Endoscopy Water Results – Do you have a tolerance level?

[kate.ryan@austin.org.au]

Hi All,

For those of you that complete endoscopy water testing as per AS4187 Table 7.3…

I would like to know if anyone has decided to create a tolerance level for the Total Viable Count (TVC)? (I am not asking this for any of the specific organisms we test for, just TVC)

Table 7.3 requires TVC <10cfu per 100ml – if you don't achieve this and your level is over 10, do you:

* immediately close your automated endoscopy reprocessing (AER) machine and run a disinfection cycle / change filter / retest whilst keeping your machine out of operation until clear results are seen?

OR

* immediately run a disinfection cycle / change filter / retest whilst allowing your machine to continue to be used after this?
* If this is your option – do you have an agreed level of HCC that this applies to i.e. up to 100cfu per 100mL as an example?

Essentially, I would like to know if anyone stipulates a range where they are happy to continue using the machine even though TVC may be over 10cfu?
Thanks for your consideration of this,

Kind regards

Kate Ryan

RMD Program Officer

[logo_austin]

0434 609 208 | 03 9496 6706

Infectious Diseases Department

Level 7, Harold Stokes Building

145 Studley Road, Heidelberg

PO Box 5555, Victoria, 3084

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[Anonymous]

Hi Kate,

The updated 2021 Infection Control Guidelines for Endoscopy – available through GENCA, now have a flow chart for AERs (on page 60).

I basically follow this, though you can end up in a never ending loop!. Noting it can take a while to fix biofilm related water contamination.

We have also discussed with the company, there may be other options to assist to remove biofilm etc.

Happy to discuss further if required

Mandy Davidson
RN; GCert Inf Pre & Cont; MPHTM; Cert III Sterilisation; Cert IV TAE; Immunisation cred; CICP-A
Clinical Nurse Consultant – AS4187, PPE/FitTesting, Staff Health Hub & all things COVID!
Infection Prevention & Control

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07 4433 1873 | 0402 987 432
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Mandy.Davidson@health.qld.gov.au
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Townsville Hospital and Health Service
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________________________________
Hi All,

For those of you that complete endoscopy water testing as per AS4187 Table 7.3…

I would like to know if anyone has decided to create a tolerance level for the Total Viable Count (TVC)? (I am not asking this for any of the specific organisms we test for, just TVC)

Table 7.3 requires TVC <10cfu per 100ml – if you don't achieve this and your level is over 10, do you:

* immediately close your automated endoscopy reprocessing (AER) machine and run a disinfection cycle / change filter / retest whilst keeping your machine out of operation until clear results are seen?
OR

* immediately run a disinfection cycle / change filter / retest whilst allowing your machine to continue to be used after this?

* If this is your option – do you have an agreed level of HCC that this applies to i.e. up to 100cfu per 100mL as an example?
Essentially, I would like to know if anyone stipulates a range where they are happy to continue using the machine even though TVC may be over 10cfu?
Thanks for your consideration of this,

Kind regards

Kate Ryan

RMD Program Officer

[logo_austin]

0434 609 208 | 03 9496 6706

Infectious Diseases Department

Level 7, Harold Stokes Building

145 Studley Road, Heidelberg

PO Box 5555, Victoria, 3084

CONFIDENTIALITY NOTICE: This email and any files transmitted with it are confidential and are to be used solely by the individual or entity to whom it is addressed. If you are not the intended recipient and have received this email in error, please be aware that any disclosure, copying or distribution of the information it contains; or taking any action in reliance on the contents of this information, is strictly prohibited and may be unlawful. Please notify us by return email that you have received the email and delete all copies in your system.
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.

Archive of all messages are available at http://aicalist.org.au/archives – registration and login required.

Replies to this message will be directed back to the list. To create a new message send an email to acipclist@acipc.org.au

To send a message to the list administrator send an email to admin@acipc.org.au

You can unsubscribe manually from this list by sending ‘signoff acipclist’ (without the quotes) to listserv@aicalist.org.au

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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.

Archive of all messages are available at http://aicalist.org.au/archives – registration and login required.

Replies to this message will be directed back to the list. To create a new message send an email to acipclist@acipc.org.au

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You can unsubscribe manually from this list by sending ‘signoff acipclist’ (without the quotes) to listserv@aicalist.org.au

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