Why the study?
It was unknown how much vasospasm accounts for out-of-hospital cardiac arrest and whether prognosis differs.
Does coronary vasospasm improve survival or neurological outcomes in survivors of out-of-hospital cardiac arrest compared to those with insignificant or obstructive coronary lesions?
Cohort (n=863)
Yes
Does coronary vasospasm improve survival or neurological outcomes in survivors of out-of-hospital cardiac arrest compared to those with insignificant or obstructive coronary lesions?
Odds Ratio: 1.474 (95% CI 0.855–2.54)
Absolute Event Rate: 66.4% vs 58.3%
p-value: p=0.162
Coronary vasospasm is a substantial cause of out-of-hospital cardiac arrest in Korea (13.8%), and although it does not increase survival rates compared to insignificant coronary lesions, it is associated with a significantly better neurological outcome.
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A 2022 study conducted a cohort in Out-of-hospital cardiac arrest (OHCA) survivors (n=863). Coronary vasospasm vs. Insignificant coronary lesion (Group I) was evaluated on Survival to hospital discharge (OR 1.474, 95% CI 0.855-2.540, p=0.162).
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