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A Rabbit Venous Interposition Model Mimicking Revascularization Surgery using Vein Grafts to Assess Intimal Hyperplasia under Arterial Blood Pressure
Published on: May 15, 2020
Forearm arterial vein grafting: problems and alternative solutions.
A Bacakoğlu1, M H Ozkan, A Y Göktay
1Department of Orthopaedics and Traumatology, Division of Handsurgery, Dokuz Eylül University School of Medicine, Izmir, Turkey. a.bacakoglu@deu.edu.tr
The Journal of International Medical Research
|November 1, 2003
Summary
Forearm arterial reconstruction using vein grafts showed a 59% patency rate. Careful microsurgical techniques and appropriate vein selection are recommended to improve outcomes in vascular surgery.
Area of Science:
- Vascular Surgery
- Microsurgery
- Regenerative Medicine
Background:
- Forearm arterial reconstruction is crucial for limb salvage and function.
- Vein grafts are commonly used, but patency rates can vary.
- Optimizing graft patency is essential for successful surgical outcomes.
Purpose of the Study:
- To evaluate patency rates of forearm arterial reconstructions using vein grafts.
- To identify factors influencing graft patency and patient symptoms.
- To suggest improvements for enhancing patency in forearm arterial reconstruction.
Main Methods:
- Retrospective evaluation of 32 vein grafted forearm arterial reconstructions.
- Utilized saphenous and dorsal hand veins for grafting.
- Assessed patency and symptoms via clinical examination, Colour-Doppler Sonography, and angiography.
Main Results:
- Overall graft patency was 59%, with no significant difference between saphenous and dorsal hand veins.
- Abnormal flow patterns were detected in 10 patent grafts but were asymptomatic.
- Six of 13 non-patent grafts were associated with severe symptoms, often linked to nerve regeneration.
Conclusions:
- Careful microsurgical techniques, appropriate vein selection ('fit vein'), and valveless grafts are recommended to improve patency.
- Dorsal hand veins are suitable for shorter arterial defects.
- Prompt post-operative evaluation of graft patency is critical.
