Volume 23, Number 3—March 2017
Dispatch
Mycobacterium chimaera in Heater–Cooler Units in Denmark Related to Isolates from the United States and United Kingdom
Erik Svensson
, Elsebeth Tvenstrup Jensen, Erik Michael Rasmussen, Dorte Bek Folkvardsen, Anders Norman, and Troels Lillebaek
, Elsebeth Tvenstrup Jensen, Erik Michael Rasmussen, Dorte Bek Folkvardsen, Anders Norman, and Troels Lillebaek
Table
Identification of Mycobacterium spp. from water and biofilm samples taken from heater–cooler units from 5 heart surgery centers, Denmark, July–October 2015*
| Heater–cooler unit | Water sample results | Biofilm sample results | Quantitative culture, CFU/L† |
|---|---|---|---|
| A1 | M. chimaera | NA | 100 |
| A2 | M. chimaera | NA | Mold |
| A3 |
M. chimaera |
NA |
60 |
| B1 |
M. chimaera |
NA |
Mold |
| C1 | M. chimaera | M. chimaera | 0 |
| C2 | M. gordonae | M. gordonae | 9 |
| C3 | M. chimaera | M. chimaera | Mold |
| C4 |
M. gordonae |
M. gordonae |
57 |
| D1 | M. chimaera | M. chimaera | >1,000 |
| D2 | M. chimaera | NA | Mold |
| D3 | M. chimaera | M. chimaera | Mold |
| D4 | M. chimaera | M. chimaera | >1,000 |
| D5 | M. chimaera | M. chimaera | Mold |
| D6 | M. chimaera | NA | Mold |
| D7 | M. chimaera | M. chimaera | Mold |
| D8 |
M. chimaera |
M. chimaera |
Mold |
| E1 | M. gordonae | M. chimaera | 0 |
| E2 | M. chimaera | M. chimaera, M. gordonae | 0 |
| E3 | M. chimaera | M. chimaera | 0 |
| E4 | M. chimaera | M. chimaera, M. gordonae | 300 |
| E5 | No growth | NA | 0 |
*NA, not available.
†Bacterial concentration of the original sample.
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