OBJECTIVES: This study aimed to examine coronary angiography (CAG) findings, percutaneous coronary intervention (PCI) results and outcomes in out-of-hospital cardiac arrest patients (OHCA) without return of spontaneous circulation (ROSC) on admission to hospital. METHODS: We analyzed the OHCA register and compared CAG, PCI, and outcome data in patients with and without ROSC on admission to hospital. RESULTS: Between January 2012 and December 2020, 697 OHCA patients were analyzed. Of these, 163 (23%) did not have ROSC at admission. Patients without ROSC were younger (59 vs. 61 years, p = 0.001) and had a longer resuscitation time (62 vs. 18 minutes, p < 0.001) than patients with ROSC. Significant coronary artery disease was highly prevalent in both groups (65% vs. 68%, p = 0.48). Patients without ROSC had higher rates of acute coronary occlusions (42% vs. 33%, p = 0.046), specifically affecting the left main stem (16% vs. 1%, p < 0.001). PCI was performed in 81 patients (50%) without ROSC and in 295 (55%) with ROSC (p = 0.21). The success rate was 86% in patients without ROSC and 90% in patients with ROSC (p = 0.33). Thirty-day survival was 24% in patients without ROSC and 70% in patients with ROSC. CONCLUSIONS: OHCA patients without ROSC on admission to hospital had higher acute coronary occlusion rates than patients with prehospital ROSC. PCI is feasible with a high success rate in patients without ROSC. Despite prolonged resuscitation times, meaningful survival in patients admitted without ROSC is achievable.

2nd Department of Medicine Department of Cardiovascular Medicine 1st Faculty of Medicine Charles University Prague and General University Hospital Prague Czech Republic

Prague Emergency Medical Service Prague Czech Republic

Resuscitation. 2022 Jun;175:30-31. doi: 10.1016/j.resuscitation.2022.04.004. PubMed

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Effect of intra-arrest transport, extracorporeal cardiopulmonary resuscitation and immediate invasive assessment in refractory out-of-hospital cardiac arrest: a long-term follow-up of the Prague OHCA trial