of the Ventumask and EasyVent, Ventukit, and EveCoulisse are very similar, respectively, whereas the Boussignac is the least expensive. However, based on the results of our study, the Boussignac device appears to perform more as a reservoir mask than as a CPAP device because of the low variable end-expiratory pressure, low airflow outputs, and high unadjustable FIO2. We concur with Drs Salturk ...
