Table 3. Previous studies showing prevalence of extra-coronary abnormalities in SCAD.
| First author | Country | N | Consecutive screening* | Complete screening† | Imaging modalities used | FMD | Intracranial aneurysms | Other |
|---|---|---|---|---|---|---|---|---|
| Saw (7) 2017 | Canada | 327 | Yes | 264 (81%) | CTA or catheter angiography | 205 (62.7%) | 29 (9%) | – |
| Prasad (8) 2015 | United States | 95 | Yes | 28 (29%) | CTA up to neck + head CTA/MRA in only 28 patients | 49 (52%) | 7 (7%) | Any abnormalities: 68 (72%) |
| Rogowski (9) 2015 | Switzerland | 40 | No | Only femoral +/− renal | Femoral +/− renal angiogram | 5 (13%) | Not explored | – |
| Nakashima (11) 2016 | Japan | 25 | No | Unreported | Ultrasound, CTA or MRA | 5 (20%) | Unreported | 1 patient had also carotid dissection |
| McGrath-Cadell (10) 2016 | Australia | 19 | No | Unreported | Ultrasound, CTA or MRA | 7 (37%) | Unreported | 2 patients with extra-coronary aneurysms (location not reported) |
| Toggweiler (21) 2012 | Switzerland | 12 | Yes | 12 (100%) | MRA and ultrasound | 2 (17%) | 0 | 1 patient with renal artery dissection |
| Rashid (22) 2015 | Australia | 11 | No | 11 (100%) | Full-body CTA | 2 (18%) | 0 | 1 patient had a splenic artery aneurysm |
| Bastante (23) 2015 | Spain | 8 | Yes | 4 (50%) | Angiogram and CTA | 5 (62.5%) | 1 (12.5%) | 1 patient with splenic aneurysm |
| Present study 2018 | Spain | 40 | Yes | 40 (100%) | MRA | 5 (12.5%) | 0 | 2 patients with non-cranial aneurysms |
*, i.e., conducted systematically in all-comers, as opposed to in selected patients; †, i.e., encompassing all iliofemoral, abdominal and cervical-cranial regions. SCAD, spontaneous coronary artery dissection; FMD, fibromuscular dysplasia.