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Kwapong WR, Yan Y, Cao L, Wang H, Ye C, Jiang S, Tao W, Wu B. Retinal Ischemic Perivascular Lesion Reflects Cerebral Small Vessel Disease Burden in Single Subcortical Infarction. J Am Heart Assoc 2024; 13:e033081. [PMID: 38639343 PMCID: PMC11179934 DOI: 10.1161/jaha.123.033081] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/04/2024] [Accepted: 03/27/2024] [Indexed: 04/20/2024]
Abstract
BACKGROUND Retinal ischemic perivascular lesions (RIPLs) are an indicator of ischemia in the middle retina. We aimed to determine the relationship between RIPLs and single subcortical infarction (SSI). We also investigated the differences in cerebral small vessel disease imaging burden between groups with and without RIPLs in SSI. METHODS AND RESULTS In this case-control study, we enrolled 82 patients with SSI and 72 nonstroke controls. All participants underwent magnetic resonance imaging and swept-source optical coherence tomography/optical coherence tomography angiography. Small vessel disease markers such as lacunes, cerebral microbleeds, white matter hyperintensity, and perivascular spaces were rated on brain imaging. RIPLs were assessed via swept-source optical coherence tomography. Optical coherence tomography angiography was used to measure the superficial vascular complex and deep vascular complex of the retina. After adjusting for risk factors, the presence of RIPLs was significantly associated with SSI (odds ratio [OR], 1.506 [95% CI, 1.365-1.662], P<0.001). Eyes with RIPLs showed lower deep vascular complex density (P=0.035) compared with eyes without RIPLs in patients with SSI. After adjusting for vascular risk factors, the presence of RIPLs in patients with SSI was associated with an increased periventricular white matter hyperintensity burden (β=0.414 [95% CI, 0.181-0.647], P<0.001) and perivascular spaces-basal ganglia (β=0.296 [95% CI, 0.079-0.512], P=0.008). CONCLUSIONS RIPLs are associated with SSI independent of underlying risk factors. The relationship between the presence of RIPLs and small vessel disease markers provides evidence that RIPLs might be an additional indicator of cerebral ischemic changes.
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Affiliation(s)
- William R. Kwapong
- Department of NeurologyWest China Hospital, Sichuan UniversityChengduChina
| | - Yuying Yan
- Department of NeurologyWest China Hospital, Sichuan UniversityChengduChina
| | - Le Cao
- Department of NeurologyWest China Hospital, Sichuan UniversityChengduChina
| | - Hang Wang
- Department of NeurologyWest China Hospital, Sichuan UniversityChengduChina
| | - Chen Ye
- Department of NeurologyWest China Hospital, Sichuan UniversityChengduChina
| | - Shuai Jiang
- Department of NeurologyWest China Hospital, Sichuan UniversityChengduChina
| | - Wendan Tao
- Department of NeurologyWest China Hospital, Sichuan UniversityChengduChina
| | - Bo Wu
- Department of NeurologyWest China Hospital, Sichuan UniversityChengduChina
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Pan R, Ye C, Zhang Z, Kwapong WR, Wang R, Lu K, Liao L, Yan Y, Yang T, Cao L, Jiang S, Zhang X, Liu J, Tao W, Wu B. Distinct alterations of retinal structure between thalamic and extra-thalamic subcortical infarction patients: A cross-sectional and longitudinal study. CNS Neurosci Ther 2024; 30:e14543. [PMID: 38018655 PMCID: PMC11017429 DOI: 10.1111/cns.14543] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2023] [Revised: 10/25/2023] [Accepted: 11/14/2023] [Indexed: 11/30/2023] Open
Abstract
AIMS Cerebrovascular lesions in the primary visual cortex, the lateral geniculate nucleus, and the optic tract have been associated with retinal neurodegeneration via the retrograde degeneration (RD) mechanism. We aimed to use optical coherence tomography (OCT) to assess the effects of the strategic single subcortical infarction (SSI) location on retinal neurodegeneration and its longitudinal impacts. METHODS Patients with SSI were enrolled and stratified by lesion location on cerebral MRI into the thalamic infarction group and extra-thalamic infarction group. Healthy controls from the native communities were also recruited. Retinal nerve fiber layer (RNFL) and ganglion cell-inner plexiform layer (GCIPL) were quantified using OCT. Generalized estimating equation (GEE) models were used for cross-sectional analyses and linear mixed models for longitudinal analyses. P < 0.05 was considered statistically significant. RESULTS We included a total of 283 eyes from 149 SSI patients. Of these, 115 eyes of 60 patients with follow-up were included in the longitudinal analyses. Cross-sectionally, thalamic-infarction patients had reduced retinal thickness compared with extra-thalamic infarction patients after adjustment for age, gender, disease duration, and vascular risk factors (p = 0.026 for RNFL, and p = 0.026 for GCIPL). Longitudinally, SSI patients showed greater retinal thinning compared with healthy controls over time (p = 0.040 for RNFL, and p < 0.001 for GCIPL), and thalamic infarction patients exhibited faster rates of GCIPL thinning in comparison with extra-thalamic infarction patients (p < 0.001). CONCLUSION Our study demonstrates a distinct effect of subcortical infarction lesion site on the retina both at the early stage of disease and at the 1-year follow-up time. These results present evidence of significant associations between strategic infarction locations and retinal neurodegeneration. It may provide novel insights for further research on RD in stroke patients and ultimately facilitate individualized recovery therapeutic strategy.
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Affiliation(s)
- Ruosu Pan
- Department of NeurologyWest China Hospital, Sichuan UniversityChengduChina
- Center of Cerebrovascular DiseasesWest China Hospital, Sichuan UniversityChengduChina
| | - Chen Ye
- Department of NeurologyWest China Hospital, Sichuan UniversityChengduChina
- Center of Cerebrovascular DiseasesWest China Hospital, Sichuan UniversityChengduChina
| | - Zhimeng Zhang
- West China School of MedicineSichuan UniversityChengduChina
| | | | - Ruilin Wang
- Department of OphthalmologyWest China Hospital, Sichuan UniversityChengduChina
| | - Kun Lu
- Department of NeurologyWest China Hospital, Sichuan UniversityChengduChina
| | - Lanhua Liao
- Department of NeurologyWest China Hospital, Sichuan UniversityChengduChina
| | - Yuying Yan
- Department of NeurologyWest China Hospital, Sichuan UniversityChengduChina
| | - Tang Yang
- Department of NeurologyWest China Hospital, Sichuan UniversityChengduChina
| | - Le Cao
- Department of NeurologyWest China Hospital, Sichuan UniversityChengduChina
| | - Shuai Jiang
- Department of NeurologyWest China Hospital, Sichuan UniversityChengduChina
| | - Xuening Zhang
- Department of NeurologyWest China Hospital, Sichuan UniversityChengduChina
| | - Junfeng Liu
- Department of NeurologyWest China Hospital, Sichuan UniversityChengduChina
- Center of Cerebrovascular DiseasesWest China Hospital, Sichuan UniversityChengduChina
| | - Wendan Tao
- Department of NeurologyWest China Hospital, Sichuan UniversityChengduChina
- Center of Cerebrovascular DiseasesWest China Hospital, Sichuan UniversityChengduChina
| | - Bo Wu
- Department of NeurologyWest China Hospital, Sichuan UniversityChengduChina
- Center of Cerebrovascular DiseasesWest China Hospital, Sichuan UniversityChengduChina
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Kellner RL, Harris A, Ciulla L, Guidoboni G, Verticchio Vercellin A, Oddone F, Carnevale C, Zaid M, Antman G, Kuvin JT, Siesky B. The Eye as the Window to the Heart: Optical Coherence Tomography Angiography Biomarkers as Indicators of Cardiovascular Disease. J Clin Med 2024; 13:829. [PMID: 38337522 PMCID: PMC10856197 DOI: 10.3390/jcm13030829] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2023] [Revised: 01/26/2024] [Accepted: 01/28/2024] [Indexed: 02/12/2024] Open
Abstract
Alterations in microvasculature represent some of the earliest pathological processes across a wide variety of human diseases. In many organs, however, inaccessibility and difficulty in directly imaging tissues prevent the assessment of microvascular changes, thereby significantly limiting their translation into improved patient care. The eye provides a unique solution by allowing for the non-invasive and direct visualization and quantification of many aspects of the human microvasculature, including biomarkers for structure, function, hemodynamics, and metabolism. Optical coherence tomography angiography (OCTA) studies have specifically identified reduced capillary densities at the level of the retina in several eye diseases including glaucoma. This narrative review examines the published data related to OCTA-assessed microvasculature biomarkers and major systemic cardiovascular disease. While loss of capillaries is being established in various ocular disease, pilot data suggest that changes in the retinal microvasculature, especially within the macula, may also reflect small vessel damage occurring in other organs resulting from cardiovascular disease. Current evidence suggests retinal microvascular biomarkers as potential indicators of major systemic cardiovascular diseases, including systemic arterial hypertension, atherosclerotic disease, and congestive heart failure.
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Affiliation(s)
- Rebecca L. Kellner
- Department of Ophthalmology, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA; (R.L.K.); (A.H.); (A.V.V.); (G.A.)
| | - Alon Harris
- Department of Ophthalmology, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA; (R.L.K.); (A.H.); (A.V.V.); (G.A.)
| | - Lauren Ciulla
- Department of Ophthalmology and Visual Science, The University of Chicago, Chicago, IL 60637, USA;
| | - Giovanna Guidoboni
- Maine College of Engineering and Computing, University of Maine, Orono, ME 04469, USA;
| | - Alice Verticchio Vercellin
- Department of Ophthalmology, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA; (R.L.K.); (A.H.); (A.V.V.); (G.A.)
| | - Francesco Oddone
- Glaucoma Unit, IRCCS—Fondazione Bietti, 00198 Rome, Italy; (F.O.); (C.C.)
| | - Carmela Carnevale
- Glaucoma Unit, IRCCS—Fondazione Bietti, 00198 Rome, Italy; (F.O.); (C.C.)
| | - Mohamed Zaid
- Graduate School of Biomedical Science and Engineering, University of Maine, Orono, ME 04469, USA;
| | - Gal Antman
- Department of Ophthalmology, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA; (R.L.K.); (A.H.); (A.V.V.); (G.A.)
- Department of Ophthalmology, Rabin Medical Center, Petah Tikva 4941492, Israel
- Faculty of Medicine, Tel Aviv University, Tel Aviv 69978, Israel
| | - Jeffrey T. Kuvin
- Zucker School of Medicine at Hofstra/Northwell Health, Manhasset, NY 11549, USA;
| | - Brent Siesky
- Department of Ophthalmology, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA; (R.L.K.); (A.H.); (A.V.V.); (G.A.)
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Shen Z, Zhang S, Yu W, Yue M, Hong C. Optical Coherence Tomography Angiography: Revolutionizing Clinical Diagnostics and Treatment in Central Nervous System Disease. Aging Dis 2024:AD.2024.0112. [PMID: 38300645 DOI: 10.14336/ad.2024.0112] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2023] [Accepted: 01/12/2024] [Indexed: 02/02/2024] Open
Abstract
Optical coherence tomography angiography (OCTA), as a new generation of non-invasive and efficient fundus imaging technology, can provide non-invasive assessment of vascular lesions in the retina and choroid. In terms of anatomy and development, the retina is referred to as an extension of the central nervous system (CNS). CNS diseases are closely related to changes in fundus structure and blood vessels, and direct visualization of fundus structure and blood vessels provides an effective "window" for CNS research. This has important practical significance for identifying the characteristic changes of various CNS diseases on OCTA in the future, and plays a key role in promoting early screening, diagnosis, and monitoring of disease progression in CNS diseases. This article reviews relevant fundus studies by comparing and summarizing the unique advantages and existing limitations of OCTA in various CNS disease patients, in order to demonstrate the clinical significance of OCTA in the diagnosis and treatment of CNS diseases.
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Affiliation(s)
- Zeqi Shen
- Postgraduate training base Alliance of Wenzhou Medical University (Affiliated People's Hospital), Hangzhou, Zhejiang, China
| | - Sheng Zhang
- Center for Rehabilitation Medicine, Department of Neurology, Zhejiang Provincial People's Hospital (Affiliated People's Hospital), Hangzhou Medical College, Hangzhou, Zhejiang, China
| | - Weitao Yu
- The Second School of Clinical Medicine, Hangzhou Normal University, Hangzhou, Zhejiang, China
| | - Mengmeng Yue
- Postgraduate training base Alliance of Wenzhou Medical University (Affiliated People's Hospital), Hangzhou, Zhejiang, China
| | - Chaoyang Hong
- Center for Rehabilitation Medicine, Department of Ophthalmology, Zhejiang Provincial People's Hospital (Affiliated People's Hospital), Hangzhou Medical College, Hangzhou, Zhejiang, China
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Lu K, Kwapong WR, Jiang S, Zhang X, Xie J, Ye C, Yan Y, Cao L, Zhao Y, Wu B. Differences in retinal microvasculature between large artery atherosclerosis and small artery disease: an optical coherence tomography angiography study. Front Aging Neurosci 2022; 14:1053638. [PMID: 36620764 PMCID: PMC9816383 DOI: 10.3389/fnagi.2022.1053638] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2022] [Accepted: 11/14/2022] [Indexed: 12/24/2022] Open
Abstract
Purpose: Recent reports suggest retinal microvasculature mirror cerebral microcirculation. Using optical coherence tomography angiography (OCTA), we investigated the retinal microvasculature differences between ischemic stroke patients with large artery atherosclerosis (LAA) and small artery disease (SAD). Methods: All patients underwent MR imaging and were classified as SAD and LAA; LAA was subdivided into anterior LAS and posterior LAS depending on the location. Swept-source OCTA (SS-OCTA) was used to image and segment the retina into the superficial vascular complex (SVC) and deep vascular complex (DVC) in a 6 × 6 mm area around the fovea. A deep learning algorithm was used to assess the vessel area density (VAD, %) in the retinal microvasculature. Results: Fifty-eight (mean age = 60.26 ± 10.88 years; 81.03% males) were LAA while 64 (mean age = 55.58 ± 10.34 years; 85.94% males) were SAD. LAS patients had significantly reduced VAD in the DVC (P = 0.022) compared to SAD patients; the VAD in the SVC did not show any significant difference between the two groups (P = 0.580). Anterior LAA ischemic stroke showed significantly lower VAD (P = 0.002) in the SVC compared with posterior LAS patients. There was no significant difference in the DVC between the two groups (P = 0.376). Conclusions: We found LAA patients had significantly reduced DVC density compared with SAD; we also showed anterior LAA patients had significantly reduced SVC density compared with posterior LAA. These findings suggest retinal imaging has the potential to be used to detect microvasculature changes in subtypes of ischemic stroke.
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Affiliation(s)
- Kun Lu
- Department of Neurology, West China Hospital, Sichuan University, Chengdu, China
| | | | - Shuai Jiang
- Department of Neurology, West China Hospital, Sichuan University, Chengdu, China
| | - Xuening Zhang
- Department of Neurology, West China Hospital, Sichuan University, Chengdu, China
| | - Jianyang Xie
- Cixi Institute of Biomedical Engineering, Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo, China
| | - Chen Ye
- Department of Neurology, West China Hospital, Sichuan University, Chengdu, China
| | - Yuying Yan
- Department of Neurology, West China Hospital, Sichuan University, Chengdu, China
| | - Le Cao
- Department of Neurology, West China Hospital, Sichuan University, Chengdu, China
| | - Yitian Zhao
- Cixi Institute of Biomedical Engineering, Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo, China,The Affiliated People’s Hospital of Ningbo University, Ningbo, China,*Correspondence: Bo Wu Yitian Zhao
| | - Bo Wu
- Department of Neurology, West China Hospital, Sichuan University, Chengdu, China,*Correspondence: Bo Wu Yitian Zhao
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Duan H, Xie J, Zhou Y, Zhang H, Liu Y, Tang C, Zhao Y, Qi H. Characterization of the Retinal Microvasculature and FAZ Changes in Ischemic Stroke and Its Different Types. Transl Vis Sci Technol 2022; 11:21. [PMID: 36239966 PMCID: PMC9586132 DOI: 10.1167/tvst.11.10.21] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022] Open
Abstract
Purpose This study aimed to assess morphological changes in the retinal microvasculature and foveal avascular zone (FAZ) in patients with ischemic stroke and its different subtypes. Methods Thirty-three patients with ischemic stroke (14 with nonlacunar infarction and 19 with lacunar infarction) and 27 control participants were enrolled in this study. Based on optical coherence tomography angiography (OCTA), three vascular parameters, including vascular area density, vascular fractal dimension (VFD), and vascular orientation distribution (VOD), and four FAZ-related parameters, including FAZ area, FAZ axis ratio (FAR), FAZ circularity (FC), and FAZ roundness, in the superficial capillary plexus (SCP) and deep capillary plexus (DCP) were extracted and analyzed. Results Logistic regression results showed that worse best-corrected visual acuity (odds ratio [OR], 0.21), higher FAR (OR, 2.77) and lower FC (OR, 0.36) of the DCP were associated with ischemic stroke. Furthermore, lower VOD of the SCP was significantly associated with lacunar infarction compared with nonlacunar infarction. Conclusions Our study shows that the FAR and FC of the DCP may be potential biomarkers of ischemic stroke. Moreover, we demonstrated that OCT showed specific damage patterns in retinal microvascular and macular morphology in different subtypes of ischemic stroke. Translational Relevance This work lays the foundation for the pathophysiological characteristics of cerebrovascular diseases assisted by retinal imaging and artificial intelligence.
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Affiliation(s)
- Hongyu Duan
- Institute of Medical Technology, Peking University Health Science Center, Beijing, China.,Department of Ophthalmology, Peking University Third Hospital, Beijing Key Laboratory of Restoration of Damaged Ocular Nerve, Beijing, China
| | - Jianyang Xie
- Cixi Institute of BioMedical Engineering, Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo, China
| | - Yifan Zhou
- Department of Ophthalmology, Peking University Third Hospital, Beijing Key Laboratory of Restoration of Damaged Ocular Nerve, Beijing, China
| | - Hui Zhang
- Department of Neurology, Peking University Third Hospital, Beijing, China
| | - Yiyun Liu
- Department of Ophthalmology, Peking University Third Hospital, Beijing Key Laboratory of Restoration of Damaged Ocular Nerve, Beijing, China
| | - Chuhao Tang
- Department of Ophthalmology, Peking University Third Hospital, Beijing Key Laboratory of Restoration of Damaged Ocular Nerve, Beijing, China
| | - Yitian Zhao
- Cixi Institute of BioMedical Engineering, Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo, China
| | - Hong Qi
- Institute of Medical Technology, Peking University Health Science Center, Beijing, China.,Department of Ophthalmology, Peking University Third Hospital, Beijing Key Laboratory of Restoration of Damaged Ocular Nerve, Beijing, China
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