Table 3. Prevalence and Characteristics of Fibromuscular Dysplasia and Other Extracoronary Abnormalities in Patients With SCAD.
| Arterial abnormalities | No. (%) | |
|---|---|---|
| Patients with SCAD (n = 173) | Controls (n = 41) | |
| Fibromuscular dysplasia, arterial beds | 55 (31.8) | 1 (2.4) |
| 1 | 39 (22.5) | 1 (2.4) |
| 2 | 14 (8.1) | 0 |
| ≥3 | 2 (1.2) | 0 |
| Prevalence of FMD lesions in each vascular bed | ||
| Renal | 27 (15.6) | 0 |
| Cerebrovascular | 23 (13.3) | 0 |
| Iliac | 17 (9.8) | 1 (2.4) |
| Visceral | 5 (2.9) | 0 |
| Aneurysms | ||
| Total | 13 (7.5) | 0 |
| Renal | 0 | 0 |
| Cerebrovascular | 1 (0.6) | 0 |
| Intracranial | 3 (1.7) | 0 |
| Visceral | 7 (4.0) | 0 |
| Iliac | 1 (0.6) | 0 |
| Aortic | 1 (0.6) | 0 |
| Arterial dissections | ||
| Total | 3 (1.7) | 0 |
| Renal | 0 | 0 |
| Cerebrovascular | 2 (1.2) | 0 |
| Visceral | 0 | 0 |
| Iliac | 1 (0.6) | 0 |
| Aorta | 0 | 0 |
| Focal stenosis | ||
| Total | 14 (8.7) | 1 (2.4) |
| Renal | 0 | 0 |
| Cerebrovascular | 6 (3.5) | 0 |
| Visceral (other than celiac trunk stenosis) | 3 (1.7) | 0 |
| Celiac trunk | 5 (2.9) | 1 (2.4) |
| Iliac | 0 | 0 |
Abbreviations: FMD, fibromuscular dysplasia; SCAD, spontaneous coronary artery dissection.