Prevention of coagulase-negative staphylococcal central venous catheter-related infection using urokinase rinses: a randomized double-blind controlled trial in patients with hematologic malignancies

Journal of Clinical Oncology : Official Journal of the American Society of Clinical Oncology
Cornelis J van RoodenMenno V Huisman

Abstract

Fibrin deposition at the intraluminal surface of the indwelling part of the central venous catheter (CVC) surface increases the risk of CVC-related coagulase-negative staphylococci (CoNS) infection. Therefore, repetitive enzymatic dissolution of fibrin by urokinase might reduce the risk of CVC-related infection. We undertook this study to investigate whether three times weekly urokinase rinsing of CVC reduces the incidence or severity of CVC-related infections by CoNS in patients undergoing intensive cytotoxic treatment for hematologic malignancies. In a double-blind setting, all consecutive patients with a CVC were randomly allocated to receive either urokinase rinses (5 mL of 5,000 U/mL) or placebo (saline), both three times weekly. The percentage of patients with at least one positive culture with CoNS was lower in patients receiving urokinase compared with patients receiving placebo (26% v 42%, respectively; relative risk [RR] = 0.61; 95% CI, 0.39 to 0.94). Major CVC-related CoNS infection occurred less frequently in patients receiving urokinase versus placebo (1.2% v 14.1%, respectively; RR = 0.09; 95% CI, 0.01 to 0.50). Secondary complications, including CVC-related thrombosis, were observed less frequently in the urokina...Continue Reading

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