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Jee D, Park S, Kwon JW. Subretinal fluid in macular edema secondary to branch retinal vein occlusion. Sci Rep 2024; 14:13623. [PMID: 38871805 PMCID: PMC11176314 DOI: 10.1038/s41598-024-64047-y] [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: 03/01/2024] [Accepted: 06/04/2024] [Indexed: 06/15/2024] Open
Abstract
We identified characteristics of patients with subretinal fluid (SRF) in macular edema (ME) secondary to branch retinal vein occlusion (BRVO) and determined their clinical outcomes after anti-vascular endothelial growth factor (VEGF) treatment. Fifty-seven eyes of BRVO patients with ME were divided into two groups according to the presence or absence of SRF at diagnosis. We compared the aqueous profiles, ocular and systemic characteristics at baseline, and the clinical outcomes. The SRF group had significantly greater central subfield thickness (CST) values and poorer best-corrected visual acuity (BCVA) at baseline compared to the non-SRF group. The former group had significantly higher aqueous levels of interleukin-8, VEGF, and placental growth factor. CST reduction and BCVA improvement during treatment were significantly greater in the SRF group than in the non-SRF group. Consequently, CST values were significantly lower in the SRF group than in the non-SRF group at 12 months, when BCVA did not differ significantly between the two groups. The SRF group required more frequent anti-VEGF treatment over 12 months and exhibited a higher rate of macular atrophy. Based on the aqueous profiles and the number of treatments required, the presence of SRF in BRVO patients appears to be associated with higher disease activity.
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Affiliation(s)
- Donghyun Jee
- Department of Ophthalmology and Visual Science, St. Vincent's Hospital, College of Medicine, the Catholic University of Korea, Seoul, Korea
| | - Soyoung Park
- Department of Ophthalmology and Visual Science, St. Vincent's Hospital, College of Medicine, the Catholic University of Korea, Seoul, Korea
| | - Jin-Woo Kwon
- Department of Ophthalmology and Visual Science, St. Vincent's Hospital, College of Medicine, the Catholic University of Korea, Seoul, Korea.
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Tsai HR, Lin YJ, Yeh JI, Lin SM, Liu PPS, Chang YC, Lee YC, Loh CH, Huang HK. Use of Sodium-Glucose Co-Transporter 2 Inhibitors in Patients With Type 2 Diabetes and the Incidence of Retinal Vein Occlusion in Taiwan. Invest Ophthalmol Vis Sci 2024; 65:19. [PMID: 38864813 PMCID: PMC11174139 DOI: 10.1167/iovs.65.6.19] [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: 01/07/2024] [Accepted: 05/05/2024] [Indexed: 06/13/2024] Open
Abstract
Purpose The purpose of this study was to evaluate the risk of newly diagnosed retinal vein occlusion (RVO) in patients with type 2 diabetes (T2D) using sodium-glucose cotransporter-2 inhibitors (SGLT-2i) compared to dipeptidyl peptidase-4 inhibitors (DPP-4i). Methods Claims data from the National Health Insurance Research Database of Taiwan were used in this nationwide retrospective cohort study. A target trial emulation framework was applied. Patients with T2D with no prior diagnosis of RVO who had newly commenced treatment with SGLT-2i or DPP-4i between May 1, 2016, and December 31, 2020, were included. Potential systematic differences in baseline characteristics between the paired groups were controlled using stabilized inverse probability of treatment weighting. The outcome of interest was incident RVO. The hazard ratio (HR) for SGLT-2i compared with that of DPP-4i was estimated using a Cox regression model. Results Data from 123,567 and 578,665 patients receiving SGLT-2i and DPP-4i, respectively, were analyzed. The incidence of RVO was lower in patients newly receiving SGLT-2i (0.59 events per 1000 person-years) compared to those receiving DPP-4i (0.77 events per 1000 person-years) over a mean follow-up of 1.61 years. SGLT-2i users had a significantly lower risk of developing RVO compared with DPP-4i users (HR = 0.76, 95% confidence interval [CI] = 0.59-0.98). In the individual outcome analysis, SGLT-2i use was significantly associated with a lower risk of branch RVO (HR = 0.71, 95% CI = 0.52-0.96), but not central RVO (HR = 0.84, 95% CI = 0.57-1.24). Conclusions The risk of developing RVO was lower in patients with T2D receiving SGLT-2i compared with that in those receiving DPP-4i.
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Affiliation(s)
- Hou-Ren Tsai
- Department of Ophthalmology, Hualien Tzu Chi Hospital, Buddhist Tzu Chi Medical Foundation, Hualien, Taiwan
| | - Yu-Jie Lin
- Health Information Center, Tzu Chi University, Hualien, Taiwan
| | - Jih-I Yeh
- School of Medicine, Tzu Chi University, Hualien, Taiwan
- Department of Family Medicine, Hualien Tzu Chi Hospital, Buddhist Tzu Chi Medical Foundation, Hualien, Taiwan
| | - Shu-Man Lin
- School of Medicine, Tzu Chi University, Hualien, Taiwan
- Department of Physical Medicine and Rehabilitation, Hualien Tzu Chi Hospital, Buddhist Tzu Chi Medical Foundation, Hualien, Taiwan
| | - Peter Pin-Sung Liu
- Center for Aging and Health, Hualien Tzu Chi Hospital, Buddhist Tzu Chi Medical Foundation, Hualien, Taiwan
- Institute of Medical Sciences, Tzu Chi University, Hualien, Taiwan
| | - Yung-Ching Chang
- Department of Ophthalmology, Hualien Tzu Chi Hospital, Buddhist Tzu Chi Medical Foundation, Hualien, Taiwan
| | - Yuan-Chieh Lee
- Department of Ophthalmology, Hualien Tzu Chi Hospital, Buddhist Tzu Chi Medical Foundation, Hualien, Taiwan
- Department of Ophthalmology and Visual Science, Tzu Chi University, Hualien, Taiwan
| | - Ching-Hui Loh
- School of Medicine, Tzu Chi University, Hualien, Taiwan
- Center for Aging and Health, Hualien Tzu Chi Hospital, Buddhist Tzu Chi Medical Foundation, Hualien, Taiwan
| | - Huei-Kai Huang
- School of Medicine, Tzu Chi University, Hualien, Taiwan
- Department of Family Medicine, Hualien Tzu Chi Hospital, Buddhist Tzu Chi Medical Foundation, Hualien, Taiwan
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Sun G, Wang X, Yi Z, Su Y, He L, Zheng H, Chen C. RELATIONSHIP BETWEEN RETINAL HEMORRHAGE ON GREEN AND RED CHANNELS OF ULTRA-WIDEFIELD FUNDUS IMAGES AND RETINAL PERFUSION IN ACUTE BRANCH RETINAL VEIN OCCLUSION. Retina 2024; 44:887-894. [PMID: 38165995 DOI: 10.1097/iae.0000000000004030] [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: 01/04/2024]
Abstract
PURPOSE To explore the relationship between retinal hemorrhage in the green and red channels on ultra-widefield fundus images and the nonperfusion area (NPA) on ultra-widefield fundus fluorescein angiography in patients with acute branch retinal vein occlusion (BRVO). METHODS This was a retrospective cross-sectional study with 96 patients, including 46 with ischemic BRVO and 50 with nonischemic BRVO. Correlation analysis between green channel hemorrhage (GCH), red channel hemorrhage (RCH), and NPA was performed. Panretina was divided into posterior and peripheral areas. RESULTS Ischemic BRVO showed significantly higher GCH% and RCH% than nonischemic BRVO in the peripheral regions (both P < 0.001), whereas no significant differences were observed in the panretinal and posterior areas (all P > 0.05). Significant correlations were found between NPA% in the panretinal and peripheral areas and the corresponding GCH% and RCH% (all P < 0.01). However, no significant correlation was observed between posterior NPA% and posterior GCH% or RCH% (both P > 0.05). In addition, peripheral GCH% and RCH% were related to panretinal NPA% (r = 0.506, P < 0.001; r = 0.558, P < 0.001). CONCLUSION Retinal hemorrhage on ultra-widefield fundus image was significantly associated with NPA, providing insights for assessing retinal perfusion status in acute BRVO patients.
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Affiliation(s)
- Gongpeng Sun
- Eye Center, Renmin Hospital of Wuhan University, Wuhan, China ; and
| | - Xiaoling Wang
- Eye Center, Renmin Hospital of Wuhan University, Wuhan, China ; and
| | - Zuohuizi Yi
- Eye Center, Renmin Hospital of Wuhan University, Wuhan, China ; and
| | - Yu Su
- Eye Center, Renmin Hospital of Wuhan University, Wuhan, China ; and
| | - Lu He
- Physical Examination Center, Renmin Hospital of Wuhan University, Wuhan, China
| | - Hongmei Zheng
- Eye Center, Renmin Hospital of Wuhan University, Wuhan, China ; and
| | - Changzheng Chen
- Eye Center, Renmin Hospital of Wuhan University, Wuhan, China ; and
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Sun G, Wang X, Tian M, Yi Z, Xu A, He L, Zheng H, Chen C. Relationship between ischemic index, leakage index, and macular edema in branch retinal vein occlusion. Graefes Arch Clin Exp Ophthalmol 2024; 262:1499-1506. [PMID: 38147156 DOI: 10.1007/s00417-023-06343-3] [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: 09/04/2023] [Revised: 11/26/2023] [Accepted: 12/12/2023] [Indexed: 12/27/2023] Open
Abstract
PURPOSE To investigate the combined association of the ischemic index and leakage index with macular edema on ultra-widefield fluorescein angiography (UWFFA) in patients with branch retinal vein occlusion (BRVO). METHODS Retrospective image analysis study. The leakage index and ischemic index were calculated using Fiji after aligning early and late UWFFA images. Differences in the ischemic index, leakage index, and central macular thickness (CMT) between ischemic and non-ischemic BRVO were compared. Moreover, the association between the ischemic index, leakage index, and macular edema was analyzed. RESULTS Eighty-three patients with BRVO were enrolled, including 53 non-ischemic BRVO and 30 ischemic BRVO patients. No significant differences were observed in leakage index and CMT between ischemic BRVO and non-ischemic BRVO (all P > 0.05). In all included patients, CMT correlated with the panretina and all subregion leakage indexes (all P < 0.01), but not with the ischemic index (all P > 0.05). In the ischemic BRVO group, CMT showed a correlation with the leakage index in several regions, but not with the ischemic index. After adjusting for the ischemic index and other clinical features, CMT remained significantly correlated with the leakage index in all regions. CONCLUSION The leakage index may be a more effective biomarker for monitoring BRVO-associated macular edema compared to the ischemic index. Further follow-up studies are warranted to validate these findings.
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Affiliation(s)
- Gongpeng Sun
- Eye Center, Renmin Hospital of Wuhan University, No. 9 ZhangZhiDong Street, Wuchang District, Wuhan, 430060, China
| | - Xiaoling Wang
- Eye Center, Renmin Hospital of Wuhan University, No. 9 ZhangZhiDong Street, Wuchang District, Wuhan, 430060, China
| | - Miao Tian
- Eye Center, Renmin Hospital of Wuhan University, No. 9 ZhangZhiDong Street, Wuchang District, Wuhan, 430060, China
| | - Zuohuizi Yi
- Eye Center, Renmin Hospital of Wuhan University, No. 9 ZhangZhiDong Street, Wuchang District, Wuhan, 430060, China
| | - Amin Xu
- Eye Center, Renmin Hospital of Wuhan University, No. 9 ZhangZhiDong Street, Wuchang District, Wuhan, 430060, China
| | - Lu He
- Eye Center, Renmin Hospital of Wuhan University, No. 9 ZhangZhiDong Street, Wuchang District, Wuhan, 430060, China
| | - Hongmei Zheng
- Eye Center, Renmin Hospital of Wuhan University, No. 9 ZhangZhiDong Street, Wuchang District, Wuhan, 430060, China
| | - Changzheng Chen
- Eye Center, Renmin Hospital of Wuhan University, No. 9 ZhangZhiDong Street, Wuchang District, Wuhan, 430060, China.
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Prem Senthil M, Kurban C, Thuy Nguyen N, Nguyen AP, Chakraborty R, Delaney C, Clark R, Anand S, Bhardwaj H. Role of noninvasive ocular imaging as a biomarker in peripheral artery disease (PAD): A systematic review. Vasc Med 2024; 29:215-222. [PMID: 38054219 PMCID: PMC11010562 DOI: 10.1177/1358863x231210866] [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] [Indexed: 12/07/2023]
Abstract
This study aimed to review the current literature exploring the utility of noninvasive ocular imaging for the diagnosis of peripheral artery disease (PAD). Our search was conducted in early April 2022 and included the databases Medline, Scopus, Embase, Cochrane, and others. Five articles were included in the final review. Of the five studies that used ocular imaging in PAD, two studies used retinal color fundus photography, one used optical coherence tomography (OCT), and two used optical coherence tomography angiography (OCTA) to assess the ocular changes in PAD. PAD was associated with both structural and functional changes in the retina. Structural alterations around the optic disc and temporal retinal vascular arcades were seen in color fundus photography of patients with PAD compared to healthy individuals. The presence of retinal hemorrhages, exudates, and microaneurysms in color fundus photography was associated with an increased future risk of PAD, especially the severe form of the disease. The retinal nerve fiber layer (RNFL) was significantly thinner in the nasal quadrant in patients with PAD compared to age-matched healthy individuals in OCT. Similarly, the choroidal thickness in the subfoveal region was significantly thinner in patients with PAD compared to controls. Patients with PAD also had a significant reduction in the retinal and choroidal circulation in OCTA compared to healthy controls. As PAD causes thinning and ischemic changes in retinal vessels, examination of the retinal vessels using retinal imaging techniques can provide useful information about early microvascular damage in PAD. Ocular imaging could potentially serve as a biomarker for PAD. PROSPERO ID: CRD42022310637.
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Affiliation(s)
- Mallika Prem Senthil
- College of Nursing and Health Sciences, Caring Futures Institute, Flinders University, Adelaide, SA, Australia
| | - Chroran Kurban
- College of Nursing and Health Sciences, Caring Futures Institute, Flinders University, Adelaide, SA, Australia
| | - Ngoc Thuy Nguyen
- College of Nursing and Health Sciences, Caring Futures Institute, Flinders University, Adelaide, SA, Australia
| | - Anh-Phuong Nguyen
- College of Nursing and Health Sciences, Caring Futures Institute, Flinders University, Adelaide, SA, Australia
| | - Ranjay Chakraborty
- College of Nursing and Health Sciences, Caring Futures Institute, Flinders University, Adelaide, SA, Australia
| | - Christopher Delaney
- Department of Vascular and Endovascular Surgery, Flinders Medical Centre, Adelaide, SA, Australia
| | - Robyn Clark
- College of Nursing and Health Sciences, Caring Futures Institute, Flinders University, Adelaide, SA, Australia
| | - Saumya Anand
- College of Nursing and Health Sciences, Caring Futures Institute, Flinders University, Adelaide, SA, Australia
| | - Heena Bhardwaj
- College of Nursing and Health Sciences, Caring Futures Institute, Flinders University, Adelaide, SA, Australia
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Wang Y, Zhang S, Zhong W, Chen H, Zhao Y, Song H, Wong TY, Chen Y, Zhang Y, Zhao C. Development of high-performance point-of-care aqueous VEGF detection system and proof-of-concept validation in RVO patients. Clin Chem Lab Med 2024; 62:472-483. [PMID: 37843302 DOI: 10.1515/cclm-2023-0749] [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: 07/17/2023] [Accepted: 09/25/2023] [Indexed: 10/17/2023]
Abstract
OBJECTIVES To develop a sensitive point-of-care testing (POCT) aqueous vascular endothelial growth factor (VEGF) detection system, and assess its role for predicting the response to anti-VEGF treatment in macular edema secondary to retinal vein occlusion (RVO-ME) patients. METHODS An automatic point-of-care aqueous humor Magnetic Particle Chemiluminescence Enzyme Immuno-Assay (MPCLEIA) VEGF detection system was developed. The predictive values of aqueous cytokine levels, in combination with imaging parameters, on anatomical treatment response (ATR, the relative central macular thickness change [ΔCMT/bl-CMT]) were analyzed. RESULTS The automatic MPCLEIA system was able to provide results in 45 min with only 20 μL sample. Among the 57 eyes with available pre- and post-treatment evaluation, ATR significantly correlated with levels of interleukin (IL)-6, IL-8, monocyte chemoattractant protein-1 (MCP-1) and VEGF measured by Luminex xMAP platform, and VEGF measured by MPCLEIA. Optimal cut-off values for these biomarkers were 13.26 ng/L, 23.57 ng/L, 1,110.12 ng/L, 105.52 ng/L, and 85.39 ng/L, respectively. Univariate analysis showed significant associations between ATR category (good response if ATR≤-25 % or poor response otherwise) and IL-6, IL-8, MCP-1, VEGF-xMAP, and VEGF-MPCLEIA (p<0.05). Multivariate logistic regression revealed that ATR category was significantly associated with aqueous VEGF-MPCLEIA (p=0.006) and baseline(bl)-CMT (p=0.008). Receiver operating characteristics analysis yielded an AUC of 0.959 for the regression model combining VEGF-MPCLEIA and bl-CMT, for predicting ATR category. CONCLUSIONS Our novel MPCLEIA-based automatic VEGF detection system enables accurate POCT of aqueous VEGF, which shows promise in predicting the treatment response of RVO-ME to anti-VEGF agents when combined with bl-CMT.
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Affiliation(s)
- Yuelin Wang
- Department of Ophthalmology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences, Beijing, P.R. China
- Key Laboratory of Ocular Fundus Diseases, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, P.R. China
| | - Siqi Zhang
- Department of Ophthalmology, Shaanxi Eye Hospital, Xi'an People's Hospital (Xi'an Fourth Hospital), Affiliated People's Hospital of Northwest University, Xi'an, P.R. China
| | - Weixing Zhong
- Sightnovo Medical Technology Co., Ltd., Beijing, P.R. China
| | - Huan Chen
- Department of Ophthalmology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences, Beijing, P.R. China
- Key Laboratory of Ocular Fundus Diseases, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, P.R. China
| | - Yiming Zhao
- Columbia University Mailman School of Public Health, New York, NY, USA
| | - Hang Song
- Department of Ophthalmology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences, Beijing, P.R. China
- Key Laboratory of Ocular Fundus Diseases, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, P.R. China
| | - Tien Yin Wong
- School of Clinical Medicine, Beijing Tsinghua Changgung Hospital, Tsinghua University, Beijing, P.R. China
| | - Youxin Chen
- Department of Ophthalmology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences, Beijing, P.R. China
- Key Laboratory of Ocular Fundus Diseases, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, P.R. China
| | - Yanchun Zhang
- Department of Ophthalmology, Shaanxi Eye Hospital, Xi'an People's Hospital (Xi'an Fourth Hospital), Affiliated People's Hospital of Northwest University, Xi'an, P.R. China
| | - Chan Zhao
- Department of Ophthalmology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences, Beijing, P.R. China
- Key Laboratory of Ocular Fundus Diseases, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, P.R. China
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Shor R, Segal O, Barequet D, Greenbaum E, Trivizki O, Loewenstein A, Rabina G. Branch retinal vein occlusion treated with anti-VEGF: to switch or not to switch? CANADIAN JOURNAL OF OPHTHALMOLOGY 2024:S0008-4182(24)00033-4. [PMID: 38395414 DOI: 10.1016/j.jcjo.2024.01.016] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/18/2023] [Revised: 12/11/2023] [Accepted: 01/29/2024] [Indexed: 02/25/2024]
Abstract
OBJECTIVE To evaluate visual outcomes after switching from bevacizumab to ranibizumab or aflibercept in patients with macular edema (ME) secondary to branch retinal vein occlusion (BRVO). DESIGN A retrospective, multi-center, observational study. PARTICIPANTS Patients diagnosed with BRVO and were treated with at least 3 bevacizumab injections, before anti VEGF switch. METHODS The follow-up period was 36 months, and the primary study outcomes assessed changes in best corrected visual acuity (BCVA) after anti VEGF switch. RESULTS A total of 263 eyes of 263 patients with a mean age of 71.5 ± 11.2 years of which 50% were of male gender met the inclusion criteria. Of them, 175 eyes did not undergo switch, whereas 88 eyes underwent anti-VEGF switch. There was not a significant difference in mean age (p = 0.634) and gender (p = 0.269) between the groups. Baseline BCVA of the no-switch group was 0.47 ± 0.43 logMAR (20/59 Snellen) versus 0.6 ± 0.49 logMAR (20/79 Snellen) (p = 0.031) in the switch group, and at 36-months it was 0.41 ± 0.39 (20/51 Snellen) logMAR versus 0.54 ± 0.49 logMAR (20/69 Snellen) (p = 0.035), respectively. The difference between the rate of change in BCVA per year was insignificant between groups (p = 0.414). In multivariate analysis, baseline BCVA was the single significant predictor for switch (beta 0.137, p = 0.035). Patients with more than one anti-VEGF switch suffer from decrease in BCVA. CONCLUSIONS Worse baseline BCVA is a significant predictor for anti-VEGF switch execution, though the switch has no significant impact on the change in BCVA over time. Multiple anti-VEGF switch is not recommended.
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Affiliation(s)
- Reut Shor
- Department of Ophthalmology, Tel Aviv Sourasky Medical Center, affiliated to the Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel
| | - Ori Segal
- Department of Ophthalmology, Meir Medical Center, Kfar Saba, affiliated to the Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel
| | - Dana Barequet
- Department of Ophthalmology, Tel Aviv Sourasky Medical Center, affiliated to the Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel
| | - Eran Greenbaum
- Department of Ophthalmology, Meir Medical Center, Kfar Saba, affiliated to the Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel
| | - Omer Trivizki
- Department of Ophthalmology, Tel Aviv Sourasky Medical Center, affiliated to the Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel
| | - Anat Loewenstein
- Department of Ophthalmology, Tel Aviv Sourasky Medical Center, affiliated to the Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel
| | - Gilad Rabina
- Department of Ophthalmology, Tel Aviv Sourasky Medical Center, affiliated to the Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel.
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Zhao XY, Zhao Q, Wang CT, Meng LH, Cheng SY, Gu XW, Sadda SR, Chen YX. Central and Peripheral Changes in Retinal Vein Occlusion and Fellow Eyes in Ultra-Widefield Optical Coherence Tomography Angiography. Invest Ophthalmol Vis Sci 2024; 65:6. [PMID: 38306106 PMCID: PMC10851174 DOI: 10.1167/iovs.65.2.6] [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: 07/30/2023] [Accepted: 12/26/2023] [Indexed: 02/03/2024] Open
Abstract
Purpose To explore the central and peripheral retinal and choroidal changes in retinal vein occlusion (RVO) and fellow eyes using ultra-widefield swept-source optical coherence tomography angiography (UWF-SS-OCTA). Methods Fifteen ischemic central RVO (CRVO), 15 branch RVO (BRVO), and 15 age-matched healthy controls were prospectively recruited. Retinal and choroidal parameters, including retinal vessel flow density (VFD) and vessel linear density (VLD), choroidal vascularity volume (CVV), choroidal vascularity index (CVI), and VFD in the large and medium choroidal vessels (LMCV-VFD), were measured in the central and peripheral regions of the 24 × 20-mm UWF-SS-OCTA images. Results Ischemic CRVO and BRVO eyes showed increased foveal avascular zone area, perimeter, and acircularity index (AI) compared to their fellow eyes and healthy control eyes, and RVO fellow eyes also had larger AI values than controls (P < 0.05). For ischemic CRVO and BRVO eyes versus control eyes, VFD, VLD, CVV, CVI, and LMCV-VFD decreased, but retinal thickness and volume in the superficial capillary plexus, deep capillary plexus, and whole retina increased (P < 0.05). Moreover, RVO fellow eyes also showed significantly decreased retinal VFD, LMCV-VFD, and CVI, as well as increased retinal thickness and volume, compared with control eyes (P < 0.05). Alterations were not consistent throughout the retina, as they involved only the peripheral or central regions in some cases. Conclusions The affected and unaffected fellow eyes of RVO patients both demonstrated central and/or peripheral structural and vascular alterations in the retina and choroid. Because UWF-SS-OCTA enables visualization and evaluation of the vasculature outside the posterior pole, it presents a promising approach to more fully characterize vascular alterations in RVO.
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Affiliation(s)
- Xin-yu Zhao
- Department of Ophthalmology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences, Beijing, China
- Key Laboratory of Ocular Fundus Diseases, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, China
| | - Qing Zhao
- Department of Ophthalmology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences, Beijing, China
- Key Laboratory of Ocular Fundus Diseases, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, China
| | - Chu-ting Wang
- Department of Ophthalmology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences, Beijing, China
- Key Laboratory of Ocular Fundus Diseases, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, China
| | - Li-hui Meng
- Department of Ophthalmology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences, Beijing, China
- Key Laboratory of Ocular Fundus Diseases, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, China
| | - Shi-yu Cheng
- Department of Ophthalmology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences, Beijing, China
- Key Laboratory of Ocular Fundus Diseases, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, China
| | - Xing-wang Gu
- Department of Ophthalmology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences, Beijing, China
- Key Laboratory of Ocular Fundus Diseases, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, China
| | - Srinivas R. Sadda
- Doheny Eye Institute, Pasadena, California, United States
- Department of Ophthalmology, David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, California, United States
| | - You-xin Chen
- Department of Ophthalmology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences, Beijing, China
- Key Laboratory of Ocular Fundus Diseases, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, China
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Park C, Lee JH, Park YG. Changes in Neurodegeneration and Visual Prognosis in Branch Retinal Vein Occlusion after Resolution of Macular Edema. J Clin Med 2024; 13:812. [PMID: 38337506 PMCID: PMC10856372 DOI: 10.3390/jcm13030812] [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: 11/14/2023] [Revised: 12/24/2023] [Accepted: 01/17/2024] [Indexed: 02/12/2024] Open
Abstract
This study aimed to examine the thicknesses of the ganglion cell layer (GCL) and peripapillary retinal nerve fiber layer (RNFL) in eyes with resolved macular edema (ME) in branch retinal vein occlusion (BRVO) and determine their relationship with visual acuity (VA). This retrospective observational case-control study included 57 eyes of BRVO patients with resolved ME after treatment. The macular GCL thickness, peripapillary RNFL thickness, and central macular thickness (CMT) measured on swept-source optical coherence tomography scans with the contralateral eyes used as controls were evaluated. The mean CMT was 270.48 ± 32.7 μm; the mean RNFL thickness was 105.46 ± 25.94 μm in BRVO eyes. Although the average RNFL thickness was decreased in BRVO eyes compared to unaffected eyes, there was no significant difference between the groups. However, the temporal and nasal RNFL thicknesses were significantly different between the groups. The mean affected quadrant had a significantly thinner GCL compared to the corresponding opposite unaffected quadrant (p = 0.02). Final VA was significantly correlated with nasal and middle GCL thicknesses in the affected area (r = -0.512, p = 0.003 and r = -0.537, p = 0.001, respectively); no correlation was found between the average RNFL thickness and mean CMT. The peripapillary RNFL and GCL thicknesses of the affected area were reduced in BRVO eyes compared to unaffected eyes. VA significantly correlated with nasal and middle GCL thicknesses in the affected area. Inner retinal damage occurring in patients with ME secondary to BRVO may be related to the visual prognosis.
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Affiliation(s)
- Chanjoon Park
- Department of Ophthalmology and Visual Science, Seoul St. Mary’s Hospital, College of Medicine, The Catholic University of Korea, Seoul 06591, Republic of Korea;
| | - Ji Ho Lee
- Catholic Institute for Visual Science, College of Medicine, The Catholic University of Korea, Seoul 06591, Republic of Korea;
| | - Young Gun Park
- Department of Ophthalmology and Visual Science, Seoul St. Mary’s Hospital, College of Medicine, The Catholic University of Korea, Seoul 06591, Republic of Korea;
- Catholic Institute for Visual Science, College of Medicine, The Catholic University of Korea, Seoul 06591, Republic of Korea;
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10
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Li W, Bian L, Ma B, Sun T, Liu Y, Sun Z, Zhao L, Feng K, Yang F, Wang X, Chan S, Dou H, Qi H. Interpretable Detection of Diabetic Retinopathy, Retinal Vein Occlusion, Age-Related Macular Degeneration, and Other Fundus Conditions. Diagnostics (Basel) 2024; 14:121. [PMID: 38247998 DOI: 10.3390/diagnostics14020121] [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: 11/15/2023] [Revised: 12/23/2023] [Accepted: 12/27/2023] [Indexed: 01/23/2024] Open
Abstract
Diabetic retinopathy (DR), retinal vein occlusion (RVO), and age-related macular degeneration (AMD) pose significant global health challenges, often resulting in vision impairment and blindness. Automatic detection of these conditions is crucial, particularly in underserved rural areas with limited access to ophthalmic services. Despite remarkable advancements in artificial intelligence, especially convolutional neural networks (CNNs), their complexity can make interpretation difficult. In this study, we curated a dataset consisting of 15,089 color fundus photographs (CFPs) obtained from 8110 patients who underwent fundus fluorescein angiography (FFA) examination. The primary objective was to construct integrated models that merge CNNs with an attention mechanism. These models were designed for a hierarchical multilabel classification task, focusing on the detection of DR, RVO, AMD, and other fundus conditions. Furthermore, our approach extended to the detailed classification of DR, RVO, and AMD according to their respective subclasses. We employed a methodology that entails the translation of diagnostic information obtained from FFA results into CFPs. Our investigation focused on evaluating the models' ability to achieve precise diagnoses solely based on CFPs. Remarkably, our models showcased improvements across diverse fundus conditions, with the ConvNeXt-base + attention model standing out for its exceptional performance. The ConvNeXt-base + attention model achieved remarkable metrics, including an area under the receiver operating characteristic curve (AUC) of 0.943, a referable F1 score of 0.870, and a Cohen's kappa of 0.778 for DR detection. For RVO, it attained an AUC of 0.960, a referable F1 score of 0.854, and a Cohen's kappa of 0.819. Furthermore, in AMD detection, the model achieved an AUC of 0.959, an F1 score of 0.727, and a Cohen's kappa of 0.686. Impressively, the model demonstrated proficiency in subclassifying RVO and AMD, showcasing commendable sensitivity and specificity. Moreover, our models enhanced interpretability by visualizing attention weights on fundus images, aiding in the identification of disease findings. These outcomes underscore the substantial impact of our models in advancing the detection of DR, RVO, and AMD, offering the potential for improved patient outcomes and positively influencing the healthcare landscape.
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Affiliation(s)
- Wenlong Li
- Department of Ophthalmology, Peking University Third Hospital, Beijing 100191, China
- Beijing Key Laboratory of Restoration of Damaged Ocular Nerve, Beijing 100191, China
| | - Linbo Bian
- Department of Ophthalmology, Peking University Third Hospital, Beijing 100191, China
- Beijing Key Laboratory of Restoration of Damaged Ocular Nerve, Beijing 100191, China
| | - Baikai Ma
- Department of Ophthalmology, Peking University Third Hospital, Beijing 100191, China
- Beijing Key Laboratory of Restoration of Damaged Ocular Nerve, Beijing 100191, China
| | - Tong Sun
- Department of Ophthalmology, Peking University Third Hospital, Beijing 100191, China
- Beijing Key Laboratory of Restoration of Damaged Ocular Nerve, Beijing 100191, China
| | - Yiyun Liu
- Department of Ophthalmology, Peking University Third Hospital, Beijing 100191, China
- Beijing Key Laboratory of Restoration of Damaged Ocular Nerve, Beijing 100191, China
| | - Zhengze Sun
- Department of Ophthalmology, Peking University Third Hospital, Beijing 100191, China
- Beijing Key Laboratory of Restoration of Damaged Ocular Nerve, Beijing 100191, China
| | - Lin Zhao
- Department of Ophthalmology, Peking University Third Hospital, Beijing 100191, China
- Beijing Key Laboratory of Restoration of Damaged Ocular Nerve, Beijing 100191, China
| | - Kang Feng
- Department of Ophthalmology, Peking University Third Hospital, Beijing 100191, China
- Beijing Key Laboratory of Restoration of Damaged Ocular Nerve, Beijing 100191, China
| | - Fan Yang
- Department of Ophthalmology, Peking University Third Hospital, Beijing 100191, China
- Beijing Key Laboratory of Restoration of Damaged Ocular Nerve, Beijing 100191, China
| | - Xiaona Wang
- Department of Ophthalmology, Peking University Third Hospital, Beijing 100191, China
- Beijing Key Laboratory of Restoration of Damaged Ocular Nerve, Beijing 100191, China
| | - Szyyann Chan
- Department of Ophthalmology, Peking University Third Hospital, Beijing 100191, China
- Beijing Key Laboratory of Restoration of Damaged Ocular Nerve, Beijing 100191, China
| | - Hongliang Dou
- Department of Ophthalmology, Peking University Third Hospital, Beijing 100191, China
- Beijing Key Laboratory of Restoration of Damaged Ocular Nerve, Beijing 100191, China
| | - Hong Qi
- Department of Ophthalmology, Peking University Third Hospital, Beijing 100191, China
- Beijing Key Laboratory of Restoration of Damaged Ocular Nerve, Beijing 100191, China
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Lee MY, Han K, Koo HYR, Yu DS, Lee YB. PSORIASIS INCREASES RETINAL VEIN OCCLUSION RISK IN DIABETIC PATIENTS: A Nationwide Population-Based Study. Retina 2024; 44:151-158. [PMID: 37606285 DOI: 10.1097/iae.0000000000003916] [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: 08/23/2023]
Abstract
PURPOSE The objective of this research was to explore how psoriasis is linked to the occurrence of retinal vein occlusion (RVO) in diabetic population. METHODS This was a retrospective, nationwide, population-based cohort study that examined medical records from January 2009 to December 2012. The study focused on patients ≥20 years of age who had been diagnosed with Type 2 diabetes mellitus (DM). The authors compared the incidence rate of RVO between a group of patients with psoriasis and a group of patients without psoriasis until December 2018 in all subjects. RESULTS Of the 2,745,689 Type 2 DM patients, 23,725 patients were classified in the psoriasis group and the rest of the 2,547,121 individuals in the control group. A total of 497 RVO cases occurred in the psoriasis group (3.14/1,000 person-years) and 42,388 RVO cases in the control group (2.44/1,000 person-years). According to multivariable Cox proportional hazard models, individuals with psoriasis had a significantly greater risk of developing RVO compared with control subjects (hazard ratio: 1.216, 95% confidence interval: 1.11-1.33) after adjustments for covariates. CONCLUSION This study demonstrated that psoriasis was an independent risk factor for developing RVO in DM patients. Therefore, physicians need to be vigilant for the occurrence of RVO in DM patients who also have psoriasis.
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Affiliation(s)
- Mee Yon Lee
- Department of Ophthalmology, College of Medicine, The Catholic University of Korea, Republic of Korea
| | - Kyungdo Han
- Department of Statistics and Actuarial Science, College of Natural Sciences, Soongsil University, Republic of Korea; and
| | - Ha Yeh Rin Koo
- Department of Dermatology, College of Medicine, The Catholic University of Korea, Republic of Korea
| | - Dong Soo Yu
- Department of Dermatology, College of Medicine, The Catholic University of Korea, Republic of Korea
| | - Young Bok Lee
- Department of Dermatology, College of Medicine, The Catholic University of Korea, Republic of Korea
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12
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Marongiu F, Ruberto MF, Marongiu S, Mameli A, Barcellona D. Do we need more guidance on thrombophilia testing? Challenges and special considerations. Expert Rev Hematol 2024; 17:27-37. [PMID: 38228491 DOI: 10.1080/17474086.2024.2306821] [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: 11/23/2023] [Accepted: 01/15/2024] [Indexed: 01/18/2024]
Abstract
INTRODUCTION Thrombophilia testing (TT) is a laboratory procedure designed to detect the risk factors involved in the pathogenesis of vascular occlusions. The role of TT is also controversial because it has a limited impact on the choice and duration of antithrombotic treatments. AREAS COVERED We reviewed, by examining MEDLINE up to October 2023. Accepted and not accepted thrombophilia markers are discussed along with the appropriateness or not of prescribing TT in several conditions such as: provoked and unprovoked venous thromboembolism (VTE), women who are planning a pregnancy whose relatives had VTE or have a hereditary thrombophilia, before assumption of estro-progestins, after multiple pregnant loss, arterial thrombosis, retinal vein occlusion, and splanchnic vein thrombosis. EXPERT OPINION TT is not essential in the management of VTE, but it may be useful for limiting adverse events in case of thrombophilia. We expose our criticism of items afforded by other guidelines by presenting our opinion based on both the scientific evidence and clinical practice. We also deal with common mistakes in prescribing and interpretations of TT hoping to purpose an educational approach on this topic. Finally, we emphasize the creation of the expert in hemostasis and thrombosis who should be present in every hospital.
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Affiliation(s)
- Francesco Marongiu
- Department of Medical Sciences and Public Health, University of Cagliari, Cagliari, Italy
- Haemostasis and Thrombosis Unit, Azienda Ospedaliera Universitaria of Cagliari, Cagliari, Italy
| | - Maria Filomena Ruberto
- Department of Medical Sciences and Public Health, University of Cagliari, Cagliari, Italy
| | - Silvia Marongiu
- Internal Medicine department, SS Trinità Hospital, ASL, Cagliari, Italy
| | - Antonella Mameli
- Haemostasis and Thrombosis Unit, Azienda Ospedaliera Universitaria of Cagliari, Cagliari, Italy
| | - Doris Barcellona
- Department of Medical Sciences and Public Health, University of Cagliari, Cagliari, Italy
- Haemostasis and Thrombosis Unit, Azienda Ospedaliera Universitaria of Cagliari, Cagliari, Italy
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13
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Choi Y, Kim SJ, Lee JJ, Zaidi MH, Shin YU, Byon IS, Lee JE, Park SW. Case series of branch retinal vein occlusion secondary to rhegmatogenous retinal detachment and its surgical management. BMC Ophthalmol 2023; 23:513. [PMID: 38110856 PMCID: PMC10729475 DOI: 10.1186/s12886-023-03244-1] [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: 09/06/2023] [Accepted: 11/24/2023] [Indexed: 12/20/2023] Open
Abstract
BACKGROUND To review cases of branch retinal vein occlusion (BRVO) secondary to rhegmatogenous retinal detachment (RRD) and its surgical management and presume their mechanism. METHODS Medical records of patients who underwent surgery for RRD between 2015 and 2019 at a single tertiary care center were retrospectively reviewed. New BRVO secondary to RRD or its surgical procedure was diagnosed based on the fundus examination and its clinical course. RESULTS A total of 734 RRD surgeries were performed for five years, and six cases of new BRVOs were noticed in the first year after surgery (incidence was 0.68%: six cases of BRVO / 734 cases of surgical RRD); five cases occurred after vitrectomy, and one occurred after scleral buckling. In three cases, retinal veins were presumed to already be partially occluded related due to a kink of the retinal vein seen before surgery. In the other three cases, the retinal veins were presumed to have incurred damage during vitrectomy. CONCLUSION In the present cohort, RRD or its related procedures caused BRVO within a year of surgery at an incidence of 0.68%. The proposed mechanisms are kinks of the retinal vein on the detached retina and damage to the retinal vein during vitrectomy.
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Affiliation(s)
- Youna Choi
- Department of Ophthalmology, School of Medicine, Pusan National University, Pusan, South Korea
| | - Sung Jun Kim
- Department of Ophthalmology, School of Medicine, Pusan National University, Pusan, South Korea
| | - Jae Jung Lee
- Department of Ophthalmology, School of Medicine, Pusan National University, Pusan, South Korea
| | - Moosa Hasan Zaidi
- Spencer Center for Vision Research, Byers Eye Institute, Stanford University, Palo Alto, CA, USA
| | - Yong Un Shin
- Department of Ophthalmology, College of Medicine, Hanyang University, Seoul, South Korea
| | - Ik Soo Byon
- Department of Ophthalmology, School of Medicine, Pusan National University, Pusan, South Korea
| | - Ji Eun Lee
- Department of Ophthalmology, School of Medicine, Pusan National University, Pusan, South Korea
| | - Sung Who Park
- Department of Ophthalmology, School of Medicine, Pusan National University, Pusan, South Korea.
- Department of Ophthalmology, Pusan National University & Biomedical Research Institute, Pusan National University Hospital, 1-10 Ami-dong, Seo-gu, 602-739, Pusan, South Korea.
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14
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Si S, Chen A, Ji Y, Wang J. Poor response to first intravitreal injection for predicting unfavorable outcomes of retinal vein occlusion related macular edema. Eur J Ophthalmol 2023:11206721231214145. [PMID: 37968848 DOI: 10.1177/11206721231214145] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2023]
Abstract
PURPOSES To screen key indicators leading to unfavorable outcomes of retinal vein occlusion related macular edema (RVO-ME) within long-term follow-up duration and to evaluate their predictive values. METHODS A study involving patients with RVO-ME was conducted between April 2021 and September 2022. All eligible patients were divided into two groups (favorable and unfavorable group) according to their final best corrected visual acuity (BCVA) and whether neovascular glaucoma (NVG) occurred. The unfavorable group was further divided into subgroups 1 (with BCVA of ≥ 20/400 and < 20/60 and without NVG) and 2 (blindness group, with BCVA of < 20/400 or with NVG). Demographic, past medical history, ocular characteristics and blood parameters were compared between the groups. RESULTS A total of 73 eyes from 73 Chinese Han patients (34 males vs. 39 females) with RVO-ME were enrolled. In multivariable regression analysis of continuous variables for unfavorable results, 1-month BCVA after the first intravitreal injection (IVI) was an independent risk factor (odds ratios (ORs) = 2.313, 95% confidence interval (CI) 1.387-3.858, P = 0.001). The area under the curve (AUC) of 1-month BCVA after the first IVI for predicting low vision and blindness was 0.948 (95% CI 0.859-1.000, P < .001) and 0.892 (95% CI 0.744-1.000, P < .001), with a cut-off value of 0.65 logarithm of the minimum angle of resolution (log MAR) (Snellen 20/90) and 1.15 log MAR (Snellen 20/300), respectively. CONCLUSION The most valuable indicator for predicting low vision and blindness was poor 1-month BCVA after first IVI compared with favorable group.
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Affiliation(s)
- Shancheng Si
- Eye Center, Beijing Tsinghua Changgung Hospital, School of Clinical Medicine, Tsinghua University, Beijing, China
| | - Anming Chen
- Eye Center, Beijing Tsinghua Changgung Hospital, School of Clinical Medicine, Tsinghua University, Beijing, China
| | - Yicong Ji
- Eye Center, Beijing Tsinghua Changgung Hospital, School of Clinical Medicine, Tsinghua University, Beijing, China
| | - Jing Wang
- Eye Center, Beijing Tsinghua Changgung Hospital, School of Clinical Medicine, Tsinghua University, Beijing, China
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15
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Zhang JT, Cui S, Li Q, Li JR, Zhang YF, Zheng YH. Sleep-disordered breathing is related to retinal vein occlusion: A meta-analysis. Medicine (Baltimore) 2023; 102:e35411. [PMID: 37832067 PMCID: PMC10578690 DOI: 10.1097/md.0000000000035411] [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: 06/29/2023] [Accepted: 09/05/2023] [Indexed: 10/15/2023] Open
Abstract
BACKGROUND Previous studies suggest that sleep-disordered breathing (SDB) may be a potential risk factor of retinal vein occlusion (RVO). We conducted a meta-analysis to systematically explore the relationship between RVO and SDB. METHODS Observational studies assessing the relationship between SDB and RVO were retrieved by searches of electronic databases including the PubMed, Embase, Web of Science, China National Knowledge Infrastructure, and Wan Fang databases from database inception to August 9, 2023. In consideration of intra-study heterogeneity, a random-effects model was adopted to combine the results. RESULTS Seven studies (1 retrospective cohort and 6 case-control studies) were included in this meta-analysis, and among 36,628 adults included in those studies, 6452 (17.6%) had SDB. The combined results indicated that SDB was associated with RVO [risk ratio (RR): 1.92, 95% confidence interval (CI): 1.60-2.30, P < .001] with no significant heterogeneity (I2 = 0%). Subgroup analyses showed consistent relationships between SDB and any RVO (RR: 1.73, 95% CI: 1.13-2.28, P < .001), central RVO (RR: 2.20, 95% CI: 1.57-3.08, P < .001), and branch RVO (RR: 1.85, 95% CI: 1.15-2.99, P = .01). Moreover, the relationship was consistent among patients with mild (RR: 1.82, 95% CI: 1.32-2.53, P < .001), moderate (RR: 2.17, 95% CI: 1.65-2.85, P < .001), and severe SDB (RR: 2.66, 95% CI: 1.96-3.62, P < .001). The association was consistent in studies that adjusted for age and sex (RR: 2.17, 95% CI: 1.50-3.13, P < .001), and in studies with additional adjustment for comorbidities (RR: 1.78, 95% CI: 1.42-2.25, P < .001). CONCLUSION SDB is associated with RVO in adults.
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Affiliation(s)
- Jun-Tao Zhang
- Department Ophthalmology, Xiangyang Central Hospital, Affiliated Hospital of Hubei University of Arts and Science, Xiangyang, China
| | - Sha Cui
- Department Ophthalmology, Xiangyang Central Hospital, Affiliated Hospital of Hubei University of Arts and Science, Xiangyang, China
| | - Qin Li
- Department Ophthalmology, Xiangyang Central Hospital, Affiliated Hospital of Hubei University of Arts and Science, Xiangyang, China
| | - Jin-Rong Li
- Department Ophthalmology, Xiangyang Central Hospital, Affiliated Hospital of Hubei University of Arts and Science, Xiangyang, China
| | - Yan-Fang Zhang
- Department Ophthalmology, Xiangyang Central Hospital, Affiliated Hospital of Hubei University of Arts and Science, Xiangyang, China
| | - Yan-Huang Zheng
- Department Ophthalmology, Xiangyang Central Hospital, Affiliated Hospital of Hubei University of Arts and Science, Xiangyang, China
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16
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Śpiewak D, Witek K, Drzyzga Ł, Mrukwa-Kominek E. An Analysis of Optical Coherence Tomography Angiography (OCT-A) Perfusion Density Maps in Patients Treated for Retinal Vein Occlusion with Intravitreal Aflibercept. Diagnostics (Basel) 2023; 13:3100. [PMID: 37835843 PMCID: PMC10572925 DOI: 10.3390/diagnostics13193100] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2023] [Revised: 09/18/2023] [Accepted: 09/25/2023] [Indexed: 10/15/2023] Open
Abstract
AIM The primary goal of this study was to evaluate the reduction in non-perfusion area and improvement in blood flow as well as the reduction in retinal edema on optical coherence tomography angiography (OCT-A) in patients with retinal vein occlusion treated with 2 mg intravitreal injections of aflibercept. MATERIAL AND METHODS Fifty eyes of nine patients with central retinal vein occlusion (CRVO) and sixteen patients with branch retinal vein occlusion (BRVO), aged 50 to 75 years, were collectively analyzed as retinal vein occlusion (RVO). The following parameters were analyzed: superficial vessel density (VDSF), deep vessel density (VDD), flow area in the outer retina (FAOR), choriocapillaris flow area (FACC), non-flow area (NFA) and the foveal avascular zone (FAZ). RESULTS OCT-A revealed a reduction in macular edema. The most significant change in central retinal thickness (CRT) was observed between measurement timepoint "5" and the baseline (46%). The non-flow area was also reduced. Following a significant decrease in superficial vessel density 30 days after the first dose of aflibercept, a non-significant increase was noted at the subsequent timepoints. An increase was also found in deep vessel density and choriocapillaris flow area. Improvements in the above OCT-A parameters resulted in increased retinal blood flow and improved visual acuity. CONCLUSIONS Patients with retinal vein occlusion treated with 2 mg aflibercept exhibited reduced macular edema and FAZ, increased vessel density, improved blood flow, and better visual acuity.
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Affiliation(s)
- Dorota Śpiewak
- Department of Ophthalmology, Prof. K. Gibiński University Clinical Center, Medical University of Silesia, 40-514 Katowice, Poland
| | - Katarzyna Witek
- Department of Ophthalmology, Prof. K. Gibiński University Clinical Center, Medical University of Silesia, 40-514 Katowice, Poland
| | - Łukasz Drzyzga
- Department of Ophthalmology, Prof. K. Gibiński University Clinical Center, Medical University of Silesia, 40-514 Katowice, Poland
| | - Ewa Mrukwa-Kominek
- Department of Ophthalmology, Prof. K. Gibiński University Clinical Center, Medical University of Silesia, 40-514 Katowice, Poland
- Department of Ophthalmology, Faculty of Medical Sciences in Katowice, Medical University of Silesia, 40-055 Katowice, Poland
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17
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Ding Y, Yao B, Ye H, Wang F. Etiological Factors and Visual Outcomes of Dense Vitreous Hemorrhage in Patients Aged 80 years and above over the Past Decade in a Tertiary General Hospital. J Ophthalmol 2023; 2023:8851207. [PMID: 37811536 PMCID: PMC10555502 DOI: 10.1155/2023/8851207] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2023] [Revised: 09/05/2023] [Accepted: 09/19/2023] [Indexed: 10/10/2023] Open
Abstract
This study aimed to investigate the main etiological factors and visual outcomes in patients with dense vitreous hemorrhage (DVH) aged ≥80 years. We retrospectively included patients with DVH aged ≥80 years who were admitted to our ophthalmology department between January 1, 2010, and December 31, 2019. All patients underwent pars plana vitrectomy (PPV). Data regarding demographic characteristics; preoperative and postoperative best-corrected visual acuity (BCVA), intraocular pressure (IOP), and ophthalmic B-scan ultrasonography findings; intraoperative conditions; and postoperative complications were collected and analyzed. A total of 44 patients (44 eyes) were enrolled, with a median age of 82 years; among them, 25 patients (56.82%) were men. The median preoperative BCVA was 2.3 (1.1-3.0). The main etiological factors included retinal vein occlusion (RVO) (20 eyes, 45.45%), polypoidal choroidal vasculopathy (PCV) (15 eyes, 34.09%), proliferative diabetic retinopathy (PDR) (7 eyes, 15.90%), retinal arterial macroaneurysm (RAM) (1 eye, 2.27%), and posterior vitreous detachment (PVD) (1 eye, 2.27%). The median final BCVA was 1.92 (0.5-2.6). There was a significant postoperative improvement in the BCVA; moreover, branch RVO (BRVO) had a better postoperative visual prognosis than central RVO (CRVO), PCV, and PDR (P < 0.05). The final postoperative BCVA was significantly better when the initial BCVA was above hand motion (HM) than when it was HM or lower (P < 0.05). Our findings indicate that RVO, PCV, and PDR were the main causes of DVH. Microinvasive PPV is a safe and effective method that can clarify diagnosis and improve BCVA. Patients with BRVO and preoperative BCVA > HM may have a relatively good visual prognosis. For patients aged ≥80 years who have an appropriate general condition, PPV can be timely performed to treat DVH.
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Affiliation(s)
- Yuhua Ding
- Department of Ophthalmology, Jiangsu Province Hospital, The First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu, China
| | - Bangtao Yao
- Department of Ophthalmology, Nanjing Lishui People's Hospital, Zhongda Hospital Lishui Branch, Southeast University, Nanjing, Jiangsu, China
| | - Hui Ye
- Department of Ophthalmology, Jiangsu Province Hospital, The First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu, China
| | - Fei Wang
- Department of Ophthalmology, Jiangsu Province Hospital, The First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu, China
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18
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Wakabayashi T, Patel N, Bough M, Nahar A, Sheng Y, Momenaei B, Salabati M, Mahmoudzadeh R, Kuriyan AE, Spirn MJ, Chiang A, Hsu J, Fineman MS, Regillo CD, Sivalingam A, Ho AC, Gupta OP, Yonekawa Y. VITRECTOMY FOR VITREOUS HEMORRHAGE ASSOCIATED WITH RETINAL VEIN OCCLUSION: Visual Outcomes, Prognostic Factors, and Sequelae. Retina 2023; 43:1506-1513. [PMID: 37294906 DOI: 10.1097/iae.0000000000003839] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
PURPOSE To report the outcomes of pars plana vitrectomy for vitreous hemorrhage (VH) associated with retinal vein occlusion and to identify prognostic indicators. METHODS Interventional, retrospective consecutive case series between 2015 and 2021. RESULTS The study included 138 eyes of 138 patients (64 female and 74 male); 81 patients had branch retinal vein occlusion and 57 had central retinal vein occlusion. The mean age was 69.8 years. The mean duration between the diagnosis of VH and surgery was 79.6 ± 115.3 (range, 1-572) days. The mean follow-up was 27.2 months. The logarithm of the minimum angle of resolution visual acuity significantly improved from 1.95 ± 0.72 (Snellen equivalent, 20/1782) to 0.99 ± 0.87 (20/195) at 6 months and to 1.06 ± 0.96 (20/230) at the final visit (both P < 0.001). The visual acuity at 6 months improved by three or more lines in 103 eyes (75%). Postoperative complications during follow-up included recurrent VH in 16 eyes (12%) (of which 8 eyes underwent reoperations), rhegmatogenous retinal detachment in six eyes (4%), and new neovascular glaucoma in three eyes (2%). Worse final visual acuity was significantly associated with older age ( P = 0.007), concurrent neovascular glaucoma ( P < 0.001), central retinal vein occlusion ( P < 0.001), worse preoperative visual acuity ( P < 0.001), postoperative new neovascular glaucoma ( P = 0.021), and postoperative retinal detachment ( P < 0.001). The duration of VH was not associated with visual outcomes ( P = 0.684). Preoperative antivascular endothelial growth factor injections and tamponade did not prevent postoperative recurrent VH. CONCLUSION Pars plana vitrectomy is effective for VH associated with retinal vein occlusion, regardless of the duration of hemorrhage. However, pre-existing risk factors and postoperative sequelae may limit visual recovery.
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Affiliation(s)
- Taku Wakabayashi
- Retina Service, Wills Eye Hospital, Mid Atlantic Retina, Thomas Jefferson University, Philadelphia, Pennsylvania; and
| | - Neil Patel
- Sidney Kimmel Medical College, Thomas Jefferson University, Philadelphia, Pennsylvania
| | - Matthew Bough
- Sidney Kimmel Medical College, Thomas Jefferson University, Philadelphia, Pennsylvania
| | - Ankur Nahar
- Sidney Kimmel Medical College, Thomas Jefferson University, Philadelphia, Pennsylvania
| | - Young Sheng
- Sidney Kimmel Medical College, Thomas Jefferson University, Philadelphia, Pennsylvania
| | - Bita Momenaei
- Retina Service, Wills Eye Hospital, Mid Atlantic Retina, Thomas Jefferson University, Philadelphia, Pennsylvania; and
| | - Mirataollah Salabati
- Retina Service, Wills Eye Hospital, Mid Atlantic Retina, Thomas Jefferson University, Philadelphia, Pennsylvania; and
| | - Raziyeh Mahmoudzadeh
- Retina Service, Wills Eye Hospital, Mid Atlantic Retina, Thomas Jefferson University, Philadelphia, Pennsylvania; and
| | - Ajay E Kuriyan
- Retina Service, Wills Eye Hospital, Mid Atlantic Retina, Thomas Jefferson University, Philadelphia, Pennsylvania; and
| | - Marc J Spirn
- Retina Service, Wills Eye Hospital, Mid Atlantic Retina, Thomas Jefferson University, Philadelphia, Pennsylvania; and
| | - Allen Chiang
- Retina Service, Wills Eye Hospital, Mid Atlantic Retina, Thomas Jefferson University, Philadelphia, Pennsylvania; and
| | - Jason Hsu
- Retina Service, Wills Eye Hospital, Mid Atlantic Retina, Thomas Jefferson University, Philadelphia, Pennsylvania; and
| | - Mitchell S Fineman
- Retina Service, Wills Eye Hospital, Mid Atlantic Retina, Thomas Jefferson University, Philadelphia, Pennsylvania; and
| | - Carl D Regillo
- Retina Service, Wills Eye Hospital, Mid Atlantic Retina, Thomas Jefferson University, Philadelphia, Pennsylvania; and
| | - Arunan Sivalingam
- Retina Service, Wills Eye Hospital, Mid Atlantic Retina, Thomas Jefferson University, Philadelphia, Pennsylvania; and
| | - Allen C Ho
- Retina Service, Wills Eye Hospital, Mid Atlantic Retina, Thomas Jefferson University, Philadelphia, Pennsylvania; and
| | - Omesh P Gupta
- Retina Service, Wills Eye Hospital, Mid Atlantic Retina, Thomas Jefferson University, Philadelphia, Pennsylvania; and
| | - Yoshihiro Yonekawa
- Retina Service, Wills Eye Hospital, Mid Atlantic Retina, Thomas Jefferson University, Philadelphia, Pennsylvania; and
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19
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Sun G, Wang X, Yi Z, He L, Zheng H, Chen C. Distribution of leakage index using ultra-widefield fluorescein angiography in patients with non-ischemic branch retinal vein occlusion and its association with macular edema. Photodiagnosis Photodyn Ther 2023; 43:103731. [PMID: 37549817 DOI: 10.1016/j.pdpdt.2023.103731] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2023] [Revised: 06/25/2023] [Accepted: 07/28/2023] [Indexed: 08/09/2023]
Abstract
BACKGROUND To investigate the distribution of leakage index in patients with non-ischemic branch retinal vein occlusion (BRVO) and its correlation with the severity of macular edema. METHODS Retrospective observational study. Forty-five eyes of 45 patients with BRVO were included. Late ultra-widefield fluorescein angiography images of the affected eyes were processed and analyzed for their leakage index using Fiji software. The visible panretinal area was further divided into the peri‑macular area (PMA), near-peripheral area (NPA), midperipheral area (MPA), and far-peripheral area (FPA). The relationship between the leakage index and central retinal thickness (CMT) was analyzed for the panretina and each subregion. RESULTS The median (interquartile range) leakage indexes of the panretina, PMA, NPA, MPA, and FPA were 5.532% (7.667%), 23.127% (26.073%), 8.303% (16.807%), 1.588% (6.204%), and 0.408% (2.215%), respectively, with a mean CMT of 552.800 ± 183.335 μm. The CMT was positively correlated with the leakage index in the panretina, PMA, NPA, MPA and FPA (r = 0.468, 0.426, 0.463, 0.447, 0.320, respectively; all p < 0.05). CONCLUSIONS The leakage index in non-ischemic BRVO patients is associated with macular edema severity. The leakage index has the potential to be a useful indicator for monitoring and guiding treatment of macular edema in BRVO patients.
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Affiliation(s)
- Gongpeng Sun
- Eye Center, Renmin Hospital of Wuhan University, Wuhan 430060, China
| | - Xiaoling Wang
- Eye Center, Renmin Hospital of Wuhan University, Wuhan 430060, China
| | - Zuohuizi Yi
- Eye Center, Renmin Hospital of Wuhan University, Wuhan 430060, China
| | - Lu He
- Eye Center, Renmin Hospital of Wuhan University, Wuhan 430060, China
| | - Hongmei Zheng
- Eye Center, Renmin Hospital of Wuhan University, Wuhan 430060, China
| | - Changzheng Chen
- Eye Center, Renmin Hospital of Wuhan University, Wuhan 430060, China.
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20
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Lee JY, Wang SM, Jeon SH, Kim MH, Han KD, Roh YJ. The Risk of Retinal Vein Occlusion in Young Patients with Mental Disorders: A Nationwide Cohort Study. J Clin Med 2023; 12:4874. [PMID: 37510989 PMCID: PMC10381617 DOI: 10.3390/jcm12144874] [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: 06/08/2023] [Revised: 07/18/2023] [Accepted: 07/20/2023] [Indexed: 07/30/2023] Open
Abstract
We investigated the association between mental disorders and the incidence rate of retinal vein occlusion (RVO) in young Korean adults. This nationwide cohort study included subjects aged 20-40 years who underwent the Korean National Health Examination between 2009 and 2012. The diagnoses of RVO and mental disorders were based on the International Classification of Diseases Tenth Revision codes. Multivariate Cox proportional hazard regression models were used to evaluate the objective. In total, 6,891,399 subjects were included at baseline and 6,597,803 subjects (mean age, 30.86 ± 4.99) were finally analyzed for a mean follow-up duration of 7.36 ± 1.13 years, with the mental disorders group followed for 7.27 ± 1.15 years and the non-diagnosed group for 7.37 ± 1.12 years. Among a total of 10,145 subjects diagnosed with RVO, 1304 had been diagnosed with mental disorders, while 8841 had not. Cumulative incidence of RVO demonstrated a substantially higher incidence probability in subjects with mental disorders (log-rank p < 0.0001). Mental disorders were associated with an increased incidence rate of RVO (hazard ratio [HR]: 1.268; 95% confidence interval; [CI]: 1.196-1.344). In the subgroup analysis, subjects with depression, sleep disorder, and anxiety disorder exhibited an increased risk of incidence of RVO in all regression models (all p < 0.001). In conclusion, mental disorders and the incidence rate of RVO were significantly positively correlated in a Korean nationwide population-based cohort study. These findings suggest that mental disorders may also be associated with the pathophysiology of RVO in young adults.
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Affiliation(s)
- Ji-Young Lee
- Department of Ophthalmology and Visual Science, Yeouido St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul 07345, Republic of Korea
| | - Sheng-Min Wang
- Department of Psychiatry, Yeouido St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul 07345, Republic of Korea
| | - Seung-Hee Jeon
- Department of Ophthalmology and Visual Science, Incheon St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul 06591, Republic of Korea
| | - Min-Hee Kim
- Department of Ophthalmology and Visual Science, Yeouido St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul 07345, Republic of Korea
| | - Kyung-do Han
- Department of Statistics and Actuarial Science, Soongsil University, Seoul 06978, Republic of Korea
| | - Young-Jung Roh
- Department of Ophthalmology and Visual Science, Yeouido St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul 07345, Republic of Korea
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21
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Cheemalapati S, Babu SM. An Ocular Emergency Often Ignored. Cureus 2023; 15:e41754. [PMID: 37575852 PMCID: PMC10421348 DOI: 10.7759/cureus.41754] [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] [Accepted: 07/12/2023] [Indexed: 08/15/2023] Open
Abstract
Branch retinal artery occlusion (BRAO) is a relatively rare vascular disorder characterized by the occlusion of one or more branches of the central retinal artery, with an incidence of around 5 per 100,000 persons per year. Its ability to cause permanent vision loss in a specific visual field makes it a significant clinical obstacle that requires careful management. We describe a case of a 77-year-old male patient, a known hypertensive (on medication and whose hypertension was under control), presented with sudden painless loss of vision in the superior field of his right eye. Timely and accurate diagnosis is crucial to initiate appropriate management. Patients with hypertension should be routinely screened for its various micro- and macrovascular complications, and prophylactic therapy/management should be started wherever warranted.
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Affiliation(s)
- Shashank Cheemalapati
- Internal Medicine, JSS Medical College and Hospital/JSS Academy of Higher Education & Research (JSSAHER), Mysore, IND
| | - Suresh M Babu
- Internal Medicine, JSS Medical College and Hospital/JSS Academy of Higher Education & Research (JSSAHER), Mysore, IND
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22
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Driban M, Kedia N, Arora S, Chhablani J. Novel pharmaceuticals for the management of retinal vein occlusion and linked disorders. Expert Rev Clin Pharmacol 2023; 16:1125-1139. [PMID: 37933706 DOI: 10.1080/17512433.2023.2277882] [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: 08/09/2023] [Accepted: 10/27/2023] [Indexed: 11/08/2023]
Abstract
INTRODUCTION Retinal vein occlusion (RVO) is the second leading cause of blindness from retinal vascular disease behind diabetic retinopathy. Anti-vascular endothelial growth factor (VEGF) and glucocorticoid therapy are the cornerstones of pharmaceutical treatment for RVO. There is considerable interest in developing new pharmaceuticals in and out of these two classes to reduce costs, lower injection burden, and treat the occlusion itself, rather than the complications. AREAS COVERED In this review, we discuss novel pharmaceuticals for the treatment of RVO outside of current standard of care. We performed a comprehensive literature search encompassing pharmaceuticals that have recently been approved or have shown promising results in early clinical trials or animal models. EXPERT OPINION Anti-VEGF therapy remains the most efficacious treatment for RVO with a very favorable side effect profile. New biosimilars reduce costs while maintaining efficacy. Novel glucocorticoids may be a useful therapy in patients for whom anti-VEGF therapy has failed, or as an adjunct. Pharmaceuticals in other drug classes, particularly those with neuroprotective or regenerative properties, as well as those geared toward treating the occlusion itself, represent exciting options for early RVO therapy, but are likely years away from clinical relevance.
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Affiliation(s)
- Matthew Driban
- Department of Ophthalmology, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA
| | - Nikita Kedia
- Department of Ophthalmology, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA
| | - Supriya Arora
- Bahamas Vision Center and Princess Margaret Hospital, Nassau, New Providence, Bahamas
| | - Jay Chhablani
- Department of Ophthalmology, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA
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23
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Wang H, Wang C, Zhang S, Liu J, Bi X. Impact of anti-VEGF therapy on distinctive retina layers in patients with macular edema secondary to branch retinal vein occlusion. BMC Ophthalmol 2023; 23:235. [PMID: 37231357 DOI: 10.1186/s12886-023-02981-7] [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: 10/08/2022] [Accepted: 05/18/2023] [Indexed: 05/27/2023] Open
Abstract
BACKGROUND To explore the impact of anti-vascular epithelial growth factor (ant-VEGF) on the thickness of each retinal layer in patients with macular edema (ME) secondary to the branch retinal vein occlusion (BRVO). METHODS This retrospective study included patients with ME secondary to monocular BRVO who received anti-VEGF therapy in Ningxia Eye Hospital between January-December 2020. RESULTS Forty-three patients (25 males) were included, with 31 showed > 25% reduction in central retinal thickness (CRT) after anti-VEGF therapy (response group), and the others showed a ≤25% reduction in CRT (no-response group). The response group showed significantly smaller mean changes in the ganglion cell layer (GCL) (after 2 months) and inner plexiform layer (IPL) (after 1, 2, and 3 months) and significantly greater mean changes in the inner nuclear layer (INL) (after 2 and 3 months), outer plexiform layer (OPL) (after 3 months), outer nuclear layer (ONL) (after 2 and 3 months), and CRT (after 1 and 2 months) (all P < 0.05) as compared to the no-response group. The mean change in the thickness of each retinal layer IPL (P = 0.006) between the two groups was significantly different after controlling for a time and with a significant time trend (P < 0.001). Additionally, patients in the response group were more likely to have an improvement in IPL (43.68 ± 6.01 at 1 month and 41.52 ± 5.45 at 2 months vs. 39.9 ± 6.86 at baseline) after anti-VEGF therapy, while those in no response group might show improvement in GCL (45.75 ± 8.24 at 1 month, 40.00 ± 8.92 at 2 months, and 38.83 ± 9.93 at 3 months vs. 49.67 ± 6.83 at baseline). CONCLUSIONS Anti-VEGF therapy might help restore the retinal structure and function in patients with ME secondary to BRVO, and those who have a response after anti-VEGF therapy are more likely to improve IPL, while those having no response might show improvement in GCL.
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Affiliation(s)
- Hui Wang
- Ophthalmology Center of Changzhi People's Hospital affiliated to Changzhi Medical College, Changzhi City, China
| | - Chanjuan Wang
- Ningxia Eye Hospital, People Hospital of Ningxia Hui Autonomous Region (First Affiliated Hospital of Northwest University for Nationalities), Yinchuan, 750000, China
| | - Shaochi Zhang
- Ningxia Eye Hospital, People Hospital of Ningxia Hui Autonomous Region (First Affiliated Hospital of Northwest University for Nationalities), Yinchuan, 750000, China
| | - Jun Liu
- Ophthalmology Center of Changzhi People's Hospital affiliated to Changzhi Medical College, Changzhi City, China
| | - Xiaojun Bi
- Ningxia Eye Hospital, People Hospital of Ningxia Hui Autonomous Region (First Affiliated Hospital of Northwest University for Nationalities), Yinchuan, 750000, China.
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24
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Darabuş DM, Munteanu M, Preda MA, Karancsi OL, Șuță MC. The Impact of Intraocular Treatment on Visual Acuity of Patients Diagnosed with Branch Retinal Vein Occlusions. Healthcare (Basel) 2023; 11:healthcare11101414. [PMID: 37239696 DOI: 10.3390/healthcare11101414] [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: 03/28/2023] [Revised: 05/08/2023] [Accepted: 05/10/2023] [Indexed: 05/28/2023] Open
Abstract
Branch retinal vein occlusions are a significant cause of vision loss and present several ophthalmic and systemic risk factors, including age, hypertension, hyperlipidemia and glaucoma. Retinal vein occlusion is the second-most-common retinal vascular disease. This study evaluated the effects of Ozurdex in contrast to a combination therapy with anti-vascular endothelial growth factor (VEGF) and cortisone in treatment-naive branch retinal vein occlusions-macular edema (BRVO-ME) cases, at 4-month and 6-month follow-ups. Thirty eyes were included in the study, which were divided into two groups. The first group consisted of 15 eyes, and each received 1 injection of dexamethasone intravitreal implant Ozurdex (DEX). The second group of 15 eyes received 3 intravitreal injections, the first and second with the anti-vascular endothelial growth factor aflibercept and the third one with 4 mg of triamcinolone acetonide (Vitreal S), spaced at one month. The best corrected visual acuity (BCVA) results suggested that the peak efficacy was at 4 months for both groups, with mean values of 0.5 LogMAR and 0.4 LogMAR. Regarding macular edema, there were no significant changes between the 4- and 6-month follow-up periods, with mean values of 361 μm and 390 μm. Six patients experienced transient raised intraocular pressure at one week after treatment. This study highlights the benefits to visual acuity of the combination of anti-vascular endothelial growth factor and cortisone, which represents a viable solution with similar results to Ozurdex therapy.
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Affiliation(s)
- Diana-Maria Darabuş
- Department of Ophthalmology, "Victor Babeş" University of Medicine and Pharmacy, 300041 Timișoara, Romania
| | - Mihnea Munteanu
- Department of Ophthalmology, "Victor Babeş" University of Medicine and Pharmacy, 300041 Timișoara, Romania
| | - Maria-Alexandra Preda
- Department of Ophthalmology, "Victor Babeş" University of Medicine and Pharmacy, 300041 Timișoara, Romania
| | - Olimpiu Ladislau Karancsi
- Department of Oral Implantology and Prosthetic Restorations on Implants, "Victor Babes" University of Medicine and Pharmacy, 300041 Timișoara, Romania
| | - Marius Cristian Șuță
- Department of Ophthalmology, "Victor Babeş" University of Medicine and Pharmacy, 300041 Timișoara, Romania
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Cao S, Zhang R, Jiang A, Kuerban M, Wumaier A, Wu J, Xie K, Aizezi M, Tuersun A, Liang X, Chen R. Application effect of an artificial intelligence-based fundus screening system: evaluation in a clinical setting and population screening. Biomed Eng Online 2023; 22:38. [PMID: 37095516 PMCID: PMC10127070 DOI: 10.1186/s12938-023-01097-9] [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: 10/26/2022] [Accepted: 03/24/2023] [Indexed: 04/26/2023] Open
Abstract
BACKGROUND To investigate the application effect of artificial intelligence (AI)-based fundus screening system in real-world clinical environment. METHODS A total of 637 color fundus images were included in the analysis of the application of the AI-based fundus screening system in the clinical environment and 20,355 images were analyzed in the population screening. RESULTS The AI-based fundus screening system demonstrated superior diagnostic effectiveness for diabetic retinopathy (DR), retinal vein occlusion (RVO) and pathological myopia (PM) according to gold standard referral. The sensitivity, specificity, accuracy, positive predictive value (PPV) and negative predictive value (NPV) of three fundus abnormalities were greater (all > 80%) than those for age-related macular degeneration (ARMD), referable glaucoma and other abnormalities. The percentages of different diagnostic conditions were similar in both the clinical environment and the population screening. CONCLUSIONS In a real-world setting, our AI-based fundus screening system could detect 7 conditions, with better performance for DR, RVO and PM. Testing in the clinical environment and through population screening demonstrated the clinical utility of our AI-based fundus screening system in the early detection of ocular fundus abnormalities and the prevention of blindness.
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Affiliation(s)
- Shujuan Cao
- Ophthalmologic Center, The Affiliated Kashi Hospital of Sun Yat-sen University, The First People's Hospital of Kashi Prefecture, Kashi, 844000, China
| | - Rongpei Zhang
- State Key Laboratory of Ophthalmology, Guangdong Provincial Key Laboratory of Ophthalmology and Visual Science, Guangdong Provincial Clinical Research Center for Ocular Diseases, Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangzhou, 510060, China
- Ophthalmologic Center, The Affiliated Kashi Hospital of Sun Yat-sen University, The First People's Hospital of Kashi Prefecture, Kashi, 844000, China
| | - Aixin Jiang
- Ophthalmologic Center, The Affiliated Kashi Hospital of Sun Yat-sen University, The First People's Hospital of Kashi Prefecture, Kashi, 844000, China
| | - Mayila Kuerban
- Ophthalmologic Center, The Affiliated Kashi Hospital of Sun Yat-sen University, The First People's Hospital of Kashi Prefecture, Kashi, 844000, China
| | - Aizezi Wumaier
- Ophthalmologic Center, The Affiliated Kashi Hospital of Sun Yat-sen University, The First People's Hospital of Kashi Prefecture, Kashi, 844000, China
| | - Jianhua Wu
- Ophthalmologic Center, The Affiliated Kashi Hospital of Sun Yat-sen University, The First People's Hospital of Kashi Prefecture, Kashi, 844000, China
| | - Kaihua Xie
- Ophthalmologic Center, The Affiliated Kashi Hospital of Sun Yat-sen University, The First People's Hospital of Kashi Prefecture, Kashi, 844000, China
| | - Mireayi Aizezi
- Ophthalmologic Center, The Affiliated Kashi Hospital of Sun Yat-sen University, The First People's Hospital of Kashi Prefecture, Kashi, 844000, China
| | - Abudurexiti Tuersun
- Ophthalmologic Center, The Affiliated Kashi Hospital of Sun Yat-sen University, The First People's Hospital of Kashi Prefecture, Kashi, 844000, China
| | - Xuanwei Liang
- State Key Laboratory of Ophthalmology, Guangdong Provincial Key Laboratory of Ophthalmology and Visual Science, Guangdong Provincial Clinical Research Center for Ocular Diseases, Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangzhou, 510060, China.
- Ophthalmologic Center, The Affiliated Kashi Hospital of Sun Yat-sen University, The First People's Hospital of Kashi Prefecture, Kashi, 844000, China.
| | - Rongxin Chen
- State Key Laboratory of Ophthalmology, Guangdong Provincial Key Laboratory of Ophthalmology and Visual Science, Guangdong Provincial Clinical Research Center for Ocular Diseases, Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangzhou, 510060, China.
- Ophthalmologic Center, The Affiliated Kashi Hospital of Sun Yat-sen University, The First People's Hospital of Kashi Prefecture, Kashi, 844000, China.
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26
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Kapsis P, Agapitou C, Dimitriou E, Theodossiadis P, Chatziralli I. Branch Retinal Vein Occlusion After COVID-19 Infection: A Case Report. Cureus 2023; 15:e38172. [PMID: 37252587 PMCID: PMC10219685 DOI: 10.7759/cureus.38172] [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] [Accepted: 04/26/2023] [Indexed: 05/31/2023] Open
Abstract
A 65-year-old male patient presented to the ED complaining of blurred vision in the left eye for the last three days. The patient had just recovered from COVID-19 infection and had a negative polymerase chain reaction (PCR) test two days after the initiation of symptoms. His family and medical history were clear. Ophthalmological examination and imaging revealed branch retinal vein occlusion (BRVO) with macular edema in the left eye, while the right eye was normal. The visual acuity was 6/6 in the right eye and 6/36 in the left eye. Laboratory tests, as well as the full cardiovascular and thrombophilia evaluation, were normal. Since the patient did not have known risk factors for BRVO, we hypothesize that it was related to COVID-19 infection. However, the causality between the two entities remains under investigation.
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Affiliation(s)
- Petros Kapsis
- 2nd Department of Ophthalmology, School of Medicine, "Attikon" University Hospital, National and Kapodistrian University of Athens, Athens, GRC
| | - Chrysa Agapitou
- 2nd Department of Ophthalmology, School of Medicine, "Attikon" University Hospital, National and Kapodistrian University of Athens, Athens, GRC
| | - Eleni Dimitriou
- 2nd Department of Ophthalmology, School of Medicine, "Attikon" University Hospital, National and Kapodistrian University of Athens, Athens, GRC
| | - Panagiotis Theodossiadis
- 2nd Department of Ophthalmology, School of Medicine, "Attikon" University Hospital, National and Kapodistrian University of Athens, Athens, GRC
| | - Irini Chatziralli
- 2nd Department of Ophthalmology, School of Medicine, "Attikon" University Hospital, National and Kapodistrian University of Athens, Athens, GRC
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Choe J, Kim SJ, Kim JH, Baik MH, Lee J, Cho J. Photodynamic treatment of acute vascular occlusion by using an iron–nitrosyl complex. Chem 2023. [DOI: 10.1016/j.chempr.2023.02.013] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/17/2023]
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28
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De Oliveira MR, Mota I, Higino TMM, Ventura CV, Japiassú RM, Gantois M. Telangiectatic Capillaries in Retinal Vascular Occlusions: Multimodal Imaging in a Case Series. JOURNAL OF VITREORETINAL DISEASES 2023; 7:154-159. [PMID: 37006666 PMCID: PMC10037749 DOI: 10.1177/24741264221149295] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/18/2023]
Abstract
Introduction: To report a cases series of retinal vascular occlusions with telangiectatic capillaries (TelCaps) seen on indocyanine green angiography (ICGA) and multimodal imaging. Methods: In this case series, a new finding (TelCaps) was seen on clinical examination, fundus evaluation, fluorescein angiography, ICGA, and optical coherence tomography (OCT). Results: This series comprised 3 patients with TelCaps findings on ICGA after retinal vascular occlusions. The patients' ages ranged from 52 years to 71 years and the best-corrected visual acuity in the affected eye, from 20/25 to 20/80. Fundus evaluation showed small, hard exudates in the vascular termination close to the macula with a reduction of the foveal reflex. The OCT images showed marginal hyperreflectivity and inner hyporeflectivity that were suggestive of a TelCaps lesion, which was confirmed by hyperfluorescence in the late phase of ICGA. Conclusions: This study highlights the importance of performing multimodal imaging evaluation, including ICGA, in eyes with retinal vein occlusions for early identification and management of the associated lesions.
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Affiliation(s)
| | - Isabela Mota
- Department of Ophthalmology, Altino Ventura
Foundation, Pernambuco, Brazil
| | | | - Camila V. Ventura
- Department of Ophthalmology, Altino Ventura
Foundation, Pernambuco, Brazil
- Research Department, Altino Ventura
Foundation, Pernambuco, Brazil
- Department of Ophthalmology, HOPE Hospital,
Pernambuco, Brazil
| | - RM Japiassú
- Pontifícia Universidade Católica, Rio de
Janeiro, Brazil
| | - Michelle Gantois
- Department of Ophthalmology, Altino Ventura
Foundation, Pernambuco, Brazil
- Department of Ophthalmology, HOPE Hospital,
Pernambuco, Brazil
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29
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Karimi S, Nikkhah H, Nafisi H, Nouri H, Ansari I, Barkhordari S, Samnejad S, Abtahi SH. Acetazolamide and bevacizumab combination therapy versus bevacizumab monotherapy in macular edema secondary to retinal vein occlusion. J Fr Ophtalmol 2023; 46:322-326. [PMID: 36739258 DOI: 10.1016/j.jfo.2022.09.025] [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: 08/30/2022] [Accepted: 09/26/2022] [Indexed: 02/05/2023]
Abstract
PURPOSE To determine and compare the efficacy of intravitreal bevacizumab (IVB) and oral acetazolamide (OA) combination therapy versus IVB monotherapy in patients with macular edema secondary to retinal vein occlusion (RVO). METHODS This randomized clinical trial included 54 eyes of 52 patients with RVO central macular thickness (CMT) of more than 300μm, and best corrected visual acuity (BCVA) between 20/400 and 20/40. Eligible patients were randomly assigned to two groups: (I) IVB and OA (250mg twice daily) combination therapy or (II) IVB monotherapy. Ocular injections were repeated monthly for up to three months; BCVA and CMT were measured monthly. RESULTS Both regimens resulted in significant reduction in CMT (534±150μm to 352±90μm in the IVB+OA group, P<0.001; and 580±175μm to 362±90μm in the IVB group, P<0.001); neither showed superiority in this regard. Likewise, BCVA showed significant improvement in both groups (0.87±0.56 to 0.53±0.28 LogMAR in the IVB+OA group, P=0.001; and 0.85±0.62 to 0.46±0.4 LogMAR in the IVB group, P<0.001), with no intergroup difference. CONCLUSION Addition of oral acetazolamide to IVB in eyes with macular edema secondary to RVO may not result in additional short-term benefits regarding functional and anatomical outcomes. TRIAL REGISTRATION ClinicalTrials.gov, NCT05290948, registered on March 22, 2022. https://clinicaltrials.gov/ct2/show/NCT05290948.
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Affiliation(s)
- S Karimi
- Ophthalmic Research Center, Research Institute for Ophthalmology and Vision Science, Shahid Beheshti University of Medical Sciences, Tehran, Iran; Department of Ophthalmology, Torfe Medical Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran; Clinical Research Development Unit of Torfe Medical Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - H Nikkhah
- Ophthalmic Research Center, Research Institute for Ophthalmology and Vision Science, Shahid Beheshti University of Medical Sciences, Tehran, Iran; Department of Ophthalmology, Torfe Medical Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran; Clinical Research Development Unit of Torfe Medical Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - H Nafisi
- Ophthalmic Research Center, Research Institute for Ophthalmology and Vision Science, Shahid Beheshti University of Medical Sciences, Tehran, Iran; Clinical Research Development Unit of Torfe Medical Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - H Nouri
- Ophthalmic Research Center, Research Institute for Ophthalmology and Vision Science, Shahid Beheshti University of Medical Sciences, Tehran, Iran; School of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran
| | - I Ansari
- Ophthalmic Research Center, Research Institute for Ophthalmology and Vision Science, Shahid Beheshti University of Medical Sciences, Tehran, Iran; Clinical Research Development Unit of Torfe Medical Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - S Barkhordari
- Ophthalmic Research Center, Research Institute for Ophthalmology and Vision Science, Shahid Beheshti University of Medical Sciences, Tehran, Iran; Clinical Research Development Unit of Torfe Medical Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - S Samnejad
- Ophthalmic Research Center, Research Institute for Ophthalmology and Vision Science, Shahid Beheshti University of Medical Sciences, Tehran, Iran; Clinical Research Development Unit of Torfe Medical Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - S-H Abtahi
- Ophthalmic Research Center, Research Institute for Ophthalmology and Vision Science, Shahid Beheshti University of Medical Sciences, Tehran, Iran; Department of Ophthalmology, Torfe Medical Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran; Clinical Research Development Unit of Torfe Medical Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
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Choroidal thickness as a possible predictor of non-response to intravitreal bevacizumab for macular edema after retinal vein occlusion. Sci Rep 2023; 13:451. [PMID: 36624124 PMCID: PMC9829912 DOI: 10.1038/s41598-023-27753-7] [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: 08/02/2022] [Accepted: 01/06/2023] [Indexed: 01/11/2023] Open
Abstract
To evaluate outcomes of intravitreal bevacizumab (IVB) treating macular edema (ME) after retinal vein occlusion (RVO) following pro re nata (PRN) regimen and investigate potential predictors of non-response. Retrospective analysis of 126 treatment-naive eyes with ME after RVO. Eyes were treated initially with IVB of 1.25 mg/ml. Therapy was switched in case of non-response. Outcome measures included best-corrected visual acuity (BCVA) and central macular thickness (CMT), which were recorded over 4 years of treatment. BCVA improved significantly during first 2 years. CMT decreased significantly during the 4-year follow-up period. Switching was required in 42 eyes (33%). 34 eyes (26.9%) were switched to steroids, while 8 eyes (6.3%) were switched to other anti-VEGF due to diagnosed glaucoma. Switching occurred after 12.4 ± 8.3 months and an average of 8 ± 4.1 IVBs. Compared with the treatment-responsive group, the treatment-unresponsive group had significantly worse BCVA, higher CMT and subfoveal choroidal thickness (SFCT) at baseline. Treatment IVB following PRN regimen showed significant functional and anatomic improvement in patients with ME after RVO. Switching was required in more than one third of eyes. Higher baseline SFCT could be considered as predictor for non-response to such therapy and thus an indicator of early switching.
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Cohen R, Shor R, Segal O, Greenbaum E, Ayalon A, Trivizki O, Schwartz S, Loewenstein A, Rabina G. Postponed care due to COVID-19 lockdown impact on visual acuity of retinal vein occlusion patients: a large cohort. Graefes Arch Clin Exp Ophthalmol 2023; 261:43-48. [PMID: 35819483 PMCID: PMC9275385 DOI: 10.1007/s00417-022-05755-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2022] [Revised: 04/24/2022] [Accepted: 06/30/2022] [Indexed: 01/19/2023] Open
Abstract
PURPOSE To evaluate the impact of postponed care attributed to coronavirus disease (COVID-19) pandemic lockdowns on visual acuity and the number of anti-VEGF injections in patients with retinal vein occlusion (RVO). METHODS A multicenter, retrospective study of consecutive RVO patients previously treated with anti-VEGF injections, which compared data from pre- (2019) and during (2020) COVID-19 lockdown period. RESULTS A total of 814 RVO patients with a mean age of 72.8 years met the inclusion criteria. Of them, 439 patients were assessed in 2019 and 375 in 2020. There was no significant difference between the COVID-19 and pre-COVID-19 period in terms of baseline and final BCVA (p = 0.7 and 0.9 respectively), but there was a significantly reduced mean number of anti-VEGF injections during the COVID-19 period (5.0 and. 5.9 respectively, p < 0.01), with a constant lower ratio of injections per patient. A noticeable decline was found during March-May (p < 0.01) in 2020. Baseline BCVA (0.69, p < 0.01) and the number of injections (- 0.01, p = 0.01) were predictors of final BCVA. CONCLUSIONS In a large cohort of RVO patients, during 2020 lockdowns imposed due to the COVID-19 pandemic, a significant reduction in the annual number of anti-VEGF injections was noted. The postponed care did not result in a significant impact on the final BCVA. Baseline BCVA and the number of annual injections serve as predictors for final BCVA in RVO patients.
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Affiliation(s)
- Ram Cohen
- Department of Ophthalmology, Tel Aviv Sourasky Medical Center, affiliated to the Sackler Faculty of Medicine, Tel Aviv University, 6 Weizmann Street, 64239 Tel Aviv, Israel
| | - Reut Shor
- Department of Ophthalmology, Tel Aviv Sourasky Medical Center, affiliated to the Sackler Faculty of Medicine, Tel Aviv University, 6 Weizmann Street, 64239 Tel Aviv, Israel
| | - Ori Segal
- Department of Ophthalmology, Meir Medical Center, Kfar Saba, Israel ,Affiliated to the Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel
| | - Eran Greenbaum
- Department of Ophthalmology, Meir Medical Center, Kfar Saba, Israel ,Affiliated to the Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel
| | - Anfisa Ayalon
- Department of Ophthalmology, Meir Medical Center, Kfar Saba, Israel ,Affiliated to the Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel
| | - Omer Trivizki
- Department of Ophthalmology, Tel Aviv Sourasky Medical Center, affiliated to the Sackler Faculty of Medicine, Tel Aviv University, 6 Weizmann Street, 64239 Tel Aviv, Israel
| | - Shulamit Schwartz
- Department of Ophthalmology, Tel Aviv Sourasky Medical Center, affiliated to the Sackler Faculty of Medicine, Tel Aviv University, 6 Weizmann Street, 64239 Tel Aviv, Israel
| | - Anat Loewenstein
- Department of Ophthalmology, Tel Aviv Sourasky Medical Center, affiliated to the Sackler Faculty of Medicine, Tel Aviv University, 6 Weizmann Street, 64239 Tel Aviv, Israel
| | - Gilad Rabina
- Department of Ophthalmology, Tel Aviv Sourasky Medical Center, affiliated to the Sackler Faculty of Medicine, Tel Aviv University, 6 Weizmann Street, 64239 Tel Aviv, Israel
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Huang Y, Linghu M, Hu W, Huang X. Conbercept improves macular microcirculation and retinal blood supply in the treatment of nonischemic branch retinal vein occlusion macular edema. J Clin Lab Anal 2022; 36:e24774. [DOI: 10.1002/jcla.24774] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2022] [Revised: 10/11/2022] [Accepted: 11/08/2022] [Indexed: 11/22/2022] Open
Affiliation(s)
- Yikeng Huang
- Department of Ophthalmology The First Affiliated Hospital of Hainan Medical University Haikou China
| | - Minli Linghu
- Department of Ophthalmology, Shanghai General Hospital Shanghai Jiao Tong University School of Medicine Shanghai China
| | - Weiwen Hu
- Department of Ophthalmology, Shanghai General Hospital Shanghai Jiao Tong University School of Medicine Shanghai China
| | - Xionggao Huang
- Department of Ophthalmology, Shanghai General Hospital Shanghai Jiao Tong University School of Medicine Shanghai China
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Yin S, Cui Y, Jiao W, Zhao B. Quantitative Assessment Parameters of Peripapillary Regions with Branch Retinal Vein Occlusion by Using Optical Coherence Tomography Angiography. BIOMED RESEARCH INTERNATIONAL 2022; 2022:9281630. [PMID: 36389114 PMCID: PMC9649299 DOI: 10.1155/2022/9281630] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/19/2022] [Accepted: 10/15/2022] [Indexed: 10/24/2023]
Abstract
PURPOSE To investigate the baseline parameters of peripapillary regions in both eyes of patients with unilateral branch retinal vein occlusion (BRVO) using optical coherence tomography angiography (OCTA) and their association with best-corrected visual acuity (BCVA). METHODS Forty-eight unilateral BRVO patients were enrolled. The 4.5 × 4.5 mm disc angiogram was acquired in the BRVO eyes and fellow eyes using the OCTA. Radial peripapillary capillary (RPC), whole vessel density, and retinal nerve fiber layer (RNFL) thickness in different regions and optic nerve head (ONH) analysis were automatically calculated. The partition includes the whole image, peripapillary, superior hemifield, inferior hemifield, eight equally divided sectors, and nine evenly divided square areas. RESULTS All vessel density and capillary vessel density in the whole and peripapillary regions of BRVO eyes were significantly lower than those in fellow eyes. The RNFL peripapillary thickness in BRVO eyes was significantly higher than those in fellow eyes. In eyes with supertemporal vein occlusion, all vessel density both in the superior hemifield and in the G12 region was significantly reduced compared with that in the fellow eyes. The capillary vessel density was significantly lower in the superior hemifield, superior temporal (ST), superior nasal (SN), and temporal superior (TS) areas than in the fellow eyes. The RNFL thickness in the NI, IN, TI, and TS sectors was significantly higher than in fellow eyes (all P < 0.05). CONCLUSIONS OCTA provided quantitative information on peripapillary vascular density and RNFL thickness changes in BRVO. Branch retinal vein occlusion not only affects the blood vessel density in the macular area but also decreases the radial peripapillary capillaries. The capillary density is mainly affected in the affected hemifield but not in the unaffected hemifield.
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Affiliation(s)
- Shan Yin
- Department of Ophthalmology, Central Hospital Affiliated to Shandong First Medical University, 250014 Jinan, China
| | - Yanyan Cui
- Department of Ophthalmology, Liaocheng People's Hospital, 252004 Liaocheng, China
| | - Wanzhen Jiao
- Department of Ophthalmology, Shandong Provincial Hospital Affiliated to Shandong First Medical University, 250000 Jinan, China
| | - Bojun Zhao
- Department of Ophthalmology, Shandong Provincial Hospital Affiliated to Shandong First Medical University, 250000 Jinan, China
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Terao R, Fujino R, Ahmed T. Risk Factors and Treatment Strategy for Retinal Vascular Occlusive Diseases. J Clin Med 2022; 11:6340. [PMID: 36362567 PMCID: PMC9656338 DOI: 10.3390/jcm11216340] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2022] [Revised: 10/17/2022] [Accepted: 10/24/2022] [Indexed: 07/30/2023] Open
Abstract
Retinal occlusive diseases are common diseases that can lead to visual impairment. Retinal artery occlusion and retinal vein occlusion are included in the clinical entity, but they have quite different pathophysiologies. Retinal artery occlusion is an emergent eye disorder. Retinal artery occlusion is mainly caused by thromboembolism, which frequently occurs in conjunction with life-threatening stroke and cardiovascular diseases. Therefore, prompt examinations and interventions for systemic vascular diseases are often necessary for these patients. Retinal vein occlusion is characterized by retinal hemorrhage and ischemia, which may impair visual function via several complications such as macular edema, macular ischemia, vitreous hemorrhage, and neovascular glaucoma. Even though anti-vascular endothelial growth factor therapy is the current established first-line of treatment for retinal vein occlusion, several clinical studies have been performed to identify better treatment protocols and new therapeutic options. In this review, we summarize the current findings and advances in knowledge regarding retinal occlusive diseases, particularly focusing on recent studies, in order to provide an update for a better understanding of its pathogenesis.
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Affiliation(s)
- Ryo Terao
- Department of Ophthalmology, Graduate School of Medicine, The University of Tokyo, Tokyo 113-8654, Japan
- Department of Ophthalmology & Visual Sciences, Washington University School of Medicine in St. Louis, St. Louis, MO 63110, USA
| | - Ryosuke Fujino
- Department of Ophthalmology, Graduate School of Medicine, The University of Tokyo, Tokyo 113-8654, Japan
| | - Tazbir Ahmed
- Department of Ophthalmology, Graduate School of Medicine, The University of Tokyo, Tokyo 113-8654, Japan
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Mushiga Y, Nagai N, Ozawa Y. Retinal circulation time/arm-to-retina time ratio in the fluorescein angiography to evaluate retina-specific hemodynamics. Sci Rep 2022; 12:17457. [PMID: 36261478 PMCID: PMC9581933 DOI: 10.1038/s41598-022-21117-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2022] [Accepted: 09/22/2022] [Indexed: 01/12/2023] Open
Abstract
To evaluate dynamic circulatory flow in the retinal or choroidal circulatory disease, we retrospectively reviewed medical charts of 128 eyes of 128 patients who underwent video recorded fluorescein angiography (FA), at Department of Ophthalmology, St Luke's International Hospital, between April and September 2020. Mean age was 64.2 ± 14.0 (range 37-93) years, and 87 (67.9%) patients were men. Mean arm-to-retina (AR) time was 16.2 ± 4.1 s, and mean retinal circulation (RC) time was 10.9 ± 3.3 s. Mean RC time/AR time (RC/AR) ratio was 0.69 ± 0.22. AR time was correlated with age, whereas RC time was not. RC time was positively correlated with AR time (R = 0.360, P = 0.017). Moreover, mean RC time was significantly longer, and RC/AR ratio was greater, in the retinal-disease group after adjusting for age and sex. Patients who had an RC/AR ratio ≥ 0.8 more frequently presented with retinal diseases. RC time and RC/AR ratio were negatively correlated with systolic blood pressure only in the retinal-disease group. Given that AR time reflects systemic hemodynamics, RC time, which reflects local circulatory fluency, was influenced by the systemic circulatory condition. Moreover, RC/AR ratio revealed that circulatory changes peculiar to the retina may also be involved in retinal-disease pathogenesis. This study may help elucidate the mechanisms of retinal diseases and assist in diagnosis, although further studies are required.
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Affiliation(s)
- Yasuaki Mushiga
- grid.430395.8Department of Ophthalmology, St. Luke’s International Hospital, 9-1 Akashi-cho, Chuo-ku, Tokyo, 104-8560 Japan ,grid.419588.90000 0001 0318 6320St. Luke’s International University, 9-1 Akashi-cho, Chuo-ku, Tokyo, 104-8560 Japan ,grid.26091.3c0000 0004 1936 9959Department of Ophthalmology, Keio University School of Medicine, 35 Shinanomachi, Shinjuku-ku, Tokyo, 160-8582 Japan
| | - Norihiro Nagai
- grid.430395.8Department of Ophthalmology, St. Luke’s International Hospital, 9-1 Akashi-cho, Chuo-ku, Tokyo, 104-8560 Japan ,grid.419588.90000 0001 0318 6320St. Luke’s International University, 9-1 Akashi-cho, Chuo-ku, Tokyo, 104-8560 Japan ,grid.26091.3c0000 0004 1936 9959Laboratory of Retinal Cell Biology, Department of Ophthalmology, Keio University School of Medicine, 35 Shinanomachi, Shinjuku-ku, Tokyo, 160-8582 Japan ,grid.26091.3c0000 0004 1936 9959Department of Ophthalmology, Keio University School of Medicine, 35 Shinanomachi, Shinjuku-ku, Tokyo, 160-8582 Japan
| | - Yoko Ozawa
- grid.430395.8Department of Ophthalmology, St. Luke’s International Hospital, 9-1 Akashi-cho, Chuo-ku, Tokyo, 104-8560 Japan ,grid.419588.90000 0001 0318 6320St. Luke’s International University, 9-1 Akashi-cho, Chuo-ku, Tokyo, 104-8560 Japan ,grid.26091.3c0000 0004 1936 9959Laboratory of Retinal Cell Biology, Department of Ophthalmology, Keio University School of Medicine, 35 Shinanomachi, Shinjuku-ku, Tokyo, 160-8582 Japan ,grid.26091.3c0000 0004 1936 9959Department of Ophthalmology, Keio University School of Medicine, 35 Shinanomachi, Shinjuku-ku, Tokyo, 160-8582 Japan
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Pan M, Zhou P, Guo J, An G, Liu Z, Du L, Jin X. Elevated Neutrophil Counts, Triglycerides, Monocyte/High-Density Lipoprotein Ratios, and Lower High-Density Lipoprotein in Patients with Retinal Vein Occlusion. Ophthalmic Res 2022; 66:265-271. [PMID: 36223733 DOI: 10.1159/000527446] [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: 08/20/2021] [Accepted: 10/05/2022] [Indexed: 11/19/2022]
Abstract
INTRODUCTION The aim of the study was to evaluate associations of peripheral blood immune cells and blood lipid profile levels with retinal vein occlusion (RVO). METHODS This retrospective study included 127 patients with RVO and 108 controls. Patients with RVO were divided into branch RVO (BRVO), central RVO (CRVO), ischemic RVO, or nonischemic RVO groups. Medical records were collected and analyzed. RESULTS The RVO group had higher mean neutrophil, triglyceride (TG), and monocyte/high-density lipoprotein (HDL) ratio (MHR) levels and lower HDL levels (p = 0.037, p < 0.001, p = 0.004, and p = 0.002, respectively). TG and MHR levels were significantly higher in the BRVO and CRVO groups compared with the control group (p < 0.001 and p = 0.016, respectively), but there was no difference in BRVO and CRVO group (p = 0.972 and p = 0.916, respectively). Mean HDL levels were significantly lower in the BRVO and CRVO groups than in the control group (p = 0.005), but the difference between the BRVO group and CRVO group was not significant (p = 0.290). Neutrophils, TG, and MHR were independent risk factors for RVO. HDL was an independent protective factor for RVO. Age was an independent risk factor for ischemic RVO. CONCLUSIONS Lower HDL, and higher neutrophil, TG, and MHR levels are associated with RVO. Age is an independent risk factor for ischemic RVO.
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Affiliation(s)
- Meng Pan
- Department of Ophthalmology, The First Affiliated Hospital of Zhengzhou University, Henan Province Eye Hospital, Henan International Joint Research Laboratory for Ocular Immunology and Retinal Injury Repair, Zhengzhou, China,
| | - Pengyi Zhou
- Department of Ophthalmology, The First Affiliated Hospital of Zhengzhou University, Henan Province Eye Hospital, Henan International Joint Research Laboratory for Ocular Immunology and Retinal Injury Repair, Zhengzhou, China
| | - Ju Guo
- Department of Ophthalmology, The First Affiliated Hospital of Zhengzhou University, Henan Province Eye Hospital, Henan International Joint Research Laboratory for Ocular Immunology and Retinal Injury Repair, Zhengzhou, China
| | - Guangqi An
- Department of Ophthalmology, The Academy of Medical Sciences, Zhengzhou University, Zhengzhou, China
| | - Zhenhui Liu
- Department of Ophthalmology, The First Affiliated Hospital of Zhengzhou University, Henan Province Eye Hospital, Henan International Joint Research Laboratory for Ocular Immunology and Retinal Injury Repair, Zhengzhou, China
| | - Liping Du
- Department of Ophthalmology, The First Affiliated Hospital of Zhengzhou University, Henan Province Eye Hospital, Henan International Joint Research Laboratory for Ocular Immunology and Retinal Injury Repair, Zhengzhou, China
| | - Xuemin Jin
- Department of Ophthalmology, The First Affiliated Hospital of Zhengzhou University, Henan Province Eye Hospital, Henan International Joint Research Laboratory for Ocular Immunology and Retinal Injury Repair, Zhengzhou, China
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Mohamed SA, Byomy M, El Sayed EESM, Hussein MO, Abdulrehim MM, Elmahdy AG. Branch Retinal Vein Occlusions as a Serious Complication of Covid 19 Infection. Open Access Maced J Med Sci 2022. [DOI: 10.3889/oamjms.2022.10116] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022] Open
Abstract
BACKGROUND: Branch retinal vein occlusion (BRVO) has an incidence of 0.5–1.2%. COVID-19 is associated with both venous and arterial thromboembolisms due to excessive inflammation, hypoxia, immobilization, and diffuse intravascular coagulation.
AIM: The present study aims to describe our experience with BRVO in Egyptian COVID-19 patients.
PATIENTS AND METHODS: The present retrospective study included 17 polymerase chain reaction (PCR)-proven COVID-19 patients with BRVO. Data obtained from the studied patients included detailed history taking. In addition, patients were diagnosed with BRVO based on a comprehensive ophthalmic evaluation, including logMAR Best-corrected visual acuity assessment, slit-lamp bio-microscopy, fundoscopy, fundus fluorescein angiography, and optical coherence tomography macular assessment.
RESULTS: The present study included 17 PCR-proven COVID-19 patients with BRVO. They comprised 9 males (52.9%) and 8 females (47.1%) with an age of 52.8 ± 13.3 years. Fundus examination revealed BRVO as superior temporal in 9 patients (52.9%), inferior temporal in 5 patients (29.4%), superior nasal in 2 patients (11.8%), and inferior nasal in 1 patient (5.9%). The reported retinal thickness was 355.7 ± 41.7 μm. In addition, fundus fluorescein angiography identified ischemic changes in 2 patients (11.8%).
CONCLUSION: BRVO is a rare severe complication of COVID-19 infection. In patients with proven or suspected infection with a diminution of vision, there should be high suspicion of BRVO and prompt full-scale ophthalmological examination to exclude the condition.
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Increased Macrophage-like Cell Density in Retinal Vein Occlusion as Characterized by en Face Optical Coherence Tomography. J Clin Med 2022; 11:jcm11195636. [PMID: 36233504 PMCID: PMC9572031 DOI: 10.3390/jcm11195636] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2022] [Revised: 09/21/2022] [Accepted: 09/21/2022] [Indexed: 11/17/2022] Open
Abstract
Objectives: to quantitatively analyze macrophage-like cells (MLCs) at the vitreoretinal interface in retinal vein occlusion (RVO) using swept-source optical coherence tomography angiography (SS-OCTA) and en face optical coherence tomography (OCT). Methods: The study included 72 RVO patients, with 43 acute patients and 29 chronic patients. For a normal control, 64 fellow eyes were included. MLCs were visualized in a 5 μm en face OCT slab above the vitreoretinal interface centered on the fovea. After semi-automatic binarization and quantification, we evaluated the MLC count and density among groups. We also investigated the MLC density and distribution relative to retinal edema. Results: Morphological changes and congregation of MLCs appeared in RVO eyes. The MLC density of both the acute and chronic groups was significantly higher than that of the control eyes (p < 0.001). In the acute group, the MLC density of the edematous region was lower than both the non-edematous region (p < 0.001) and the whole image (p < 0.01). The MLC density in acute eyes was negatively correlated to central fovea thickness (CFT) (r = −0.352, p < 0.05). The MLC density in chronic eyes was positively correlated to CFT and mean retina thickness (MRT) (r = 0.406, p < 0.05; r = 0.412, p < 0.05, respectively). Conclusions: SS-OCTA is a viable and simple method for the characterization of MLCs at the vitreoretinal interface. A significant increase in the MLC density in both acute and chronic eyes implicates the activation and recruitment of MLCs in RVO and that the MLC density and distribution can be affected by retinal edema.
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Xiao YM, Gan F, Liu H, Zhong YL. Altered synchronous neural activities in retinal vein occlusion patients: A resting-state fMRI study. Front Hum Neurosci 2022; 16:961972. [PMID: 36188177 PMCID: PMC9524247 DOI: 10.3389/fnhum.2022.961972] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2022] [Accepted: 08/12/2022] [Indexed: 11/13/2022] Open
Abstract
ObjectiveRetinal vein occlusion (RVO) is the second most common retinal vascular disorder after diabetic retinopathy, which is the main cause of vision loss. Retinal vein occlusion might lead to macular edema, causing severe vision loss. Previous neuroimaging studies of patients with RVO demonstrated that RVO was accompanied by cerebral changes, and was related to stroke. The purpose of the study is to investigate synchronous neural activity changes in patients with RVO.MethodsA total of 50 patients with RVO and 48 healthy subjects with matched sex, age, and education were enrolled in the study. The ReHo method was applied to investigate synchronous neural activity changes in patients with RVO.ResultsCompared with HC, patients with RVO showed increased ReHo values in the bilateral cerebellum_4_5. On the contrary, patients with RVO had decreased ReHo values in the bilateral middle occipital gyrus, right cerebelum_crus1, and right inferior temporal gyrus.ConclusionOur study demonstrated that patients with RVO were associated with abnormal synchronous neural activities in the cerebellum, middle occipital gyrus, and inferior temporal gyrus. These findings shed new insight into neural mechanisms of vision loss in patients with RVO.
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Affiliation(s)
- Yu Mei Xiao
- Department of Operation, Jiangxi Provincial People’s Hospital, The First Affiliated Hospital of Nanchang Medical College, Nanchang, China
| | - Fan Gan
- Department of Ophthalmology, Jiangxi Provincial People’s Hospital, The First Affiliated Hospital of Nanchang Medical College, Nanchang, China
| | - Hui Liu
- Department of Ophthalmology, Jiangxi Provincial People’s Hospital, The First Affiliated Hospital of Nanchang Medical College, Nanchang, China
| | - Yu Lin Zhong
- Department of Ophthalmology, Jiangxi Provincial People’s Hospital, The First Affiliated Hospital of Nanchang Medical College, Nanchang, China
- *Correspondence: Yu Lin Zhong,
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Posch-Pertl L, List W, Michelitsch M, Pinter-Hausberger S, Posch F, Innauer F, Renner W, Weger M. Role of the ABO Blood Groups as a Risk Factor for Retinal Vein Occlusion. Ophthalmic Res 2022; 66:164-169. [PMID: 36049476 DOI: 10.1159/000526874] [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: 05/27/2022] [Accepted: 08/15/2022] [Indexed: 11/19/2022]
Abstract
INTRODUCTION A recent study suggested that non-O blood groups had an increased risk for the presence of retinal vein occlusion (RVO). In this study, we investigated (i) an association between blood group and the presence of RVO and (ii) whether this association correlated to other RVO risk factors. METHODS We included 485 RVO patients and 295 control subjects who were recruited in this case-control study. We determined ABO genotypes rs8176719 as a marker for the O allele and rs8176746 for the B allele by polymerase chain reaction. RESULTS We did not find an association between ABO blood group and the presence of RVO. In detail, the proportion of ABO blood groups was similar among RVO patients and control subjects (p = 0.527). In a logistic regression, non-O blood group was associated with 1.06-fold higher odds of being a RVO patient (95% CI: 0.78-1.45, p = 0.693), and this lack of association prevailed upon multivariable adjustment for age, gender, history of stroke and venous thromboembolism, and co-medication with lipid-lowering agents. DISCUSSION Although non-O blood groups are a known risk factor for thrombotic and cardiovascular disease, they do not seem to be a major risk factor for the development of RVO.
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Affiliation(s)
- Laura Posch-Pertl
- Department of Ophthalmology, Medical University of Graz, Graz, Austria
| | - Wolfgang List
- Department of Ophthalmology, Medical University of Graz, Graz, Austria
| | - Monja Michelitsch
- Department of Ophthalmology, Medical University of Graz, Graz, Austria
| | | | - Florian Posch
- Division of Haematology, Department of Internal Medicine, Medical University of Graz, Graz, Austria
| | - Felix Innauer
- Department of Ophthalmology, Medical University of Graz, Graz, Austria
| | - Wilfried Renner
- Clinical Institute of Medical and Chemical Laboratory Diagnostics, Medical University Graz, Graz, Austria
| | - Martin Weger
- Department of Ophthalmology, Medical University of Graz, Graz, Austria
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Akdemir S, Gunay B. Comparison of anti-VEGF results between non-ischemic branch retinal vein occlusion and ischemic branch retinal vein occlusion with early sector panretinal photocoagulation. J Fr Ophtalmol 2022; 45:1042-1047. [DOI: 10.1016/j.jfo.2022.03.014] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2022] [Revised: 03/16/2022] [Accepted: 03/23/2022] [Indexed: 11/24/2022]
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Zou W, Du Y, Ji X, Zhang J, Ding H, Chen J, Wang T, Ji F, Huang J. Comparison of the efficiency of anti-VEGF drugs intravitreal injections treatment with or without retinal laser photocoagulation for macular edema secondary to retinal vein occlusion: A systematic review and meta-analysis. Front Pharmacol 2022; 13:948852. [PMID: 35935843 PMCID: PMC9355043 DOI: 10.3389/fphar.2022.948852] [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] [Received: 05/20/2022] [Accepted: 07/01/2022] [Indexed: 12/03/2022] Open
Abstract
Objective: To compare the efficiency of anti-VEGF drugs intravitreal injections(IVI) treatment with or without retinal laser photocoagulation(LPC) for macular edema(ME) secondary to retinal vein occlusion(RVO). Methods: The randomized controlled trials and retrospective studies including anti-VEGF drug IVI combined with retinal LPC and single IVI in the treatment of macular edema secondary to RVO were collected in PubMed, Medline, Embase, Cochrane Library, and Web of Science. We extracted the main outcome indicators including the best corrected visual acuity (BCVA), central macular thickness(CMT), the number of injections and the progress of retinal non-perfusion areas(NPAs) for systematic evaluation, to observe whether IVI + LPC could be more effective on the prognosis of RVO. We use Review Manager 5.4 statistical software to analyze the data Results: 527 articles were initially retrieved. We included 20 studies, with a total of 1387 patients who were divided into the combination(IVI + LPC) treatment group and the single IVI group. All the patients completed the ocular examination including BCVA, slit-lamp test, fundus examination and Optical Coherence Tomography(OCT) test before and after each treatment. There was no statistical difference between the combination treatment group and single IVI group on BCVA(WMD = 0.12,95%CI = -3.54–3.78,p = 0.95),CMT(WMD = -4.40,95%CI = -21.33–12.53,p = 0.61) and NPAs(WMD = 0.01,95%CI = -0.28–0.30,p = 0.94).However, the number of IVI was decreased significantly in the combination treatment group in BRVO patients, compared to that in the single IVI group(WMD = -0.69,95%CI = -1.18∼-0.21,p = 0.005). Conclusion: In the treatment of RVO patients with macular edema, the combination of IVI and retinal LPC neither improves BCVA nor reduces CMT significantly compared with the single IVI treatment. However, the combination treatment can decrease the number of intravitreal injections in patients with BRVO, while it is not observed in CRVO patients.
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Affiliation(s)
- Weijie Zou
- Department of Ophthalmology, Second Affiliated Hospital of Soochow University, Suzhou, China
| | - Yuanyuan Du
- Department of Ophthalmology, Second Affiliated Hospital of Soochow University, Suzhou, China
| | - Xiaoyan Ji
- Department of Ophthalmology, Second Affiliated Hospital of Soochow University, Suzhou, China
| | - Ji Zhang
- Department of Ophthalmology, Second Affiliated Hospital of Soochow University, Suzhou, China
| | - Hongping Ding
- Department of Ophthalmology, Second Affiliated Hospital of Soochow University, Suzhou, China
| | - Jingqiao Chen
- Department of Ophthalmology, Second Affiliated Hospital of Soochow University, Suzhou, China
| | - Tao Wang
- Department of Ophthalmology, Changshu No.1 People’s Hospital, Suzhou, China
| | - Fangfang Ji
- Department of Ophthalmology, Second Affiliated Hospital of Soochow University, Suzhou, China
| | - Jiang Huang
- Department of Ophthalmology, Second Affiliated Hospital of Soochow University, Suzhou, China
- State Key Laboratory of Radiation Medicine and Protection, Soochow University, Suzhou, China
- *Correspondence: Jiang Huang,
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Zhou Y, Wagner SK, Chia MA, Zhao A, Woodward-Court P, Xu M, Struyven R, Alexander DC, Keane PA. AutoMorph: Automated Retinal Vascular Morphology Quantification Via a Deep Learning Pipeline. Transl Vis Sci Technol 2022; 11:12. [PMID: 35833885 PMCID: PMC9290317 DOI: 10.1167/tvst.11.7.12] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022] Open
Abstract
Purpose To externally validate a deep learning pipeline (AutoMorph) for automated analysis of retinal vascular morphology on fundus photographs. AutoMorph has been made publicly available, facilitating widespread research in ophthalmic and systemic diseases. Methods AutoMorph consists of four functional modules: image preprocessing, image quality grading, anatomical segmentation (including binary vessel, artery/vein, and optic disc/cup segmentation), and vascular morphology feature measurement. Image quality grading and anatomical segmentation use the most recent deep learning techniques. We employ a model ensemble strategy to achieve robust results and analyze the prediction confidence to rectify false gradable cases in image quality grading. We externally validate the performance of each module on several independent publicly available datasets. Results The EfficientNet-b4 architecture used in the image grading module achieves performance comparable to that of the state of the art for EyePACS-Q, with an F1-score of 0.86. The confidence analysis reduces the number of images incorrectly assessed as gradable by 76%. Binary vessel segmentation achieves an F1-score of 0.73 on AV-WIDE and 0.78 on DR HAGIS. Artery/vein scores are 0.66 on IOSTAR-AV, and disc segmentation achieves 0.94 in IDRID. Vascular morphology features measured from the AutoMorph segmentation map and expert annotation show good to excellent agreement. Conclusions AutoMorph modules perform well even when external validation data show domain differences from training data (e.g., with different imaging devices). This fully automated pipeline can thus allow detailed, efficient, and comprehensive analysis of retinal vascular morphology on color fundus photographs. Translational Relevance By making AutoMorph publicly available and open source, we hope to facilitate ophthalmic and systemic disease research, particularly in the emerging field of oculomics.
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Affiliation(s)
- Yukun Zhou
- Centre for Medical Image Computing, University College London, London, UK.,NIHR Biomedical Research Centre for Ophthalmology, Moorfields Eye Hospital NHS Foundation Trust and UCL Institute of Ophthalmology, London, UK.,Department of Medical Physics and Biomedical Engineering, University College London, London, UK
| | - Siegfried K Wagner
- NIHR Biomedical Research Centre for Ophthalmology, Moorfields Eye Hospital NHS Foundation Trust and UCL Institute of Ophthalmology, London, UK
| | - Mark A Chia
- NIHR Biomedical Research Centre for Ophthalmology, Moorfields Eye Hospital NHS Foundation Trust and UCL Institute of Ophthalmology, London, UK
| | - An Zhao
- Centre for Medical Image Computing, University College London, London, UK.,Department of Computer Science, University College London, London, UK
| | - Peter Woodward-Court
- NIHR Biomedical Research Centre for Ophthalmology, Moorfields Eye Hospital NHS Foundation Trust and UCL Institute of Ophthalmology, London, UK.,Institute of Health Informatics, University College London, London, UK
| | - Moucheng Xu
- Centre for Medical Image Computing, University College London, London, UK.,Department of Medical Physics and Biomedical Engineering, University College London, London, UK
| | - Robbert Struyven
- NIHR Biomedical Research Centre for Ophthalmology, Moorfields Eye Hospital NHS Foundation Trust and UCL Institute of Ophthalmology, London, UK.,Department of Medical Physics and Biomedical Engineering, University College London, London, UK
| | - Daniel C Alexander
- Centre for Medical Image Computing, University College London, London, UK.,Department of Computer Science, University College London, London, UK
| | - Pearse A Keane
- NIHR Biomedical Research Centre for Ophthalmology, Moorfields Eye Hospital NHS Foundation Trust and UCL Institute of Ophthalmology, London, UK
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Sim HE, Hwang JH. Hyperacute iris neovascularization following cataract surgery. Medicine (Baltimore) 2022; 101:e29356. [PMID: 35801772 PMCID: PMC9259162 DOI: 10.1097/md.0000000000029356] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/04/2023] Open
Abstract
RATIONALE We describe a case of acute neovascularization of the iris after uneventful cataract surgery. PATIENT CONCERNS A 78-year-old man visited our clinic for cataract surgery and glaucoma management. DIAGNOSES The patient underwent bilateral laser iridotomy 4 years ago. On ocular examination, the best-corrected visual acuity was no light perception in the right eye and 20/100 in the left eye. We observed pseudophakic bullous keratopathy in the right eye and cataracts and hemicentral retinal vein occlusion (CRVO) in the left eye. INTERVENTIONS The patient underwent cataract surgery in the left eye without complications. OUTCOMES The day after surgery we observed 360° of neovascularization in the iris and aggravated hemi-CRVO with macular edema. Therefore, we administered intravitreal bevacizumab in the left eye, after which the iris neovascularization and macular edema improved. LESSONS Cataract surgery can rapidly aggravate hemi-CRVO and cause iris neovascularization, which is responsive to bevacizumab.
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Affiliation(s)
- Ha Eun Sim
- Department of Ophthalmology, Sanggye Paik Hospital, Inje University of Korea, College of Medicine, Seoul, Republic of Korea
| | - Je Hyung Hwang
- Department of Ophthalmology, Sanggye Paik Hospital, Inje University of Korea, College of Medicine, Seoul, Republic of Korea
- * Correspondence: Je Hyung Hwang, MD, Department of Ophthalmology, College of Medicine, Sanggye Paik Hospital, Inje University of Korea, 1342 Dongil-ro, Nowon-Gu, Seoul 139-707, Republic of Korea (e-mail: )
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Huang YT, Chang YC, Meng PP, Lin CJ, Lai CT, Hsia NY, Chen HS, Tien PT, Bair H, Lin JM, Chen WL, Tsai YY. Optical Coherence Tomography Biomarkers in Predicting Treatment Outcomes of Diabetic Macular Edema After Dexamethasone Implants. Front Med (Lausanne) 2022; 9:852022. [PMID: 35755055 PMCID: PMC9218219 DOI: 10.3389/fmed.2022.852022] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2022] [Accepted: 05/23/2022] [Indexed: 01/09/2023] Open
Abstract
Purpose To identify optical coherence tomography (OCT) biomarkers that may predict functional and anatomical outcomes in diabetic macular edema (DME) patients treated with intravitreal dexamethasone (DEX) implant. Materials and Methods Sixty-four eyes from 50 patients with DME were enrolled. Best-corrected visual acuity (BCVA) and OCT biomarkers including central retinal thickness (CRT), subretinal fluid (SRF), intraretinal cysts (IRC), ellipsoid zone disruption (EZD), disorganization of retinal inner layers (DRIL), hard exudate (HE), hyperreflective foci (HRF), epiretinal membrane (ERM), and vitreomacular interface (VMI) changes were evaluated at baseline and at 3, 6, and 12 months after treatment. Multiple logistic analysis was performed to evaluate each OCT biomarker as a predictive factor for functional and anatomical improvement at the end of treatment. Results The presence of SRF at baseline was associated with a favorable outcome, with CRT improving by more than 100 μm after treatment from multivariate logistic regression analysis [odds ratio 6.16 (1.75-21.6)]. In addition, baseline SRF predicted a greater CRT improvement from multiple regression analysis (model R-square 0.11, p = 0.006). The reduction of DRIL, SRF, LONLC, IRC, and EZD were correlated with better CRT improvement (more than 100 μm) (P < 0.05). SRF and EZD recovery can also predict better visual prognosis (P < 0.05). Conclusion OCT biomarkers can be used to predict who may benefit the most after DEX treatment. We suggest that the DEX implant should be considered as a first line treatment in DME patients with SRF.
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Affiliation(s)
- Yu-Te Huang
- Department of Ophthalmology, China Medical University Hospital, China Medical University, Taichung, Taiwan
| | - Yen-Chieh Chang
- Department of Ophthalmology, China Medical University Hospital, China Medical University, Taichung, Taiwan
| | - Ping-Ping Meng
- Department of Ophthalmology, China Medical University Hospital, China Medical University, Taichung, Taiwan
| | - Chun-Ju Lin
- Department of Ophthalmology, China Medical University Hospital, China Medical University, Taichung, Taiwan.,School of Medicine, College of Medicine, China Medical University, Taichung, Taiwan.,Department of Optometry, Asia University, Taichung, Taiwan
| | - Chun-Ting Lai
- Department of Ophthalmology, China Medical University Hospital, China Medical University, Taichung, Taiwan
| | - Ning-Yi Hsia
- Department of Ophthalmology, China Medical University Hospital, China Medical University, Taichung, Taiwan
| | - Huan-Sheng Chen
- An-Shin Dialysis Center, NephroCare Ltd., Fresenius Medical Care, Taichung, Taiwan
| | - Peng-Tai Tien
- Department of Ophthalmology, China Medical University Hospital, China Medical University, Taichung, Taiwan.,Graduate Institute of Clinical Medical Science, College of Medicine, China Medical University, Taichung, Taiwan
| | - Henry Bair
- Department of Ophthalmology, China Medical University Hospital, China Medical University, Taichung, Taiwan.,Byers Eye Institute, Stanford University School of Medicine, Stanford, CA, United States
| | - Jane-Ming Lin
- Department of Ophthalmology, China Medical University Hospital, China Medical University, Taichung, Taiwan.,Department of Optometry, Asia University, Taichung, Taiwan
| | - Wen-Lu Chen
- Department of Ophthalmology, China Medical University Hospital, China Medical University, Taichung, Taiwan.,Department of Optometry, Asia University, Taichung, Taiwan
| | - Yi-Yu Tsai
- Department of Ophthalmology, China Medical University Hospital, China Medical University, Taichung, Taiwan.,School of Medicine, College of Medicine, China Medical University, Taichung, Taiwan.,Department of Optometry, Asia University, Taichung, Taiwan
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Ben Brahim M, Arfa S, Boubaker F, Chelly J, Ammari W, Hammami S, Arbi F, Berriche O. Case Report: Recurrent retinal vein occlusion as the first clinical manifestation of systemic lupus erythematosus in a male patient. F1000Res 2022; 10:761. [PMID: 35814626 PMCID: PMC9226707 DOI: 10.12688/f1000research.55189.4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 06/14/2022] [Indexed: 11/29/2022] Open
Abstract
Systemic lupus erythematosus (SLE) is a chronic, autoimmune disease characterized by widespread clinical manifestations and immunological disorders. A myriad of ocular manifestations can be seen in patients with SLE. The most vision-threatening complication is vaso-occlusive retinopathy including retinal vein occlusion (RVO). RVO associated with SLE is well described in the literature and its association with antiphospholipid antibodies is recognized. However, RVO as the initial manifestation of SLE is scarcely reported. Herein, we report the first case of recurrent RVO as the revealing manifestation of SLE in a 40-year-old male patient. He had two consecutive episodes of decreased vision. Ophthalmologic examination disclosed a branch retinal vein occlusion the first time and a central retinal vein occlusion the second time. The diagnosis of SLE was established based on clinical and immunological criteria. He was prescribed antiplatelet therapy, hydroxychloroquine at 5.5 mg/kg/day, and intravitreal anti-vascular endothelial growth factor (VEGF) antibodies regimen. He slowly improved under treatment.
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Affiliation(s)
- Marwa Ben Brahim
- Department of Internal Medicine and Endocrinology, Taher Sfar University Hospital, University of Monastir, Mahdia, 5100, Tunisia
| | - Sondes Arfa
- Department of Internal Medicine and Endocrinology, Taher Sfar University Hospital, University of Monastir, Mahdia, 5100, Tunisia
| | - Fadia Boubaker
- Department of Internal Medicine and Endocrinology, Taher Sfar University Hospital, University of Monastir, Mahdia, 5100, Tunisia
| | - Jihen Chelly
- Department of Internal Medicine and Endocrinology, Taher Sfar University Hospital, University of Monastir, Mahdia, 5100, Tunisia
| | - Wafa Ammari
- Department of Ophthalmology, Taher Sfar University Hospital, University of Monastir, Mahdia, 5100, Tunisia
| | - Sonia Hammami
- Department of Internal Medicine and Endocrinology, Fattouma Bourguiba University Hospital, University of Monastir, Monastir, 5000, Tunisia
- Biochemistry Laboratory,LR12ES05 LR-NAFS Nutrition-Functional Food and Vascular Health, Faculty of Medicine, University of Monastir, Monastir, 5000, Tunisia
| | - Fatma Arbi
- Department of Internal Medicine and Endocrinology, Taher Sfar University Hospital, University of Monastir, Mahdia, 5100, Tunisia
| | - Olfa Berriche
- Department of Internal Medicine and Endocrinology, Taher Sfar University Hospital, University of Monastir, Mahdia, 5100, Tunisia
- Biochemistry Laboratory,LR12ES05 LR-NAFS Nutrition-Functional Food and Vascular Health, Faculty of Medicine, University of Monastir, Monastir, 5000, Tunisia
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Priluck AZ, Arevalo JF, Pandit RR. Ischemic retinal events after COVID-19 vaccination. Am J Ophthalmol Case Rep 2022; 26:101540. [PMID: 35465337 PMCID: PMC9014657 DOI: 10.1016/j.ajoc.2022.101540] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2021] [Revised: 04/08/2022] [Accepted: 04/11/2022] [Indexed: 12/01/2022] Open
Abstract
Purpose We report 2 cases of ischemic retinal events occurring soon after administration of the Moderna and Johnson & Johnson/Janssen COVID-19 vaccines. To our knowledge, these are the first reports of isolated ischemic retinal events occurring after COVID-19 vaccination. Observations A 57-year-old female had new onset floaters of the left eye within days of her second Moderna COVID-19 vaccination, which progressively worsened prompting her to present for evaluation. She was diagnosed with a branch retinal vein occlusion in the left eye. A 20-year-old female presented with persistent central scotomata in both eyes, which she first noticed two days after her Johnson & Johnson/Jannsen COVID-19 vaccination. She was diagnosed with acute macular neuroretinopathy of both eyes. Conclusions and Importance The potential side effects of COVID-19 vaccines are still being established; however, there has been concern over pro-thrombotic events with these vaccines, with most concerns directed toward the Johnson & Johnson vaccine. We observed likely transient pro-thrombotic retinal milieu in patients who received these vaccines though it remains unclear whether there is a shared mechanism between systemic response to the COVID-19 spike protein and the highly pro-thrombotic state seen in COVID-19 infections. In the case of our patients, we postulate their immunologic responses to the vaccines - and possibly a resultant pro-thrombotic state - may have precipitated their ischemic retinal events. We thus recommend that patients with ocular symptoms after COVID-19 vaccination undergo comprehensive ophthalmologic evaluation.
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Güven YZ, Akbalık T, Akay F. Nasal vein occlusion after COVID-19: A case report. Indian J Ophthalmol 2022; 70:2195-2196. [PMID: 35648015 PMCID: PMC9359254 DOI: 10.4103/ijo.ijo_680_22] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022] Open
Abstract
To present a case of nasal vein occlusion that has not been reported after the coronavirus disease 2019 (Covid-19) pandemic. A 53-year-old patient reported a complaint of floaters after a recent severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection. His best corrected visual acuity (BCVA) was 20/20 for both the eyes. On examination, a flame-shaped hemorrhage was observed in the left eye around the infero-nasal area adjacent to the optic disc. Temporal branch vein occlusion has been widely reported in association with SARS-CoV-2 infection. We emphasize that nasal vein occlusions triggered by Covid-19, which do not cause vision loss, should also be considered.
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Affiliation(s)
- Yusuf Z Güven
- Department of Ophthalmology, Atatürk Educating and Research Hospital, İzmir Katip Çelebi University, Hatay, Izmir, Turkey
| | - Turan Akbalık
- Department of Ophthalmology, Atatürk Educating and Research Hospital, İzmir Katip Çelebi University, Hatay, Izmir, Turkey
| | - Fahrettin Akay
- Department of Ophthalmology, Atatürk Educating and Research Hospital, İzmir Katip Çelebi University, Hatay, Izmir, Turkey
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Complete Blood Count-Derived Inflammation Indices and Retinal Vein Occlusion: A Case-Control Study. Ophthalmol Ther 2022; 11:1241-1249. [PMID: 35503164 PMCID: PMC9114275 DOI: 10.1007/s40123-022-00511-0] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2022] [Accepted: 04/08/2022] [Indexed: 11/26/2022] Open
Abstract
Introduction This study evaluated complete blood count-derived inflammation indices in patients with retinal vein occlusion (RVO). Methods Participants in this case–control study were 54 patients with RVO and 54 age- and sex-matched control subjects. All participants underwent a thorough ophthalmic examination, as well as blood sample testing for complete blood count. Comparison of all parameters derived from complete blood count as well as calculation of specific indices was performed between patients with RVO and controls. Results Patients with RVO presented significantly higher white blood cell count (p = 0.033), neutrophil count (p = 0.003), neutrophil-to-lymphocyte ratio (NLR, p = 0.002), red cell distribution width (RDW, p = 0.009), mean platelet volume (MPV, p = 0.023), and systemic immune-inflammatory index (SII, p = 0.007) compared to controls. Receiver operator characteristic curve (ROC) analysis showed that NLR was superior to other inflammatory indices, having the greatest area under the curve. The optimal cutoff value for NLR to predict RVO was 2.29 with 46.2% sensitivity and 77.8% specificity. Conclusion Patients with RVO presented increased NLR, RDW, MPV, and SII, providing evidence that inflammation plays an important role in the pathogenesis of RVO. Complete blood cell count-derived indices can be easily calculated and may serve as an easy, simple, and cost-effective tool to evaluate the degree of systemic inflammation in patients with RVO, so as to potentially guide treatment.
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50
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Huang YT, Wang I, Lin CJ, Lai CT, Hsia NY, Chen HS, Tien PT, Bair H, Lin JM, Chen WL, Chen CH, Wu WC, Tsai YY. Comparison of Choroidal Thickness, Foveal Avascular Zone, and Macular Capillary Density in Macular Edema Secondary to Branch Retinal Vein Occlusion Treated with Ranibizumab or Aflibercept-A Prospective Study. MEDICINA (KAUNAS, LITHUANIA) 2022; 58:medicina58040540. [PMID: 35454378 PMCID: PMC9031043 DOI: 10.3390/medicina58040540] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/06/2022] [Revised: 04/10/2022] [Accepted: 04/11/2022] [Indexed: 11/16/2022]
Abstract
This prospective comparative case series aims to compare best-corrected visual acuity (BCVA), retinal microvasculature, and retinal structural changes in patients treated with either ranibizumab or aflibercept for macular edema (ME) secondary to treatment-naïve branch retinal vein occlusion (BRVO) by optical coherence tomography angiography (OCTA). Ten patients were enrolled with macular capillary density of the superficial capillary plexus (SCP) and deep capillary plexus (DCP) and foveal avascular zone (FAZ) measured in both eyes before and after treatment. Final central retinal thickness and BCVA improved significantly (p < 0.05), and densities of SCP and DCP of BRVO sectors were significantly lower at baseline than fellow eye counterparts and remained persistently lower during treatment, particularly in the aflibercept group (p < 0.05). SCP density, DCP density of both BRVO sectors (p = 0.0001, p < 0.0001), and non-BRVO sectors (p < 0.0001, p < 0.0001) were significantly correlated with final BCVA for diseased eyes. Using multivariate general linear model analysis, and including OCTA parameters only, but not all of the available clinical data, DCP density of BRVO sectors in both eyes was the most predictive factor for final visual outcome (probability p < 0.0001). OCTA offered further qualitative and quantitative evaluation of treatment-naïve BRVO. Judging by OCTA parameters, not only in the diseased eye but also in the fellow eye, DCP density of BRVO sectors was the most predictive factor of final visual outcome.
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Affiliation(s)
- Yu-Te Huang
- Department of Ophthalmology, China Medical University Hospital, China Medical University, Taichung 404, Taiwan; (Y.-T.H.); (I.W.); (N.-Y.H.); (P.-T.T.); (J.-M.L.); (W.-L.C.); (C.-H.C.); (W.-C.W.); (Y.-Y.T.)
| | - I Wang
- Department of Ophthalmology, China Medical University Hospital, China Medical University, Taichung 404, Taiwan; (Y.-T.H.); (I.W.); (N.-Y.H.); (P.-T.T.); (J.-M.L.); (W.-L.C.); (C.-H.C.); (W.-C.W.); (Y.-Y.T.)
| | - Chun-Ju Lin
- Department of Ophthalmology, China Medical University Hospital, China Medical University, Taichung 404, Taiwan; (Y.-T.H.); (I.W.); (N.-Y.H.); (P.-T.T.); (J.-M.L.); (W.-L.C.); (C.-H.C.); (W.-C.W.); (Y.-Y.T.)
- School of Medicine, College of Medicine, China Medical University, Taichung 404, Taiwan
- Department of Optometry, Asia University, Taichung 413, Taiwan
- Correspondence: (C.-J.L.); (C.-T.L.); Tel.: +886-4-22052121 (ext. 1141) (C.-J.L.); Fax: 886-4-22059265 (C.-J.L.)
| | - Chun-Ting Lai
- Department of Ophthalmology, China Medical University Hospital, China Medical University, Taichung 404, Taiwan; (Y.-T.H.); (I.W.); (N.-Y.H.); (P.-T.T.); (J.-M.L.); (W.-L.C.); (C.-H.C.); (W.-C.W.); (Y.-Y.T.)
- Correspondence: (C.-J.L.); (C.-T.L.); Tel.: +886-4-22052121 (ext. 1141) (C.-J.L.); Fax: 886-4-22059265 (C.-J.L.)
| | - Ning-Yi Hsia
- Department of Ophthalmology, China Medical University Hospital, China Medical University, Taichung 404, Taiwan; (Y.-T.H.); (I.W.); (N.-Y.H.); (P.-T.T.); (J.-M.L.); (W.-L.C.); (C.-H.C.); (W.-C.W.); (Y.-Y.T.)
| | - Huan-Sheng Chen
- An-Shin Dialysis Center, NephroCare Ltd., Fresenius Medical Care, Taichung 401, Taiwan;
| | - Peng-Tai Tien
- Department of Ophthalmology, China Medical University Hospital, China Medical University, Taichung 404, Taiwan; (Y.-T.H.); (I.W.); (N.-Y.H.); (P.-T.T.); (J.-M.L.); (W.-L.C.); (C.-H.C.); (W.-C.W.); (Y.-Y.T.)
- Graduate Institute of Clinical Medical Science, College of Medicine, China Medical University, Taichung 404, Taiwan
| | - Henry Bair
- Byers Eye Institute, Stanford University School of Medicine, Stanford, CA 94303, USA;
| | - Jane-Ming Lin
- Department of Ophthalmology, China Medical University Hospital, China Medical University, Taichung 404, Taiwan; (Y.-T.H.); (I.W.); (N.-Y.H.); (P.-T.T.); (J.-M.L.); (W.-L.C.); (C.-H.C.); (W.-C.W.); (Y.-Y.T.)
| | - Wen-Lu Chen
- Department of Ophthalmology, China Medical University Hospital, China Medical University, Taichung 404, Taiwan; (Y.-T.H.); (I.W.); (N.-Y.H.); (P.-T.T.); (J.-M.L.); (W.-L.C.); (C.-H.C.); (W.-C.W.); (Y.-Y.T.)
| | - Chang-He Chen
- Department of Ophthalmology, China Medical University Hospital, China Medical University, Taichung 404, Taiwan; (Y.-T.H.); (I.W.); (N.-Y.H.); (P.-T.T.); (J.-M.L.); (W.-L.C.); (C.-H.C.); (W.-C.W.); (Y.-Y.T.)
| | - Wen-Chuan Wu
- Department of Ophthalmology, China Medical University Hospital, China Medical University, Taichung 404, Taiwan; (Y.-T.H.); (I.W.); (N.-Y.H.); (P.-T.T.); (J.-M.L.); (W.-L.C.); (C.-H.C.); (W.-C.W.); (Y.-Y.T.)
| | - Yi-Yu Tsai
- Department of Ophthalmology, China Medical University Hospital, China Medical University, Taichung 404, Taiwan; (Y.-T.H.); (I.W.); (N.-Y.H.); (P.-T.T.); (J.-M.L.); (W.-L.C.); (C.-H.C.); (W.-C.W.); (Y.-Y.T.)
- School of Medicine, College of Medicine, China Medical University, Taichung 404, Taiwan
- Department of Optometry, Asia University, Taichung 413, Taiwan
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