Table 3.
Outcomes for endovascular treatment of posterior circulation aneurysms with FDs
| Outcome | Rate (95 % CI) | OR | 95 % CI | I 2 (%) | |
|---|---|---|---|---|---|
| Procedure-related mortality (mRS 6) | 0.15 (0.10–0.21) | ||||
| Aneurysm size (giant vs. small/large)a | Giant | 0.37 (0.22–0.54) | 3.77 | 1.35–10.54 | 0 |
| Small/large | 0.08 (0.04–0.15) | ||||
| Aneurysm type (saccular vs. not saccular) | Saccular | 0 (0–0.12) | 0.15 | 0.02–1.13 | 0 |
| Not saccular | 0.18 (0.10–0.28) | ||||
| Aneurysm location (basilar artery vs. not basilar artery)a | Basilar artery | 0.25 (0.14–0.37) | 4.65 | 1.24–17.40 | 0 |
| Not basilar artery | 0.07 (0.02–0.18) | ||||
| Aneurysm state (rupture vs. unrupture) | Rupture | 0.14 (0.03–0.36) | 1.96 | 0.28–13.62 | 0 |
| Unrupture | 0.11 (0.05–0.20) | ||||
| Preoperative symptoms (with vs. without) | With | 0.18 (0.10–0.30) | 2.17 | 0.17–27.91 | 0 |
| Without | 0 (0–0.10) | ||||
| Prior treatment (retreatment vs. first treatment) | Retreatment | 0 (0–0.14) | 0.33 | 0.04–2.55 | 0 |
| First treatment | 0.16 (0.08–0.26) | ||||
| Procedure-related good outcome (mRS 0–2) | 0.79 (0.72–0.84) | ||||
| Aneurysm size (small vs. large/giant) | Small | 0.73 (0.57–0.86) | 0.99 | 0.37–2.66 | 11 |
| Large/giant | 0.70 (0.60–0.79) | ||||
| Aneurysm type (saccular vs. not saccular) | Saccular | 1 (0.83–1) | 6.2 | 0.69–55.55 | 0 |
| Not saccular | 0.70 (0.57–0.81) | ||||
| Aneurysm location (basilar artery vs. not basilar artery)a | Basilar artery | 0.55 (0.41–0.69) | 0.14 | 0.04–0.54 | 0 |
| Not basilar artery | 0.95 (0.83–0.99) | ||||
| Aneurysm state (rupture vs. unrupture)a | Rupture | 0.68 (0.46–0.85) | 0.22 | 0.06–0.82 | 0 |
| Unrupture | 0.82 (0.74–0.88) | ||||
| Preoperative symptoms (with vs. without) | With | 0.65 (0.52–0.77) | 0.2 | 0.04–1.07 | 0 |
| Without | 0.97 (0.85–1) | ||||
| Prior treatment (retreatment vs. first treatment) | Retreatment | 0.92 (0.73–0.99) | 1.72 | 0.40–7.34 | 0 |
| First treatment | 0.73 (0.61–0.83) | ||||
| Complete occlusion rate at 6-month DSA | 0.84 (0.68–0.94) | ||||
| Aneurysm size (small vs. large/giant) | Small | 1 (0.40–1) | 3.6 | 0.26–50.84 | 0 |
| Large/giant | 0.6 (0.15–0.95) | ||||
| Ischemic stroke | 0.11 (0.07–0.17) | ||||
| Aneurysm size (small vs. large/giant) | Small | 0.13 (0.04–0.29) | 1.06 | 0.26–4.30 | 0 |
| Large/giant | 0.14 (0.07–0.24) | ||||
| Perforator infarction | 0.07 (0.03–0.13) | ||||
| Subarachnoid hemorrhage | 0.03 (0.01–0.06) | ||||
| Intraparenchymal hemorrhage | 0.04 (0.01–0.08) | ||||
CI confidence interval, mRS modified Rankin scale, DSA digital subtraction angiography, OR odds ratio
aDenotes statistically significant results