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Myocardial bridging - Sudden unexpected death of a young girl: A case report

Durre Aden1, Ravi Hari Phulware2, Sachin Mittal3

  • 1Department of Pathology, PGIMER, ABVIMS, RML Hospital, New Delhi, India.

Indian Journal of Pathology & Microbiology
|January 25, 2022
PubMed

Insights

Myocardial bridging (MB) is a rare congenital heart defect where coronary arteries tunnel within the heart muscle. This case highlights MB of the left anterior descending artery as a potential cause of sudden cardiac death.

Area of Science:

  • Cardiology
  • Pathology
  • Congenital Heart Diseases

Background:

  • Myocardial bridging (MB) is a congenital anomaly where a coronary artery segment tunnels through the heart muscle.
  • This anomalous course can lead to systolic compression, causing hemodynamic alterations and potential clinical symptoms.

Observation:

  • A case report of a 30-year-old female presenting with sudden cardiac death.
  • Histological examination revealed myocardial bridging of the left anterior descending (LAD) coronary artery.

Findings:

  • Myocardial bridging, though often incidental, can be associated with severe complications such as myocardial ischemia, infarction, and sudden death.
  • The risk of complications is heightened when MB coexists with other cardiac conditions like left ventricular hypertrophy.

Implications:

  • Emphasizes the critical need for thorough cardiac evaluation to assess the clinical significance of myocardial bridging.
  • Underscores the potential for MB, particularly in the LAD, to be a contributing factor in sudden cardiac death, even in young individuals.

Keywords:
Coronary arteryleft anterior descending arterymyocardial bridgingsudden death

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