消防员进行运动压力测试时自主神经功能、血液动力学和体力活动表现的相关性。

IF 1.9 4区 医学 Q2 NURSING
Biological research for nursing Pub Date : 2023-07-01 Epub Date: 2022-11-29 DOI:10.1177/10998004221143508
Dillon J Dzikowicz, Mary G Carey
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引用次数: 0

摘要

背景:自主神经功能障碍是心血管代谢疾病的重要传播因素,可通过心率变异(HRV)和心率恢复(HRR)等多种指标进行测量。心率变异和心率恢复之间的关系尚未得到充分研究,心率变异、心率恢复和其他与心脏代谢疾病相关的生理指标(如血压恢复)之间的关系也尚未得到充分研究。方法:92 名无明显心血管疾病的消防员(96% 为男性,81% 为白人)接受了连续心率(HR)和血压(BP)监测的运动测试。HRR 是最大心率与运动后 1 分钟心率之间的差值;BP 恢复(BPR)是最大 BP 与运动后 2 分钟 BP 之间的差值。之后,参与者接受了 24 小时心电图监测,以测量心率变异。计算了未调整的斯皮尔曼相关性和调整的部分斯皮尔曼相关性。组间分析还采用了 Kruskal-Wallis 检验:结果:心率变异与心率增快之间的相关性收敛性较差(RMSSD与心率增快,未调整=0.235;调整后=0.144)。SDNN 指数与副交感神经张力的关系最密切,表现为总体心率较低(未调整 = -0.600;调整后 = -0.631)。心率变异指数与运动时收缩压和舒张压反应的关联性更强(SBP 恢复指数未调整 = 0.267;调整后 = 0.297;DBP 恢复指数未调整 = -0.276;调整后 = -0.232):总体而言,虽然心率变异指标趋同并与较低的静息心率相关,但心率变异和心率恢复率的趋同性较差。有趣的是,心率变异与血液动力学指标相关,表明心率变异与最大运动量和运动恢复期间的血管功能有潜在关系。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Correlates of Autonomic Function, Hemodynamics, and Physical Activity Performance During Exercise Stress Testing Among Firefighters.

Background: Autonomic dysfunction is an important propagator of cardiometabolic disease and can be measured using multiple metrics such as heart rate variability (HRV) and heart rate recovery (HRR). The relationships between HRV and HRR have not been fully examined, nor have the relationships between HRV, HRR, and other physiological measures linked to cardiometabolic disease (e.g., blood pressure recovery). Evaluation of these additional relationships may provide new insights into the association between autonomic function and cardiometabolic disease especially among high-risk groups like firefighters.

Methods: 92 firefighters (96% male, 81% white) without overt cardiovascular disease underwent exercise testing with continuous heart rate (HR) and blood pressure (BP) monitoring. HRR was the difference between maximal HR and HR 1-minute post-exercise; BP recovery (BPR) was the difference between maximal BP and BP 2-minute post-exercise. Afterwards, participants underwent 24-hour electrocardiographic monitoring to measure HRV. Unadjusted Spearman correlations and adjusted partial Spearman correlations were computed. Between group analyses were also conducted with Kruskal-Wallis test.

Results: Associations between HRV and HRR poorly converged (RMSSD and HRR, unadjusted = 0.235; adjusted = 0.144). SDNN Index exhibited the strongest association with parasympathetic tone exhibited by overall lower HRs (unadjusted = -0.600; adjusted = -0.631). HRR demonstrated stronger associations with systolic and diastolic BP responses during exercise (SBP Recovery unadjusted = 0.267; adjusted = 0.297; DBP Recovery unadjusted = -0.276; adjusted = -0.232).

Conclusions: Overall, while HRV metrics converged and were associated with lower resting heart rates, HRV and HRR poorly converged. Interestingly, HRR was related with measures of hemodynamics indicating a potential relationship with vascular function during both maximal exercise and exercise recovery.

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来源期刊
CiteScore
5.10
自引率
4.00%
发文量
58
审稿时长
>12 weeks
期刊介绍: Biological Research For Nursing (BRN) is a peer-reviewed quarterly journal that helps nurse researchers, educators, and practitioners integrate information from many basic disciplines; biology, physiology, chemistry, health policy, business, engineering, education, communication and the social sciences into nursing research, theory and clinical practice. This journal is a member of the Committee on Publication Ethics (COPE)
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