IVUS still images
Classification of morphologic effects of percutaneous transluminal coronary angioplasty
Concentric plaque
1. Smooth walled dilatation
2. Superficial tear
3. Deep tear to media
4a. Subintimal dissection
4b. Submedial dissection
Concentric/Eccentric plaque
Eccentric plaque
5. Circular dissection
6. Smooth walled dilatation
7a. Subintimal dissection
7b. Submedial dissection
Adapted from Geber et al. Am J Cardiol 1992; 70:1546-1554.
Superficial tear
Cutting balloon signature - tears -
Pre-intervention
Post-cutting balloon
Deep tear to media
Pre-intervention
Post-POBA
Subintimal dissection (media intact)
- Concentric plaque, Post-POBA -
Subintimal dissection (media intact)
- Eccentric plaque -
Pre-intervention
Post - POBA
Submedial dissection (media disrupted)
- Post POBA -
View the
IVUS video: Dissection - tear
View the
IVUS video: Dissection - flap
