Subclavian VeinCatheterization, Central VenousJugular VeinsAxillary VeinThoracic Outlet SyndromeUpper Extremity Deep Vein ThrombosisPhlebographyVeinsClavicleRibsBrachiocephalic VeinsFemoral VeinIothalamate MeglumineVenous ThrombosisPacemaker, ArtificialSaphenous VeinSciatic NerveHemothoraxCatheters, IndwellingVena Cava, SuperiorDecompression, SurgicalPortal VeinHydrothoraxVaricose VeinsCatheterizationPeripheral NervesEquipment FailurePneumothoraxElectrodes, ImplantedOptic NerveNerve FibersPhrenic NerveUltrasonography, Doppler, PulsedArteriovenous Shunt, SurgicalProsthesis ImplantationPulmonary VeinsIatrogenic DiseaseSubclavian Steal SyndromeSuperior Vena Cava SyndromeNerve RegenerationVascular Surgical ProceduresThrombosisConstriction, PathologicNerve BlockNerve EndingsFluoroscopySural Nerve