From: Cumulative experience improves the procedures of mechanical thrombectomy
Total (n = 222) | 1st year (n = 50) | 2nd year (n = 68) | 3rd year (n = 104) | P | P (1st vs.2nd) | P (2nd vs.3rd) | |
---|---|---|---|---|---|---|---|
Door to groin puncture time (min) | 122 (92–155) | 152 (123–189) | 119 (85–149) | 106 (84–135) | < 0.001 | < 0.001 | 0.507 |
Puncture to first recanalization time (min) | 66 (51–102) | 70 (53–119) | 68 (54–103) | 60 (45–79) | 0.033 | 0.063 | 0.079 |
Door to first recanalization time (min) | 197 (163–240) | 240 (185–280) | 194 (165–227) | 177 (145–218) | < 0.001 | < 0.001 | 0.111 |
Onset to first recanalization time (min) | 340 (279–428) | 357 (294–420) | 352 (285–494) | 311 (256–378) | 0.005 | 0.073 | 0.005 |
Number of device passes | 2 (1–3) | 2 (1–4) | 1 (1–2) | 2 (1–3) | 0.013 | 0.016 | 0.076 |
Additional interventionsa | 37 (16.7%) | 9 (18.0%) | 14 (20.6%) | 14 (13.5%) | 0.367 | 0.727 | 0.217 |
First pass effect | 36 (16.2%) | 3 (6.0%) | 12 (17.6%) | 21 (20.2%) | 0.035 | 0.062 | 0.679 |
mTICI score | < 0.001 | 0.002 | 0.736 | ||||
3 | 107 (48.2%) | 15 (30.0%) | 36 (52.9%) | 56 (53.8%) | |||
2b | 74 (33.3%) | 16 (32.0%) | 23 (33.8%) | 35 (33.7%) | |||
2a | 24 (10.8%) | 11 (22.0%) | 5 (7.4%) | 8 (7.7%) | |||
1 | 9 (4.1%) | 3 (6.0%) | 2 (2.9%) | 4 (3.8%) | |||
0 | 8 (3.6%) | 5 (10.0%) | 2 (2.9%) | 1 (1.0%) | |||
Successful recanalization | 181 (81.5%) | 31 (62.0%) | 59 (86.8%) | 91 (87.5%) | 0.001 | 0.002 | 0.888 |
mRS 0–2 at 90 days | 85 (38.3%) | 17 (34.0%) | 25 (36.8%) | 43 (41.3%) | 0.357 | 0.758 | 0.549 |
Any ICHb | 91 (41.4%) | 25 (50.0%) | 30 (44.8%) | 36 (35.0%) | 0.062 | 0.577 | 0.200 |
sICH b | 18 (8.2%) | 6 (12.0%) | 6 (9.0%) | 6 (5.8%) | 0.183 | 0.593 | 0.438 |
Death at 90 days | 43 (19.4%) | 12 (24.0%) | 12 (17.6%) | 19 (18.3%) | 0.462 | 0.399 | 0.918 |