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Preliminary experience with patch-enlarged brachial artery for hemodialysis access
Jih-Chung Chiang1, Lean-San Teh, Hurng-Sheng Wu
1Cardiovascular Surgery Department, Show Chwan Memorial Hospital, Changhua, Taiwan, ROC.
ASAIO Journal (American Society for Artificial Internal Organs : 1992)
|September 22, 2007
Summary
Patch-enlarged brachial arteries using polytetrafluoroethylene (PTFE) grafts offer durable, long-term hemodialysis access for blood drawing. This technique provides a viable option for patients with central vein issues or other comorbidities.
Area of Science:
- Vascular Surgery
- Nephrology
- Medical Devices
Background:
- Long-term hemodialysis access is crucial for patients with end-stage renal disease.
- Central vein stenosis or occlusion presents challenges for traditional vascular access.
- Alternative access methods are needed for patients with complex medical conditions.
Purpose of the Study:
- To evaluate the long-term patency and efficacy of patch-enlarged brachial arteries using polytetrafluoroethylene (PTFE) grafts for hemodialysis access.
- To assess the feasibility of this novel approach as a blood-drawing port.
- To identify patient populations who may benefit most from this technique.
Main Methods:
- Retrospective evaluation of 12 brachial arteries patched with PTFE grafts to create capsule-shaped aneurysms.
- Patients (n=10) underwent the procedure between September 2001 and April 2002.
- Patency rates were assessed based on usage as blood-drawing ports and, in two cases, as infusion access.
Main Results:
- The 1-year primary patency rate for blood-drawing access was 90%.
- Patency remained at 70% at both 2 and 3 years.
- Access for blood infusion clotted within 1 year in both cases, though vessel continuity was maintained.
Conclusions:
- Patch enlargement of the brachial artery with PTFE grafts is a successful method for long-term blood-drawing hemodialysis access in selected patients.
- This technique offers a valuable alternative for patients with central vein stenosis/occlusion or significant comorbidities.
- The study highlights the potential of this novel access to improve patient outcomes and quality of life.
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