Abstract
The anatomy and pathophysiology of ATOS is centered on congenital bony anomalies such as cervical and anomalous first ribs. These ribs lie just inferior to the subclavian artery causing the artery to constantly beat against the rib. This results in damage to the inferior wall of the artery which becomes fibrotic and eventually stenotic. The resulting turbulent flow induces vibrations leading to the histologic changes in the artery causing post-stenotic dilatation and aneurysm formation. Both stenosis and aneurysms can produce non-occlusive arterial thrombosis which is the source of distal emboli and subsequent digital ischemia or even limb ischemia.
| Original language | English (US) |
|---|---|
| Title of host publication | Thoracic Outlet Syndrome |
| Subtitle of host publication | Second Edition |
| Publisher | Springer International Publishing |
| Pages | 739-742 |
| Number of pages | 4 |
| ISBN (Electronic) | 9783030550738 |
| ISBN (Print) | 9783030550721 |
| DOIs | |
| State | Published - Jan 25 2021 |
Keywords
- Aneurysm formation
- Anomalies first rib
- Cervical rib
- Subclavian artery
- Thoracic outlet syndrome
ASJC Scopus subject areas
- General Medicine
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