Abstract
Purpose: The purpose of this study was to determine the effects of a micronized purified flavonoid fraction treatment on surface expression of leukocyte adhesion molecules in chronic venous disease (CVD).Methods: Twenty patients with chronic venous disease were assessed with the use of clinical and Duplex scanning criteria. Consenting patients were treated for 60 days with a micronized purified flavonoid fraction treatment (500 mg twice daily). Blood was collected from a foot vein immediately before the start of treatment and within 1 week after the treatment was stopped. Neutrophil and monocyte surface adhesion molecule expression was determined by flow cytometry using the monoclonal antibodies to CD11b and CD62L.Results: Neutrophil CD11b (248:212), monocyte CDIIB (204:190), neutrophil CD62L (130:97 [P = .002]), and monocyte CD62L (170:121 [P = .03]) were determined, respectively, before and after treatment. All values are arbitrary units and represent median values.Conclusion: Micronized purified flavonoid fraction treatment for 60 days seems to decrease the surface expression of CD62L by neutrophils and by monocytes. The clinical significance of this finding needs to be explored further. It is feasible to use changes in the levels of these molecules as a marker for response to therapy in chronic venous disease.
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