Table 3.
Characteristics | Total | AC | PC | P-value |
---|---|---|---|---|
No. of PEDs | 75 | 28 | 47 | 0.792 |
Double PED | 7 (10.3%) | 3 (12.0%) | 4 (9.3%) | 0.792 |
Average number of PED (range) | 1.10 (1–2) | 1.12 (1–2) | 1.09 (1–2) | 0.726 |
Treatment | 0.562 | |||
PED only | 52 (73.2%) | 18 (69.2%) | 34 (75.6%) | |
PED + coil | 19 (26.8%) | 8 (30.8%) | 11 (24.4%) | |
Size of PED mm (median; IQR) | 4.0 (3.5–4.25) | 4.0 (3.5–4.5) | 4.0 (3.5–4.25) | 0.451 |
Length of PED mm (median; IQR) | 30 (25–35) | 30 (25–35) | 30 (25–35) | 0.906 |
Complications | ||||
Thromboembolic | 0 | 0 | 0 | |
Hemorrhagic | 3 (4.4%) | 2 (8.0%) | 1 (2.3%) | 0.275 |
Ischemia | 3 (4.4%) | 1 (4.0%) | 2 (4.7%) | 0.900 |
Postoperative angiography | 1.000 | |||
OKM A-B-C 3 | 39 (54.9%) | 14 (53.8%) | 25 (55.6%) | |
OKM A-B-C 2 | 17 (23.9%) | 7 (26.9%) | 10 (22.2%) | |
OKM A-C 1 | 15 (21.1%) | 5 (19.2%) | 10 (22.2%) | |
LRF (m) median (range) | 6.7 (3–36.2) | 6.4 (3.6–26.8) | 7.2 (3–36.2) | 0.628 |
Follow-up occlusion rate | 0.001 | |||
OKM-D | 50 (71.4%) | 12 (48%) | 38 (84.4%) | |
OKM-B2 | 15 (21.4%) | 9 (36%) | 6 (13.3%) | |
OKM-B3 | 5 (7.1%) | 4 (16%) | 1 (2.2%) | |
mRS at last follow-up | 0.065 | |||
0–2 | 65 (97.0%) | 23 (92.0%) | 42 (100%) | |
3–5 | 1 (1.4%) | 1 (4.0%) | 0 | |
6-death Mortality w/in ≤ 30 days | 1 (1.4%) | 1 (4.0%) |
AC, anterior circulation; PC, posterior circulation; PED, pipeline embolization device; IQR, Interquartile range; OKM, O'Kelly–Marotta grading scale; LRF, last radiographic follow-up; m, months; IMF, Imaging modality at follow-up; DSA, digital subtraction angiography; CTA, computed tomography angiography; mRS, modified Rankin Scale.