Renal DialysisHemodialysis Units, HospitalCapital ExpendituresDithioerythritolKidney Failure, ChronicPeritoneal DialysisDialysisDialysis SolutionsPeritoneal Dialysis, Continuous AmbulatoryUltrasonographyUltrasonicsUltrasonic TherapyHigh-Intensity Focused Ultrasound AblationUltrasonography, InterventionalMicrobubblesHospital UnitsIntensive Care UnitsPatients' RoomsPeritonitisPeritoneumUltrasonography, PrenatalProspective StudiesTransducersTime FactorsRetrospective StudiesCatheters, IndwellingUltrasonography, DopplerTreatment OutcomeSensitivity and SpecificityPregnancyUltrasonography, Doppler, ColorHemodialysis SolutionsReproducibility of ResultsUltrafiltrationMicroscopy, AcousticRisk FactorsContrast MediaHospital Design and ConstructionUrea