A bacteriologic study of infections associated with central venous catheters.

概要

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From May 1985 to October 1986, We made a bacteriologic study of almost all the central venous catheters used in our hospital. The results obtained are as follows; 1) We got the positive results of 137 cases with microorganisms out of 940 catheters, and its ratio was 14.9%. The microorganisms were mainly normal skin flora, such as Staphylococcus aureus, Candida, Bacillus and so on. 2) There were 16 blood cultures positive, of which 13 also had microorganisms in the catheters. In 9 out of these 13, the same microorganisms were found both in the blood cultures and the catheter tips. 3) In cases with fever and contamination at the site of catheter insertion, the positive ratio was meaningfully higher than the others. 4) As the time of catheterization got longer, the positive ratio got meaningfully higher. 5) As the condition of the patient got worse, the positive ratio became meaningfully higher. 6) On the matter of maintenance, we got the better results on adhesive wound dressing when we compare with other mediums. 7) Sex, age, the puncture site, antibiotics, the injection times, the changing of the delivery systems and filters, could not be correlated with incidence of catheter contamination.
The Japanese Association for Infectious Diseasesの論文