Minimizing stomach inflation versus optimizing chest compressions

Holger Herff, Peter Paal, Achim von Goedecke, Thomas Mitterlechner, Thomas Danninger, Volker Wenzel
Anesthesia and Analgesia 2008, 106 (2): 535-7, table of contents
In a bench model, we evaluated a bag-valve device (Smart Bag MO) with limited maximum inspiratory gas flow developed to reduce the risk of stomach inflation in an unprotected airway. During simulated cardiopulmonary resuscitation with uninterrupted chest compressions, ventilation with the "disabled" Smart Bag MO or an adult self-inflating bag-valve device provided only adequate tidal volumes if inspiratory time was 0.5 s. Ventilation with the "enabled" Smart Bag MO, even in ventilation windows of 0.5 s, provided inadequate tidal volumes during simulated cardiopulmonary resuscitation and would result in hypoventilation in a patient.

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