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Tan TE, Jampol LM, Ferris FL, Tadayoni R, Sadda SR, Chong V, Domalpally A, Blodi BL, Duh EJ, Curcio CA, Antonetti DA, Dutta S, Levine SR, Sun JK, Gardner TW, Wong TY. Imaging Modalities for Assessing the Vascular Component of Diabetic Retinal Disease: Review and Consensus for an Updated Staging System. OPHTHALMOLOGY SCIENCE 2024; 4:100449. [PMID: 38313399 PMCID: PMC10837643 DOI: 10.1016/j.xops.2023.100449] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 08/11/2023] [Revised: 12/05/2023] [Accepted: 12/05/2023] [Indexed: 02/06/2024]
Abstract
Purpose To review the evidence for imaging modalities in assessing the vascular component of diabetic retinal disease (DRD), to inform updates to the DRD staging system. Design Standardized narrative review of the literature by an international expert workgroup, as part of the DRD Staging System Update Effort, a project of the Mary Tyler Moore Vision Initiative. Overall, there were 6 workgroups: Vascular Retina, Neural Retina, Systemic Health, Basic and Cellular Mechanisms, Visual Function, and Quality of Life. Participants The Vascular Retina workgroup, including 16 participants from 4 countries. Methods Literature review was conducted using standardized evidence grids for 5 modalities: standard color fundus photography (CFP), widefield color photography (WFCP), standard fluorescein angiography (FA), widefield FA (WFFA), and OCT angiography (OCTA). Summary levels of evidence were determined on a validated scale from I (highest) to V (lowest). Five virtual workshops were held for discussion and consensus. Main Outcome Measures Level of evidence for each modality. Results Levels of evidence for standard CFP, WFCP, standard FA, WFFA, and OCTA were I, II, I, I, and II respectively. Traditional vascular lesions on standard CFP should continue to be included in an updated staging system, but more studies are required before they can be used in posttreatment eyes. Widefield color photographs can be used for severity grading within the area covered by standard CFPs, although these gradings may not be directly interchangeable with each other. Evaluation of the peripheral retina on WFCP can be considered, but the method of grading needs to be clarified and validated. Standard FA and WFFA provide independent prognostic value, but the need for dye administration should be considered. OCT angiography has significant potential for inclusion in the DRD staging system, but various barriers need to be addressed first. Conclusions This study provides evidence-based recommendations on the utility of various imaging modalities for assessment of the vascular component of DRD, which can inform future updates to the DRD staging system. Although new imaging modalities offer a wealth of information, there are still major gaps and unmet research needs that need to be addressed before this potential can be realized. Financial Disclosures Proprietary or commercial disclosure may be found in the Footnotes and Disclosures at the end of this article.
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Affiliation(s)
- Tien-En Tan
- Singapore Eye Research Institute, Singapore National Eye Centre, Singapore
- Ophthalmology & Visual Sciences Academic Clinical Programme (EYE ACP), Duke-National University of Singapore Medical School, Singapore
| | - Lee M. Jampol
- Department of Ophthalmology, Feinberg School of Medicine, Northwestern University, Chicago, Illinois
| | | | - Ramin Tadayoni
- Ophthalmology Department, Lariboisière, AP-HP, Saint Louis and Fondation Adolphe de Rothschild Hospitals, Université Paris Cité, Paris, France
| | - Srinivas R. Sadda
- Doheny Eye Institute, Pasadena, California
- Department of Ophthalmology, David Geffen School of Medicine, University of California Los Angeles, Los Angeles, California
| | - Victor Chong
- UCL Institute of Ophthalmology, University College London, London, UK
| | - Amitha Domalpally
- Department of Ophthalmology and Visual Sciences, Wisconsin Reading Center, University of Wisconsin-Madison, Madison, Wisconsin
| | - Barbara L. Blodi
- Department of Ophthalmology and Visual Sciences, Wisconsin Reading Center, University of Wisconsin-Madison, Madison, Wisconsin
| | - Elia J. Duh
- Wilmer Eye Institute, Johns Hopkins University School of Medicine, Baltimore, Maryland
| | - Christine A. Curcio
- Department of Ophthalmology and Visual Sciences, University of Alabama at Birmingham Heersink School of Medicine, Birmingham, Alabama
| | - David A. Antonetti
- Department of Ophthalmology and Visual Sciences, Kellogg Eye Center, University of Michigan Medical School, Ann Arbor, Michigan
| | | | - S. Robert Levine
- The Mary Tyler Moore & S. Robert Levine, MD Charitable Foundation, Greenwich, Connecticut
| | - Jennifer K. Sun
- Joslin Diabetes Center, Beetham Eye Institute, Harvard Medical School, Boston, Massachusetts
| | - Thomas W. Gardner
- Department of Ophthalmology and Visual Sciences, Kellogg Eye Center, University of Michigan Medical School, Ann Arbor, Michigan
| | - Tien Yin Wong
- Singapore Eye Research Institute, Singapore National Eye Centre, Singapore
- Ophthalmology & Visual Sciences Academic Clinical Programme (EYE ACP), Duke-National University of Singapore Medical School, Singapore
- Tsinghua Medicine, Tsinghua University, Beijing, China
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Vujosevic S, Toma C, Villani E, Nucci P, Brambilla M, Torti E, Leporati F, De Cillà S. LONGITUDINAL MICROVASCULAR AND NEURONAL RETINAL EVALUATION IN PATIENTS WITH DIABETES MELLITUS TYPES 1 AND 2 AND GOOD GLYCEMIC CONTROL. Retina 2023; 43:1723-1731. [PMID: 37384871 DOI: 10.1097/iae.0000000000003880] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/01/2023]
Abstract
PURPOSE To evaluate microvascular and neuronal changes over 3 years in patients with Type 1/2 diabetes mellitus (DM1/DM2), good metabolic control, and no signs of diabetic retinopathy. METHODS In this prospective, longitudinal study, 20 DM1, 48 DM2, and 24 controls underwent macular optical coherence tomography and optical coherence tomography angiography at baseline and after 3 years. Following parameters were considered: thickness of the central macula, retinal nerve fiber layer, ganglion cell (GCL+/GCL++) complex; perfusion and vessel density and fractal dimension at the superficial and deep capillary plexuses; choriocapillaris flow deficits; and foveal avascular zone metrics. MATLAB and ImageJ were used for optical coherence tomography angiography scans analyses. RESULTS The mean HbA1c was 7.4 ± 0.8% in DM1 and 7.2 ± 0.8% in DM2 at baseline, with no change at 3 years. No eye developed diabetic retinopathy. In longitudinal analyses, perfusion density at superficial capillary plexuses ( P = 0.03) and foveal avascular zone area and perimeter ( P < 0.0001) significantly increased in DM2 compared with other groups. No longitudinal changes occurred in optical coherence tomography parameters. In comparisons within groups, DM2 had a significant thinning of GCL++ in the outer ring, decreased perfusion density at deep capillary plexuses and choriocapillaris flow deficits, and increase in foveal avascular zone perimeter and area in deep capillary plexuses; DM1 had an increase in foveal avascular zone perimeter in deep capillary plexuses ( P < 0.001 for all comparisons). CONCLUSION Longitudinal data showed significant microvascular retinal changes in DM2. No changes were detected in neuronal parameters and in DM1. Longer and larger studies are needed to confirm these preliminary data.
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Affiliation(s)
- Stela Vujosevic
- Department of Biomedical, Surgical and Dental Sciences, University of Milan, Milan, Italy
- Eye Clinic, IRCCS MultiMedica, Milan, Italy
| | - Caterina Toma
- Eye Clinic, University Hospital Maggiore della Carità, Novara, Italy
- Department of Health Sciences, University of Eastern Piedmont "A. Avogadro", Novara, Italy
| | - Edoardo Villani
- Eye Clinic, IRCCS MultiMedica, Milan, Italy
- Department of Clinical Sciences and Community Health, University of Milan, Milan, Italy
| | - Paolo Nucci
- Department of Biomedical, Surgical and Dental Sciences, University of Milan, Milan, Italy
| | - Marco Brambilla
- Department of Medical Physics, University Hospital Maggiore della Carità, Novara, Italy; and
| | - Emanuele Torti
- Department of Electrical, Computer and Biomedical Engineering, University of Pavia, Pavia, Italy
| | - Francesco Leporati
- Department of Electrical, Computer and Biomedical Engineering, University of Pavia, Pavia, Italy
| | - Stefano De Cillà
- Eye Clinic, University Hospital Maggiore della Carità, Novara, Italy
- Department of Health Sciences, University of Eastern Piedmont "A. Avogadro", Novara, Italy
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Usman TM, Saheed YK, Nsang A, Ajibesin A, Rakshit S. A systematic literature review of machine learning based risk prediction models for diabetic retinopathy progression. Artif Intell Med 2023; 143:102617. [PMID: 37673580 DOI: 10.1016/j.artmed.2023.102617] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2022] [Revised: 06/20/2023] [Accepted: 06/21/2023] [Indexed: 09/08/2023]
Abstract
Diabetic Retinopathy (DR) is the most popular debilitating impairment of diabetes and it progresses symptom-free until a sudden loss of vision occurs. Understanding the progression of DR is a pressing issue in clinical research and practice. In this systematic review of articles on Machine Learning (ML) based risk prediction models for DR progression, ever since the use of Artificial Intelligence (AI) for DR detection, there have been more cross-sectional studies with different algorithms of use of AI, there haven't been many longitudinal studies for the AI based risk prediction models. This paper proposes a novel review to fill in the gaps identified in current reviews and facilitate other researchers with current research solutions for developing AI-based risk prediction models for DR progression and closely related problems; synthesize the current results from these studies and identify research challenges, limitations and gaps to inform the selection of machine learning techniques and predictors to build novel prediction models. Additionally, this paper suggested six (6) deep AI-related technical and critical discussion of the adopted strategies and approaches. The Systematic Literature Review (SLR) methodology was employed to gather relevant studies. We searched IEEE Xplore, PubMed, Springer Link, Google Scholar, and Science Direct electronic databases for papers published from January 2017 to 30th April 2023. Thirteen (13) studies were chosen on the basis of their relevance to the review questions and satisfying the selection criteria. However, findings from the literature review exposed some critical research gaps that need to be addressed in future research to improve on the performance of risk prediction models for DR progression.
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Affiliation(s)
| | | | | | | | - Sandip Rakshit
- The Business School, RMIT University Vietnam, Ho chi Minh City, 700000 Vietnam.
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Lee J, Kim YJ, Lee JY, Yoon YH, Kim JG. Predictive factors for microvascular recovery after treatments for diabetic retinopathy. BMC Ophthalmol 2023; 23:34. [PMID: 36698088 PMCID: PMC9875384 DOI: 10.1186/s12886-023-02788-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2022] [Accepted: 01/17/2023] [Indexed: 01/26/2023] Open
Abstract
BACKGROUND To identify factors associated with microvascular recovery after intravitreal bevacizumab or panretinal photocoagulation (PRP) in diabetic retinopathy (DR). METHODS We retrospectively reviewed 320 eyes/patients with DR treated with intravitreal bevacizumab and/or PRP. Two consecutive fluorescein angiographies (FAs) of each eye were compared. The number of microaneurysms and the area of capillary non-perfusion were calculated automatically using ImageJ software. Microvascular recovery was defined as a marked reduction in the numbers of microaneurysms (< 20%) or a marked reduction in the area of capillary non-perfusion (< 50%) in 45-degree fields or a complete regression of new vessels in ETDRS 7 standard fields. Baseline FA findings and changes in the ocular and systemic factors were analyzed. RESULTS Twenty-eight (8.8%) of the 320 total eyes were found to meet the criteria of microvascular recovery after the treatments. Multivariate analysis revealed the presence of diffuse capillary telangiectasis (P = .003) and late disc leaking (P = .007) on baseline FA and a reduction of glycated hemoglobin (P = .005) during the follow-up period were predictive factors of microvascular recovery after the treatments. Although the microvascular recovery group presented with a significant improvement of BCVA after the treatments, the baseline BCVA could not predict the microvascular recovery after the treatments. CONCLUSIONS Diffuse capillary telangiectasis or late disc leaking on baseline FA and improved glycemic control positively predicted the microvascular recovery after treatments for DR.
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Affiliation(s)
- Junyeop Lee
- grid.413967.e0000 0001 0842 2126Department of Ophthalmology, Asan Medical Center, University of Ulsan, College of Medicine, 88 Olympic-Ro 43-Gil, Songpa-Gu, Seoul, 05505 Korea ,grid.267370.70000 0004 0533 4667Asan Diabetes Center, Asan Medical Center, University of Ulsan, College of Medicine, Seoul, Korea
| | - Yoon-Jeon Kim
- grid.413967.e0000 0001 0842 2126Department of Ophthalmology, Asan Medical Center, University of Ulsan, College of Medicine, 88 Olympic-Ro 43-Gil, Songpa-Gu, Seoul, 05505 Korea ,grid.267370.70000 0004 0533 4667Asan Diabetes Center, Asan Medical Center, University of Ulsan, College of Medicine, Seoul, Korea
| | - Joo-Yong Lee
- grid.413967.e0000 0001 0842 2126Department of Ophthalmology, Asan Medical Center, University of Ulsan, College of Medicine, 88 Olympic-Ro 43-Gil, Songpa-Gu, Seoul, 05505 Korea ,grid.267370.70000 0004 0533 4667Asan Diabetes Center, Asan Medical Center, University of Ulsan, College of Medicine, Seoul, Korea
| | - Young Hee Yoon
- grid.413967.e0000 0001 0842 2126Department of Ophthalmology, Asan Medical Center, University of Ulsan, College of Medicine, 88 Olympic-Ro 43-Gil, Songpa-Gu, Seoul, 05505 Korea ,grid.267370.70000 0004 0533 4667Asan Diabetes Center, Asan Medical Center, University of Ulsan, College of Medicine, Seoul, Korea
| | - June-Gone Kim
- grid.413967.e0000 0001 0842 2126Department of Ophthalmology, Asan Medical Center, University of Ulsan, College of Medicine, 88 Olympic-Ro 43-Gil, Songpa-Gu, Seoul, 05505 Korea ,grid.267370.70000 0004 0533 4667Asan Diabetes Center, Asan Medical Center, University of Ulsan, College of Medicine, Seoul, Korea
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McGrath OE, Aslam TM. Use of Imaging Technology to Assess the Effect of COVID-19 on Retinal Tissues: A Systematic Review. Ophthalmol Ther 2022; 11:1017-1030. [PMID: 35488102 PMCID: PMC9053559 DOI: 10.1007/s40123-022-00509-8] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2022] [Accepted: 04/01/2022] [Indexed: 11/29/2022] Open
Abstract
PURPOSE To evaluate the effect of COVID-19 on retinal tissues by conducting a systematic review and meta-analysis of the current literature. BACKGROUND The novel coronavirus disease is not yet well understood. The orbit provides a window into the body's microvasculature, and as such, it is a non-invasive opportunity to analyse the systemic circulation in vivo. By analysing the current literature, we test the hypothesis that non-invasive imaging of the retina could provide insight into the effect of COVID-19 on the retinal microvasculature. METHODS For this systematic review and meta-analysis, we screened PubMed databases and LitCOVID19 using the search criteria: (OCTA or Optical Coherence Tomography Angiography) AND (COVID-19 or corona or SARS-CoV-2) AND (retina or fundus). Databases were searched on 11 January 2022. The primary study outcomes were studies that utilised OCTA to analyse the retina; secondary outcomes involved studies that involved other imaging modalities such as OCT, fundus photography, and fundus autofluorescence. FINDINGS The total number of studies included in this review was 32. Optical coherence tomography angiography scans show reduced central retinal vascular density, a thinner ganglion cell layer, a thicker retinal nerve fibre layer, and an enlarged foveal avascular zone. Optical coherence tomography scans demonstrate a thicker central macular thickness and other changes to the macula, ganglion cell, and inner nuclear layers. Many fundus photographs depicted cotton wool spots, microhaemorrhages, and vascular occlusions. Non-invasive imaging technology has demonstrated that COVID-19 can profoundly affect the retina. Therefore, there is a requirement for long-term follow-up of COVID-19 patients to assess whether the retinal damage caused by COVID-19 is reversible.
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Affiliation(s)
- Orlaith E. McGrath
- Manchester Royal Eye Hospital, Manchester, UK
- The University of Manchester, Manchester, UK
| | - Tariq M. Aslam
- Manchester Royal Eye Hospital, Manchester, UK
- The University of Manchester, Manchester, UK
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Tsai WS, Thottarath S, Gurudas S, Sen P, Pearce E, Giani A, Chong V, Cheung CMG, Sivaprasad S. Correlation of Optical Coherence Tomography Angiography Characteristics with Visual Function to Define Vision-Threatening Diabetic Macular Ischemia. Diagnostics (Basel) 2022; 12:diagnostics12051050. [PMID: 35626206 PMCID: PMC9139901 DOI: 10.3390/diagnostics12051050] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2022] [Revised: 04/15/2022] [Accepted: 04/20/2022] [Indexed: 12/10/2022] Open
Abstract
The thresholds of macular microvasculature parameters associated with mild visual impairment in diabetic macular ischemia (DMI) patients are unclear. Therefore, this prospective observational study is aimed at demonstrating the optical coherence tomography angiography parameters that best correlate with mild visual impairment (<70 Early Treatment Diabetic Retinopathy Study (ETDRS) letters, Snellen equivalent 20/40) in DMI. The study was completed at the Moorfields Eye Hospital from December 2019 to August 2021. A total of 123 eyes of 87 patients with stable-treated proliferative diabetic retinopathy following panretinal photocoagulation were recruited. DMI was defined as an irregular foveal avascular zone (FAZ) area ≥ 0.5 mm2 or a smaller FAZ area with parafoveal capillary dropout in at least one quadrant. The analysis showed that the whole image deep vascular complex vessel density (DVC VD) in the 3 × 3 mm area had the best discriminatory ability to identify participants with mild visual impairment at 41.9% (area under the curve = 0.77, sensitivity 94%, specificity 54%, likelihood ratio [LR] = 2.04), and the FAZ area had the greatest post-test LR = 4.21 at 0.64 mm2. The 3 × 3 mm whole image DVC VD and FAZ area cutoffs are useful for screening vision-threatening DMI, but DVC VD has low specificity.
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Affiliation(s)
- Wei-Shan Tsai
- NIHR Moorfields Biomedical Research Centre, Moorfields Eye Hospital NHS Foundation Trust, 162 City Road, London EC1V 2PD, UK; (W.-S.T.); (S.T.)
- Institute of Ophthalmology, University College London, 11-43 Bath Street, London EC1V 9EL, UK; (S.G.); (P.S.); (V.C.)
| | - Sridevi Thottarath
- NIHR Moorfields Biomedical Research Centre, Moorfields Eye Hospital NHS Foundation Trust, 162 City Road, London EC1V 2PD, UK; (W.-S.T.); (S.T.)
| | - Sarega Gurudas
- Institute of Ophthalmology, University College London, 11-43 Bath Street, London EC1V 9EL, UK; (S.G.); (P.S.); (V.C.)
| | - Piyali Sen
- Institute of Ophthalmology, University College London, 11-43 Bath Street, London EC1V 9EL, UK; (S.G.); (P.S.); (V.C.)
| | - Elizabeth Pearce
- Boehringer Ingelheim, Binger Street 173, 55218 Ingelheim am Rhein, Germany; (E.P.); (A.G.)
| | - Andrea Giani
- Boehringer Ingelheim, Binger Street 173, 55218 Ingelheim am Rhein, Germany; (E.P.); (A.G.)
| | - Victor Chong
- Institute of Ophthalmology, University College London, 11-43 Bath Street, London EC1V 9EL, UK; (S.G.); (P.S.); (V.C.)
| | | | - Sobha Sivaprasad
- NIHR Moorfields Biomedical Research Centre, Moorfields Eye Hospital NHS Foundation Trust, 162 City Road, London EC1V 2PD, UK; (W.-S.T.); (S.T.)
- Institute of Ophthalmology, University College London, 11-43 Bath Street, London EC1V 9EL, UK; (S.G.); (P.S.); (V.C.)
- Correspondence: ; Tel.: +44-7817-886759
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Massamba N, Mackin AG, Chun LY, Rodriguez S, Dimitroyannis RC, Bodaghi B, Hariprasad SM, Skondra D. Evaluation of flow of chorioretinal capillaries in healthy black and white subjects using optical coherence tomography angiography. Sci Rep 2021; 11:21886. [PMID: 34750481 PMCID: PMC8575995 DOI: 10.1038/s41598-021-01380-6] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2021] [Accepted: 10/11/2021] [Indexed: 12/18/2022] Open
Abstract
This study compared macular capillary parameters between healthy black and white subjects using optical coherence tomography angiography (OCTA). We measured vessel density (VD) of superficial (SCP), intermediate (ICP), and deep (DCP) capillary plexuses and choriocapillaris blood flow area (BFA) of the fovea, parafovea and total 3 mm-diameter circular area centered on the fovea, as well as the foveal avascular zone (FAZ) parameters, controlling for axial length. Black subjects had lower foveal and parafoveal VD in the SCP (p = 0.043 and p = 0.014) and the ICP (p = 0.014 and p = 0.002). In the DCP, black subjects had a trend toward lower foveal and parafoveal VD. Black subjects had decreased choriocapillaris BFA in the total 3 mm area (p = 0.011) and the parafovea (p = 0.033), larger FAZ area (p = 0.006) and perimeter (p = 0.014), and a higher capillary density in a 300 μm wide region around the FAZ (FD-300) (p = 0.001). There was no significant difference in FAZ acircularity index. To our knowledge, this is the first report analyzing the three distinct retinal capillary plexuses and identifying differing baseline VD, choriocapillaris and FAZ parameters in healthy young black compared to white subjects. Larger studies are needed to validate these findings and better understand racial differences in vulnerability to ocular diseases.
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Affiliation(s)
- Nathalie Massamba
- Department of Ophthalmology and Visual Science, The University of Chicago, 5841 S. Maryland Avenue, S426m MC2114, Chicago, IL, 60637, USA
- Department of Ophthalmology, Handicap, and Vision, Pitie Salpetriere Hospital, Sorbonne University, Paris, France
- J. Terry Ernest Ocular Imaging Center, The University of Chicago, Chicago, IL, USA
| | - Anna G Mackin
- Department of Ophthalmology and Visual Science, The University of Chicago, 5841 S. Maryland Avenue, S426m MC2114, Chicago, IL, 60637, USA
| | - Lindsay Y Chun
- Department of Ophthalmology and Visual Science, The University of Chicago, 5841 S. Maryland Avenue, S426m MC2114, Chicago, IL, 60637, USA
| | - Sarah Rodriguez
- Department of Ophthalmology and Visual Science, The University of Chicago, 5841 S. Maryland Avenue, S426m MC2114, Chicago, IL, 60637, USA
| | - Rose C Dimitroyannis
- Department of Ophthalmology and Visual Science, The University of Chicago, 5841 S. Maryland Avenue, S426m MC2114, Chicago, IL, 60637, USA
| | - Bahram Bodaghi
- Department of Ophthalmology, Handicap, and Vision, Pitie Salpetriere Hospital, Sorbonne University, Paris, France
| | - Seenu M Hariprasad
- Department of Ophthalmology and Visual Science, The University of Chicago, 5841 S. Maryland Avenue, S426m MC2114, Chicago, IL, 60637, USA
| | - Dimitra Skondra
- Department of Ophthalmology and Visual Science, The University of Chicago, 5841 S. Maryland Avenue, S426m MC2114, Chicago, IL, 60637, USA.
- J. Terry Ernest Ocular Imaging Center, The University of Chicago, Chicago, IL, USA.
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8
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Koca SB, Akdogan M, Koca S. Evaluation of early retinal vascular changes by optical coherence tomography angiography in children with type 1 diabetes mellitus without diabetic retinopathy. Int Ophthalmol 2021; 42:423-433. [PMID: 34625889 DOI: 10.1007/s10792-021-02059-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2021] [Accepted: 09/21/2021] [Indexed: 10/20/2022]
Abstract
PURPOSE To evaluate macular and peripapillary vascular changes by optical coherence tomography angiography (OCTA) in children with type 1 diabetes mellitus (T1DM) without diabetic retinopathy (DR). METHODS This study included 46 patients with T1DM and 46 age-sex matched healthy subjects. All participants were evaluated in terms of macular and optic disk parameters by using AngioVue. Foveal avascular zone (FAZ) area, macular and optic disk vessel density (VD) were analyzed. The correlation of these parameters with metabolic factors such as disease duration, mean hemoglobin A1c (HbA1c), insulin-like growth factor 1 (IGF-1) standard deviation score (SDS), homocysteine (Hcy) level, body mass index (BMI) SDS and daily insulin dose was also investigated in T1DM group. RESULTS No significant difference was found in FAZ area and optic disk radial peripapillary capillary (RPC) VD comparing diabetic and control groups. In all macular regions, VD was significantly lower in T1DM versus control group both in superficial capillary plexus (SCP) and deep capillary plexus (DCP). None of the metabolic parameters was correlated with FAZ area and optic disk RPC-VD. Vascular density in SCP was negatively correlated with mean HbA1c and positively correlated with IGF-1 SDS. Homocysteine level was negatively correlated with DCP-VD in all areas. CONCLUSION In children with T1DM without clinically apparent DR, VD in SCP and DCP was decreased and OCTA is a valuable imaging technique for detecting early vascular changes. The metabolic parameters such as mean HbA1c, IGF-1 SDS and Hcy affect the macular VD in diabetic children. TRIAL REGISTRATION NUMBER 2011-KAEK-2, 2021/4, Trial registration date: 02.04.2021.
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Affiliation(s)
- Serkan Bilge Koca
- Faculty of Medicine, Department of Pediatrics, Division of Pediatric Endocrinology, Afyonkarahisar Health Sciences University, Afyonkarahisar, Turkey
| | - Muberra Akdogan
- Faculty of Medicine, Department of Ophthalmology, Afyonkarahisar Health Sciences University, Afyonkarahisar, Turkey
| | - Semra Koca
- Faculty of Medicine, Department of Ophthalmology, Afyonkarahisar Health Sciences University, Afyonkarahisar, Turkey. .,, 1444. Sokak Kandilli Konakları D Blok 2/8, Afyonkarahisar, Türkiye.
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9
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Vujosevic S, Cunha-Vaz J, Figueira J, Löwenstein A, Midena E, Parravano M, Scanlon PH, Simó R, Hernández C, Madeira MH, Marques IP, C-V Martinho A, Santos AR, Simó-Servat O, Salongcay RP, Zur D, Peto T. Standardisation of Optical Coherence Tomography Angiography Imaging Biomarkers in Diabetic Retinal Disease. Ophthalmic Res 2021; 64:871-887. [PMID: 34348330 DOI: 10.1159/000518620] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2021] [Accepted: 07/12/2021] [Indexed: 11/19/2022]
Affiliation(s)
| | - José Cunha-Vaz
- AIBILI-Association for Innovation and Biomedical Research on Light and Image, Coimbra, Portugal
- Coimbra Institute for Clinical and Biomedical Research (iCBR), Faculty of Medicine, University of Coimbra, Coimbra, Portugal
| | - João Figueira
- AIBILI-Association for Innovation and Biomedical Research on Light and Image, Coimbra, Portugal
- Coimbra Institute for Clinical and Biomedical Research (iCBR), Faculty of Medicine, University of Coimbra, Coimbra, Portugal
| | - Anat Löwenstein
- Ophthalmology Division, Tel Aviv Medical Center, affiliated to Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel
| | - Edoardo Midena
- Department of Neuroscience, University of Padua, Padua, Italy
| | | | - Peter Henry Scanlon
- Department of Ophthalmology, Gloucestershire Hospitals NHS Foundation Trust, Cheltenham, United Kingdom
| | - Rafael Simó
- Diabetes and Metabolism Research Unit, Vall d'Hebron Research Institute, Barcelona, Spain
- Centro de Investigación Biomédica en Red de Diabetes y Enfermedades Metabólicas Asociadas (CIBERDEM), Instituto de Salud Carlos III, Madrid, Spain
| | - Cristina Hernández
- Diabetes and Metabolism Research Unit, Vall d'Hebron Research Institute, Barcelona, Spain
- Centro de Investigación Biomédica en Red de Diabetes y Enfermedades Metabólicas Asociadas (CIBERDEM), Instituto de Salud Carlos III, Madrid, Spain
| | - Maria H Madeira
- AIBILI-Association for Innovation and Biomedical Research on Light and Image, Coimbra, Portugal
- Coimbra Institute for Clinical and Biomedical Research (iCBR), Faculty of Medicine, University of Coimbra, Coimbra, Portugal
| | - Inês P Marques
- AIBILI-Association for Innovation and Biomedical Research on Light and Image, Coimbra, Portugal
- Coimbra Institute for Clinical and Biomedical Research (iCBR), Faculty of Medicine, University of Coimbra, Coimbra, Portugal
- Department of Orthoptics, School of Health, Polytechnic of Porto, Porto, Portugal
| | - António C-V Martinho
- AIBILI-Association for Innovation and Biomedical Research on Light and Image, Coimbra, Portugal
| | - Ana R Santos
- AIBILI-Association for Innovation and Biomedical Research on Light and Image, Coimbra, Portugal
- Department of Orthoptics, School of Health, Polytechnic of Porto, Porto, Portugal
| | - Olga Simó-Servat
- Diabetes and Metabolism Research Unit, Vall d'Hebron Research Institute, Barcelona, Spain
- Centro de Investigación Biomédica en Red de Diabetes y Enfermedades Metabólicas Asociadas (CIBERDEM), Instituto de Salud Carlos III, Madrid, Spain
| | - Recivall P Salongcay
- Centre for Public Health, Queen's University Belfast, Belfast, United Kingdom
- Eye and Vision Institute, The Medical City, Pasig, Philippines
| | - Dinah Zur
- Ophthalmology Division, Tel Aviv Medical Center, affiliated to Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel
| | - Tunde Peto
- Centre for Public Health, Queen's University Belfast, Belfast, United Kingdom
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10
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Oddone F, Rossetti L, Parravano M, Sbardella D, Coletta M, Ziccardi L, Roberti G, Carnevale C, Romano D, Manni G, Parisi V. Citicoline in Ophthalmological Neurodegenerative Disease: A Comprehensive Review. Pharmaceuticals (Basel) 2021; 14:281. [PMID: 33804675 PMCID: PMC8003774 DOI: 10.3390/ph14030281] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2021] [Revised: 03/17/2021] [Accepted: 03/18/2021] [Indexed: 12/12/2022] Open
Abstract
Cytidine 5'-diphosphocholine has been widely studied in systemic neurodegenerative diseases, like Alzheimer's disease, Parkinson's disease, and brain ischemia. The rationale for the use of citicoline in ophthalmological neurodegenerative diseases, including glaucoma, anterior ischemic optic neuropathy, and diabetic retinopathy, is founded on its multifactorial mechanism of action and the involvement in several metabolic pathways, including phospholipid homeostasis, mitochondrial dynamics, as well as cholinergic and dopaminergic transmission, all being involved in the complexity of the visual transmission. This narrative review is aimed at reporting both pre-clinical data regarding the involvement of citicoline in such metabolic pathways (including new insights about its role in the intracellular proteostasis through an interaction with the proteasome) and its effects on clinical psychophysical, electrophysiological, and morphological outcomes following its use in ophthalmological neurodegenerative diseases (including the results of the most recent prospective randomized clinical trials).
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Affiliation(s)
- Francesco Oddone
- IRCCS-Fondazione Bietti, Via Livenza, 3, 00198 Rome, Italy; (F.O.); (D.S.); (L.Z.); (G.R.); (C.C.); (V.P.)
| | - Luca Rossetti
- Eye Clinic, ASST Santi Paolo e Carlo, San Paolo Hospital, University of Milan, Via Antonio di Rudinì, 8, 20142 Milan, Italy; (L.R.); (D.R.)
| | - Mariacristina Parravano
- IRCCS-Fondazione Bietti, Via Livenza, 3, 00198 Rome, Italy; (F.O.); (D.S.); (L.Z.); (G.R.); (C.C.); (V.P.)
| | - Diego Sbardella
- IRCCS-Fondazione Bietti, Via Livenza, 3, 00198 Rome, Italy; (F.O.); (D.S.); (L.Z.); (G.R.); (C.C.); (V.P.)
| | - Massimo Coletta
- Department of Clinical Sciences and Translational Medicine, University of Rome Tor Vergata, Viale Oxford 81, 00133 Rome, Italy; (M.C.); (G.M.)
| | - Lucia Ziccardi
- IRCCS-Fondazione Bietti, Via Livenza, 3, 00198 Rome, Italy; (F.O.); (D.S.); (L.Z.); (G.R.); (C.C.); (V.P.)
| | - Gloria Roberti
- IRCCS-Fondazione Bietti, Via Livenza, 3, 00198 Rome, Italy; (F.O.); (D.S.); (L.Z.); (G.R.); (C.C.); (V.P.)
| | - Carmela Carnevale
- IRCCS-Fondazione Bietti, Via Livenza, 3, 00198 Rome, Italy; (F.O.); (D.S.); (L.Z.); (G.R.); (C.C.); (V.P.)
| | - Dario Romano
- Eye Clinic, ASST Santi Paolo e Carlo, San Paolo Hospital, University of Milan, Via Antonio di Rudinì, 8, 20142 Milan, Italy; (L.R.); (D.R.)
| | - Gianluca Manni
- Department of Clinical Sciences and Translational Medicine, University of Rome Tor Vergata, Viale Oxford 81, 00133 Rome, Italy; (M.C.); (G.M.)
| | - Vincenzo Parisi
- IRCCS-Fondazione Bietti, Via Livenza, 3, 00198 Rome, Italy; (F.O.); (D.S.); (L.Z.); (G.R.); (C.C.); (V.P.)
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