Abstract
Thirty-six Permcath double-lumen catheters implanted in 36 chronic renal failure patients for haemodialysis treatment were prospectively studied. When catheter-related sepsis was suspected a quantitative blood culture was obtained simultaneously from the catheter and from a peripheral vein. If bacterial colonies in the catheter blood specimen were fourfold greater than identical bacterial colonies in the peripheral blood specimen, the test was considered indicative of catheter sepsis and an empirical antibiotic regimen was begun while the central line remained in situ. Eleven patients suffered 13 episodes of catheter-related sepsis. Staphylococcus epidermidis and Pseudomonas aeruginosa accounted for 77% of the strains isolated. All episodes were successfully treated with vancomycin or ciprofloxacin and yielded negative results on follow-up quantitative blood cultures. Fever subsided within the first 48 h of therapy and no complications occurred. None of these patients required catheter removal for cure of the catheter-related sepsis.
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