Presentation and fistula angioarchitecture stratified by age of presentation and by patient gender
| Age | Gender | ||||||
|---|---|---|---|---|---|---|---|
| All Subjects n = 25 | ≤2 Years Old at Presentation n = 13 | >2 Years Old at Presentation n = 12 | P Value | Males n = 14 | Females n = 11 | P Value | |
| Baseline clinical characteristics | |||||||
| Mean age ± SD | 4.2 ± 5.3 y | 3.6 ± 5.2 y | 5.1 ± 5.7 y | .51 | |||
| Median age (range) | 1.2 y (1 day to 16 y) | 0.62 y (1 day to 14 y) | 3.0 y (21 days to 16 y) | ||||
| Male | 56% | 62% | 50% | .70 | |||
| CHF | 32% | 62% | 0% | .0016 | 43% | 9.1% | .09 |
| Seizures | 32% | 23% | 42% | .41 | 29% | 36% | 1.0 |
| Current or prior hemorrhage | 16% | 7.7% | 25% | .32 | 7.1% | 27% | .29 |
| Focal neurologic deficit | 24% | 31% | 8.3% | .32 | 21% | 27% | 1.0 |
| Median (range) presentation mRS | 2.5 (0–5) | ||||||
| Any identified comorbidity or risk factor | 48% | 69% | 25% | .047 | 43% | 55% | .70 |
| Baseline angioarchitecture | |||||||
| >1 arteriovenous connection | 64% | 100% | 25% | .0001 | 64% | 64% | 1.0 |
| >1 brain vascular lesion | 32% | 31% | 33% | 1.0 | 21% | 45% | .39 |
| Feeding artery aneurysm(s) | 8% | 0% | 17% | .22 | 14% | 0% | .49 |
| >1 arterial territory involved | 52% | 85% | 17% | .0012 | 57% | 45% | .70 |
| Any deep venous drainage in any lesion | 40% | 54% | 25% | .23 | 43% | 36% | 1.0 |
| >1 draining vein from any lesion | 48% | 38% | 58% | .43 | 43% | 64% | .43 |
| Massive venous sinus dilation | 23% | 45% | 0% | .035 | 36% | 0% | .046 |
| Any venous sinus dilation | 41% | 64% | 18% | .081 | 57% | 9.1% | .033 |
| Vein of Galen dilation | 26% | 42% | 9.1% | .16 | 29% | 18% | .66 |