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Investigation of Changes in Retinal Detachment-Related Brain Region Activities and Functions Using the Percent Amplitude of Fluctuation Method: A Resting-State Functional Magnetic Resonance Imaging Study

Authors Yang YC, Li QY, Chen MJ, Zhang LJ, Zhang MY, Pan YC, Ge QM, Shu HY, Lin Q, Shao Y

Received 17 November 2020

Accepted for publication 14 December 2020

Published 28 January 2021 Volume 2021:17 Pages 251—260

DOI https://doi.org/10.2147/NDT.S292132

Checked for plagiarism Yes

Review by Single anonymous peer review

Peer reviewer comments 2

Editor who approved publication: Dr Yuping Ning


Yan-Chang Yang,1,* Qiu-Yu Li,2,* Min-Jie Chen,2 Li-Juan Zhang,2 Meng-Yao Zhang,1 Yi-Cong Pan,2 Qian-Min Ge,2 Hui-Ye Shu,2 Qi Lin,2 Yi Shao2

1Department of Ophthalmology, Nanchang University, Jiangxi Province Clinical Ophthalmology Institute, Nanchang 330006, Jiangxi, People’s Republic of China; 2Department of Ophthalmology, The First Affiliated Hospital of Nanchang University, Jiangxi Province Clinical Ophthalmology Institute, Nanchang 330006, Jiangxi, People’s Republic of China

*These authors contributed equally to this work

Correspondence: Yi Shao
Department of Ophthalmology, The First Affiliated Hospital of Nanchang University, Jiangxi Province Clinical Ophthalmology Institute, 17 Yongwaizheng Street, Donghu, Nanchang, Jiangxi 330006, People’s Republic of China
Email freebee99@163.com

Purpose: The percent amplitude of fluctuation (PerAF) method was used to study the changes in neural activities and functions in specific brain regions of patients with a retinal detachment (RD).
Patients and Methods: In this study, we recruited 15 RD patients (nine males and six females) and 15 healthy controls (HCs) matched for gender, age, and weight. All participants were scanned with resting functional magnetic resonance imaging (rs-fMRI). The PerAF method was then used for data analysis to evaluate and detect changes in neural activity in relevant brain regions. Receiver operating characteristic (ROC) curve analysis was used to evaluate the two groups.
Results: The PerAF signal values of the right fusiform gyrus and the left inferior temporal gyrus of RD patients were significantly higher than those of HCs. This may indicate changes in neural activity and function in the related brain regions. The anxiety and depression scores of hospital anxiety and depression scale (HADS) and the durations in RD patients were positively correlated with the PerAF values of the left inferior temporal gyrus.
Conclusion: In this study, we demonstrated that there were significant changes in the PerAF values in specific areas of the brain in patients with RD. The change of PerAF values represent the changes of BOLD signal intensity, which reflect the hyperactivity or weakening of specific brain regions in RD patients, which are helpful to predict the development and prognosis of RD patients, and play an important role in the early diagnosis of RD. In addition, according to the results, changes in neural activity in specific brain regions of RD patients increase the risk of brain dysfunction related diseases, which may help to understand the pathological mechanism of vision loss in RD patients.

Keywords: retinal detachment, the percent amplitude of fluctuation, resting-state, functional magnetic resonance imaging, hospital anxiety and depression scale

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