Relationship of erythrocyte adrenoreactivity with their quantitative and qualitative characteristics as a method for assessing the rheological properties of blood in athletes

A. Dautova, E. Isaeva, V. Shamratova
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引用次数: 1

Abstract

Objective of the study: prediction of the rheological properties of blood in young men with different levels of motor activity (MA) by assessing the relationship between the adrenergic reactivity of erythrocytes (ARE) with their quantitative and qualitative parameters.Materials and methods: the study involved young men with a low (41 people) and a high level of physical activity (athletes — 20 people), aged 21–23 years. In all subjects, the total, individual characteristics of erythrocytes and ARE were determined. ERS was assessed by the change in the erythrocyte sedimentation rate (ESR) under the influence of adrenaline in vitro at final concentrations of 10–5; 10–6; 10–7; 10–8; 10–9; 10–11; 10–13 g/ml venous blood. According to the nature of the observed effect, in accordance with the direction of ESR shifts, 3 types of ARE were distinguished: increased ESR in the presence of adrenaline — aggregative (Ar, type 1); no changes — areactive (Ap, type 2); decreased ESR — antiaggregatory (AnAg, type 3).Results: in athletes, inverse correlations of the ARE types were established when exposed to stress concentrations of adrenaline (SCA) (above 10–8 g/ml) with the hemoglobin level (r = –0.59, p = 0.008), the average hemoglobin content in the erythrocyte (r = –0.55, p = 0.016), when exposed to physiological concentrations of adrenaline (PCA) (10–9 g/ml and below) — with the corpuscular volume of erythrocytes (r = –0.51, p = 0.029). In young men with a low level of MA, an inverse correlation was found between the minimum ARE values and the number of erythrocytes (r = –0.36, p = 0.01), and the maximum — with the average concentration of hemoglobin in the cell (r = 0.54, p = 0.04).Conclusion: in young men leading a sedentary lifestyle, the tendency of erythrocytes to aggregate under the influence of adrenaline increases with an increase in their number and intracellular viscosity. In athletes, the predominance of the antiaggregatory type of ARE, and, consequently, more stable rheological properties of erythrocytes and an improvement in microcirculation, are facilitated by a decrease in the size of erythrocytes and an average saturation of cells with hemoglobin.
红细胞肾上腺反应性与其定量和定性特征的关系,作为评估运动员血液流变学特性的方法
研究目的:通过评价红细胞肾上腺素能反应性(ARE)与其定量和定性参数之间的关系,预测不同运动活动水平(MA)青年男性血液流变学特性。材料和方法:该研究涉及年龄在21-23岁之间的体力活动水平低(41人)和高(运动员- 20人)的年轻男性。在所有受试者中,测定红细胞和ARE的总体、个体特征。在体外终浓度为10-5的肾上腺素影响下,通过红细胞沉降率(ESR)的变化来评估ERS;10 - 6;10 - 7,结果可达;- 9;年级;静脉血10-13 g/ml。根据观察效果的性质,根据ESR移位的方向,可将ARE区分为3种类型:肾上腺素聚集时ESR升高(Ar, 1型);无变化-反应活性(Ap, 2型);结果:在运动员中,暴露于应激性肾上腺素浓度(SCA)(高于10-8 g/ml)与血红蛋白水平(r = - 0.59, p = 0.008)、红细胞平均血红蛋白含量(r = - 0.55, p = 0.016)、暴露于生理肾上腺素浓度(PCA) (10-9 g/ml及以下)与红细胞体积(r = - 0.51, p = 0.029)的ARE型呈负相关。在MA水平低的年轻男性中,最小ARE值与红细胞数量呈负相关(r = - 0.36, p = 0.01),最大值与细胞中血红蛋白的平均浓度呈负相关(r = 0.54, p = 0.04)。结论:在久坐不动的年轻男性中,红细胞在肾上腺素影响下的聚集倾向随着红细胞数量和细胞内黏度的增加而增加。在运动员中,抗聚集型ARE的优势,以及红细胞更稳定的流变特性和微循环的改善,是由红细胞大小的减小和血红蛋白细胞的平均饱和所促进的。
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