Technical Innovation for Visual Assessment of Preterm Newborns in a Neonatal Intensive Care Unit: Exploratory Study.

IF 1.5 Q3 REHABILITATION

Rehabilitation Research and Practice Pub Date : 2021-01-04 eCollection Date: 2021-01-01 DOI:10.1155/2021/9837505

C A Moran, V L Alves, S A Pereira, M F Costa

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Abstract

Objective: The present study is aimed at assessing heart rate variability (HRV) and its correlation with visual acuity (VA) assessment of preterm newborns (PTNB) in neonatal intensive care units.

Method: Cross-sectional study analyzing HRV during assessment of VA with the aid of a Polar RS800CX heart rate monitor (Polar Electro Oy, Finland). HRV was analyzed according to time and frequency domains and the chaos domain used the autocorrelation coefficient and entropy. The sample consisted of hospitalized PTNB, and static analysis included simple regression diagnosis.

Results: A total of 14 PTNB were included in the sample. VA varied between 0.23 and 1.60 cpd, and only five PTNB obtained below-expected values for age. Statistical analysis demonstrated a negative correlation between VA and time domain (SDDN and SD2) and a positive correlation between frequency domain (heart rate and hertz), but in simple linear regression analysis, these variables did not influence VA.

Conclusion: The results of the study demonstrate that visual acuity was inversely correlated with SDNN and SD2 and during stimulation, showing that the higher the visual performance, the lower the autonomic modulation response.

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新生儿重症监护病房早产儿视觉评估技术创新:探索性研究。

目的:本研究旨在评估新生儿重症监护病房早产儿(PTNB)心率变异性(HRV)及其与视力(VA)评估的相关性。方法:在Polar RS800CX心率监测仪(Polar Electro, Finland)的帮助下，对VA评估时的HRV进行横断面研究。采用时域和频域分析HRV，混沌域采用自相关系数和熵。样本为住院PTNB，静态分析包括简单回归诊断。结果:共检出14个PTNB。VA在0.23 - 1.60 cpd之间变化，只有5个PTNB的年龄值低于预期。统计分析表明，VA与时域(SDDN和SD2)呈负相关，与频域(心率和赫兹)呈正相关，但在简单线性回归分析中，这些变量对VA没有影响。结论:研究结果表明，视觉灵敏度与SDNN和SD2呈负相关，并且在刺激过程中，视觉表现越高，自主神经调节反应越低。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Rehabilitation Research and Practice REHABILITATION-

CiteScore

3.80

自引率

0.00%

发文量

审稿时长

19 weeks

期刊介绍： Rehabilitation Research and Practice is a peer-reviewed, Open Access journal that publishes original research articles, review articles, and clinical studies in all areas of physical medicine and rehabilitation. The journal focuses on improving and restoring functional ability and quality of life to those with physical impairments or disabilities. In addition, articles looking at techniques to assess and study disabling conditions will be considered.