcute DiseaseEmergency Medical ServicesTreatment OutcomeTissue AdhesionsIleal NeoplasmsHerniaHernia, AbdominalCecal DiseasesIleusIntestinal VolvulusIntestinal Pseudo-ObstructionTuberculosis, GastrointestinalRadiography, AbdominalDuodenal DiseasesIntestine, SmallIleocecal ValveDigestive System Surgical ProceduresEmergency NursingLipomaIleumMesocolonAbdominal PainColon, SigmoidJejunal NeoplasmsFecal ImpactionRetrospective StudiesForeign BodiesUrethral ObstructionUrinary Bladder Neck ObstructionColon, AscendingNasal ObstructionGastric Outlet ObstructionEntomophthoralesEnemaIntestinal FistulaVitelline DuctPeritoneal DiseasesIntestinal DiseasesPostoperative ComplicationsInfant, NewbornHernia, ObturatorColaCecal NeoplasmsIleostomyVentricular Outflow ObstructionTomography, X-Ray ComputedGangrenePetrolatumSurgical SpongesVomitingColonic Pseudo-ObstructionDuodenostomyAscariasisJejunumDiverticulumBarium SulfateColostomyProspective StudiesLaparoscopyIntestine, LargeSuperior Mesenteric Artery SyndromeAbdominal NeoplasmsAnastomosis, SurgicalAscaris lumbricoidesDigestive System AbnormalitiesDiospyrosAbdomenCystic FibrosisTime FactorsHerniorrhaphyDuodenumFollow-Up Studies