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Re: Intravesicular BCG instillation and P2/N95 mask use

#77003 Quote
Michael Wishart
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Author:
Michael Wishart

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Michael.Wishart@svha.org.au

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NSW

Thanks Terry

There are a number of guidelines in Australia as well that specify N95 ask as part of PPE for these procedures, but none of them give a rationale.

What route of aerosolization is there for the BCG during these procedures? I cannot recall any recommendations for using N95 masks when doing BCG injections.

This question has been asked as we wish to rationalize N95 mask use.

Thanks
Michael

Michael Wishart
Infection Control Coordinator
St Vincent’s Private Hospital Northside
627 Rode Road, Chermside, Qld 4032
t: (07) 3326 3068 | f: (07) 3326 3523
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Hi Michael,

These guidelines are a little old now (2012), however they do reference wearing an N95 mask.

https://anzuns.org/wp-content/uploads/2011/12/ANZUNS-Clinical-Guidelines-Intravesical-Instillations-20121.pdf

Kind Regards

Terry McAuley

Director

MSc Medical Device Decontamination

PO BOX 2249, Greenvale, VIC Australia 3059

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Hi Michael

I cannot see any reply to your question regarding P2/N95 mask and BCG instillation for bladder cancer. I have not got any reference to your specific question but I have plenty of experience with BCG as a BCG vaccinator and laboratory reception of urine from treated patients.

Bladder installation might be using a closed system, however, that is not the only risk of exposure. If a cystoscope is used it will be contaminated. The Urine from the BCG infected bladder will be positive for mycobacteria for some time ( laboratory experience) and staff might be handling the urine, if the patient is catheterised, and can get exposed from that source. As a BCG vaccinator, I never used masks of any kind as I found eye protection and protection from needle sticks most important, and in your scenario handling contaminated equipment and BCG colonised urine. Regarding the choice of mask, in my opinion, P2 would suffice as droplet exposure is the most like risk.

Best wishes

Mona

Mona Schousboe

FRCPA, MPH

On Thu, Jul 9, 2020 at 4:26 PM Michael Wishart <Michael.Wishart@svha.org.au> wrote:

Hi all

Does anyone have any evidence or advise about the need to use P2 N/95 masks for intravesicular instillation of BCG? My understanding is that the current product comes in a closed system for instillation, so in my view an N95 masks need not be worn during the instillation process. Does anyone have any evidence or advice on this?

Thanks

Michael

Michael Wishart | Infection Control Coordinator, CICP-E

St Vincents Private Hospital Northside | 627 Rode Road CHERMSIDE QLD 4032

T +61 7 3326 3068 | F +61 7 3607 2226

E michael.wishart@svha.org.au |

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