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Retinal occlusion

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https://www.readbyqxmd.com/read/27918469/dietary-compound-chrysin-inhibits-retinal-neovascularization-with-abnormal-capillaries-in-db-db-mice
#1
Min-Kyung Kang, Sin-Hye Park, Yun-Ho Kim, Eun-Jung Lee, Lucia Dwi Antika, Dong Yeon Kim, Yean-Jung Choi, Young-Hee Kang
Diabetic retinopathy (DR) develops in a significant proportion of patients with chronic diabetes, characterized by retinal macular edema and abnormal retinal vessel outgrowth leading to vision loss. Chrysin, a naturally-occurring flavonoid found in herb and honeycomb, has anti-inflammatory, antioxidant, and anti-cancer properties. This study sought to determine the protective effects of chrysin on retinal neovascularization with abnormal vessels and blood-retinal barrier (BRB) breakdown in 33 mM glucose-exposed human retinal endothelial cells and in db/db mouse eyes...
December 3, 2016: Nutrients
https://www.readbyqxmd.com/read/27914836/perioperative-retinal-artery-occlusion-risk-factors-in-cardiac-surgery-from-the-united-states-national-inpatient-sample-1998-2013
#2
Tyler Calway, Daniel S Rubin, Heather E Moss, Charlotte E Joslin, Katharina Beckmann, Steven Roth
PURPOSE: To study the incidence and risk factors for retinal artery occlusion (RAO) in cardiac surgery. DESIGN: Retrospective study using the National Inpatient Sample (NIS). METHODS: The NIS was searched for cardiac surgery. Retinal artery occlusion was identified by International Classification of Diseases, Ninth Revision, Clinical Modification (ICD-9-CM) codes. Postulated risk factors based on literature review were included in multivariate logistic models...
November 30, 2016: Ophthalmology
https://www.readbyqxmd.com/read/27911446/treatment-patterns-of-ranibizumab-intravitreal-injection-and-dexamethasone-intravitreal-implant-for-retinal-vein-occlusion-in-the-usa
#3
S Nghiem-Buffet, S Baillif, S Regnier, A Skelly, N Yu, A Sodi
PurposeRanibizumab, an anti-vascular endothelial growth factor, and dexamethasone, a corticosteroid, have been shown to be effective in treating macular oedema secondary to retinal vein occlusion (RVO) (central RVO (CRVO) and branch RVO (BRVO)). Their real-world usage, however, has yet to be compared. We therefore evaluated ophthalmology visits for both drugs using US patient-level data.MethodsThe IMS Health Real-World Data Medical Claims database was used to identify treatment-naive patients receiving ranibizumab intravitreal injections or dexamethasone intravitreal implants between June 2010 and February 2014 who had 12 months of follow-up data...
December 2, 2016: Eye
https://www.readbyqxmd.com/read/27911421/-analysis-of-changes-in-central-macular-thickness-based-on-optical-coherence-tomography-angiography-findings-in-retinal-vein-occlusion
#4
M V Budzinskaya, A V Shelankova, M A Mikhailova, A A Plyukhova, N M Nurieva, A V Fomin
AIM: To investigate the relationship between OCT angiography measurements and central fundus changes in patients with retinal vein occlusion (RVO). MATERIAL AND METHODS: The study enrolled 21 RVO patients aged from 55 to 86 years (69.9±2.28 years), including 8 patients with ischemic central RVO (I-CRVO; 73.6±3.4 years on average) and 13 patients with branch RVO (BRVO; 67.6±3.0 years on average). Of the latter, 8 cases were ischemic (I-BRVO) and 5 non-ischemic (NI-BRVO)...
2016: Vestnik Oftalmologii
https://www.readbyqxmd.com/read/27911131/outcomes-of-patients-initially-treated-with-intravitreal-bevacizumab-for-central-retinal-vein-occlusion-long-term-follow-up
#5
Dan Călugăru, Mihai Călugăru
No abstract text is available yet for this article.
December 2, 2016: Seminars in Ophthalmology
https://www.readbyqxmd.com/read/27907042/role-of-platelet-parameters-on-neovascular-glaucoma-a-retrospective-case-control-study-in-china
#6
Shengjie Li, Wenjun Cao, Xinghuai Sun
PURPOSE: Retinal vein occlusion (RVO) and diabetic retinopathy (DR) are two major sight-threatening diseases which may lead to neovascular glaucoma (NVG). The aim of this study was to explore the association between platelet parameters and NVG. METHODS: A total of 185 subjects were enrolled for the study from January, 2012 to December, 2015 at the Eye-ENT Hospital of Fudan University. Patients include those with NVG secondary to RVO (RVO group, n = 38), patients with NVG secondary to DR (DR group, n = 47), diabetics mellitus without retinopathy (DM group, n = 52), and healthy individuals (control group, n = 48)...
2016: PloS One
https://www.readbyqxmd.com/read/27907041/carotid-atherosclerosis-cerebrospinal-fluid-pressure-and-retinal-vessel-diameters-the-asymptomatic-polyvascular-abnormalities-in-community-study
#7
Jing Yan Yang, Xuan Yang, Yang Li, Jie Xu, Yong Zhou, An Xin Wang, Xiang Gao, Liang Xu, Shou Ling Wu, Wen Bin Wei, Xing Quan Zhao, Jost B Jonas
PURPOSE: To assess relationships between carotid artery atherosclerosis and retinal arteriolar and venular diameters. METHODS: The community-based longitudinal Asymptomatic Polyvascular Abnormalities Community Study (APAC) included a sub-population of the Kailuan study which consisted of 101,510 employees and retirees of a coal mining industry. Based on the Chinese National Census 2010 and excluding individuals with history of cerebrovascular ischemic events, 4004 individuals were included into the APAC...
2016: PloS One
https://www.readbyqxmd.com/read/27903073/comparison-between-early-or-late-intravitreal-injection-of-dexamethasone-implant-in-branch-brvo-or-central-crvo-retinal-vein-occlusion-six-months-follow-up
#8
Fernanda Pacella, Giuseppe La Torre, Stefania Basili, Monica Autolitano, Antonella Pascarella, Tommaso Lenzi, Elena Pacella
PURPOSE: The purpose of this study was to compare early and late injections of intravitreal dexamethasone implant in patients affected by central retinal vein occlusion (CRVO) or branch retinal vein occlusion (BRVO) with a six-month follow-up. We assessed whether an earlier treatment start (within 7 days from diagnosis) could be more beneficial than a delayed (or late) treatment start (after 7 days). MATERIALS AND METHODS: The study included 81 patients (81 eyes) affected by retinal vein occlusion...
November 30, 2016: Cutaneous and Ocular Toxicology
https://www.readbyqxmd.com/read/27902540/macular-perivenous-retinal-whitening-and-presumed-retino-ciliary-sparing-in-a-recurrent-central-retinal-vein-occlusion-associated-with-the-antiphospholipid-syndrome-and-cryoglobulinemia
#9
Dov B Sebrow, Jesse J Jung, Jason Horowitz, Jeffrey G Odel, K Bailey Freund
PURPOSE: Macular perivenous retinal whitening results from hypoperfusion-induced ischemia of the middle retina that can occur in central retinal vein occlusion (CRVO). We describe an unusual case of recurrent CRVO with macular perivenous retinal whitening and retino-ciliary venous sparing in the setting of 2 prothrombotic diseases, antiphospholipid syndrome and Type II cryoglobulinemia. METHODS: A 50-year-old man presented with intermittent loss of vision in his right eye related to a recurrent CRVO...
November 29, 2016: Retinal Cases & Brief Reports
https://www.readbyqxmd.com/read/27895936/neovascular-glaucoma-a-review
#10
REVIEW
Gustavo B Rodrigues, Ricardo Y Abe, Camila Zangalli, Savio L Sodre, Flavia A Donini, Danilo C Costa, Andre Leite, Joao P Felix, Marcelo Torigoe, Alberto Diniz-Filho, Homero Gusmão de Almeida
Neovascular glaucoma (NVG) is a secondary glaucoma generally associated with poor visual prognosis. The development of new vessels over the iris and the iridocorneal angle can obstruct aqueous humor outflow and lead to increased intraocular pressure. The underlying pathogenesis in most cases is posterior segment ischemia, which is most commonly secondary to proliferative diabetic retinopathy or central vein retinal occlusion. The neovascularization process in the eye is driven by the events that alter the homeostatic balance between pro-angiogenic factors, such as the vascular endothelial growth factor and anti-angiogenic factors, such as the pigment-epithelium-derived factor...
2016: International Journal of Retina and Vitreous
https://www.readbyqxmd.com/read/27893623/efficacy-and-safety-of-intravitreal-conbercept-injections-in-macular-edema-secondary-to-retinal-vein-occlusion
#11
Zuhua Sun, Haiying Zhou, Bing Lin, Xuan Jiao, Yingdong Luo, Feng Zhang, Shanshan Tao, Quan Wu, Zunhong Ke, Xiaoling Liu
PURPOSE: To assess the efficacy and safety of intravitreal conbercept injections in patients with macular edema secondary to retinal vein occlusion (RVO). METHODS: A prospective, Phase II clinical trial was performed on 60 patients with macular edema secondary to RVO. Thirty patients had branch RVO (BRVO) and 30 had central RVO (CRVO). Each patient received intravitreal injections of conbercept monthly up to 3 months, followed by monthly evaluation and injection pro re nata to Month 9...
November 23, 2016: Retina
https://www.readbyqxmd.com/read/27890437/trends-of-anti-vascular-endothelial-growth-factor-use-in-ophthalmology-among-privately-insured-and-medicare-advantage-patients
#12
Ravi Parikh, Joseph S Ross, Lindsey R Sangaralingham, Ron A Adelman, Nilay D Shah, Andrew J Barkmeier
PURPOSE: To characterize the first 10 years of intravitreal anti-vascular endothelial growth factor (VEGF) medication use for ophthalmic disease, including bevacizumab, ranibizumab, and aflibercept. DESIGN: A retrospective cohort study using administrative claims data from January 1, 2006 to December 31, 2015. SUBJECTS: Total of 124 835 patients 18 years of age or over in the United States. METHODS: OptumLabs Data Warehouse, which includes administrative claims data for over 100 million commercially insured and Medicare Advantage individuals, was used to identify patients receiving intravitreal anti-VEGF injections based on Current Procedural Terminology codes...
November 24, 2016: Ophthalmology
https://www.readbyqxmd.com/read/27889587/pharmaceutical-technology-can-turn-a-traditional-drug-dexamethasone-into-a-first-line-ocular-medicine-a-global-perspective-and-future-trends
#13
Javier Rodríguez Villanueva, Laura Rodríguez Villanueva, Manuel Guzmán Navarro
Dexamethasone is one of the most prescribed glucocorticoids. It is effective and safe in the treatment of a wide variety of ocular conditions, including anterior and posterior segment inflammation. However, its half-life in the vitreous humor is very short, which means that it typically requires frequent administrations, thus reducing patient adherence and causing therapeutic failure. Innovative dexamethasone delivery systems have been designed in an attempt to achieve sustained release and targeting. The FDA has approved dexamethasone implants for the treatment of macular edema secondary to retinal vein occlusion and posterior segment noninfectious uveitis...
November 23, 2016: International Journal of Pharmaceutics
https://www.readbyqxmd.com/read/27886897/update-on-the-management-of-central-retinal-artery-occlusion
#14
REVIEW
Michael Dattilo, Valérie Biousse, Nancy J Newman
Central retinal artery occlusion (CRAO) is caused by partial or complete occlusion of the central retinal artery, most commonly by an embolus from the ipsilateral carotid artery, aortic arch, or heart, and is the ocular equivalent of an acute cerebral ischemic event. The risk factors for a CRAO and acute cerebral ischemia are very similar, if not identical. Because no current therapeutic intervention has been shown to improve visual outcomes compared with the natural history of CRAO, management of CRAO should be focused on secondary prevention of vascular events, such as cerebral ischemia, myocardial infarction, and cardiovascular death...
February 2017: Neurologic Clinics
https://www.readbyqxmd.com/read/27886183/fingolimod-therapeutic-mechanisms-and-ocular-adverse-effects
#15
REVIEW
P Mandal, A Gupta, W Fusi-Rubiano, P A Keane, Y Yang
Fingolimod is an oral immunomodulating drug used in the management of relapsing-remitting multiple sclerosis (RRMS). We aim to review the published literature on ocular manifestations of fingolimod therapy and their possible underlying mechanisms. The therapeutic effects of fingolimod are mediated via sphingosine receptors, which are found ubiquitously in various organs, including lymphoid cells, central nervous system, cardiac myocytes, and smooth muscle cells. Fingolimod-associated macular oedema (FAME) is the most common ocular side effect but retinal haemorrhages and retinal vein occlusion can occur...
November 25, 2016: Eye
https://www.readbyqxmd.com/read/27884546/-results-of-trabeculectomy-with-anti-vgef-therapy-in-the-treatment-of-neovascular-glaucoma-secondary-to-retinal-vein-occlusion-report-of-21%C3%A2-cases-followed-at-bukavu-eye-clinic-from-january-1%C3%A2-to-december-31th-2015
#16
T B Kabesha, D Kabesha, V Maloba, C Mwamba, B Chenge, A Mukalay
PURPOSE: To evaluate the results of anti-VGEF with trabeculectomy in the treatment of neovascular glaucoma, a severe complication of retinal vein occlusion (RVO). PATIENTS AND METHODS: This is a prospective case series of consecutive patients with neovascular glaucoma secondary to retinal vein occlusion. All patients underwent panretinal photocoagulation and a mean of 3 anti-VEGF injections prior to trabeculectomy. Ophthalmic parameters were recorded pre- and postoperatively: visual acuity (VA), intraocular pressure (IOP), iris examination, gonioscopy and fundus examination, and as necessary, fluorescein angiography...
November 21, 2016: Journal Français D'ophtalmologie
https://www.readbyqxmd.com/read/27882244/evaluation-of-peripapillary-nerve-fiber-layer-after-dexamethasone-implantation-ozurdex-in-branch-retinal-vein-occlusions
#17
Muhammed Nurullah Bulut, Yusuf Özertürk, Ümit Çallı, Güzide Akçay, Ulviye Kıvrak, Kezban Bulut
Purpose. To evaluate the peripapillary retinal nerve fiber layer (RNFL) thicknesses of patients treated with intravitreal Ozurdex implant due to branch retinal vein occlusion (BRVO) related macular edema (ME). Methods. Thirty-three eyes of 33 patients treated with Ozurdex implant due to ME associated with BRVO were included in the study. Ophthalmic examinations including determination of best corrected visual acuity (BCVA), measurement of intraocular pressure (IOP), and central macular thickness (CMT) and peripapillary RNFL assessment with optical coherence tomography (OCT) were performed before the injection of Ozurdex implant and during the 6-month follow-up period after the injection...
2016: Journal of Ophthalmology
https://www.readbyqxmd.com/read/27878430/short-term-safety-of-dexamethasone-implant-for-treatment-of-macular-edema-due-to-retinal-vein-occlusion-in-eyes-with-glaucoma-or-treated-ocular-hypertension
#18
Sofia Theodoropoulou, Abdallah A Ellabban, Robert L Johnston, Helena Cilliers, Quresh Mohamed, Ahmed B Sallam
PURPOSE: To report the short-term safety of dexamethasone implants to treat macular edema due to retinal vein occlusion (RVO), in eyes with treated glaucoma or ocular hypertension at baseline using an as-needed re-treatment regimen. METHODS: Retrospective clinical database study from two centers using the same electronic medical record system. Extracted data included: intraocular pressure (IOP), visual acuity (VA), central 1 mm retinal thickness (CRT) by optical coherence tomography, phakic status, number of injections, glaucoma treatment, and peri-operative complications...
November 22, 2016: Graefe's Archive for Clinical and Experimental Ophthalmology
https://www.readbyqxmd.com/read/27874278/placental-growth-factor-and-its-potential-role-in-diabetic-retinopathy-and-other-ocular-neovascular-diseases
#19
REVIEW
Quan Dong Nguyen, Sandro De Falco, Francine Behar-Cohen, Wai-Ching Lam, Xuri Li, Nadine Reichhart, Federico Ricci, Jennifer Pluim, William W Li
The role of vascular endothelial growth factor (VEGF), including in retinal vascular diseases, has been well studied, and pharmacological blockade of VEGF is the gold standard of treatment for neovascular age-related macular degeneration, retinal vein occlusion and diabetic macular oedema. Placental growth factor (PGF, previously known as PlGF), a homologue of VEGF, is a multifunctional peptide associated with angiogenesis-dependent pathologies in the eye and non-ocular conditions. Animal studies using genetic modification and pharmacological treatment have demonstrated a mechanistic role for PGF in pathological angiogenesis...
November 22, 2016: Acta Ophthalmologica
https://www.readbyqxmd.com/read/27872778/a-case-of-secondary-epiretinal-membrane-spontaneous-release
#20
Andrey N Andreev, Alexey V Bushuev, Sergey N Svetozarskiy
Purpose. To report a rare case of secondary epiretinal membrane (ERM) spontaneous separation with subsequent visual restoration. Case Summary. We are reporting a case with the history of branch retinal vein occlusion, peripheral retinal neovascularization, and retinal photocoagulation. Our examination revealed secondary ERM associated with relatively high visual acuity (0.6), and a watchful waiting strategy was chosen. During the follow-up, slight visual deterioration, progressive deformation of the retinal profile, and an increase in diffuse retinal edema were observed...
2016: Case Reports in Ophthalmological Medicine
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