Article Figures & Data
Tables
Aneurysm Location No. of Aneurysms (%) Ruptured Unruptured Anterior circulation 21 (58) 56 (89) ICA 11 42 Paraclinoid 1 25 PCoA 7 15 AchA 0 1 Bifurcation 1 1 ACA 8 7 MCA 2 7 Posterior circulation 16 (43) 7 (11) BA tip 6 3 SCA 6 1 PICA 2 1 PCA 2 2 Total 37 63 Note.—ICA, internal carotid artery; PCoA, posterior communicating artery; AchA, anterior choroidal artery; ACA, anterior cerebral artery; MCA, middle cerebral artery; BA, basilar artery; SCA, superior cerebellar artery; PICA, posterior inferior cerebellar artery; PCA, posterior cerebral artery.
Size of Aneurysm Embolized Volume (%) Stable Aneurysm Unstable Aneurysm Small (n=71) Small neck (n = 47) 32.5 ± 9.8 19.3 ± 7.3 Wide neck (n = 13) 27.7 ± 11.4 17.4 ± 10.3 Large (n = 27) 20.2 ± 8.2 12.9 ± 5.7 - TABLE 3:
Correlation between initial angiographic percentage occlusion and long-term stability in small aneurysms
Initial Angiographic Result of Treatment Stability of Aneurysm on Follow-up Angiogram Stable Unstable Total (n=47) 43 4 Subtotal (n=9) 9 0 Partial (n=8) 8 7 - TABLE 4:
Correlation between initial angiographic percentage occlusion and long-term stability in large and giant aneurysms
Initial Angiographic Result of Treatment Stability of Aneurysm on Follow-up Angiogram Stable Unstable Total (n=2) 1 1 Subtotal (n=20) 9 11 Partial (n=7) 2 5 - TABLE 5:
Comparison between angiographic evaluation and embolized volume during long-term follow-up
Initial Angiographic Results of Treatment Embolized Volume (%) Stable Unstable Total (n=49) 30.8 ± 10.2* (n = 44) 19.9 ± 0.6 (n = 5) Subtotal (n=29) 27.5 ± 12.1† (n = 18) 13.7 ± 6.0 (n = 11) Partial (n=22) 20.5 ± 4.8 (n = 10) 15.4 ± 8.2 (n = 12) * P=.03.
† P=.0001.
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