Abstract
Background: Tunneled dialysis catheters (TDC) are used for hemodialysis in patients with acute kidney injury or end-stage renal disease who do not have functioning arteriovenous fistulas or grafts. Sometimes, TDCs must be exchanged because of mechanical flow limitations, infection, or catheter cuff exposure. TDC can either be removed with delayed reinsertion or exchanged over a guidewire. Currently, the risk of downstream infection associated with TDC exchange with a guidewire is unclear.
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