Re: Mycobacterium chimaera contamination in the thermoregulatory component of ECMO machine

[Glenys Harrington]

Dear All,

Further to my earlier posting relating to M.Chimaera and heater-cooler units
those of you with transplant units may find this publication relating to
contaminated the thermoregulatory component of ECMO machine of interest/use
– see extract below and link to publication.

“In the present single-centre study, M. chimaera was detected in a
considerable amount of water samples taken from different thermoregulatory
devices of two different providers during ECMO treatment. Indeed, half of
all analysed specimens grew M. chimaera, whereas no mycobacteria were found
in room air samples and swabs from ECMO system surfaces. M. chimaera was
also detected in three ECMO patients in a retrospective analysis over 6
years, but the transmission pathways as well as the clinical relevance of
the findings remain uncertain…”

“…Strict adherence to disinfection protocols published by the
manufacturers of thermoregulatory devices as well as continued
microbiological surveillance for M. chimaera are recommended to minimise the
risk of infection”.

Eurosurveillance, Volume 21, Issue 46, 17 November 2016

Research article

CLINICAL IMPLICATIONS OF MYCOBACTERIUM CHIMAERA DETECTION IN
THERMOREGULATORY DEVICES USED FOR EXTRACORPOREAL MEMBRANE OXYGENATION
(ECMO), GERMANY, 2015 TO 2016

http://www.eurosurveillance.org/ViewArticle.aspx?ArticleId641

Image below taken from the publication

Figure 1

The functional set-up of an ECMO treatment unit, consisting of (A) an ECMO
system; and (B) a thermoregulatory device at a medical intensive care unit,
Homburg/Saar, German

/images/dynamic/articles/22641/16-00604-f1

Regards

Glenys

Glenys Harrington

Infection Control Consultancy (ICC)

P.O. Box 6385

Melbourne

Australia, 3004

M: +61 404816434

E: infexion@ozemail.com.au

Dear All,

This review publication will be of interest to those dealing with
contaminated Heater-Cooler devices in Australia. The publication came out
yesterday – Infect Control Hosp Epidemiol 2016;1-6

Mycobacterium chimaera Outbreak Associated With Heater-Cooler Devices:
Piecing the Puzzle Together

https://www.cambridge.org/core/services/aop-cambridge-core/content/view/5E98
B996F00A04AD46FFD74C8513B6D1/S0899823X1600283Xa.pdf/mycobacterium-chimaera-o
utbreak-associated-with-heater-cooler-devices-piecing-the-puzzle-together.pd
f

regards

Glenys

Glenys Harrington

Infection Control Consultancy (ICC)

P.O. Box 6385

Melbourne

Australia, 3004

M: +61 404816434

E: infexion@ozemail.com.au

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