Femoral NerveSaphenous VeinFemoral NeuropathyNerve BlockVeinsVaricose VeinsSciatic NerveFemoral VeinVenous InsufficiencyQuadriceps MuscleGraft Occlusion, VascularPudendal NervePortal VeinAnesthetics, LocalObturator NerveKneeNerve RegenerationPeripheral NervesNerve TransferPain, PostoperativeArthroplasty, Replacement, KneeLegOptic NerveNerve FibersPopliteal VeinMammary ArteriesJugular VeinsTissue and Organ HarvestingUreterostomyCoronary Artery BypassVascular PatencyNerve Compression SyndromesThighHip ContracturePulmonary VeinsPsoas MusclesUltrasonography, Doppler, DuplexBupivacaineParalysisAnalgesia, Patient-ControlledElectric StimulationCystostomyOxycodoneUltrasonography, InterventionalPatellofemoral JointVascular Surgical ProceduresTreatment OutcomeAmidesElectrodes, ImplantedPeripheral Nerve InjuriesLaser TherapySural NerveIliac VeinUmbilical VeinsCadaverNerve EndingsPostoperative ComplicationsFemoral FracturesPain MeasurementMesenteric VeinsMedian NerveMuscle ContractionFacial NerveNerve CrushPirinitramideRenal VeinsCatheterizationTibial NerveEcchymosisSclerotherapyUlnar NerveAngioplasty, LaserTime FactorsVascular GraftingH-ReflexMotor NeuronsHipInfusion PumpsElectromyographyPopliteal ArteryCompartment SyndromesProspective StudiesHepatic Veins