Umbilical vein graft for lower limb ischaemia

Area of Science:

• Vascular Surgery
• Biomaterials in Medicine

Background:

• Severe lower limb ischemia poses significant risks, often necessitating advanced surgical interventions.
• Human umbilical vein grafts (HUVS) offer a potential solution for revascularization in critical limb ischemia.

Purpose of the Study:

• To evaluate the efficacy and outcomes of human umbilical vein grafts (HUVS) in patients with severe lower limb ischemia.
• To identify factors contributing to graft failure and assess the learning curve associated with HUVS implantation.

Main Methods:

• A prospective study involving 30 patients with severe lower limb ischemia who underwent HUVS implantation (Meadox Medical) over two years.
• Clinical outcomes, including graft patency, perioperative mortality, and long-term survival, were monitored.

Main Results:

• No perioperative deaths were recorded. Six patients died postoperatively due to underlying atherosclerosis.
• The cumulative one-year graft patency rate was 70%.
• Five patients experienced immediate graft failure, necessitating amputation, attributed to suboptimal case selection and initial technical challenges.

Conclusions:

• HUVS implantation can be a viable option for severe lower limb ischemia, but careful patient selection is crucial.
• Early graft failures highlight the importance of surgical experience and appropriate case selection in achieving successful outcomes with HUVS.