Original Investigation

In-Hospital Cardiac Resuscitation During Widespread Resident Resignations in South Korea

JAMA Network Open 10.1001/jamanetworkopen.2026.35568

September 23, 2026 at 11:00 AM EDT

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In this retrospective cohort study, the crisis period was associated with fewer prolonged CPR attempts, with no significant differences in ROSC or survival outcomes. These findings suggest that prolonged health care workforce shortage and associated resuscitation-system adaptations may have influenced TOR practices, underscoring the need for standardized TOR decision-making.

Corresponding Author: Jinwoo Lee, MD, PhD, Seoul National University Hospital, 103 Daehak-ro, Jongno-gu, Seoul 03080, Republic of Korea (realrain7@snu.ac.kr).

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