Arteriovenous FistulaArteriovenous Shunt, SurgicalFistulaCentral Nervous System Vascular MalformationsPortal VeinHypertension, PortalHypertensionIntestinal FistulaDura MaterEmbolization, TherapeuticCutaneous FistulaCranial SinusesBronchial FistulaVascular FistulaHypertension, PulmonaryRectal FistulaRenal DialysisPortal SystemGastric FistulaUrinary FistulaCavernous SinusCerebral VeinsEsophageal FistulaBrachiocephalic VeinsBiliary FistulaVeinsVascular PatencyAngiographyPancreatic FistulaRectovaginal FistulaPolyvinylsVesicovaginal FistulaRespiratory Tract FistulaVaginal FistulaMeningeal ArteriesCerebral AngiographyTracheoesophageal FistulaCatheters, IndwellingCranial Fossa, AnteriorPortal PressureCarotid-Cavernous Sinus FistulaFemoral VeinArteriovenous MalformationsWounds, StabJugular VeinsIntracranial Arteriovenous MalformationsIliac VeinTreatment OutcomeHypertension, RenalBlood PressureRadial ArteryUrinary Bladder FistulaUpper ExtremityArterio-Arterial FistulaSuperior Sagittal SinusKidney Failure, ChronicSplenic VeinVenous PressureGraft Occlusion, VascularPolytetrafluoroethyleneTomography, X-Ray ComputedMagnetic Resonance AngiographyAntihypertensive AgentsAxillary VeinHypertension, RenovascularWounds, GunshotTransverse SinusesPulmonary ArteryConstriction, PathologicVertebral ArteryRetrospective StudiesSpinal Cord DiseasesBlood Vessel ProsthesisAneurysmFemoral ArteryMesenteric VeinsTime FactorsHypertension, MalignantSplenic ArteryAneurysm, FalseFollow-Up StudiesCoronary Vessel AnomaliesPhlebographyVena Cava, InferiorUltrasonography, Doppler, ColorArmSubclavian VeinAngiography, Digital SubtractionUltrasonography, Doppler, DuplexBrachial ArteryRegional Blood FlowIatrogenic DiseaseCardiac Output, HighIliac ArteryCarotid Artery, ExternalRisk FactorsThrombosisIntracranial HypertensionBlood Vessel Prosthesis ImplantationForearm