Table 2.
Baseline angiographic type and stroke etiology of primary/secondary M2 patients treated with the ONE-SEG technique.
| All | Primary M2 | Secondary M2 | |
|---|---|---|---|
| Number of patients, n (%) | 30 (100) | 17 (56.7) | 13 (43.3) |
| Angiographic type of presentation (by vessel) | |||
| Isolated M2 occlusion, n (%) | 23 (76.7) | 12 (70.6) | 11 (84.6) |
| Tandem M2 occlusion, n (%) | 0 (0) | 0 (0) | 0 (0) |
| Multi-vessel M2 occlusion, n (%) | 7 (23.3) | 5 (29.4) | 2 (15.4) |
| Vessel diameter of M2, median, (IQR) mm | 2.0 (1.8–2.2) | 2.0 (1.9–2.3) | 2.0 (1.8–2.1) |
| M2 occlusion site | |||
| Proximal M2, n (%) | 15 (50) | 10 (58.8) | 5 (38.5) |
| Distal M2, n (%) | 15 (50) | 7 (41.2) | 8 (61.5) |
| M2 division | |||
| Superior M2, n (%) | 16 (53.3) | 8 (47.1) | 8 (61.5) |
| Inferior M2, n (%) | 14 (46.7) | 8 (47.1) | 6 (46.2) |
| Intermediate M2, n (%) | 0 (0) | 0 (0) | 0 (0) |
| M2 type | |||
| Dominant M2, n (%) | 19 (63.3) | 11 (64.7) | 8 (61.5) |
| Co-dominant M2, n (%) | 11 (36.7) | 6 (35.3) | 5 (38.5) |
| Non-dominant M2, n (%) | 0 (0) | 0 (0) | 0 (0) |
| Aspiration catheter | |||
| 3MAX, n (%) | 2 (6.7) | 1 (5.9) | 1 (7.7) |
| 4MAX, n (%) | 4 (13.3) | 2 (11.8) | 2 (15.4) |
| 5Fr SOFIA, n (%) | 1 (3.3) | 1 (5.9) | 0 (0) |
| CAT60, n (%) | 1 (3.3) | 1 (5.9) | 0 (0) |
| RED62, n (%) | 2 (6.7) | 2 (11.8) | 0 (0) |
| REACT68, n (%) | 7 (23.3) | 4 (23.5) | 3 (23.1) |
| REACT71, n (%) | 12 (40) | 5 (29.4) | 7 (53.9) |
| 6Fr Esperance, n (%) | 1 (3.3) | 1 (5.9) | 0 (0) |
| Etiology | |||
| Cardioembolic, n (%) | 25 (83.3) | 16 (94.1) | 9 (69.2) |
| Large artery atherosclerosis, n (%) | 4 (13.3) | 3 (5.9) | 3 (23.1) |
| Undetermined, n (%) | 1 (3.3) | 0 (0) | 1 (7.7) |
Data are presented as number (%) or median (interquartile range) values. Bold values in Primary M2, M2 occlusion that occurred de novo; Secondary M2, M2 occlusion from occlusion of a large vessel due to migration or fragmentation of a thrombus.