Re: sinks vs. sanitizers
From: Betsy Hyde (elishyde@mindspring.com)
Fri Jul 27 13:46:00 2007
at OBGYN M&M yesterday they stated that c.diff spores were not
removed by the gels, only by soap and water.
--
Betsy Hyde CNM
Branford, CT
On Jul 27, 2007, at 2:33 PM, Joanne Bulley, MD wrote:
> 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:
>>
>> Remember MSRA is out there and patient carry the spores and they
>> do not have
>> to be sick and the alcohol sanitizers do not work on spores only
>> soap and
>> water work. Sinks in the exam rooms
>> Myer
>>
>
> --
> Joanne Bulley, MD, FACOG
> Solo gyn
> Keene, NH USA
