Abstract
prospective study was undertaken on three critical care units to establish the efficacy of using a silver alloy urinary catheter in reducing the incidence of nosocomial urinary tract infections.
Some 188 patients participated in the evaluation (94 in each group). A urine sample was obtained post insertion and every three days while on the critical care unit to detect bacteriuria. The infection rate was 12.65 in the standard group and 11.32 in the silver alloy group per 1000 catheter days respectively. The mean duration of catheterisation was 16 days (inter-quartile range 13). Gram positive cocci were responsible for 24.5% of the bacteriuria, Gram negatives 64.5% and yeasts accounted for 11%. Based on these results, routine use of silver alloy catheters cannot be justified for all patients, but may be suited to high-risk female patients.
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