Table 1 Registries of patients treated with contremporary directional atherectomy
From: The role of atherectomy in the treatment of lower extremity peripheral artery disease
| Â | TALON | McKinsey et al | Zeller et al |
|---|---|---|---|
Study type | Observational, nonrandomized, multicenter registry | Prospective study | Prospective, nonrandomized, single-center study |
Patients/Lesions | 728/1,517 | 275/579 | 84/131 |
Lesion location | SFA/below-the-knee | Infrainguinal | SFA/popliteal |
Average lesion length | 8.4 cm | SFA, 9.16 cm; popliteal, 3.77 cm; tibial, 4.64 cm | 9–10.6 cm |
Lesion characteristics | De novo | De novo | Group 1, 34%;a group 2, 33%;b group 3, 33%c |
Stand-alone treatment | ---- | 64.8% | ---- |
Adjunctive balloon angioplasty | 21.7% | 24.3% | 59% |
Adjunctive stenting | 6.3% | 7.5% | 6% |
Primary patency (by duplex) at 12 months | ---- | 62.2% | Group 1, 84%;a group 2, 54%;b group 3, 54%c |
18-month primary patency | ---- | 52.7% | Group 1, 73%;a group 2, 42%;b group 3, 49%c |
TLR at 12 months | 80% | ---- | Group 1, 16%;a group 2, 44%;b group 3, 47%c |
TLR at 18 months | ---- | ---- | Group 1, 22%;a group 2, 56%;b group 3, 49%c |
Claudication | ---- | 36.7% | ---- |
CLI | ---- | 63.3% | ---- |
Device-related SAEs | 5.3% | 4.1% | 3.8% |