• Ann. Thorac. Surg. · Jul 2017

    Case Reports

    Mycobacterium chimaera Infection After Cardiac Surgery: First Canadian Outbreak.

    • Raphael Hamad, Pierre-Emmanuel Noly, Louis P Perrault, Michel Pellerin, and Philippe Demers.
    • Department of Cardiac Surgery, Montreal Heart Institute, Université de Montréal, Montreal, Québec, Canada.
    • Ann. Thorac. Surg. 2017 Jul 1; 104 (1): e43-e45.

    AbstractRecently reported in Europe and United States, disseminated Mycobacterium chimaera infection is a novel clinical entity linked to point contamination of Stockert 3T heater-cooler units used for cardiopulmonary bypass. We present here the first two cases in Canada. Both patients presented with nonspecific extracardiac symptoms 1 year after undergoing minimally invasive mitral surgical repair. Before the right diagnosis was established, the patients were initially treated with prednisone for suspected sarcoidosis. One patient is currently improving, and the other needed mitral valve repair despite aggressive treatment. Because of the nonspecific mode and timing of presentation, a high index of suspicion is necessary for the diagnosis of M. chimaera infection.Copyright © 2017 The Society of Thoracic Surgeons. Published by Elsevier Inc. All rights reserved.

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