不同血压水平个体的心血管系统对冷应激的反应

Q4 Medicine

Problems of Cryobiology and Cryomedicine Pub Date : 2022-06-30 DOI:10.15407/cryo32.02.134

S. Vadziuk, P. Tabas, Vitaliy Kulchytskyi, Ihor Pankiv

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引用次数: 0

摘要

这项研究确定了不同血压水平的人对冷刺激的中枢和外周环节反应的特点。对冷加压试验前后的血压、心率、流变学指标和心律学动态进行评价。在初始血压正常高（130/85–139/89 mm Hg）的人群中，冷加压试验后收缩压和舒张压的升高幅度明显更高（p<0.05）。在检查过程中，发现高反应性血压反应者的百分比更高（25%）。在初始血压>130/85毫米汞柱的实验参与者中，观察到交感神经系统对心血管系统中枢和外周环节的显著影响，以应对冷应激。血压正常（120/80–129/84 mm Hg）和正常低（110/70-120/80 mm Hg）的个体显示出心血管系统对冷应激的满意反应，因此他们在低环境温度下工作时应该预期健康风险较小。

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Cardiovascular System Response to Cold Stress in Individuals with Different Levels of Blood Pressure

The study determines the peculiarities of the response of the central and peripheral links of to a cold stimulus in people with different levels of blood pressure (BP). The dynamics of blood pressure, heart rate, rheographic index and cardiorhythmography before and after the cold pressor test were evaluated. A significantly higher increase in systolic and diastolic BP in response to the cold pressor test was found in the persons with a normal high level of initial blood pressure (130/85–139/89 mm Hg) (p < 0.05). During the examination, a higher percentage of those with a hyperreactive blood pressure response was found (25%). In the experiment participants with initial blood pressure > 130/85 mm Hg a significant influence of the sympathetic nervous system on the cardiovascular system central and peripheral links in response to cold stress was observed. The individuals with normal (120/80– 129/84 mm Hg) and normal low (110/70-120/80 mm Hg) blood pressure showed a satisfactory response of the cardiovascular system to cold stress, so they should expect less health risks when working at low ambient temperatures.

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来源期刊

Problems of Cryobiology and Cryomedicine Medicine-Medicine (miscellaneous)

CiteScore

0.60

自引率

0.00%

发文量

期刊介绍： The Journal publishes the reviews and original papers on cryobiological and cryomedical research, in particular the elucidation of mechanisms of injuries occurring in biological objects and caused by the influence of low and ultra low temperatures; natural resistance of biologicals to cold and their recovery post effect; the development of effective methods of cryoprotection and technology of storage of biological resources under hypothermic and ultra low temperatures, application of hypothermia, cryotherapy and cryopreserved biologicals for treating various pathologies; cell and tissue based therapies and other issues of low-temperature biology and medicine, as well as development of devices and equipment for low temperature biology and medicine. The journal covers all topics related to low temperature biology, medicine and engineering. These include but are not limited to: low temperature storage of biologicals (human, animal or plant cells, tissues, and organs), including preparation for storage, thawing/warming, cell and tissue culturing etc. response of biologicals to low temperature; cold adaptation of animals and plants; utilisation of low temperature in medicine; experimental and clinical transplantation, cell and tissue based therapies; developing of cryobiological and cryomedical devices; organisation and functioning of low temperature banks etc.