Clinical and radiologic characteristics in 12 patients
| Patient No./Age (y)/Sex | Early CT Sign | Occlusion Site† | Lenticulostriate Artery Involvement | Embolic Source‡ | Time to PTA (h) | Complications§ | Initial Symptoms | NIHSS Score | Cortical Infarct | |||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Deep MCA Grade* | Superficial MCA | Admission | After Treatment | At 1 Mo | ||||||||
| 1/67/M | II | Yes | R M1 | Present | None | 3.0 | None | Hemiplegia | 22 | 12 | 3 | Yes |
| 2/80/M | I | Yes | R M1 | Absent | PAF | 4.0 | None | Hemiplegia | 16 | 2 | None | No |
| 3/72/F | II | No | L M1 | Present | AF | 3.5 | Small hemorrhage | Hemiplegia, aphasia | 13 | 5 | 1 | Yes |
| 4/74/F | None | No | R M1 | Present | AR, MR | 3.5 | None | Hemiplegia | 13 | 6 | 2 | No |
| 5/71/M | II | Yes | L M1 | Present | None | 2.5 | None | Hemiplegia, aphasia | 21 | 6 | 4 | Yes |
| 6/49/M | None | No | R M1 | Present | PAF | 7.0 | None | Hemiparesis | 5 | 0 | 0 | No |
| 7/68/M | None | No | R M1 | Present | None | 5.0 | None | Hemiplegia | 12 | 4 | 2 | No |
| 8/60/F | III | Yes | L M1 | Present | PAF | 4.0 | None | Hemiplegia, aphasia | 21 | 13 | 1 | No |
| 9/65/F | I | Yes | L M1 | Absent | MR | 3.0 | GI bleeding | Hemiplegia, aphasia | 12 | 12 | 4 | Yes |
| 10/70/M | II | No | L M1 | Present | TR | 6.0 | None | Hemiplegia, aphasia | 14 | 4 | 1 | No |
| 11/69/M | III | Yes | L M1 | Present | AF | 4.5 | None | Hemiplegia, aphasia | 24 | 8 | 1 | No |
| 12/75/F | None | No | R M1 | Present | AF | 9.0 | None | Hemiplegia | 15 | 6 | 1 | No |
* The grades were as follows: I, normal basal ganglia with subtle hypodensity localized to the insula; II, partial obscuration of the posterolateral part of the putamen; and III, hypodensity in the entire lentiform nucleus.
† M1 indicates the M1 portion of the MCA.
‡ AF indicates atrial fibrillation; AR, aortic valve regurgitation; PAF, paroxysmal atrial fibrillation; MR, mitral valve regurgitation; and TR, tricuspid valve regurgitation.
§ GI indicates gastrointestinal.