激光多普勒血流法测定学生微循环系统各项指标的年龄动态

Оksana Gorna, D. Horban
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摘要

本文致力于研究健康个体在个体发育不同阶段的血液微循环问题。这项研究的目的是调查17-21岁学生皮肤血液流动的特点。研究的材料和方法。为了研究血液微循环的功能状态,采用激光多普勒血流仪(LDF)。结果。对17 ~ 21岁受试者组织血流的年龄动态测定表明,受试者的微循环参数从17岁时的最小值增加到21岁时的最大值。在女性受试者中,17岁时微循环参数值高于男性受试者,而女孩的最大灌注值为19岁,男性受试者为20岁。对调节装置的评估表明,女性的低频振荡幅度值在19岁时下降,男性在20岁时下降。血管舒缩振荡的最大振幅指数在男孩和女孩19岁时均有记录。在高频率范围内血管舒缩振荡的振幅在女孩和男孩中都是不同的。在青少年中确定了三种类型的ldf图:非周期ldf图,对应于正常微循环型;单调低幅ldf图,对应于低血凝型微循环;正弦ldf图,对应于充血型微循环。结论。正如许多研究表明的那样,男性和女性受试者的血液微循环指数值的异时性仍然存在:在一个年龄段,女性的指数较高,而在另一个年龄段,即青少年。这一事实反映了雌雄生物成熟不同的一般生物学规律
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Age dynamics of indicators of the microcirculation system in students according to laser dopler flowmetry
The article is devoted to the problem of studying blood microcirculation in healthy individuals at different stages of ontogenesis. The aim of the study was to investigate the peculiarities of the skin blood flow in students aged 17-21. Materials and ways of the research. In order to study the functional state of blood microcirculation the method of laser Doppler flowmetry (LDF) was used. Results. Determination of the age dynamics of the tissue blood flow in subjects aged 17-21 years showed that the parameter of microcirculation in the subjects increased from minimal values at 17 years to maximal values at 21 years. In the female subjects, the value of the microcirculation parameter was higher at 17 years than in the male subjects, while the maximum perfusion value for girls was at 19 years and at 20 years in the male subjects. Assessment of the regulatory devices showed that the amplitude value of low-frequency oscillations in females fell at the age of 19 years and in males at 20 years. The maximal amplitude index of vasomotor oscillations was registered at the age of 19 years both for boys and girls. The amplitude of vasomotor oscillations in the high-frequency range varied in both girls and boys. Three types of LDF-grams were identified among the young adolescents: aperiodic LDF-grams, which correspond to normoemic type of microcirculation, monotonous low amplitude LDF-grams, which correspond to hypooemic type of microcirculation, sinusoidal LDF-grams, which correspond to hyperemic type of microcirculation. Conclusions. As many studies have shown, the heterochronicity of values of blood microcirculation indices is preserved in male and female subjects: in one age section the indices are higher in females, in the other one – in adolescents. This fact reflects the general biological regularity of different maturation of male and female organisms
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