Demographics of our cohorts (n = 40) and clinical features
| Transradial Neuroangiography (n = 20) | Transfemoral Neuroangiography (n = 20) | P Value | |
|---|---|---|---|
| Age (mean) (yr) | 14.6 (SD, 1.7) | 14.4 (SD, 2.1) | .69 |
| M/F | 9:11 | 12:8 | .35 |
| Indication (No.) | |||
| Ischemic stroke work-up | 6 | 10 | |
| Arteriovenous malformation/fistula | 14 | 9 | |
| Other | 0 | 1 (Ruptured aneurysm) | |
| Procedures (No.) | |||
| Diagnostic cerebral angiography | 18 | 18 | |
| Endovascular embolization | 2 | 2 | |
| General anesthesia (%) | 95 | 95 | 1.0 |
| Preprocedural hemoglobin (mean) (g/dL) | 132.8 (SD, 18.5) | 123.8 (SD 9.5) | .21 |
| Preprocedural INR (mean) | 1.1 (SD, 0.1) | 1.1 (SD, 0.1) | 1.0 |
| Preprocedural routine use of anticoagulants/antiplatelets (No.) (%) | 4, 20 | 6, 30 | .47 |
Note:—INR indicates international normalized ratio.