Ref | Study population | N | Study design | Access site complication rate | Overall complication rate | Crossover rate | Follow-up length and method | Weaknesses |
5 | Patients undergoing ‘radial first’ diagnostic/interventional neuroendovascular procedure | 121 |
| 7 (5.79%) | 8 (6.61%) | 30 (24.8%) | No uniform protocol for follow-up |
|
71 | Diagnostic and intervention (aneurysm, flow diversion, stroke) | 2203 |
| 14 (0.6%) | N/A | 114 (5.2%) | No uniform protocol for follow-up |
|
72 | Patients undergoing repeat TRA at same access site | 133 |
| 7 (5.3%) | N/A | 7 (5.3%) | Follow-up at each repeat procedure | Patient selection bias (non-randomized) |
73 | Intracranial aneurysm coiling in anterior circulation | 103 |
| 0% | 0% | 0% | 30 day follow-up with Allen test and/or Doppler |
|
74 | Anterior circulation interventions | 130 |
| 0% | 0% | 0% | No uniform protocol for follow-up |
|
75 | Carotid artery stenting | 723 | Systematic review and meta-analysis | 37 (5.12%) | 61 (8.44%) | 66 (9.13%) | No uniform protocol for follow-up |
|
29 | Reaccessing occluded radial artery for neurointervention | 106 |
| 0% | N/A | 6 (5.66%) | Short-term (unspecified) follow-up for complications |
|
76 | Thrombectomy in acute stroke | 309 | Systematic review and meta-analysis | 5/280 (1.4%) | N/A | 7.2% (mean) | No uniform protocol for follow-up. |
|
77 | Diagnostic and interventional (aneurysm, stroke) | 225 |
| 3 (1.33%) | N/A | 5 (2.22%) | No uniform protocol for follow-up |
|
78 | Cerebral angiography | 148 |
| 10 (6.75%) | 10 (6.75%) | 7 (4.7%) | Barbeau test at discharge; telephone interviews with 80 patients during postoperative period |
|
79 | Angiography, intracranial/head and neck intervention | 328 |
| 8 (2.4%) | 8 (2.4%) | 26 (7.9%) | 30-day follow-up outpatient visit: evaluation of access site and radial pulse |
|
80 | Diagnostic angiography (93%) | 121 |
| 0 (0%) | 1 (0.8%) | 6 (5%) | Not collected |
|
81 | Diagnostic and intervention (embolization, coiling) | 506 |
| 4 (0.8%) | 4 (0.8%) | 33 (6.5%) | No uniform protocol for follow-up |
|
Total | 5156 | 95/5156 (1.8%) | 92/2180 (4.2%) | 300/4847 (6.2%) |
N/A, not available; TRA, transradial access; US, ultrasound.