[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.
Abstract:
A male patient presented with symptoms of angor under effort. Echocardiography and angiocardiography revealed apical hypertrophic myocardiopathy, associated with multiple fistulas connecting the anterior descending coronary artery and right coronary artery with the cavity of the left ventricle, as demonstrated by coronariography. We comment on the hypothesis that support a causal relationship between the two anomalies, microfistulas being the possible cause of the reactive hypertrophy through the induction of a coronary steal phenomenon with local ischemia; alternatively, the myocardiopathy itself might be the cause of microfistulas formation by inducing an anomaly in the Thebesius venous system. A pathogenic relationship is suggested between the syndrome of angor and these two rare pathological entities.
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