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Advancements in Ventilation During Cardiac Resuscitation
Ian R Drennan1, Matthew R Neth2, Brian K Walsh3
1Interdepartmental Division of Critical Care, Department of Medicine, University of Toronto, Toronto, ON, Canada; Division of Emergency Medicine, Department of Family and Community Medicine, Institute of Health Policy, Management and Evaluation, Dalla Lana School of Public Health, University of Toronto, Toronto, ON, Canada; Department of Emergency Services, Sunnybrook Research Institute, Sunnybrook Health Sciences Centre, Toronto, ON, Canada; Ornge Critical Care Transport, Mississauga, ON, Canada; FIRST60, Li Ka Shing Knowledge Institute, St Michael's Hospital, Toronto, Canada.
Abstract:
Effective ventilation during cardiac arrest is vital for maintaining oxygenation and gas exchange, yet both hyperventilation and hypoventilation pose significant risks, including lung injury and neurologic damage. Current guidelines recommend specific ventilation volumes and rates, but evidence supporting these targets is limited, and actual practices often deviate, potentially impacting outcomes. Research challenges, such as the chaotic out-of-hospital setting, measurement inaccuracies, and patient heterogeneity, complicate the development of optimal strategies. Emerging technologies like real-time ventilation feedback devices and capnography offer promising avenues to improve ventilation quality, although their direct impact on survival and neurologic recovery remains unclear.
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