INTRAVASCULAR ULTRASOUND ASSESSMENT OF THE EFFECTS OF ROTATIONAL ATHERECTOMY IN CALCIFIED CORONARY ARTERY LESIONS

Background: Impact of rotational atherectomy (RA) on stent expansion is not fully understood. Method: We compared low, intermediate, and high Ca Index ([maximum superficial Ca angle/360] × [Ca length/lesion length]) tertiles assessed by IVUS of post RA. Reverberations with a concave-shaped lumen