The incidence of bacterial colonization of central venous catheters using a standard polyurethane catheter was compared with that using an antiseptic (silver sulphadiazine and chlorhexidine) impregnated catheter in a group of patients with thoracic organ transplantation. Colonization was reduced from 25 of 35 standard catheters to 10 of 44 study catheters (P < 0.002), a 68 % reduction. Similarly, the incidence of concomitant infection, by the same organism at another site was reduced from 10 of 35 standard catheters to 4 of 44 study catheters (P < 0.03), a 63% reduction.
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