• A De Jong, D Verzilli, G Chanques, E Futier, and S Jaber.
• PhyMedExp, University of Montpellier, Inserm, CNRS, CHU Montpellier, 371 avenue du doyen Gaston Giraud, 34080 Montpellier, France; Département d'Anesthésie-Réanimation, hôpital Saint-Éloi, 80, avenue Augustin-Fliche, 34295 Montpellier cedex, France.
• Rev Mal Respir. 2019 Oct 1; 36 (8): 985-1001.

AbstractThe obese patient is at an increased risk of perioperative complications. Most importantly, these include difficult access to the airways (intubation, difficult or impossible ventilation), and post-extubation respiratory distress secondary to the development of atelectasis or obstruction of the airways, sometimes associated with the use of morphine derivatives. The association of obstructive sleep apnea syndrome (OSA) with obesity is very common, and induces a high risk of peri- and postoperative complications. Preoperative OSA screening is crucial in the obese patient, as well as its specific management: use of continuous positive pre, per and postoperative pressure. For any obese patient, the implementation of protocols for mask ventilation and/or difficult intubation and the use of protective ventilation, morphine-sparing strategies and a semi-seated positioning throughout the care, is recommended, combined with close monitoring postoperatively. The dosage of anesthetic drugs should be based on the theoretical ideal weight and then titrated, rather than dosed to the total weight. Monitoring of neuromuscular blocking should be used where appropriate, as well as monitoring of the depth of anesthesia. The occurrence of intraoperative recall is indeed more frequent in the obese patient than in the non-obese patient. Appropriate prophylaxis against venous thromboembolic disease and early mobilization are recommended, as thromboembolic disease is increased in the obese patient. The use of non-invasive ventilation to prevent the occurrence of acute post-operative respiratory failure and for its treatment is particularly effective in obese patients. In case of admission to ICU, an individualized ventilatory management based on pathophysiology and careful monitoring should be initiated.Copyright © 2019 SPLF. Published by Elsevier Masson SAS. All rights reserved.

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