Course Access
Hi all,
Strange things happen – clearly this technology is being marketed quite
heavily at present as my organisation has also had an approach and are
giving serious consideration to this technology. I felt I would like to
put my views out there having now thought about this during the last
week.
I hate being seen as the “negative” ICP, but I really harbour concerns
over rapidly adopting newer approaches/technologies without giving due
consideration to the risks, which I think is one of our central
challenges! I summarise my thoughts on this matter below
*Validation – any system which relies on high-level disinfection
through any method, either heat or chemical, would do well it seems, to
be one that is able to be validated. I am unaware that this system of
wipes is, as yet, able to provide validation for each “cycle” as it
relies rather on pure compliance with a system
*Test environment vs clinical environment – the system has been
validated in approved test conditions, as you would expect any system to
be. This generally means products are tested against target organisms
in controlled laboratory conditions. This far from reflects the reality
of a busy clinical setting where use may not reflect the test
environment. Issues that may influence the effectiveness of the system
include;
*The concentration of the biocidal agent reaching all
parts of the surface of the item (certainly inhibited by residual
bioburden)
*The contact time allowed for the biocidal agent being
sufficient (a human controlled system rather than an automated system)
*The actual organisms present on the device, the inoculum
of these pathogens and whether the challenge testing was focussed on all
relevant pathogens.
*The conditions of use – I think this is almost the most
important question or concern I have with a manual system with no
validation. A system that relies on ALL users using the system of
manual wiping perfectly, without deviation and without the assurance of
a validation should be a concern to those who focus of safer patient
systems – especially as the focus of the marketing is the “speed” of
disinfection.
These concerns may be able to be answered but I feel strongly that
manual systems such as this should be subject to higher levels of
scrutiny and that where the system is adopted that these questions
should be thoroughly and completely answered to the satisfaction of
those briefed with such responsibility.
Kind regards
Rachel
Rachel Thomson
Nurse Unit Manager
Infection Prevention & Control Unit
Royal Hobart Hospital
E: rachel.thomson@dhhs.tas.gov.au
________________________________
Behalf Of VANDERLINDE, Liz
Dear Jayne
Would this be the Tristel Wipes System? AshMed are canvassing all
hospitals I believe. We have a trophon EPR and prcessor. We have been
canvassed but I am a little trepiditious despite the supporting
literature re introducing. Would love it if you would be happy to share
your protocol?….and any other feedback/evidence of efficacy etc.
Cheers
Liz Vanderlinde
Infection Control Officer
North West Private Hospital
Brickport Road, Burnie TAS 7320, Australia
T +61 3 6432 6022 F +61 3 6431 6158
E Liz.Vanderlinde@healthecare.com.au
W
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Behalf Of Jane Barnett
Hi
We introduced this into our radiology dept for the US probes over a year
ago now and it seems to work well. The previous processes were really
inadequate for these items and the chlorine dioxide does achieve high
level disinfection options without exposure to staff of liquid
chemicals. The company provided good training to the staff who carry
this out plus we ensured that there were laminated instruction charts
with all mobile equipment e.g. used in our gynae emergency area.
Happy to share the protocol if you contact me.
Jane Barnett
Clinical Nurse Specialist
Infection Prevention & Control
Christchurch Women’s Hospital
Private Bag 4711, Christchurch
Infection Prevention and Control is Everyone’s Business
Behalf Of Fiona de Sousa
disinfection
Hi All,
I have been asked to review a new cleaning and disinfection system for
reprocessing transvaginal ultrasound probes especially those used in IVF
related pregnancies where chemical residues are a high concern.
The system consists of three separate pre-packaged wipes (a cleaner, a
disinfectant and a rinse wipe) which I believe is currently used in he
UK. The active ingredient in the disinfectant wipe is chlorine dioxide
in aqueous solution.
Has anyone got any experience with this type of system that they would
be willing to share with me?
Kind Regards,
Fiona De Sousa
Infection Prevention & Control Coordinator
Sydney Adventist Hospital
185 Fox Valley Road, Wahroonga, NSW, 2076
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