Unraveling Coronary Intercostal Steal SyndromeA Rare Coronary Anomaly

Introduction: Coronary artery anomalies are rare but can have significant clinical implications. One such rare anomaly, Coronary-Intercostal Steal Syndrome, presents a unique challenge in cardiology. This case report highlights a newly identified connection between the left circumflex coronary artery and intercostal arteries, causing myocardial ischemia.

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Understanding Coronary-Intercostal Steal Syndrome:

• A 60-year-old female patient experienced anginal pain triggered by exertion and relieved by rest.
• Diagnostic coronary angiography revealed an abnormal connection between the left circumflex coronary artery and intercostal arteries.
• This condition led to a phenomenon similar to coronary steal syndrome, where blood flow is diverted away from the myocardium, causing ischemic symptoms.

Clinical Findings and Diagnosis:

• ECG results were normal with no ischemic changes.
• Complete blood count, kidney function, and lipid profile were within normal limits.
• Coronary angiography identified a rare arterial connection leading to myocardial ischemia.

Interventional Treatment and Outcome:

• Embolization of the abnormal connection using three coils was successfully performed.
• Post-procedure angiography confirmed occlusion of the abnormal artery.
• The patient was discharged within 24 hours without complications.

Medical Insights and Broader Implications: Congenital coronary anomalies are rare, with a prevalence of approximately 1%. Some remain asymptomatic, while others, like the presented case, can cause significant cardiac symptoms. The American College of Cardiology (ACC) emphasizes the importance of early diagnosis and tailored management for coronary artery anomalies to prevent life-threatening outcomes.

Further Reading and Resources

• Read the full study at https://doi.org/10.29328/journal.jccm.1001078.
• Explore more cardiology studies at https://www.cardiologymedjournal.com/jccm.

Key Takeaways:

• Coronary-Intercostal Steal Syndrome is a newly identified vascular anomaly.
• Angiography remains the gold standard for diagnosing congenital coronary anomalies.
• Endovascular embolization is an effective treatment for symptomatic cases.

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