• André Denault, Shaaban Ali Mohamed M Department of Anesthesia, College of Medicine, Assiut University, Assiut, Egypt., Etienne J Couture, William Beaubien-Souligny, Nadia Bouabdallaoui, Patrice Brassard, Tanya Mailhot, Matthias Jacquet-Lagrèze, Yoan Lamarche, and Alain Deschamps.
• Department of Anesthesia and Critical Care Medicine, Montreal Heart Institute, Université de Montréal, Montreal, Canada; Centre Hospitalier de l'Université de Montréal, Montreal, Canada. Electronic address: andre.denault@gmail.com.
• J. Cardiothorac. Vasc. Anesth. 2019 Aug 1; 33 Suppl 1: S11-S37.

AbstractNear-infrared spectroscopy (NIRS) is an emerging noninvasive monitoring modality based on chromophore absorption of infrared light. Because NIRS provides instantaneous information on cerebral and somatic tissue oxygenation, it becomes mandatory to identify rapidly the etiology of impaired regional oxygenation and thus perfusion. To do so, the use of whole-body ultrasound (WHOBUS) represents a significant advance in the management of patients experiencing cerebral or somatic desaturation. This narrative review describes the authors' experience since 2002 in the use of combined NIRS and WHOBUS. A practical approach in the use of both modalities and their respective limitations is described.Copyright © 2019 Elsevier Inc. All rights reserved.

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