Catheter-Related InfectionsCandidemiaBacteremiaCross InfectionTertiary Care CentersCatheterization, Central VenousIntensive Care UnitsCatheters, IndwellingHemofiltrationSepsisAnti-Bacterial AgentsRetrospective StudiesProspective StudiesStaphylococcus haemolyticusFormiminoglutamic AcidRiversBloodInjections, IntravenousCandidaTime FactorsLeukocytesStaphylococcal InfectionsCell MovementLiverFresh WaterRabbitsInfant, NewbornMicrobial Sensitivity TestsCells, CulturedWater MovementsEcosystemInvertebrates