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[Ischemia of the lower extremity due to a persistent a. ischiadica--a possible interventional therapeutic approach]
R Tomczak1, J Görich, R Pamler
1Klinik und Poliklinik für Radiologie, Universität Ulm. reinhard.tomczak@medizin.uni-ulm.de
Insights
A rare persistent sciatic artery aneurysm caused acute limb ischemia. Treatment involved intra-arterial lysis and covered stenting to restore blood flow.
Area of Science:
- Vascular Surgery
- Anatomy
- Radiology
Background:
- The sciatic artery is an uncommon lower limb vessel variant, often originating from the inferior gluteal artery.
- It typically runs alongside the sciatic nerve from the sciatic foramen to the knee.
- This artery is prone to vasculopathies, including aneurysms and dilatations.
Observation:
- This case report details a patient presenting with embolic acute lower limb ischemia.
- The ischemia was attributed to a persistent sciatic artery complicated by an aneurysm.
- The condition highlights a rare but significant vascular anomaly.
Findings:
- The patient's acute ischemia was successfully treated using intra-arterial lysis.
- The underlying sciatic artery aneurysm was managed by bridging it with a covered stent.
- This combined approach effectively resolved the embolic event and secured the anomalous vessel.
Implications:
- This case underscores the importance of recognizing and managing persistent sciatic artery aneurysms.
- Endovascular techniques, such as covered stenting, offer a viable treatment option for these rare vascular pathologies.
- Understanding such anatomical variants is crucial for accurate diagnosis and effective therapeutic strategies in vascular surgery.
Abstract:
The sciatic artery is a rarely seen variant of the vessels of the lower limb. Anatomically it is the prolongation of the inferior gluteal artery and accompanies the sciatic nerve from the sciatic foramen to the knee. More than other vessels, the sciatic artery shows vasculopathies like diffuse dilatation or aneurysms. This report describes an interesting case of embolic acute ischemia, caused by a persistent sciatic artery with an aneurysm. We treated the ischemia with intra-a. lysis and bridged the aneurysm with an covered stent.