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Volume 22, Number 6—June 2016

Transmission of Mycobacterium chimaera from Heater–Cooler Units during Cardiac Surgery despite an Ultraclean Air Ventilation System

Rami Sommerstein, Christian Rüegg, Philipp Kohler, Guido V. Bloemberg, Stefan P. Kuster, and Hugo SaxComments to Author 
Author affiliations: University Hospital of Bern, Bern, Switzerland (R. Sommerstein); University Hospital of Zurich, Zurich, Switzerland (R. Sommerstein, C. Rüegg, P. Kohler, S.P. Kuster, H. Sax); University of Zurich, Zurich (G. Bloemberg)

Main Article


Video. Split-image video showing the effect of heater–cooler unit orientation on smoke dispersal in a cardiac surgery room. The device was switched on and began to ventilate 10 s after the start of the video. Frames on the left show an overview including unit placement. Frames on the right provide a lateral view of the operating field under the laminar airflow. Simultaneously recorded videos in the 2 upper frames show the first scenario, in which the main ventilation exhaust was directed away from the operating field. Simultaneously recorded videos in the lower 2 frames show the second scenario, in which the main ventilation exhaust was directed toward the operating field. (Source)

Main Article

Page created: May 20, 2016
Page updated: May 20, 2016
Page reviewed: May 20, 2016
The conclusions, findings, and opinions expressed by authors contributing to this journal do not necessarily reflect the official position of the U.S. Department of Health and Human Services, the Public Health Service, the Centers for Disease Control and Prevention, or the authors' affiliated institutions. Use of trade names is for identification only and does not imply endorsement by any of the groups named above.