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Stasis and Inflammation in Varicose Vein Development: An Interleukin-Mediated Process from Intima to Media
Min Jung Ku1, Young Hee Maeng2, Jee Won Chang3
1Department of Thoracic and Cardiovascular Surgery, Asan Medical Center, Seoul, Republic of Korea.
Journal of Vascular Research
|July 21, 2024
Summary
Varicose vein development is linked to venous stasis and inflammation. Increased levels of interleukin-6 (IL-6) and transforming growth factor beta1 (TGF-β1) in veins are key indicators.
Area of Science:
- Vascular Biology
- Inflammation Research
- Medical Science
Background:
- Varicose veins are a common condition.
- Venous stasis and inflammation are implicated in their development.
Purpose of the Study:
- To investigate the combined roles of venous stasis and inflammation in varicose vein pathogenesis.
- To compare inflammatory mediator expression in varicose veins versus healthy controls.
Main Methods:
- Included patients with primary varicose veins undergoing surgery.
- Used mesenteric veins from gastric cancer specimens as controls.
- Quantified inflammatory mediators (IL-6, TGF-β1) via immunohistochemistry.
Main Results:
- Elevated expression of IL-6 (intima and media) and TGF-β1 (intima) in varicose veins compared to controls (p < 0.001).
- IL-6 in media and TGF-β1 in intima were independent predictors of varicose veins.
- 49.2% of patients exhibited edema or skin changes (CEAP classification).
Conclusions:
- Increased venous pressure (reflux) and elevated inflammatory cytokines (IL-6, TGF-β1) are associated with varicose vein development.
- These findings highlight the interplay between hemodynamics and inflammation in venous disease.
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