ArticleFrontiers in medicine2026
Comparison of prehospital tidal volume delivery performance between automated transport ventilators and bag-valve devices in out-of-hospital cardiac arrest patients: does the pressure limit matter?
Article in Frontiers in medicine, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Background: Automatic transport ventilators (ATVs) are a potential option for ventilating patients experiencing out-of-hospital cardiac arrest (OHCA); however, their tidal volume delivery performance at different pressure limits compared with that of manual ventilation remains unclear. Methods: This retrospective study with quasi-experimental before-after features included adult patients with nontraumatic OHCA with prehospital advanced airway in Hsinchu county, Taiwan, in 2023. Participants were categorized into three groups: Group 1 (ventilated by ATVs; pressure limit: 45 cmH Results: Groups 1, 2, and 3 comprised 41 (23.0%), 80 (44.9%), and 57 (32.0%) patients with OHCA, respectively. In the Conclusion: ATVs demonstrated comparable delivered inspiratory tidal volume to BVD ventilation in this exploratory retrospective cohort. Increasing the pressure limit of ATVs from 45 to 60 cmH2O did not increase delivered inspiratory tidal volume. The optimal pressure settings of ATVs, formal feasibility and implementation outcomes, and their effects on clinical outcomes remain unclear and require prospective validation.
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