Key result
Hypoplastic coronary arteries and myocardial bridging cause exertional SCD in adolescents and often evade routine work-up.
Why the study?
Hypoplastic coronary arteries with myocardial bridging are rare, easily missed during routine work-up, and present limited treatment options to prevent sudden cardiac death.
Highlights the risk of sudden cardiac death in adolescents with rare coronary anomalies such as hypoplastic coronary arteries and myocardial bridging, which may be missed during routine work-up.
May warrant suspicion for coronary anomalies in adolescent exertional SCD; leaves open optimal screening strategies.
A case of an adolescent male with hypoplastic coronary arteries and myocardial bridging who had a sudden cardiac death event playing soccer. This rare anomaly is not easily identified and may be missed during routine work-up. Treatment options are limited and there is a need for discussion of additional treatment considerations that may prevent sudden cardiac death in this population.
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Holtrup et al. (2025) studied this question. Hypoplastic coronary arteries and myocardial bridging can cause sudden cardiac death during exertion in adolescents and are often missed during routine clinical work-up.
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