在健康男性和女性中,长期暴露于空气污染是否会抑制增加锻炼后的副交感神经再激活?

IF 2 4区 医学 Q4 TOXICOLOGY Inhalation Toxicology Pub Date : 2023-01-01 DOI:10.1080/08958378.2022.2149905
Sara Pouriamehr, Valiollah Dabidi Roshan, Farimah Shirani
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引用次数: 1

摘要

目的:作为工业过程的后果,空气污染导致心血管疾病增加,从而导致死亡。然而,很少有证据表明在这种环境中身体健康和性别影响。关于长期暴露于空气污染,本研究旨在确定身体健康对健康男性和女性运动后心脏副交感神经再激活的影响。方法:120例(46±5岁)参与者分为两组(n = 60;例如,CG);(1)实验组包括生活在空气污染环境中的个体;(2)对照组为空气清洁地区的市民;两个身体健康状况亚组(n = 30;活跃与久坐)不分性别。在进行增量运动后,心率(HR)在不同时间的变化,并计算T30作为心脏副交感神经再激活的指标。结论:根据我们的研究结果,尽管身体健康改变了长期暴露于空气污染对运动后心脏-副交感神经再激活的不利影响,但它似乎与体温调节和血管系统的急性/中期恢复平行,在两性中,它并没有阻止它们。
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Does long-term exposure to air pollution suppress parasympathetic reactivation after incremental exercise among healthy males and females?

Purpose: As consequences of industrial processes, air pollution has led to increased cardiovascular diseases resulting in mortality. However, there are few pieces of evidence expressing physical fitness and gender impacts in such environments. Regarding long-term exposure to air pollution, this study aimed to determine the effect of physical fitness on post-exercise cardiac parasympathetic reactivation among healthy males and females.

Methods: 120 individuals (46 ± 5 years) participated and were categorized into two main groups (n = 60; EG, CG); (1) The experimental group included individuals living in an air-polluted environment; (2) The control group included the citizens of a clean air region; and two physical fitness status subgroups (n = 30; active vs. sedentary) across both sexes. The heart rate (HR) changes at different timing after performing an incremental exercise, and T30 were calculated as metrics of cardiac parasympathetic reactivation.

Results: The heart rate recovery values were substantially lower in EG in comparison to CG (p < 0.001) at different timing, while, T30 was significantly greater in residents of the air-polluted city compared to CG (p < 0.001). As for heart rate recovery at the 5th minute, the values were significantly lower in the steady-female group in comparison to the active females living in the air-polluted city (p < 0.01).

Conclusion: Based on our findings, although physical fitness modifies the adverse impacts of long-term exposure to air pollution on post-exercise cardio-parasympathetic reactivation, it appears to parallel the acute/intermediate recovery of the thermoregulatory and vascular systems, among both sexes, it does not prevent them.

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来源期刊
Inhalation Toxicology
Inhalation Toxicology 医学-毒理学
CiteScore
4.10
自引率
4.80%
发文量
38
审稿时长
6-12 weeks
期刊介绍: Inhalation Toxicology is a peer-reviewed publication providing a key forum for the latest accomplishments and advancements in concepts, approaches, and procedures presently being used to evaluate the health risk associated with airborne chemicals. The journal publishes original research, reviews, symposia, and workshop topics involving the respiratory system’s functions in health and disease, the pathogenesis and mechanism of injury, the extrapolation of animal data to humans, the effects of inhaled substances on extra-pulmonary systems, as well as reliable and innovative models for predicting human disease.
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