FW: Insidious risk of severe Mycobacterium chimaera infection in cardiac surgery patients

[Glenys Harrington]

Dear all,

This publication for the UK is online today

http://cid.oxfordjournals.org/content/early/2016/12/05/cid.ciw754.abstract?p
apetoc

“Eighteen probable cases of cardiopulmonary bypass-associated M. chimaera
infection were identified, all except one adults. Cases had undergone valve
replacement in 11 hospitals between 2007-2015, a median 19 months prior to
onset (range 3 months-5 years). Risk to patients increased after 2010 from
<0.2 to 1.65/10,000 person-years in 2013, a nine-fold rise for infections
within 2y of surgery (RR=9.08, 95% CI 1.81-87.76). Endocarditis was the most
common presentation (n). To date, 9 cases have died. Investigations
identified aerosol release through breaches in heater-cooler tanks. M.
chimaera and other pathogens were recovered from water and air samples.
Phylogenetic analysis found close clustering of strains from probable
cases?"

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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