Characteristics of patients and aneurysms
| Patient No. | Age (yr)/Sex | Location | N/D Ratio | Orientation | Lobularity | Branches from Aneurysm | Severe Vasospasm* | |||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| DSA | MDCTA | DSA | MDCTA | MDCTA | DSA | DSA | MDCTA | DSA | MDCTA | |||
| 1 | 48/F | AcomA | <1/3 | Same | Anterior | Same | Multi- | Same | (–) | Same | Bilateral A1, A2; left M2 | Same |
| 2 | 40/F | MCAB | <1/3 | 1/3–2/3 | Superior | Same | Single- | Same | (–) | Same | (–) | Same |
| 3 | 56/M | MCAB | 1/3–2/3 | Same | Superior | Same | Multi- | Same | Neck | Same | (–) | Same |
| 4 | 33/F | AcomA | >2/3 | Same | Inferior | Same | Multi- | Same | (–) | Same | (–) | Same |
| 5 | 39/F | AcomA | <1/3 | Same | Superior | Same | Single- | Same | (–) | Same | (–) | Same |
| 6 | 54/M | MCAB | <1/3 | Same | Inferior | Same | Single- | Same | Neck | Same | (–) | Same |
| 7 | 40/M | Distal ICA | >2/3 | Same | Superior | Same | Multi- | Same | (–) | Same | (–) | Same |
| 8 | 51/M | MCAB | 1/3–2/3 | Same | Lateral | Same | Single- | Same | Dome | Same | Right M2 | Same |
| 9 | 42/F | MCAB | >2/3 | Same | Lateral | Same | Multi- | Same | Neck | Same | (–) | Same |
| 10 | 46/M | Distal MCA | 1/3–2/3 | Same | Superior | Same | Single- | Same | (–) | Same | (–) | Same |
| 11 | 44/M | Distal ACA | 1/3–2/3 | Same | Anterior | Same | Single- | Same | (–) | Same | (–) | Same |
Note:—AcomA indicates anterior communicating artery; MCAB, MCA bifurcation; A1, first segment of the ACA; A2, second segment of the ACA; M2, second segment of the MCA; DSA, digital subtraction angiography; ICA, internal carotid artery; MCA, middle cerebral artery; ACA, anterior cerebral artery.
* Arterial spasm was categorized as severe when the vessel diameters were reduced by >50%.