Letter by Karam et al Regarding Article, “The Effects of Public Access Defibrillation on Survival After Out-of-Hospital Cardiac Arrest: A Systematic Review of Observational Studies”
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To the Editor:
We read with great interest the article by Bækgaard et al1 regarding the effect of public access defibrillation (PAD) on survival after out-of-hospital cardiac arrest. The authors conducted a systematic review of observational studies that assessed the impact of PAD on out-of-hospital cardiac arrest survival rate. They observed an overall survival rate at hospital discharge of 40% among patients treated with PAD, with an ≈2-fold higher survival rate in the group that received defibrillation by nondispatched lay first responders compared with patients who had their defibrillation realized by Emergency Medical …