Calderon et al. Expiratory ventilation assistance (EVA) through a 14G catheter (2mm) in a Totally Obstructed Airway (TOA). Poster SAM 2013

In a bench study Dr. Calderon and colleagues compared passive expiration with EVA using Ventrain in a TOA model. They demonstrated that, in contrast to passive expiration, EVA maintained an acceptable Minute Volume, avoiding auto-PEEP.