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Microcirculatory aspects of venous ulceration
C M Butler1, P D Coleridge Smith
1Department of Surgery, University College London Medical School, Middlesex Hospital, United Kingdom.
The Journal of Dermatologic Surgery and Oncology
|July 1, 1994
Summary
Venous ulceration involves inflammation, with white blood cell activation observed during experimental venous hypertension. Further research is needed to fully understand the precise mechanisms causing venous ulcers.
Area of Science:
- Vascular Biology
- Dermatology
- Inflammation Research
Background:
- Literature search from 1983 onwards, including unpublished data from The Middlesex Hospital Vascular Laboratory.
- Selected original scientific articles focusing on mechanisms of venous ulceration and microcirculation.
- Investigated the link between venous disease and microcirculatory events.
Purpose of the Study:
- To review recently proposed mechanisms explaining the pathogenesis of venous ulceration.
- To synthesize current understanding of inflammatory processes in venous disease.
Main Methods:
- Literature review of scientific articles.
- Analysis of data on plasma neutrophil elastase and lactoferrin.
- Experimental induction of venous hypertension in volunteers using tourniquets or prolonged standing.
Main Results:
- Systemic inflammatory response indicated by elevated plasma neutrophil elastase and lactoferrin in venous disease.
- White blood cell activation observed in healthy volunteers after 30 minutes of experimental venous hypertension.
- Venous hypertension induced by tourniquets or sustained standing triggers white cell activation.
Conclusions:
- Inflammatory mechanisms are significantly involved in the pathogenesis of venous disease.
- The precise mechanisms leading to venous ulceration require further elucidation.
- Understanding white blood cell activation in venous hypertension is crucial.