Why the study?
Data on the utility and timing of early coronary angiography and PCI in patients with OHCA without ST-segment elevation remain heterogeneous, complicating clinical decision making.
Does early coronary angiography improve survival and neurologic outcomes in patients with out-of-hospital cardiac arrest without ST-segment elevation?
Does early coronary angiography improve survival and neurologic outcomes in patients with out-of-hospital cardiac arrest without ST-segment elevation?
Routine early coronary angiography does not improve clinical outcomes in patients successfully resuscitated from out-of-hospital cardiac arrest without ST-segment elevation, supporting a delayed or selective approach.
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Immediate angiography confers no survival benefit in OHCA without STE; reinforces delayed selective strategy as standard.
Out-of-hospital cardiac arrest (OHCA) is among the most common causes of death in the United States. Early coronary angiography (CAG) and percutaneous coronary intervention (PCI) have been associated with improved long-term outcomes in patients with ST-segment elevation (STE) on prearrest or postarrest electrocardiograms. However, data on the utility of catheterization and PCI for improving outcomes after OHCA in patients without STE on electrocardiograms are heterogeneous, with variable results. Although older data have suggested that there is a benefit, recent randomized controlled trials have demonstrated that performing early CAG in patients with OHCA without STE on electrocardiograms may not improve outcomes. In recognition that neurologic devastation and multiorgan failure are common in these patients, physicians face the challenge of selecting appropriate patients for cardiac catheterization and PCI. This review aims to summarize the current data on this topic, with the goal to guide decision making regarding the timing and appropriateness of CAG in patients with OHCA without STE on electrocardiograms, utilizing an evidence-based approach to streamline the patient selection process.
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Kumar et al. (2022) studied this question.
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