ArticleScientific reports2026
Coronary angiography/revascularization status and 1-year cardiovascular outcomes in survivors of out-of-hospital cardiac arrest.
Article in Scientific reports, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
While neurologic outcomes after out-of-hospital cardiac arrest (OHCA) have been extensively studied, long-term cardiovascular outcomes remain underexplored. Coronary angiography (CAG) and revascularization status may reflect both the clinical status and the underlying arrest etiology, providing insight into subsequent cardiovascular risk. We conducted a retrospective nationwide cohort study using the Korean National Health Insurance Service database (2010-2019). Adult survivors of non-traumatic OHCA were classified by according to CAG/revascularization status during index hospitalization: no CAG (no-CAG), CAG without revascularization (CAG-only), and CAG with percutaneous coronary intervention or coronary artery bypass grafting (PCI/CABG). The primary outcome was 1-year major adverse cardiovascular events (MACE), defined as a composite of acute coronary syndrome or ischemic heart disease, stroke, and heart failure. Among 32,497 OHCA survivors (mean age ~ 63 years; 69% male), 1-year MACE incidence was highest in the no-CAG group (58.2%), followed by PCI/CABG (35.6%) and CAG-only (29.3%) (P < 0.001). Compared with the PCI/CABG group, the no-CAG group was associated with a higher risk of 1-year MACE (HR 1.65), whereas the CAG-only group showed no significant difference in MACE risk (HR 0.96; p = 0.166). The PCI/CABG group showed higher risks of ischemic events and heart failure, whereas stroke was more frequent in the CAG-only group. CAG/revascularization status was associated with 1-year cardiovascular outcomes and may help inform post-arrest cardiovascular risk stratification.
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