Peripheral Nervous System DiseasesVenous InsufficiencyVaricose UlcerVaricose VeinsVenous PressureLegPhlebographyPostphlebitic SyndromeChronic DiseaseBandagesFemoral VeinAdrenal InsufficiencyUltrasonography, Doppler, DuplexGravity SuitsLeg UlcerPlethysmographySaphenous VeinAzygos VeinIliac VeinPopliteal VeinVeinsRenal InsufficiencyFoot DermatosesStockings, CompressionVenous ValvesExocrine Pancreatic InsufficiencyJugular VeinsUltrasonography, Doppler, ColorCerebral VeinsPlacental InsufficiencyTourniquetsLaser TherapySclerotherapyVenous ThrombosisPostthrombotic SyndromeHealth ResortsLower ExtremityAirAnatomic VariationEdemaPhotoplethysmographyVascular Surgical ProceduresMultiple SclerosisRutinWound HealingRegional Blood FlowSeverity of Illness IndexTreatment OutcomePeriostitisUltrasonography, DopplerTime FactorsPeripheral NervesSclerosing SolutionsOnychomycosisConstriction, PathologicVascular MalformationsAnkleNursing AssessmentSubcutaneous TissueCatheterization, PeripheralLigationMultiple Sclerosis, Chronic ProgressiveThrombophlebitisFootVascular DiseasesMultiple Sclerosis, Relapsing-RemittingProspective StudiesSkinEndoscopyPressureFollow-Up StudiesVascular PatencyPrimary Ovarian InsufficiencyHepatic Insufficiency