Acute cardiac care & resuscitation
Early repolarization pattern in post-resuscitation electrocardiogram and outcomes in cardiac arrest survivors: a propensity score matching analysis
Main finding · Survival until hospital dischargeResult — go to the resultOdds ratio 1.68 95% CI 1.04–2.72Authors' conclusion
The presence of ERP in post-resuscitation ECG was associated with a greater likelihood of survival until hospital discharge.
Study context
- Population
- Adult OHCA survivors undergoing targeted temperature management at two South Korean tertiary centres, February 2018–May 2023127 (18.3%) with ERP
- Participants
- 693 survivors
- Exposure
- ERP vs no ERP on post-resuscitation electrocardiogram (ECG)
- ERPn = 127
- Outcome
- Survival until hospital discharge
- Follow-up
- Hospital discharge
Methodological detailspropensity-score matched, two centres
- Propensity-score matched
- Two centres
Main finding
As reported in the abstract
Odds ratio
1.68
95% CI 1.04–2.72
P = 0.034
ERP vs No ERP
OR 1.68 (95% CI 1.04–2.72); P = 0.034
Observational data: associations, not effects.
Further findings
| Outcome | ERP | No ERP |
|---|---|---|
| Baseline characteristics | ||
| Average age | 59.0 years | 64.1 years |
| Peak troponin I | 1.7 | 4.5 |
| Peak creatinine | 1.2 | 1.4 |
Favourable neurological outcome
- Difference not statistically significant
Safety
Post-resuscitation care variables and adverse events (matched cohort)
- No significant differences after matching, except maximum vasopressor doses
- Matched cohort
Original publication
Early repolarization pattern in post-resuscitation electrocardiogram and outcomes in cardiac arrest survivors: a propensity score matching analysis. Eur Heart J Acute Cardiovasc Care. Published 29 April 2025. doi:10.
Summarised from the published abstract; every number is checked against it