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Updated: Jul 5, 2026

Vein Interposition Model: A Suitable Model to Study Bypass Graft Patency
Published on: January 15, 2017
Does gender influence the patency of infrainguinal bypass grafts?
Ufuk Alpagut1, Murat Ugurlucan, Maciej Banach
1Department of Cardiovascular Surgery, Istanbul University Istanbul Medical Faculty, Istanbul, Turkey.
Insights
Infrainguinal bypass grafts for peripheral artery disease show gender-based differences in outcomes. Women undergoing infrainguinal arterial reconstruction experienced worse graft patency compared to men.
Area of Science:
- Vascular Surgery
- Peripheral Artery Disease Research
- Gender-Specific Medicine
Background:
- Infrainguinal revascularization effectively treats femoropopliteal/tibial occlusive diseases.
- Bypass grafts used in these procedures are susceptible to stenosis, impacting long-term patency.
- Understanding factors influencing graft outcomes is crucial for improving patient care.
Purpose of the Study:
- To investigate the association between patient gender and the patency of infrainguinal bypass grafts.
- To compare outcomes of infrainguinal bypass surgery between male and female patients.
- To identify demographic, biochemical, and etiological factors influencing graft patency in different genders.
Main Methods:
- Retrospective study comparing outcomes of 375 male and 200 female patients.
- Analysis of infrainguinal bypass surgery for arterial occlusive disease.
- Determination of associations with patient characteristics, surgical procedures, and graft stenosis.
Main Results:
- Several demographic, biochemical, and etiological factors were found to influence bypass procedure patency differently between genders.
- Infrainguinal arterial reconstruction in women was associated with poorer outcomes compared to men.
- Graft stenosis was a key factor considered in the analysis.
Conclusions:
- Gender is a significant factor influencing the outcomes of infrainguinal bypass grafts.
- Women undergoing infrainguinal arterial reconstruction face a higher risk of adverse outcomes compared to men.
- Further research into gender-specific risk factors and tailored treatment strategies is warranted.
Abstract:
Infrainguinal revascularization is an effective method of treatment for femoropopliteal/tibial occlusive diseases. However, these bypass grafts are prone to stenosis. In this retrospective study, the authors investigate the association of gender with patency of infrainguinal bypass grafts. The outcomes for consecutive 375 male and 200 female patients who underwent infrainguinal bypass surgery for arterial occlusive disease are compared, and associations with characteristics of the patients, surgical procedure, and graft stenosis are determined. It is found that several demographic, biochemical, and etiological factors could influence the patency of bypass procedures in different genders. However, infrainguinal arterial reconstruction procedures performed in women have a worse outcome when compared with that in men.
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