Table 2 Registries of patients treated with rotational and orbital atherectomy
From: The role of atherectomy in the treatment of lower extremity peripheral artery disease
|  | Pathway System | Diamondback 360° OAS (CSI) | ||
|---|---|---|---|---|
Study | Pilot study | Multicenter, prospective registry | OASIS trial | PAD II |
Patients/lesions | 15/15 | 172/210 | 124/201 | 66/86 |
Lesion location | 47% SFA | 64% SFA | 94% popliteal and tibial | Reference vessel diameter of 1.5–4 mm |
Mean lesion length | 61 mm | 35 mm | 30 mm | 35 mm |
Calcified | ---- | ---- | 55% | ---- |
Chronic total occlusion | ---- | ---- | 12% | ---- |
Stand-alone treatment | 6 (40%) | 33% | 58.2% | 39.5% |
Adjunctive balloon angioplasty | 7 (47%) | 59% | 39.3% | 60.5% |
Adjunctive stenting | 2 (13%) | 7% | 2.50% | ---- |
Primary patency (by duplex) at 6 months | 73% | ---- | ---- | ---- |
TLR at 6 months | 0% | 13% | 2.4% | 13.6% |
TLR at 12 months | ---- | 26% | ---- | ---- |
Preprocedure ABI | 0.54 ± 0.3 | 0.59 ± 0.2 | 0.68 ± 0.2 | ---- |
ABI at 6 months | 0.81 ± 0.2 | 0.77 ± 0.3 | 0.82 ± 0.1 | ---- |
ABI at 12 months | ---- | 0.82 ± 0.3 | ---- | ---- |
MAEsa at 1 month | ---- | ---- | 4 (3.2%) | ---- |
MAEsa at 6 months | Â | 15% | 13 (10.4%) | 37.9% |
Device-related SAEs | Â | Â | 2.9% | 6% |