A Case of Symptomatic Myocardial Bridge Treated with Calcium Channel Blocker

Arash Nemat1,2,3, Atiqullah Majeedi2, Abdul Wahed Sediqi2,4

  • 1Department of Cardiology, Nanfang Hospital, Southern Medical University, Guangzhou, People's Republic of China.

Insights

Myocardial bridging (MB) is a congenital heart defect where a coronary artery segment runs within the heart muscle. This case study shows successful management of MB causing ischemia with calcium channel blockers.

Area of Science:

  • Cardiology
  • Congenital Heart Anomalies

Background:

  • Myocardial bridge (MB) is a congenital coronary anomaly where a segment of a coronary artery tunnels through the heart muscle.
  • This anomaly can lead to myocardial ischemia, particularly during increased heart rate or stress.

Observation:

  • A 44-year-old man presented with chest pain and dizziness, exacerbated by a common cold.
  • Coronary angiography revealed a myocardial bridge in the mid-left anterior descending artery (LAD).
  • The LAD segment showed significant stenosis, indicative of ischemia.

Findings:

  • The patient was treated with a calcium channel blocker as initial therapy.
  • The pharmacological approach effectively managed the symptoms associated with the myocardial bridge.
  • The patient remained asymptomatic during a two-year follow-up period.

Implications:

  • This case highlights the potential for non-surgical management of symptomatic myocardial bridges.
  • Calcium channel blockers may be a viable first-line treatment for myocardial bridging causing ischemia.
  • Further research into conservative management strategies for MB is warranted.

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