Distribution and degree of vasospasm and degree of vasodilation
| Vasospasm | Vasodilation | |||||
|---|---|---|---|---|---|---|
| Patients | Spastic segments | Degree | After nimodipine | After catheterization | After stenting | After treatment |
| 1 | R ICA, B MCA, B A1 | Se, Se, Mo | Mi, Mo, Mo | Ud, –, – | – | Co, Mo, Mo |
| 2 | R ICA, R MCA, R A1 | Mo, Se, Se | Mo, Mi, Mo | Ud, –, – | – | Co, Mo, Mo |
| 3 | R A1, B A2, B MCA | Se, Se, Mo | Mo, Mi, Mi | Ud, –, – | – | Co, Mo, Mo |
| 4 | B ICA, B A1-A2, B M1-M2 | Mo, Se, Se | Mi, Mi, Mi | Ud, –, – | – | Co, Mo, Mi |
| * | R M1-2, R A1-2 | Mo, Mo | Mi, Mi | Ud, – | Mo, – | Co, Mo |
| 5 | L A1, B A2 | Se, Se | Mi, Ud | Ud, – | – | Mo, Co |
| 6 | R M1, M2 | Se, Mo | Ud, Mi | † | – | Co, Co |
| 7 | L A1, B A2, L MCA | Se, Se, Mo | Mi, Mi, Mo | Ud, –, – | – | Co, Co, Mo |
| 8 | R A1, B-A2 | Se, Mo | Mi, Mi | Ud, Mi | Co, Co | Co, Co |
| 9 | L M1, M2 | Se, Mo | Mi, Mi | Ud, Ud | Co, Co | Co, Co |
| 10 | B ICA, B M1-M2, B A1-A2 | Se, Se, Se | Mi, Mi, Mi | Ud, Ud, – | Mo | Mo, Mi, Mi |
| 11 | R A1, B A2 | Se, Se | Ud, Mi | Ud, – | – | Mo, Co |
| 12 | L A1, B A2 | Mo, Se | Mi, Mi | Ud, – | – | Co, Mo |
| 13 | R A1, B A2 | Se, Mo | Mi, Mi | Mi, Mi | Co, Mo | Co, Co |
| 14 | BA, B PCA-SCA, B A1-A2, L M1-M2 | Se, Se, Se, Se | Mi, Mi, Mi, Mo | Ud, Mi, – Ud | Co, Mo, – Co | Co, Mo, Mo, Co |
| 15 | L A1, B A2 | Se, Se | Mi, Mi | Mi, Mi | Mo, Mo | Co, Co |
*Second-stage treatment.
†Balloon angioplasty was performed in order to achieve microcatheter passage.
A1, anterior cerebral artery A1 segment; A2, anterior cerebral artery A2 segment; B, bilateral; BA, basilar artery; Co, complete; L, left; M1, MCA M1 segment; M2, MCA M2 segment; Mi, mild; Mo, moderate; PCA posterior cerebral artery; R, right; SCA, superior cerebellar artery; Se, severe; Ud, undetermined.