Duration of treatment with phlebotonics in patients with chronic venous disease

Kalinin R.E., Suchkov I.A., Kamaev A.A., Mzhavanadze N.D.

Department of Cardiovascular, Roentgenendovascular, Operative Surgery and Topographic Anatomy, I.P. Pavlov Ryazan State Medical University, Ryazan, Russia

Lower extremity chronic venous disease is a highly prevalent vascular pathology. Progression of the disease exerts a negative impact on the patients’ quality of life and imposes a large economic burden on the healthcare systems. Conventional methods of conservative treatment of chronic venous disease include wearing compression knitwear and pharmacological therapy. Although highly effective, compression therapy appears to be associated with lower compliance due to difficulties putting on and taking off the compression stockings. Therefore, the majority of patients prefer pharmacological therapy with phlebotonic drugs. There are many phlebotropic agents possessing particular indications and recommendations regarding the duration of administration.

This article presents a review of the available literature addressing the problems related to prescription of pharmacotherapy to patients with lower limb chronic venous disease, also describing the results of published clinical studies evaluating efficacy and safety of phlebotropic drugs, as well as those concerning the duration of the course administration of drugs depending on the severity of the disease, invasive nature of a surgical intervention performed, or sclerotherapy. Besides, analysed is the role of phleboactive agents in correction of pathophysiological mechanisms of the development and progression of venous disease. This is followed by a review of clinical trials studying the influence of phlebotonics on such links of pathogenesis as leukocyte activation, vein-specific inflammation, endothelial dysfunction, and activation of proteolytic enzymes promoting destruction of the extracellular matrix.

Based on the above data, proposed herein are appropriate approaches to determining the duration of the courses of phlebotropic therapy with due regard for the patients’ status, underlying once again the importance and necessity of a personalized approach to selection of the optimal duration of venotonic therapy.

KEY WORDS: phlebotropic therapy, endothelial dysfunction, vein-specific inflammation, micronized purified flavonoid fraction, venotonics.

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