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J Cardiovasc Surg (Torino). 1995 Aug;36(4):369-74.

Fibrinolysis and hemorheology in chronic venous insufficiency: a double blind study of troxerutin efficiency.

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Laboratoire d'Hématologie, Université de Bordeaux II, Pessac, France.


Abnormal increase of erythrocyte aggregation and reduction of profibrinolytic activity are the two most frequent biological perturbations found in chronic venous insufficiency (CVI). A randomised, controlled, double blind trial was undertaken on 85 patients suffering from grade 1 and 2 CVI, to compare troxerutin with placebo. Two types of biological parameters were measured after 15 days of treatment. Erythrocyte aggregation as evaluated with a Myrenne erythroaggregometer by the indices M (stasis) and M1 (3s-1) progressed favorably in the troxerutin group. The values of M1 at D15 (p < 0.05), and the progression of M (p < 0.001) and M1 (p < 0.01) from D0 to D15, are significantly better in the troxerutin group. Progression of fibrinolytic activity at rest was not significantly different between the 2 groups. Conversely, the progression from D0 to D15 of the values after occlusion of euglobulin lysis time (p < 0.01), tPA (p < 0.01), and PAI activity (p < 0.05) are significantly better in the troxerutin group. The fibrinolysis capacity estimated by euglobulin lysis time (p < 0.01) and tPA (p < 0.05) also progressed favorably in the troxerutin group. These results confirm the anti-erythrocyte aggregation effect of troxerutin, and suggest a favorable effect on blood fibrinolytic activity. They could explain the positive action of this drug on stasis, capillary perfusion and trophic complications of CVL.

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