Angiographic restenosis and classification |
Diameter stenosis ≥50% |
Type I focal: ≤10 mm in length |
IA articulation or gap |
IB margin |
IC focal body |
ID multifocal |
Type 2 diffuse: >10 mm intrastent |
Type 3 proliferative: >10 mm extending beyond the stent margins |
Type 4 total occlusion: Restenotic lesions with TIMI flow grade of 0 |
Clinical restenosis: Assessed objectively as requirement for ischemia-driven repeat revascularization |
Diameter stenosis ≥50% and one of the following: |
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