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Experience with 350 crural arterial reconstructions: analysis and conclusions
The Thoracic and Cardiovascular Surgeon
|June 1, 1985
Summary
Autologous vein bypasses offer the best outcomes for distal arterial reconstructions, outperforming prosthetic materials. Optimizing outflow and graft placement significantly improves long-term success rates.
Area of Science:
- Vascular Surgery
- Reconstructive Surgery
- Arterial Interventions
Background:
- Distal arterial reconstructions present unique challenges including small vessel diameters, compromised wound healing due to ischemia, and poor outflow.
- These factors increase the risk of reocclusion in femoro-crural grafts due to reduced blood flow velocity.
Purpose of the Study:
- To retrospectively investigate factors influencing long-term results of distal arterial reconstructions.
- To compare the efficacy of different bypass materials and surgical techniques.
Main Methods:
- Clinical and angiographic follow-up studies were conducted.
- Retrospective analysis of factors including bypass material, outflow conditions, distal insertion technique, and graft location.
Main Results:
- Autologous vein grafts demonstrated superior long-term patency compared to prosthetic materials.
- Umbilical vein grafts showed moderate success.
- Arteriovenous fistulae (AV-fistulae) effectively reduced peripheral outflow resistance.
Conclusions:
- Autologous vein is the preferred material for distal arterial bypass, with umbilical vein as a secondary option.
- Prosthetic materials are less favorable.
- Optimizing outflow resistance with AV-fistulae, employing specific anastomosis techniques for shorter grafts, and achieving orthotopic graft placement are crucial for best long-term outcomes.