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Medical Science Monitor Basic Research


Coronary artery to pulmonary artery fistula

Mistake in diagnosis, Unusual setting of medical care, Rare disease, Educational Purpose (only if useful for a systematic review or synthesis)

Heydar Dadkhah-Tirani, Arsalan Salari, Shora Shafighnia, Seyed Fazel Hosseini, Misa Naghdipoor

Iran Department of Cardiology, Dr. Heshmet Hospital, Guilan University of Medical Sciences, Rasht, Iran

Am J Case Rep 2013; 14:486-488

DOI: 10.12659/AJCR.889416

Available online:

Published: 2013-11-18


Background: A coronary artery fistula is an abnormal communication between a coronary artery and one of the cardiac chambers or a great vessel, so bypassing the myocardial capillary network.They are usually discovered incidentally upon coronary angiography. Clinical manifestations are variable depending on the type of fistula, the severity of shunt, site of shunt, and presence of other cardiac condition.
Case Report: We report a 69-year-old man without any previous medical history, who was admitted to our hospital with chest pain. The electrocardiogram (ECG) showed a sinus rhythm with ST depression in V2 to V6 precordial leads. Coronary angiography revealed a coronary artery fistula from left anterior descending coronary artery (LAD) to the main pulmonary artery, right coronary artery blockage and significant stenoses on the LAD and left circumflex artery (LCX).
Conclusions: Surgical treatment was chosen because of the total occlusion of the right coronary artery and to relieve of pain to improve quality of life.

Keywords: left anterior descending coronary artery, electrocardiogram, coronary artery fistula, Angiography, Pulmonary Artery, Left circumflex artery