Basics of the Cath Lab: Resources for CVPs, Fellows, and the Cath Curious (Coronary Interventions 101)-Graft Anatomy and Considerations

Video Transcription

Video Summary

The presentation reviews coronary bypass graft anatomy and safe catheterization planning. Grafts may use arterial conduits, such as the internal mammary or radial arteries, or saphenous vein grafts. Prior surgical reports and imaging help identify graft origins and targets; access choice, catheter selection, and fluoroscopic views should be tailored to the anatomy. Angiography should assess each graft from its aortic or subclavian origin through the graft body to its distal anastomosis, recognizing sequential, Y-shaped, and other configurations.<br /><br />Graft procedures carry greater risks than routine catheterization, including arrhythmia, dissection, rupture, distal embolization, and no-reflow. Careful, atraumatic engagement, therapeutic anticoagulation, appropriate balloon sizing, and liberal vasodilator use help reduce complications. Embolic protection may be useful in severely degenerated or thrombotic vein grafts. Because no-reflow is difficult to treat and graft disease can progress despite intervention, prevention, ongoing medical therapy, and close teamwork among cath-lab staff are essential.

Asset Subtitle

Amit Hood, MD, FSCAI and Derek Pineda, FNP, CCRN, RCIS, AACC

Keywords

coronary bypass graft

catheterization planning

internal mammary artery

saphenous vein graft

angiography

no-reflow