Lytic therapy in central venous catheters for hemodialysis.

Over the past 2 decades the use of central venous catheters (CVCs) for hemodialysis has become commonplace. While these devices have provided much needed temporary access to the bloodstream, they often become thrombosed and require procedures to restore patency. This article examines the lytic enzymes that are currently available and focuses on the assessment and treatment of thrombosis.