Cohort Studymoderate evidence
Rescue-Breathing Versus Chest Compression-Only Bystander Cardiopulmonary Resuscitation in Non-Cardiac Out-of-Hospital Cardiac Arrest: A Nationwide Retrospective Cohort Study.
Resuscitation·September 25, 2026·PMID 42790858
Why it mattersCurrent guidelines emphasize chest compression-only CPR for bystanders, but this large nationwide study suggests rescue breathing may still confer benefit in non-cardiac arrests, particularly in children and drowning victims. These findings could inform tailored bystander CPR education and dispatch instructions.
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