title: Minimizing stomach inflation versus optimizing chest compressions.
abstract: 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.
authors.affiliation: Department of Anesthesiology and Critical Care Medicine, Innsbruck Medical University, Anichstrasse 35, 6020 Innsbruck, Austria. holger.herff@i-med.ac.at
authors.forename: Holger
authors.initials: H
authors.lastname: Herff
authors.forename: Peter
authors.initials: P
authors.lastname: Paal
authors.forename: Achim
authors.initials: A
authors.lastname: von Goedecke
authors.forename: Thomas
authors.initials: T
authors.lastname: Mitterlechner
authors.forename: Thomas
authors.initials: T
authors.lastname: Danninger
authors.forename: Volker
authors.initials: V
authors.lastname: Wenzel
mesh_terms: D016887:Cardiopulmonary Resuscitation / Q000295:instrumentation / Q000379:methods; D035641:Chest Wall Oscillation / Q000295:instrumentation / Q000379:methods*; D001239:Inhalation / Q000502:physiology; D012123:Pulmonary Ventilation / Q000502:physiology; D012121:Respiration, Artificial / Q000295:instrumentation / Q000379:methods*; D013270:Stomach; D013990:Tidal Volume / Q000502:physiology