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Persistent sciatic artery. Case report.

T Gerner¹, A Henjum, H Dedichten

¹Surgical Department, Ullevaal University Hospital, Oslo, Norway.

Acta Chirurgica Scandinavica

|November 1, 1988

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A rare case of right leg ischemia due to popliteal artery embolism was treated. The internal iliac artery was found to be an aneurysmally dilated sciatic artery, which was then ligated and bypassed.

Area of Science:

Vascular Surgery
Interventional Radiology
Cardiovascular Medicine

Background:

Embolism of the popliteal artery can cause critical limb ischemia.
Surgical intervention is often required to restore blood flow.
Unusual arterial anatomy can complicate surgical approaches.

Observation:

A patient presented with right leg ischemia secondary to popliteal artery embolism.
Initial embolectomy via the common femoral artery failed to resolve the ischemia.
Arteriography revealed an aneurysmally dilated sciatic artery originating from the internal iliac artery, extending distally to the popliteal artery.

Findings:

The internal iliac artery was identified as the source of the aneurysmally dilated sciatic artery.
The sciatic artery aneurysm was successfully ligated.

Related Experiment Videos

A bypass graft was established from the common femoral artery to the popliteal artery, restoring distal perfusion.

Implications:

This case highlights the importance of thorough preoperative imaging in cases of limb ischemia with atypical anatomy.
Management of popliteal artery aneurysms requires tailored surgical strategies.
Successful revascularization can be achieved even with complex vascular anomalies.