Minerva anestesiologica
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Minerva Anestesiol
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Apneic oxygenation (AO) is applied during surgery and in intensive care units. Even with AO, apnea is associated with progressive hypoxemia, limiting the tolerable amount of time in AO. This experimental study evaluates the effects of a recruitment maneuver (RM) on oxygenation, CO2 retention, and survival times during prolonged apnea, supported or not supported with intratracheal apneic oxygenation. ⋯ RM prior to AO prolongs tolerance to apnea, probably by increasing the time before intolerable hypoxemia occurs, without a significant difference in PaCO2 levels.