Intestinal ObstructionIntestinal VolvulusOnchocerca volvulusEmergenciesAbdomen, AcuteEmergency TreatmentTorsion AbnormalitySpermatic Cord TorsionOnchocerciasisIleal DiseasesIntestinal PerforationPeptic Ulcer PerforationPneumoperitoneumAppendicitisBezoarsOnchocercaSurgical Procedures, OperativeEmergency Service, HospitalAirway ObstructionJejunal DiseasesCecal DiseasesColonic DiseasesIntussusceptionIntestinal AtresiaDuodenal ObstructionMeconiumLaparotomyMesenteric CystUreteral ObstructionColon, SigmoidSimuliidaeMeckel DiverticulumEmergency MedicineHerniaHirschsprung DiseaseRadiography, AbdominalAcute DiseaseEmergency Medical ServicesTreatment OutcomeIvermectinTissue AdhesionsIleal NeoplasmsHernia, AbdominalDigestive System Surgical ProceduresIleusIntestinal Pseudo-ObstructionOnchocerciasis, OcularIntestine, SmallTuberculosis, GastrointestinalDuodenal DiseasesIleocecal ValveAbdominal PainMicrofilariaGangreneIleumEmergency NursingLipomaDigestive System AbnormalitiesColostomyMesocolonColon, AscendingJejunal NeoplasmsFecal ImpactionIntestinal DiseasesForeign BodiesVomitingBarium SulfateUrethral ObstructionAntigens, HelminthUrinary Bladder Neck ObstructionTomography, X-Ray ComputedNasal ObstructionEntomophthoralesGastric Outlet ObstructionVitelline DuctEnemaIntestinal FistulaDiverticulumPeritoneal DiseasesPostoperative ComplicationsLaparoscopyRetrospective StudiesHernia, ObturatorColaHerniorrhaphyIntestine, LargeInfant, NewbornCecal NeoplasmsIleostomyVentricular Outflow ObstructionAnastomosis, SurgicalPetrolatumColectomySurgical SpongesColonic Pseudo-ObstructionDuodenostomyAscariasisJejunumFilaricidesSuperior Mesenteric Artery Syndrome