Results from systematic analysis of 21 studies on transradial approach for neurointervention
| Study variables | |
| Number of studies | 21 |
| Total number of patients | 1342 |
| Number of female patients* | 315/742 (42.4%) |
| Median age in years (range) | 66.2 (48.5–86) |
| Indication | |
| Aneurysm treatment | 423 |
| Mechanical thrombectomy | 127 |
| Carotid artery stenting | 616 |
| Tumor embolization | 22 |
| Others (vertebrobasilar angioplasty and stenting, embolization of arteriovenous malformation, dural arteriovenous fistula and tumor, balloon test occlusion) | 154 |
| Left-sided lesions † | 391/692 (56.5%) |
| Anterior lesions‡ | 816/955 (85.4 %) |
| Complications | |
| Major | 2 (0.15%) |
| Minor | 37 (2.75%) |
| Crossovers to transfemoral approach | |
| Secondary to access site issues | 7 (0.52%) |
| Difficult to engage in target vessel | 57 (4.24%) |
*Gender was reported only in 660 patients of the total 842 patients.
†Side of the lesion was reported only in 692 patients of the total 1342 patients.
‡Location of lesion was described only in 955 patients of the 1424 patients.