Selective injection of the conus branch should always be attempted if no collateral filling visualises a chronically occluded left anterior descending coronary artery.
A conus branch with a separate aortic origin is a frequently overlooked collateral source in patients with an occluded left anterior descending artery. This case report shows how good surgical planning can be obtained using selective angiography of the conus branch.
Tanigawa
Jun
J
Petrou
Mario
M
Di Mario
Carlo
C
D000368:Aged; D002908:Chronic Disease; D003097:Collateral Circulation; D017023:Coronary Angiography / Q000379:methods*; D001026:Coronary Artery Bypass; D023921:Coronary Stenosis / Q000000981:diagnostic imaging* / Q000601:surgery; D003331:Coronary Vessels; D005260:Female; D006801:Humans; D007269:Injections, Intra-Arterial