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Coronary arterial spasm in single coronary artery
Circulation
|December 1, 1981
Summary
A rare single coronary artery anomaly was found in a patient experiencing sudden cardiac arrest. Coronary artery spasm was induced, suggesting a potential link between this anomaly and sudden death, though the association may be coincidental.
Area of Science:
- Cardiology
- Anatomical Variations
Background:
- Single coronary artery is a rare congenital anomaly.
- Coronary artery anomalies can predispose individuals to various cardiovascular events.
Observation:
- A 48-year-old male presented with severe chest pain and loss of consciousness.
- Coronary cineangiography identified a type L2b single coronary artery (SCA).
- Intravenous ergonovine administration induced significant spasm in the right coronary artery.
Findings:
- The case demonstrates a potential association between SCA and coronary arterial spasm.
- Coronary artery spasm may be implicated as a cause of sudden death in individuals with SCA.
Implications:
- This case highlights the importance of considering SCA in patients with unexplained cardiac events.
- Further research is needed to establish a definitive causal link between SCA and coronary artery spasm, as the observed association could be coincidental.