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Cardiac arrest

Physician attendance improves OHCA neurological outcomes

Differential Association of Prehospital Physician Presence with Outcomes in Out-of-Hospital Cardiac Arrest: Secondary Analysis of a Nationwide Registry
Prehospital Emergency Care · Added 27 July 2026

Prehospital physician presence was associated with improved neurological and survival outcomes after OHCA, with variation across patient subgroups; however, given the observational design and potential selection bias, these findings should be regarded as hypothesis-generating.

Study type
Registry
Design
Retrospective secondary analysis of nationwide Japanese OHCA registry
Participants
83,239 adult OHCA patients, 9,562 with physician attendance
Main finding
Physician presence associated with favourable neurological outcome at 30 days (aOR 1.49, 95% CI 1.34-1.65), consistent across most subgroups but not significant in patients undergoing ECPR
Caveat
Observational registry design with potential selection bias in which patients receive physician attendance
Bottom line
Hypothesis-generating

Learning goal

Understand how physician-staffed prehospital response influences outcomes in out-of-hospital cardiac arrest in the Australian context.

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