White Line Sign of Impending Coronary Occlusion in Transcatheter Aortic Valve Replacement
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Coronary artery occlusion is a rare complication of transcatheter aortic valve replacement.1 Angiography may reveal risk factors for coronary occlusion.2,3 Older age, female sex, and previous bioprosthesis are also associated with coronary occlusion.1 A novel predictor of coronary occlusion, the white line sign, is proposed: visualization of native valve leaflet morphology during pre–transcatheter aortic valve replacement balloon aortic valvuloplasty.
A 79-year-old woman underwent balloon aortic valvuloplasty with aortography …