Catheters, IndwellingCatheterization, Central VenousCatheter-Related InfectionsJugular VeinsSubclavian VeinFemoral VeinCatheterization, PeripheralStaphylococcal InfectionsCathetersVeinsAnti-Bacterial AgentsSaphenous VeinPortal VeinSwineVaricose VeinsPulmonary VeinsCatheterizationInsulinRats, Sprague-DawleyCentral Venous CathetersCardiac CathetersUrinary CatheterizationMesenteric VeinsIliac VeinUmbilical VeinsRenal VeinsHepatic VeinsUrinary CathetersEquipment FailurePopliteal VeinEquipment DesignCerebral VeinsSplenic VeinBrachiocephalic VeinsAzygos VeinAxillary VeinRetinal VeinForeign-Body MigrationTreatment OutcomeCatheterization, Swan-GanzAtrial FibrillationRetinal Vein OcclusionCardiac CatheterizationFluoroscopyVenous ThrombosisPhlebographyTime FactorsHeart AtriaSilicone ElastomersProspective StudiesVascular Access DevicesPeritoneal DialysisPeritonitisVena Cava, SuperiorVena Cava, InferiorSiliconesRetrospective StudiesBody Surface Potential MappingBacteremia