Gastrointestinal HemorrhageMallory-Weiss SyndromeDuodenal DiseasesEsophageal DiseasesStomach DiseasesEndoscopyPeptic Ulcer HemorrhageHematemesisMelenaEsophageal and Gastric VaricesAcute DiseaseEndoscopy, GastrointestinalBrunner GlandsGastropexyGastroscopyStomach UlcerFiber Optic TechnologyHemorrhageCerebral HemorrhageSubarachnoid HemorrhageHemostasis, EndoscopicPeptic UlcerDuodenal UlcerHemostatic TechniquesMeckel DiverticulumTreatment OutcomeIntracranial HemorrhagesRecurrenceIleal DiseasesAnti-Inflammatory Agents, Non-SteroidalHypertension, PortalMedical AuditProspective StudiesHemobiliaJejunal NeoplasmsRetinal HemorrhageDouble-Balloon EnteroscopySplenic ArteryVascular MalformationsUlcerRisk FactorsBarium SulfateEmergenciesAngiographyUpper Gastrointestinal TractGastric FistulaEmbolization, TherapeuticPostpartum HemorrhageJejunal DiseasesDuodenal NeoplasmsIntestinal FistulaAneurysm, FalseVascular FistulaRespiratory Tract InfectionsBlood TransfusionComfreyIntestinal PerforationAspirinEmbolectomyLaparotomyVitreous HemorrhageFatal OutcomeEye HemorrhageHepatic ArteryAneurysmGastrointestinal NeoplasmsLiver CirrhosisTomography, X-Ray ComputedDuodenumPostoperative ComplicationsVaricose VeinsRetrospective StudiesFibrinolytic AgentsEndoscopy, Digestive System