Table 2 Table of the individual cases on the exposure, symptom and findings, imaging shown in supplement file
No | Age | Year/exp | Average exposure | SWS neurological | SWS vascular | Localized Raynaud | Allen’s test | Ultrasound stenosis | Ultrasound abnormalities | MRA stenosis | MRA abnormalities |
|---|---|---|---|---|---|---|---|---|---|---|---|
1 | 65 | 20 | High | 1 | 1 | No | Ulnar | Radial artery stenosis | – | Stenosis in ulnar part of arch | Only deep arch, Ulnar corkscrew appearance |
2 | 63 | 40 | Medium | 1 | 2 | No | Radial | Reduced flow in the radial artery | Inadequate qualitya | Inadequate qualitya Ulnar corkscrew appearance | |
3 | 60 | 43 | Low | 0 | 1 | Digit 4–5 | Ulnar | Ulnar artery occlusion | Ulnar artery occlusion radial artery stenosis | Only deep arch normal, with an abnormal variant of superficial arch that originates from the deep arch | |
4 | 59 | 30 | Low | 2 | 2 | Digit 2–4 | Ulnar | Ulnar artery stenosis, thin ulnar artery | Suspect flow by collaterals to arch | Ulnar artery stenosis | Only deep arch. Ulnar corkscrew appearance |
5 | 49 | 22 | Low | 1 | 2 | Digit 3–5 | Ulnar | – | Only ulnar artery flow | – | Deep arch and abnormal superficial arch (duplicated) |
6 | 42 | 14 | Medium | 0 | 3 | Digit 2–3 | Ulnar | Radial artery stenosis | – | Only deep arch and incomplete arch formation, Ulnar corkscrew appearance | |
7 | 35 | 12 | Medium | 1 | 2–3 | No | Ulnar | Radial artery stenosis | Stenosis in ulnar part of arcus | Only superficial arch and stenosis or incomplete deep arch | |
8 | 32 | 14 | Medium | 1 | 2 | No | Radial | Spastic vessel Atypical anatomy | – | Only one arch with atypical anatomy-Persisten Median Artery | |
9 | 21 | 2 | Medium | 0 | 1 | No | Radial | Only ulnar artery flow | Thin radial artery and suspected vasospastic segment rather than stenosis | Only deep arch | |
10 | 49 | 20 | Medium | 1 | 2 | No | Radial | Only ulnar artery flow | Stenosis or spastic segment in ulnar part of the arch | Deep arch and incomplete superficial arch |