[Apical hypertrophic myocardiopathy and multiple fistulae between the coronary vessels and the left ventricle]

J V Monmeneu1, V Bodí, J Sanchís

  • 1Servicio de Cardiología, Hospital Clínico Universitario de Valencia.

Insights

This study reports a rare case of apical hypertrophic cardiomyopathy linked with coronary artery fistulas. The findings suggest a potential causal relationship between these conditions and exertional chest pain (angor).

Area of Science:

  • Cardiology
  • Cardiovascular Medicine
  • Medical Imaging

Background:

  • Angor (chest pain) under exertion is a critical symptom requiring thorough investigation.
  • Hypertrophic cardiomyopathy and coronary artery fistulas are significant cardiovascular conditions.
  • Understanding the interplay between cardiac anomalies and symptoms is vital for diagnosis and treatment.

Observation:

  • A male patient presented with exertional angor.
  • Echocardiography and angiocardiography revealed apical hypertrophic myocardiopathy.
  • Coronariography demonstrated multiple fistulas between coronary arteries and the left ventricle.

Findings:

  • The study observed a co-occurrence of apical hypertrophic myocardiopathy and coronary artery fistulas.
  • A potential causal link is hypothesized, with microfistulas possibly inducing hypertrophy via a coronary steal phenomenon and ischemia.
  • Alternatively, cardiomyopathy might lead to microfistula formation through the Thebesius venous system.

Implications:

  • The findings suggest a pathogenic relationship between angor, hypertrophic cardiomyopathy, and coronary artery fistulas.
  • This case highlights the importance of considering complex anatomical variations in patients with exertional chest pain.
  • Further research into the causal mechanisms could improve diagnostic and therapeutic strategies for these rare conditions.

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