Effects of the Vertebral Artery Ostium/Subclavian Artery Angle on In-Stent Restenosis after Vertebral Artery Ostium Stenting

Figure 1

RVA: right vertebral artery; RCCA: right common carotid artery; LVA: left vertebral artery; LCCA: left common carotid artery; RSCA: right subclavian artery; LSCA: left subclavian artery. Vertebral artery ostium/subclavian artery angle (blue arrows).