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Hi all,
We are working on a protocol for taking blood cultures. I had a question regarding technique for the skin prep. Should we be using concentric circles or a rubbing action backwards and forwards? We are using 2% chlorhexidine 70% alcohol for the skin prep. Does anyone have any references or evidence as to which option is best practice?
Regards,
Liz Orr
Infection Control Consultant
Monash Health
Monash Medical Centre Clayton
9594 2623
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Dear Liz,
From my reading, it seems like there is no right or wrong to your question, and I have seen both techniques described in the literature, although I don’t think this has been propertly (scientifically) investigated. It is more common to see the circles method described. One manufacturer of 2% CHX 70% IPA applicators seems to recommend back and forth with their applicators.
From a microbiological perspective, what is more important is (a) repeated applications with fresh antiseptic and (b) a sufficient contact time for the antiseptic to act and kill skin microorganisms. But there are no good published data on how many and how long. It seems that at least 2 subsequent applications are necessary, and at least 1 min overall contact time for blood cultures. (Note, at least). We are talking blood culture collection, which is biologically/physiologically different from other applications of skin antisepsis.
Best regards, Matthias.
—
Matthias Maiwald, MD, FRCPA
Consultant in Microbiology
Adj. Assoc. Prof., Natl. Univ. Singapore
Department of Pathology and Laboratory Medicine
KK Women’s and Children’s Hospital
100 Bukit Timah Road
Singapore 229899
Tel. +65 6394 8725 (Office)
Tel. +65 6394 1389 (Laboratory)
Fax +65 6394 1387Hi all,
We are working on a protocol for taking blood cultures. I had a question regarding technique for the skin prep. Should we be using concentric circles or a rubbing action backwards and forwards? We are using 2% chlorhexidine 70% alcohol for the skin prep. Does anyone have any references or evidence as to which option is best practice?
Regards,
Liz Orr
Infection Control Consultant
Monash Health
Monash Medical Centre Clayton
9594 2623
liz.orr@monashhealth.org________________________________
THIS E-MAIL IS CONFIDENTIAL. If you have received this e-mail in error, please notify us by return e-mail and delete the document. If you are not the intended recipient you are hereby notified that any disclosure, copying, distribution or taking any action in reliance on the contents of this information is strictly prohibited and may be unlawful. Southern Health are not liable for the proper and complete transmission of the information contained in this communication or for any delay in its receipt.
________________________________
MESSAGES POSTED TO THIS LIST ARE SOLELY THE OPINION OF THE AUTHOR, AND DO NOT REPRESENT THE OPINION OF ACIPC.The use of trade/product/commercial brand names through the list is discouraged by ACIPC. If you wish to discuss specific reference to products or services by brand or commercial names, please do this outside the list.
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