Total (n = 85) | Nitinol (n = 55) | Chromium-Cobalt (n = 30) | ||||
---|---|---|---|---|---|---|
TOF-MRA | DSA | TOF-MRA | DSA | TOF-MRA | DSA | |
Three-graded scale | ||||||
Total Occlusiona | 13 (15%) | 1 (1%) | 1 (2%) | 1 (2%) | 12 (40%) | 0 |
Stenosisb | 38 (45%) | 7 (8%) | 22 (40%) | 1 (2%) | 16 (53%) | 6 (20%) |
Patentc | 34 (40%) | 77 (91%) | 32 (58) | 53 (96%) | 2 (7%) | 24 (80%) |
Two-graded Simplified Scale | ||||||
Pathologicala+b | 51 (60%) | 8 (9%) | 23 (42%) | 2 (4%) | 28 (93%) | 6 (20%) |
Patentc | 34 (40%) | 77 (91%) | 32 (58%) | 53 (96%) | 2 (7%) | 24 (80%) |