Effect Of Adaptation Duration To Environmental Conditions Of The North On Morphofunctional Restructuring Of Capillary Blood Flow

IF 0.2 Q4 MEDICINE, GENERAL & INTERNAL
I. Averyanova, S. Vdovenko
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引用次数: 0

Abstract

Background — We studied blood microcirculation and features of capillary morphology in young men with various duration of adaptation to the environmental conditions of Northeast Russia (Magadan Oblast). Methods — We examined 211 young men 17-21 years of age who were permanent residents of the North. All study subjects were divided among four groups: Caucasian migrants from central Russia (generation 0) and those born and residing in the North, representing generations 1, 2, and 3. We investigated capillary structure and microcirculation in the eponychium of the nail bed, using a computer-based video capillaroscope, Capillaroscan-1. Results — We detected the diameter reduction in arterial and intermediate capillary segments with simultaneous absence of a similar pattern in the venous capillary segment along the gradient of generation 0 towards generation 3. We also observed a shorter mean capillary length against the background of a thicker capillary network. Conclusion — With a longer adaptation period to the environmental conditions of Northeast Russia, compensatory adaptive mechanisms in the capillary network structure and microcirculation are formed, aimed at optimizing capillary blood flow.
北方环境适应期对毛细血管血流形态功能重建的影响
背景-我们研究了俄罗斯东北部(马加丹州)适应环境条件不同时间的年轻男性的血液微循环和毛细血管形态特征。方法:我们调查了211名17-21岁的北方常住青年男性。所有研究对象被分为四组:来自俄罗斯中部的高加索移民(第0代)和出生并居住在北方的移民(代表第1、2和3代)。我们使用基于计算机的视频毛细血管镜Capillaroscan-1研究了甲床后掌部的毛细血管结构和微循环。结果-我们检测到动脉和中间毛细血管段的直径减小,同时沿着第0代到第3代的梯度在静脉毛细血管段中没有类似的模式。我们还观察到在毛细血管网络较厚的背景下,平均毛细血管长度较短。结论-俄罗斯东北地区对环境条件的适应周期较长,在毛细血管网络结构和微循环方面形成了代偿性适应机制,旨在优化毛细血管血流。
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来源期刊
Russian Open Medical Journal
Russian Open Medical Journal MEDICINE, GENERAL & INTERNAL-
CiteScore
0.90
自引率
0.00%
发文量
39
期刊介绍: Russian Open Medical Journal (RusOMJ) (ISSN 2304-3415) is an international peer reviewed open access e-journal. The website is updated quarterly with the RusOMJ’s latest original research, clinical studies, case reports, reviews, news, and comment articles. This Journal devoted to all field of medicine. All the RusOMJ’s articles are published in full on www.romj.org with open access and no limits on word counts. Our mission is to lead the debate on health and to engage, inform, and stimulate doctors, researchers, and other health professionals in ways that will improve outcomes for patients. The RusOMJ team is based mainly in Saratov (Russia), although we also have editors elsewhere in Russian and in other countries.
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