• Ricardo Luiz Cordioli, Valentina Garelli, Aissam Lyazidi, Laurent Suppan, Dominique Savary, Laurent Brochard, and Jean-Christophe M Richard.
• Service des soins intensifs, Service cardiomobile, HUG, Genève. Université de Genève, Genève. ricardoluiz.cordioli@hcuge.ch
• Rev Med Suisse. 2013 Dec 11;9(410):2318-23.

AbstractKnowledge of the physiological mechanisms that govern cardiopulmonary interactions during cardiopulmonary resuscitation (CPR) allows to better assess risks and benefits of ventilation. Ventilation is required to maintain gas exchange, particularly when CPR is prolonged. Nevertheless, conventional ventilation (bag mask or mechanical ventilation) may be harmful when excessive or when chest compressions are interrupted. In fact large tidal volume and/or rapid respiratory rate may adversely compromise hemodynamic effects of chest compressions. In this regard, international recommendations that give the priority to chest compressions, are meaningful. Continuous flow insufflation with oxygen that generates a moderate positive airway pressure avoids any interruption of chest compressions and prevents the risk of lung injury associated with prolonged resuscitation.

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