• Ségolène Mrozek, Jean-Michel Constantin, and Thomas Geeraerts.
• Ségolène Mrozek, Thomas Geeraerts, Anesthesiology and Critical Care Department, Equipe d'accueil "Modélisation de l'agression tissulaire et nociceptive", University Hospital of Toulouse, 31000 Toulouse, France.
• World J Crit Care Med. 2015 Aug 4;4(3):163-78.

AbstractMajor pulmonary disorders may occur after brain injuries as ventilator-associated pneumonia, acute respiratory distress syndrome or neurogenic pulmonary edema. They are key points for the management of brain-injured patients because respiratory failure and mechanical ventilation seem to be a risk factor for increased mortality, poor neurological outcome and longer intensive care unit or hospital length of stay. Brain and lung strongly interact via complex pathways from the brain to the lung but also from the lung to the brain. Several hypotheses have been proposed with a particular interest for the recently described "double hit" model. Ventilator setting in brain-injured patients with lung injuries has been poorly studied and intensivists are often fearful to use some parts of protective ventilation in patients with brain injury. This review aims to describe the epidemiology and pathophysiology of lung injuries in brain-injured patients, but also the impact of different modalities of mechanical ventilation on the brain in the context of acute brain injury.

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