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Extreme angulation of coronary artery takeoff represents a challenge for wiring and device advancement in percutaneous coronary intervention (PCI). This anatomic feature is particularly adverse in cases of chronic total… Click to show full abstract
Extreme angulation of coronary artery takeoff represents a challenge for wiring and device advancement in percutaneous coronary intervention (PCI). This anatomic feature is particularly adverse in cases of chronic total occlusion (CTO) of the ostial‐proximal segment of the target vessel. In this setting, the retrograde approach can help getting access to the occlusion. However, difficulties might arise at the critical step of wire externalization, due to the need to overcome the extreme ostial angle.
Journal Title: Catheterization and Cardiovascular Interventions
Year Published: 2018
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