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Percutaneous transluminal angioplasty of crural arteries
W Horvath1, M Oertl, D Haidinger
1Department of Radiology, Krankenhaus der Barmherzigen Brueder, Linz, Austria.
Insights
Percutaneous transluminal angioplasty (PTA) is a safe and effective treatment for stenosed crural arteries, achieving high success rates. The study suggests expanding PTA indications to include Fontaine stage IIb disease for improved patient outcomes.
Area of Science:
- Vascular Surgery
- Interventional Cardiology
- Endovascular Therapy
Background:
- Crural artery stenosis significantly impacts patient mobility and quality of life.
- Current treatment guidelines for percutaneous transluminal angioplasty (PTA) primarily focus on advanced disease stages (Fontaine III-IV).
Purpose of the Study:
- To evaluate the safety and efficacy of PTA in treating stenosed crural arteries.
- To explore the potential for expanding PTA indications to earlier disease stages (Fontaine IIb).
Main Methods:
- Retrospective analysis of 103 crural artery dilations in 71 patients.
- Primary success defined as residual stenosis <30% post-procedure.
- Assessment of procedural complications and their management.
Main Results:
- High primary success rate of 96% in achieving residual stenosis <30%.
- Low complication rate, with manageable events including vessel rupture, intimal flap, and hematoma.
- Modern endovascular materials contribute to the safety of the procedure.
Conclusions:
- PTA is a safe and effective treatment for crural artery stenosis.
- The study supports expanding PTA indications to Fontaine stage IIb, particularly when improving outflow after proximal procedures.
- Further research into earlier intervention may enhance outcomes for peripheral artery disease patients.
Abstract:
The authors dilated 103 stenosed crural arteries in 71 patients. Primary success was defined as traversing and reducing the lesion to a residual stenosis of less than 30%. This was achieved in 96% of cases. Complications included one vessel rupture and one occluding intimal flap, which were treated by the vascular surgeon with bypass and venous patch, respectively. One hematoma at the puncture site was treated surgically because of its size. With modern materials such as steerable guide wires and low-profile balloon catheters, dilation of crural arteries has become safe. Until now, the indications for percutaneous transluminal angioplasty (PTA) of crural arteries have been limited to Fontaine stages III and IV disease. The authors believe that the indications for PTA in Fontaine stage IIb disease are justified, especially if intervention improves outflow after a more proximal recanalizing procedure is performed.