Key result
Urgent coronary angiography in out-of-hospital cardiac arrest patients was associated with a significantly lower mortality rate compared to no angiography (P < 0.00001).
Why the study?
While immediate CAG with PCI is well recognized in patients presenting with STEMI and cardiac arrest, its role after cardiac arrest without STEMI remains less clear.
Does urgent coronary angiography and PCI improve early survival in patients with out-of-hospital cardiac arrest?
Observational (n=221)
No
Does urgent coronary angiography and PCI improve early survival in patients with out-of-hospital cardiac arrest?
p-value: p=< 0.00001
Urgent coronary angiography in out-of-hospital cardiac arrest patients reveals a high incidence of coronary artery disease and is associated with lower mortality.
Urgent CAG was associated with lower mortality; leaves open whether routine use improves outcomes in non-STEMI OHCA.
AIMS: The role of immediate coronary angiography (CAG) with percutaneous coronary intervention (PCI) in patients who present with ST-segment elevation myocardial infarction (STEMI) and cardiac arrest is well recognized. However, the role of immediate angiography in patients after cardiac arrest without STEMI is less clear. We assessed whether urgent (<6 h) CAG and PCI (whenever needed) was associated with improved early survival in out-of-hospital cardiac arrest (OHCA). METHODS: In our single-centre, retrospective, observational study, we included all consecutive OHCA patients admitted to the A&E of the Careggi University Hospital between 1 June 2016 and 31 July 2020. One hundred and forty-four OHCA patients were submitted to CAG and constituted our study population. RESULTS: Among the 221 consecutive OHCA patients, 69 (31%) had refractory cardiac arrest treated with extracorporeal cardiopulmonary resuscitation (eCPR) in 37 (37/69, 56%) patients. The mortality rate was significantly higher in the no CAG subgroup (P < 0.00001). In the CAG subgroup, coronary artery disease was detected in the 70% (92 patients), among whom the left main coronary artery was involved in 10 patients (10.8%). At multivariable regression analysis (CAG subgroup, outcome ICU survival), witnessed cardiac arrest was independently associated with survival. CONCLUSION: A high incidence of coronary artery disease was observed at CAG in the real-world of OHCA patients. Better planning of revascularization and treatment in patients studied with CAG may explain, at least in part, their lower mortality rate.
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Caniato et al. (2023) conducted an observational in Out-of-hospital cardiac arrest (OHCA) (n=221). Urgent coronary angiography (CAG) vs. No coronary angiography was evaluated on Mortality rate (p=< 0.00001). Urgent coronary angiography in out-of-hospital cardiac arrest patients was associated with a significantly lower mortality rate compared to no angiography (P < 0.00001).
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