Article Figures & Data
Figures
- Fig 1.
Flow chart of total cohort and included aneurysms.
- Fig 2.
A 61-year-old woman with a ruptured 3-mm middle cerebral artery aneurysm. A, Precoiling angiogram shows a small aneurysm. B, Complete occlusion after coiling. C, Stable complete occlusion at 6 months. D, MRA at 7.3 years demonstrates a 1 × 2 mm intraluminal opening inside the coil mesh classified as a recurrence (arrow).
- Fig 3.
A 54-year-old woman with a ruptured 5-mm basilar tip aneurysm. A, Precoiling vertebral angiogram shows a basilar tip aneurysm. B, Stable complete occlusion at 6 months. C, Angiogram at 5.8 years shows a 2 × 3 mm disklike recurrence at the base of the aneurysm. D, MRA at 8.0 years is unchanged, compared with the last angiogram.
- Fig 4.
A 49-year-old woman with a ruptured 10-mm basilar tip aneurysm. A, Precoiling vertebral angiogram demonstrates the basilar tip aneurysm with a small bleb on its base (arrow). B, On the angiogram immediately postcoiling, the bleb (arrow) is not occluded. C, Unchanged open bleb (arrow) at 6 months. D, Angiogram at 5.5 years with recurrence (arrow) at the base from the bleb. E and F, MRA overview (E) and detail (F) at 8.1 years demonstrate unchanged recurrence (arrow).
- Fig 5.
A 66-year-old man presenting with seizures with an unruptured left middle cerebral artery aneurysm. A, Precoiling angiogram. B, Complete occlusion after coiling. C, Stable complete occlusion at 6 months. D, MRA at 6.6 years shows a 6 × 4 mm recurrence (arrow). E, Angiogram before the second coiling. F, After the second coiling, again complete occlusion is seen. G, Six months after the second coiling, repeat reopening of the aneurysm is noted. H, After the third coiling, again complete occlusion is seen. Note that the coil mesh is much larger than the aneurysmal lumen in A. I, Initial CT angiography before the first coiling demonstrates thrombus surrounding the aneurysm lumen and perifocal edema. J, MR imaging at 6.6 years shows migration of the coil mesh in the thrombosed part of aneurysm and a perianeurysmal cyst.
Tables
Characteristics 457 Patients with 497 Aneurysms with 6-Month Angiographic Follow-Up 297 Patients with 316 Aneurysms with Adequate Occlusion at 6 Months 36 Patients Fulfilling Inclusion Criteria Not Participating in the Study 104 Patients with 111 Aneurysms with Long-Term MRA Follow-Up Women 311 (68%) 206 (69%) 22 (61%) 71 (69%) Mean age (yr) (median, 51; range, 18–82) 52.0 (median, 51; range, 26–82) 56.0 (median, 55; range, 36–69) 54.7 (median, 54; range, 39–70) Ruptured aneurysms 351 (77%) 216 (72%) 30 (83%) 84 (81%) Aneurysm size (mm) 2–55 (mean, 9.2; median, 7) 2–22 (mean, 7.4; median, 6) 3–15 (mean, 7.4; median, 7) 3–17 (mean, 6.6; median, 5) Aneurysm location ACA 137 (27.6%) 86 (27.2%) 8 (22.2%) 23 (20.7%) MCA 34 (6.8%) 20 (6.3%) 1 (2.7%) 11 (9.9%) Posterior circulation 167 (33.6%) 107 (33.9%) 10 (27.7%) 46 (41.5) ICA 159 (32%) 103 (32.6%) 17 (47.2%) 31 (27.9%) Note:—ACA indicates anterior cerebral artery; MCA, middle cerebral artery; ICA, internal carotid artery.
- Table 2:
Detailed characteristics of 104 patients with 111 aneurysms with long-term MRA follow-up
Characteristics Patient Women 71 (69 %) Mean age (yr) 54.7 (median, 54; range, 39–70) Aneurysm Ruptured 84 (81 %) Mean size (mm) 6.6 (median, 5; range, 3–17) ≤5 mm 42 (46.9%) 6–10 mm 40 (36.1%) ≥10 mm 19 (17 %) Aneurysm location Anterior circulation 65 (58.5%) Pericallosal artery 3 Anterior communicating artery 18 A1 2 Middle cerebral artery 11 Supraclinoid internal carotid artery 7 Anterior choroidal artery 4 Posterior communicating artery 14 Carotid ophthalmic artery 6 Posterior circulation 46 (41.5%) Basilar tip 24 Posterior inferior cerebellar artery 10 Superior cerebellar artery 7 Posterior cerebral artery 4 Basilar trunk 1
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