Clinical Observation of Macular Superficial Capillary Plexus and Ganglion Cell Complex in Patients with Parkinson's Disease.

IF 2 4区 医学 Q2 OPHTHALMOLOGY Ophthalmic Research Pub Date : 2023-01-01 Epub Date: 2023-08-10 DOI:10.1159/000533158
Ling Zhang, Chuchu Zhuang, Yining Wang, He Wang, Guiyun Cui, Jianxin Guo
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Abstract

Introduction: We investigated macular superficial capillary plexus (SCP) density and the thicknesses of the ganglion cell complex (GCC) in patients with Parkinson's disease (PD) and correlated them. We also observed the correlations between SCP density and clinical parameters of PD patients. The retina might be a novel biomarker of PD and will be useful in the future for the early diagnosis of PD and detecting disease progression.

Methods: Seventy-four participants (38 patients with PD and 36 healthy controls) were recruited at the Affiliated Hospital of Xuzhou Medical University between January 2022 and June 2022 in this study. The macular SCP densities was measured by optical coherence tomography angiography (OCTA), and the GCC thickness was measured by optical coherence tomography (OCT). The parameters were compared between PD patients and healthy controls. The correlation between SCP and clinical parameters was tested.

Results: Compared with the control group, PD patients showed reduced SCP densities in all areas of the macular region (parafovea-temporal: t = 3.053, p = 0.003; parafovea-superior: t = 3.680, p = 0.001; parafovea-nasal: t = 4.643, p < 0.001; parafovea-inferior: t = 2.254, p = 0.027; perifovea-temporal: t = 3.798, p < 0.001; perifovea-superior: t = 3.014, p = 0.004; perifovea-nasal: t = 2.948, p = 0.004; perifovea-inferior: t = 3.337, p = 0.021). The average GCC thickness in the PD patients was significantly reduced (t = 2.365, p = 0.021). There were positive correlations between the average GCC thickness and the SCP densities in most of the areas of the macular regions in PD patients (parafovea-temporal: r = 0.325, p = 0.005; parafovea-superior: r = 0.295, p = 0.011; parafovea-nasal: r = 0.335, p = 0.003; perifovea-superior: r = 0.362, p = 0.002; perifovea-nasal: r = 0.290, p = 0.012; perifovea-inferior: r = 0.333, p = 0.004). We found significant correlations between SCP densities and Hoehn and Yahr (H and Y) scales, UPDRS III scores, and MMSE scores. No significant correlation was observed between SCP density and PD disease duration (all p > 0.05).

Conclusions: We demonstrated that the macular SCP density was decreased, and the average GCC thickness was reduced in PD patients. The correlation between SCP density damage and GCC thinning also suggested that the retinal microvascular damage may be associated with retinal structural degeneration in PD patients. OCTA and OCT may be considered objective biomarkers for detecting microvascular impairment and neuronal damage in the early stages of PD in the future.

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帕金森病患者黄斑浅表毛细血管丛和神经节细胞复合体的临床观察。
引言:我们研究了帕金森病(PD)患者黄斑浅表毛细血管丛(SCP)密度和神经节细胞复合体(GCC)厚度,并将其关联起来。我们还观察了SCP密度与PD患者临床参数之间的相关性。视网膜可能是帕金森病的一种新的生物标志物,并将在未来用于帕金森病的早期诊断和检测疾病进展。方法:本研究于2022年1月至2022年6月在徐州医科大学附属医院招募了74名参与者(38名帕金森病患者和36名健康对照者)。黄斑SCP密度通过光学相干断层扫描血管造影术(OCTA)测量,GCC厚度通过光学相干层析成像(OCT)测量。将PD患者和健康对照组的参数进行比较。检测SCP与临床参数的相关性。结果:与对照组相比,PD患者黄斑各区域SCP密度降低(颞旁:t=3.053,P=0.003;上旁:t=3.680,P=0.001;鼻旁:t=4.643,P0.05),PD患者的平均神经节细胞复合体厚度减少。SCP密度损伤与GCC变薄之间的相关性也表明,PD患者的视网膜微血管损伤可能与视网膜结构变性有关。OCTA和OCT可能被认为是未来检测PD早期微血管损伤和神经元损伤的客观生物标志物。
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来源期刊
Ophthalmic Research
Ophthalmic Research 医学-眼科学
CiteScore
3.80
自引率
4.80%
发文量
75
审稿时长
6-12 weeks
期刊介绍: ''Ophthalmic Research'' features original papers and reviews reporting on translational and clinical studies. Authors from throughout the world cover research topics on every field in connection with physical, physiologic, pharmacological, biochemical and molecular biological aspects of ophthalmology. This journal also aims to provide a record of international clinical research for both researchers and clinicians in ophthalmology. Finally, the transfer of information from fundamental research to clinical research and clinical practice is particularly welcome.
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