Research Article
Fluid-Attenuated Inversion Recovery Vascular Hyperintensities in Transient Ischemic Attack within the Anterior Circulation
Table 1
Demographic and imaging characteristics of patients.
| | | FVH-positive (n = 31) | FVH-negative (n = 7) | value |
| | Gender | | | 0.425 | | Male | 19 (61.3%) | 3 (42.9%) | | | Female | 12 (38.7%) | 4 (57.1%) | | | Age (years) | 68 (64, 73) | 64 (54, 65) | 0.036 | | Degree of stenosis | | | 0.826 | | Grade 1 | 2 (6.5%) | 0 (0%) | | | Grade 2 | 2 (6.5%) | 1 (14.3%) | | | Grade 3 | 18 (58.0%) | 4 (57.1%) | | | Grade 4 | 9 (29.0%) | 2 (28.6%) | | | Number of stenosis | 1 (1, 2) | 1 (1, 1) | 0.394 | | Watershed regions | 2 (2, 3) | 2 (2, 2) | 0.623 | | Hypoperfusion regions | 8 (6, 13) | 4 (4, 6) | 0.005 | | MTT | 10.137 (8.417, 14.820) | 8.258 (7.512, 10.108) | 0.037 | | CBF | 8.052 (5.440, 9.756) | 10.357 (7.758, 14.905) | 0.030 | | CBV | 1.005 (0.701, 1.210) | 1.134 (0.971, 1.296) | 0.337 |
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CBF, cerebral blood flow; CBV, cerebral blood volume; DWI, diffusion weighted imaging; FHV, fluid-attenuated inversion recovery vascular hyperintensity; MTT, mean transit time.
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