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Popliteal pseudoaneurysm caused by stent fracture
Yoshihiko Tsuji1, Ikuro Kitano, Osamu Iida
1Department of Vascular Surgery, Shinsuma General Hospital, Hyogo, Japan. ytsuji812@gmail.com
Annals of Vascular Surgery
|May 31, 2011
Summary
Stent fracture in the femoropopliteal artery can lead to pseudoaneurysm. This case highlights successful reconstruction of a popliteal artery pseudoaneurysm caused by a fractured nitinol stent using a vein graft.
Area of Science:
- Vascular surgery
- Interventional cardiology
- Biomedical engineering
Background:
- Stent fracture and pseudoaneurysm formation in the femoropopliteal artery are rare complications.
- Nitinol stents are commonly used for femoropopliteal artery revascularization.
Observation:
- A 72-year-old man presented with a fractured self-expanding nitinol stent.
- Pseudoaneurysm formation was identified in the suprageniculate popliteal artery.
Findings:
- The fractured nitinol stent was the cause of the pseudoaneurysm.
- Successful reconstruction was achieved using a small saphenous vein graft interposition.
Implications:
- This case underscores the importance of recognizing stent fracture as a cause of pseudoaneurysm in the popliteal artery.
- Vein graft interposition is a viable option for managing such complex vascular injuries.
- Further research into stent design and deployment techniques may help prevent femoropopliteal stent fractures.
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