医学生瞳孔大小与心率变异参数之间的相关性

Arun Kumar Mohan, Gopi Kumar Shivaramaiah, Neelam Dwivedi, Ayaz Siddiqui
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摘要

自律神经系统控制并平衡交感神经和副交感神经系统,在无意识控制的情况下维持体内平衡。交感神经系统控制瞳孔放大或瞳孔散大。心率变异(HRV)分析是评估自律神经系统功能的常用无创工具。医学生处于持续的认知负荷下,因此需要在教育阶段跟踪他们的自律神经控制状况。本研究旨在观察瞳孔大小与心率之间的相关性。共有 30 名学生参加了这项研究,研究人员对他们进行了人体测量,并记录了脉搏、血压等生命体征。使用瞳孔计在照明下测量参与者的瞳孔大小。心率变异记录是通过放置标准二导联心电图电极完成的。心率变异报告使用 Kubios HRV 3.5 标准版软件生成。左右瞳孔大小与 SDNN、RMSSD、PNN50、HF、SDI 和 SD2 呈负相关。然而,LF、LF/HF 和 SD2/SD1 比值呈正相关。这些发现支持了瞳孔大小可作为自律神经系统活动的非侵入性指标这一观点。
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Correlation between pupillary size and heart rate variability parameters among medical students
Autonomic nervous system controls and balances sympathetic and parasympathetic system to maintain homeostasis without conscious control. The sympathetic nervous system controls the dilation of the pupil or mydriasis. HR variation (HRV) analysis is a popular non-invasive tool for assessing functions of autonomic nervous system. Medical students are under constant cognitive load, it is required to follow-up on status on their autonomic control during their education phase. The objective of this study was to observe any correlation between pupillary size and heart rate.Total of 30 students participated in the study. Anthropometric measurements and vitals like pulse, blood pressure was recorded. Pupillary size of the participants was measured using the pupillometer in the illuminated. HRV recording was done by placing electrodes for standard Lead II ECG. HRV reports were generated using Kubios HRV 3.5 software standard version. The pupillary size Right and Left are negatively correlated with the SDNN, RMSSD, PNN50, HF, SDI and SD2. However, LF, LF/HF and SD2/SD1 ratio are positively correlated. These findings support the notion that pupillary size can serve as a non-invasive indicator of autonomic nervous system activity.
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