Double Right Coronary Arteries Originated from Separate Ostia with Total Occlusive Lesion in One of the Two Right Coronary Arteries
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Double right coronary arteries (RCA) are very rare congenital anomalies of coronary artery. We report a case of doubleRCA with total occlusion, incidentally found by collateral flows. A 71-year-old patient underwent percutaneous coronaryintervention of left coronary arteries for angina, and the presence of double RCA was missed at initial coronary angiography(CAG). About 20 months later, second CAG was performed due to recurrent angina, and the CAG showed newly developedcollateral flow suggesting the presence of the other missed RCA. There was a total occlusion at missed RCA and the lesionwas successfully revascularized with drug eluting stent. If there was no collateral flow, the other RCA could not be foundand its critical lesion could not be managed properly. Our case suggests that collateral flow can be a useful clue in detectingcoronary anomaly. Besides, it is important to fully understand coronary anatomy, not to miss uncommon coronary lesion. (J Lipid Atheroscler 2017 December;6(2):97-101)
Abstract
Double right coronary arteries (RCA) are very rare congenital anomalies of coronary artery. We report a case of doubleRCA with total occlusion, incidentally found by collateral flows. A 71-year-old patient underwent percutaneous coronaryintervention of left coronary arteries for angina, and the presence of double RCA was missed at initial coronary angiography(CAG). About 20 months later, second CAG was performed due to recurrent angina, and the CAG showed newly developedcollateral flow suggesting the presence of the other missed RCA. There was a total occlusion at missed RCA and the lesionwas successfully revascularized with drug eluting stent. If there was no collateral flow, the other RCA could not be foundand its critical lesion could not be managed properly. Our case suggests that collateral flow can be a useful clue in detectingcoronary anomaly. Besides, it is important to fully understand coronary anatomy, not to miss uncommon coronary lesion. (J Lipid Atheroscler 2017 December;6(2):97-101)
참고문헌 (11)
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