Unrecognized stenosis by angiography documented by intravascular ultrasound imaging.
This report documents how intravascular ultrasound imaging was used to diagnose a short "napkin-ring" stenosis that was missed by coronary angiography. Intravascular ultrasound revealed a lumen of 2.6 x 2.5 mm in diameter and 5.0 mm2 in cross-sectional area, with a residual atheroma that occluded 63% of available cross-sectional area at the stenosis.
Ehrlich
S
S
Division of Cardiology, University of California, Irvine Medical Center, Orange 92668.
Honye
J
J
Mahon
D
D
Bernstein
R
R
Tobis
J
J
D000792:Angiography; D015906:Angioplasty, Balloon, Coronary; D003251:Constriction, Pathologic / Q000000981:diagnostic imaging; D017023:Coronary Angiography; D003324:Coronary Artery Disease / Q000000981:diagnostic imaging*; D003331:Coronary Vessels / Q000000981:diagnostic imaging*; D006801:Humans; D008297:Male; D008875:Middle Aged; D009203:Myocardial Infarction / Q000628:therapy; D012008:Recurrence; D014463:Ultrasonography / Q000379:methods*