Table 1:
Baseline characteristics
| Parameter | No. |
|---|---|
| No. of procedures | 129 |
| No. of aneurysms | 131 |
| No. of branches covered | 228 |
| Sex | |
| Female | 82 (63.6%) |
| Male | 47 (36.4%) |
| Median age (range) (yr) | 58 (29–82) |
| Smokinga | 40 (33.3%) |
| Multiple aneurysms | 32 (24.8%) |
| Presenting symptoms | |
| Asymptomatic | 28 (21.7%) |
| Headache/dizziness | 30 (23.3%) |
| Neurologic deficit | 71 (55%) |
| Subarachnoid hemorrhage | |
| Immediate (<24 hr) | 18 (14.0%) |
| Acute (>24 hr and <2 wk) | 7 (5.4%) |
| Remote (>2 wk) | 14 (10.9%) |
| Pretreatment mRS | |
| 0–2 | 101 (78.3%) |
| 3–5 | 28 (21.7%) |
| Aneurysm shape | |
| Saccular | 49 (37.4%) |
| Fusiform | 53 (40.5%) |
| Dissecting | 29 (22.1%) |
| Aneurysm location | |
| Vertebral artery | 46 (35.1%) |
| PICA | 10 (7.6%) |
| Vertebrobasilar artery | 18 (13.6%) |
| Basilar artery | 45 (34.5%) |
| SCA | 4 (3.1%) |
| PCA | 8 (6.1%) |
| Aneurysm measurements (median) (range) (mm) | |
| Maximal diameter | 12 (2–73) |
| Neck size (for saccular aneurysms) | 5.35 (2–15) |
| Daughter sac | 26 (19.8%) |
| Prior treatment | |
| Endovascular | 14 (10.7%) |
| Surgery | 2 (1.5%) |
| Both | 1 (0.8%) |
| Platelet function test | 77 (59.7%) |
| Clopidogrel nonresponders | 14 (18.2%) |
| Treatment of nonresponders | |
| Continue clopidogrel | 8 (57.1%) |
| Switch to ticagrelor | 5 (35.8%) |
| Other | 1 (7.1%) |
Note:—SCA indicates superior cerebellar artery.
a
Data are missing for 9 procedures.