The effect of intermittent normobaric hypoxia (INH) of sanogenic level on the state of the cardiovascular system in 120 children aged from 12 to 17 years was studied. Children were divided into 3 groups. The 1st control group consisted of 20 persons (practically healthy ones), the 2nd group, a group of comparison, included 50 persons, and there were 50 persons in the 3rd group - a main group. Examined patients of two studied groups received the standard therapy, and those of the 3rd group - the seances of intermittent, normobaric hypoxia additionally to standard therapy. Systolic arterial pressure was significantly decreased in the rest from 108,2±1,9 to 103,8±1,1 mm Hg in children of the main group. Comparing the heart rate, systolic arterial pressure and diastolic arterial pressure their statistically decreased values by 9,3 min(-1), 8,36 and 7,84 mm Hg were revealed at 10 minutes of orthostatic, respectively. Autonomic supplying the activity of cardiovascular system with normal type of reaction was 34 % higher than that of the comparison group. It indicates an the improvement in hemodynamics and an increase in adaptation capabilities of the autonomic nervous system.
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