Guidewire replacement of valved tunneled-cuffed silicone catheters with power injectable polyurethane tunneled-cuffed catheters or with ports.

Our experience regarding the replacement technique of silicone cuffed and valved catheters over guidewire was considered feasible, accurate, and efficient for all patients treated, even in those presenting thrombocytopenia or a dysfunctional coagulation cascade.