Rotational Atherectomy-Assisted Crossing of a Complex Right Coronary Artery Lesion Using the Retrograde Approach

Figure 2

(a) Rotational atherectomy through the vessel architecture of the proximal segment of the RCA CTO lesion. (b) Guide extension catheter (Guidezilla) placed through antegrade guiding catheter helps with tracking the retrograde guide wire into the antegrade guiding catheter.