Letter by Bougouin et al Regarding Article, “Regional Variation in Out-of-Hospital Cardiac Arrest Survival in the United States”
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To the Editor:
We read with great interest the article by Girotra et al.1 The authors reported a marked variation in survival rates after out-of-hospital cardiac arrest (OHCA) across different US counties. Survival rate at discharge was quite heterogeneous and significantly associated with bystander response, especially bystander cardiopulmonary rescusitation and early automated external defibrillator use, which are known to be major links in the chain of survival.2 However, other links matter after OHCA. Recent guidelines have strongly reinforced the crucial importance of …