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The purpose of our research was the evaluation of cerebral venous blood circulation at hypertensive patients. 72 patients with an essential hypertension of I–II stage, 42 men and 30 women, aged between 28–60 years, were followed-up in the study. MR-venography of a brain was performed to all of the patients. At 43 (60%) patients the structural abnormalities of cerebral venous blood circulation were revealed. At 57 (79.2%) patients asymmetry of the main venous collectors was found: at 37 (51.3%) patients the right veins and sinuses were mainly enlarged, and at 20 (27.7%) ones – the left. 4 (5.5%) patients had an easy asymmetry, 14 (19.4%) – an obvious asymmetry. The expressed asymmetry was found at 29 patients (40.3%). At 10 (14%) patients the asymmetry was marked. Thus, the majority of hypertensive patients have structural signs of cerebral venous blood circulation disturbances, expressed in an asymmetry of the main venous collectors and an expansion of superficial cerebral veins.
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