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Re: sinks vs. sanitizersFrom: Joanne Bulley, MD (islesannie@gmail.com)Fri Jul 27 13:32:02 2007
Myer, I am not sure this is correct -- this article suggests that 10% povidone iodine and 70% ethyl alcohol are best: Infect Control Hosp Epidemiol. 2001 Feb;22(2):105-8.Click here to read Links Effectiveness of hand-cleansing agents for removing methicillin-resistant Staphylococcus aureus from contaminated hands. Guilhermetti M, Hernandes SE, Fukushigue Y, Garcia LB, Cardoso CL. Department of Clinical Analyses, State University of Maringá, Paraná, Brazil. OBJECTIVE: The effectiveness of hand-cleansing agents in removing a hospital strain of methicillin-resistant Staphylococcus aureus from artificially contaminated hands of five volunteers was studied. DESIGN: The products used were plain liquid soap, ethyl alcohol 70% (by weight), 10% povidone-iodine liquid soap (PVP-I), and chlorhexidine gluconate (4%) detergent. The experiments were performed using a Latin square statistical design, with two 5x4 randomized blocks. The removal rates of S aureus cells from contaminated fingertips were estimated by analysis of variance, the response variable being the log10 reduction factor (RF), ie, log10 of the initial counts minus log10 of the final counts. In the first and second blocks, the fingertips of the volunteers were contaminated in mean with 3.76 log10 colony-forming units ([CFU] light-contamination hand) and 6.82 log10 CFU (heavy-contamination hand), respectively. RESULTS: In the first block, there were significant differences between treatments (P<.05). The 10% PVP-I (RF, 3.76) and 70% ethyl alcohol (RF, 3.51) had significantly higher removal rates than plain liquid soap (RF, 1.96) and 4% chlorhexidine (RF, 1.91). In the second block, 10% PVP-I (RF, 4.39) and 70% ethyl alcohol (RF, 3.27) also were significantly more effective than plain liquid soap (RF, 1.77) and 4% chlorhexidine (RF, 1.37; P<.05). Plain liquid soap was significantly more effective than chlorhexidine (4%) detergent. CONCLUSIONS: The results suggest that 10% PVP-I and 70% ethyl alcohol may be the most effective hand-cleansing agents for removing methicillin-resistant S aureus strain from either lightly or heavily contaminated hands. PMID: 11232870 [PubMed - indexed for MEDLINE] Joanne
At Fri, 27 Jul 2007, Myer Bornstein wrote:
>
-- Joanne Bulley, MD, FACOG Solo gyn Keene, NH USA
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