Catheters, IndwellingCathetersHeparin, Low-Molecular-WeightHeparin AntagonistsCatheterizationCatheterization, Central VenousHeparin LyaseHeparin Cofactor IIAnticoagulantsCentral Venous CathetersCardiac CathetersCatheterization, PeripheralUrinary CatheterizationUrinary CathetersEquipment FailureAntithrombin IIIAntithrombinsCatheter-Related InfectionsEquipment DesignPartial Thromboplastin TimeGlycosaminoglycansEnoxaparinForeign-Body MigrationTreatment OutcomeWhole Blood Coagulation TimeCatheterization, Swan-GanzProtaminesCardiac CatheterizationDalteparinThrombosisDermatan SulfateJugular VeinsFactor XaPlatelet Factor 4Fibrinolytic AgentsHirudinsTime FactorsSubclavian VeinFluoroscopyBlood CoagulationHemorrhageThrombinAtrial FibrillationSilicone ElastomersProspective StudiesPeritoneal DialysisPeritonitisPolysaccharide-LyasesPulmonary VeinsSwineThrombophlebitisVascular Access DevicesBacteremiaSiliconesRenal DialysisThromboembolismVenous ThrombosisPeritoneal Dialysis, Continuous AmbulatoryBlood Coagulation TestsAtrial FlutterHeart AtriaBody Surface Potential MappingChromatography, AffinityRetrospective StudiesElectrocardiographyHeparinoidsHirudin TherapyOligosaccharidesChondroitin SulfatesProtein BindingRecurrencePulmonary EmbolismStaphylococcus epidermidisRadiography, InterventionalMagnetic Resonance Imaging, InterventionalThrombin TimeBinding SitesFollow-Up StudiesKineticsFeasibility StudiesAnti-Infective Agents, LocalSilver SulfadiazineDisaccharidesSuctionFemoral VeinDogsVena Cava, SuperiorThrombocytopeniaRecombinant ProteinsPolyvinyl ChlorideDose-Response Relationship, DrugDrainagePipecolic AcidsHeart Conduction SystemInfusions, IntravenousBacterial InfectionsVentriculoperitoneal ShuntPentosan Sulfuric PolyesterInfusions, ParenteralAnalgesia, Epidural