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A persistent sciatic artery aneurysm containing a free-floating thrombus: report of a case
Satoshi Unosawa1, Yusuke Ishii, Tetsuya Niino
1Department of Cardiovascular Surgery, National Hospital Organization Disaster Medical Center, 3256, Midori-chou, Tachikawa-shi, Tokyo, 190-0014, Japan, unosaw@gmail.com.
Surgery Today
|July 14, 2014
Summary
A rare persistent sciatic artery aneurysm in a 72-year-old female contained a free-floating thrombus. Surgical bypass and aneurysm exclusion successfully prevented embolic events.
Area of Science:
- Vascular Surgery
- Embryology
- Peripheral Arterial Disease
Background:
- A persistent sciatic artery is a rare congenital vascular anomaly where the embryonic sciatic artery fails to involute, remaining as the primary blood supply to the lower limb.
- This condition is frequently associated with the development of aneurysms.
- Persistent sciatic artery aneurysms are an uncommon etiology of peripheral arterial embolic disease.
Observation:
- A case is presented of a 72-year-old female diagnosed with a persistent sciatic artery aneurysm.
- A significant finding was the presence of a free-floating thrombus within the aneurysm.
- This thrombus posed a risk for peripheral embolization.
Findings:
- The patient underwent surgical intervention involving an iliac-popliteal artery bypass.
- The persistent sciatic artery aneurysm was surgically excluded.
- These procedures were performed to mitigate the risk of embolic complications.
Implications:
- This case highlights the importance of recognizing persistent sciatic artery aneurysms as a source of embolic events.
- Surgical management, including bypass and exclusion, can be effective in preventing embolization.
- Early diagnosis and treatment are crucial for managing this rare vascular anomaly and its complications.
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