Current and emerging catheter technologies for percutaneous transluminal coronary angioplasty

: Appropriate guide catheter selection is a paramount requirement for successful angioplasty of complex coronary artery lesions. When choosing an appropriate guide catheter, the diameter and shape of the guide are the most important factors to be considered, and depend on the anatomy of the coronary artery and backup support required to cross the obstructive lesion. In turn, backup support of the guide catheter depends on the size and terminal...