Table 3.
Characteristics of basilar artery in 9 LOPD patients during 5 year follow up measured by TOF-MRA
| Baseline | 5 year follow-upa | p values | |
|---|---|---|---|
| Basilar artery characteristics | |||
| - Diameter (mm) | |||
| • proximal • middle • distal |
3.8 ± 1.8 3.2 ± 0.7 2.9 ± 0.8 |
3.6 ± 0.9 3.5 ± 1.5 3.3 ± 1.4 |
p = 0.512 p = 0.584 p = 0.143 |
| - Anatomic length (mm) | 33.2 ± 7.5 | 33.4 ± 8.2 | p = 0.808 |
| - Linear length (mm) | 30.3 ± 2.9 | 30.1 ± 3.9 | p = 0.799 |
| - Volume (ml) | 0.214 ± 0.138 | 0.240 ± 0.211 | p = 0.475 |
| Smokers criteria | |||
| - Abnormal lateral BA displacement | 0/9 (0%) | 0/9 (0%) | p = 1.00 |
| - Abnormal height of BA bifurcation | 3/9 (33%) | 5/9 (56%) | p = 0.64 |
| Other parameter | |||
| SUCA outlet angle (°) | 138 ± 34 | 128 ± 32 | p = 0.019 |
| White matter lesionsb | 5/8 (63%) | 5/8 (63%) | p = 1.00 |
aTOF-MRA was done with the same MR scanner, but different TOF-MR protocols; bone LOPD patient had a CT scan