Postmastectomy syndrome (PMS) is a complex neurovascular set of symptoms that develops in most patients after breast cancer (BC) treatment and significantly reduces the quality of life. One of the potential mechanisms of its occurrence is considered to be an endothelial dysfunction. The possible method of reducing manifestation of endothelial dysfunction is systematic aerobic dynamic training. OBJECTIVE: To evaluate the influence of 12-week aerobic dynamic training program of moderate intensity on the endothelial dysfunction laboratory markers and life quality in patients with PMS. MATERIAL AND METHODS: Single-center prospective randomized trial included 40 patients with PMS divided into study (20 patients) and comparative (20 patients) groups, as well as 20 healthy female volunteers. The expression level of soluble intercellular adhesion molecule-1 (ICAM-1) and platelet endothelial cell adhesion molecule-1 (PECAM-1) were evaluated in all participants at baseline by enzyme-linked immunosorbent assay method, and additionally psychological and physical component of health by SF-36 questionnaire were assessed in patients with PMS. Patients of study group received a course of 12-week partially controlled aerobic dynamic training of moderate intensity lasting 45 minutes with frequency equal 5 times per week. Patients with PMS were re-evaluated for ICAM-1 and PECAM-1, as well as for life quality. RESULTS: The group of patients with PMS after BC treatment had increased level of ICAM-1 in long-term period, that may indicate endothelial dysfunction. Statistically significant decrease of endothelial dysfunction laboratory markers was revealed in patients with PMS, who underwent the course of cardiorespiratory training. In the same time, the dynamics of changes in ICAM-1 was higher in the study group than in comparative group. Further, improvement of physical and psychological components of health by SF-36 questionnaire was found. CONCLUSIONS: The program of cardiorespiratory trainings of moderate intensity in patients, who had BC treatment a year ago, decreases intercellular adhesion molecules level that may show an improvement of endothelial dysfunction.

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