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No-Flow Duration and Outcomes After Cardiogenic Out-of-Hospital Cardiac Arrest in Older Adults

JAMA Network Open 10.1001/jamanetworkopen.2026.31343

September 01, 2026 at 11:00 AM EDT

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In this cohort study of older adults with cardiogenic OHCA, the no-flow time window compatible with an estimated probability of at least 1% for favorable neurologic outcome became progressively shorter with advancing age. These findings may inform resuscitation decision-making in aging populations.

Corresponding Author: Yuki Kishihara, MD, PhD, Department of Emergency and Critical Care Medicine, Jichi Medical University Saitama Medical Center, 1-847 Amanuma-cho, Omiya-ku, Saitama-shi, Saitama, Japan (duke.amber.eyes6@gmail.com).

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