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Central retinal vein

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https://www.readbyqxmd.com/read/28222036/vascular-risk-factors-are-associated-with-retinal-arteriolar-narrowing-and-venular-widening-in-children-and-adolescents-with-type-1-diabetes
#1
Stuart Keel, Catherine Itsiopoulos, Konstandina Koklanis, Meri Vukicevic, Fergus Cameron, Laima Brazionis
BACKGROUND: The aim of the study was to describe the relationship of retinal arteriolar and venular calibre with vascular risk factors in children and adolescents with type 1 diabetes. METHODS: In this hospital-based cross-sectional study, the medical files of 483 children and adolescents with type 1 diabetes were audited to collect retinal images and relevant clinical data. Retinal vascular calibre was measured using standardised protocols. RESULTS: After multivariable adjustments, a vascular risk profile that included: older age, higher serum creatinine, higher systolic blood pressure (SBP), higher body mass index (BMI), abnormal estimated glomerular filtration rate (eGFR), lower high-density lipoproteins (HDL) cholesterol, longer duration of diabetes and higher serum sodium was associated with narrower central retinal artery equivalent (CRAE) (95% CI=-4...
February 21, 2017: Journal of Pediatric Endocrinology & Metabolism: JPEM
https://www.readbyqxmd.com/read/28214955/ranibizumab-versus-aflibercept-for-macular-edema-due-to-central-retinal-vein-occlusion-18-month-results-in-real-life-data
#2
Irini Chatziralli, George Theodossiadis, Marilita M Moschos, Panagiotis Mitropoulos, Panagiotis Theodossiadis
PURPOSE: The objective of this study was to compare the anatomical and functional outcomes of ranibizumab versus aflibercept for the treatment of macular edema due to central retinal vein occlusion (CRVO) in routine clinical practice. METHODS: Participants in this observational study included 62 treatment-naïve patients with CRVO who received intravitreal injections of either ranibizumab or aflibercept. The demographic data, best-corrected visual acuity (BCVA) and spectral-domain optical coherence tomography (SD-OCT) characteristics were evaluated at baseline and at months 1, 2, 3, 6, 12 and 18 post-treatment...
February 18, 2017: Graefe's Archive for Clinical and Experimental Ophthalmology
https://www.readbyqxmd.com/read/28207609/ischemic-central-retinal-vein-occlusion-in-the-anti-vascular-endothelial-growth-factor-era
#3
Emily K Tam, Pamela Golchet, Madeline Yung, Francis C DeCroos, Marc Spirn, Lydia Lehmann-Clarke, Aude Ambresin, Irena Tsui
PURPOSE: Anti-vascular endothelial growth factor therapy has improved the prognosis for patients with central retinal vein occlusion (CRVO). However, most studies published to date exclude ischemic CRVO. The purpose of this study was to describe the outcome in eyes with ischemic CRVO treated with anti-vascular endothelial growth factor therapy. METHODS: Thirty-seven patients with ischemic CRVO from 3 centers were followed for at least 6 months. Data on patient demographic, vision status, and anti-vascular endothelial growth factor treatments were collected...
February 15, 2017: Retina
https://www.readbyqxmd.com/read/28187470/-indications-for-retinal-laser-therapy-revisited
#4
P Enders, F Schaub, S Fauser
Background Laser therapy is an important treatment option in retinal diseases, especially in cases of vascular involvement. Most approaches are based on coagulation of retinal structures. As there is increasing use of agents targetting vascular endothelial growth factor in the treatment of macular diseases, indications for the use of laser treatment need to be reviewed carefully, especially with respect to their significance in first line therapy. This article explains recent strategies and treatment protocols...
February 10, 2017: Klinische Monatsblätter Für Augenheilkunde
https://www.readbyqxmd.com/read/28161829/effect-of-oral-niacin-on-central-retinal-vein-occlusion
#5
Michael W Gaynon, Yannis M Paulus, Ehsan Rahimy, Janet L Alexander, Sam E Mansour
PURPOSE: Niacin, a treatment for dyslipidemia, is known to induce vasodilation as a secondary effect. Previous instances of patients with chronic central retinal vein occlusion (CRVO) and cystoid macular edema (CME) have been observed to spontaneously improve when placed on systemic niacin for hypercholesterolemia. The purpose of this study was to evaluate the effects of niacin on CRVO and associated ocular complications. METHODS: A prospective, single-center, non-randomized, interventional case series of niacin for CRVO was conducted...
February 4, 2017: Graefe's Archive for Clinical and Experimental Ophthalmology
https://www.readbyqxmd.com/read/28151838/retinal-blood-flow-after-intravitreal-bevacizumab-is-a-predictive-factor-for-outcomes-of-macular-edema-associated-with-central-retinal-vein-occlusion
#6
Makiko Matsumoto, Kiyoshi Suzuma, Yoshihisa Yamada, Eiko Tsuiki, Azusa Fujikawa, Takashi Kitaoka
PURPOSE: To investigate whether retinal blood flow levels after intravitreal bevacizumab (IVB) treatment are correlated with the outcomes of patients with macular edema secondary to central retinal vein occlusion. METHODS: This retrospective observational case study enrolled 44 cases nonischemic central retinal vein occlusion. In each patient, visual acuity, central retinal thickness, and mean blur rate, which was measured by laser speckle flowgraphy and represents retinal blood flow velocity, were examined...
February 1, 2017: Retina
https://www.readbyqxmd.com/read/28127735/effects-of-panretinal-laser-photocoagulation-on-the-corneal-nerve-plexus-and-retinal-nerve-fiber-layer-in-retinal-vein-occlusion
#7
Gulfidan Bitirgen, Selman Belviranli, Rayaz A Malik, Hurkan Kerimoglu, Ahmet Ozkagnici
PURPOSE: To determine the effects of panretinal photocoagulation (PRP) on corneal sub-basal nerve plexus (SBNP) and peripapillary retinal nerve fiber layer (RNFL) thickness in patients with unilateral central retinal vein occlusion (CRVO) who had previously undergone PRP treatment. METHODS: Sixty-four eyes of 32 patients (19 male, 13 female) with unilateral ischemic type CRVO who had undergone PRP treatment at least 6 months previously were included in this cross-sectional study...
January 23, 2017: European Journal of Ophthalmology
https://www.readbyqxmd.com/read/28124146/aniseikonia-in-various-retinal-disorders
#8
Fumiki Okamoto, Yoshimi Sugiura, Yoshifumi Okamoto, Takahiro Hiraoka, Tetsuro Oshika
PURPOSE: The purpose was to quantify and compare the severity of aniseikonia in patients undergoing vitrectomy for various retinal disorders. METHODS: We studied 357 patients with retinal disorders including epiretinal membrane (ERM), macular hole (MH), cystoid macular edema with branch / central retinal vein occlusion (BRVO-CME / CRVO-CME), diabetic macular edema (DME), macula-off rhegmatogenous retinal detachment (M-off RD), and macula-on RD (M-on RD) as well as 31 normal controls...
January 25, 2017: Graefe's Archive for Clinical and Experimental Ophthalmology
https://www.readbyqxmd.com/read/28114569/optical-coherence-tomography-angiography-analysis-of-the-foveal-avascular-zone-and-macular-vessel-density-after-anti-vegf-therapy-in-eyes-with-diabetic-macular-edema-and-retinal-vein-occlusion
#9
Khalil Ghasemi Falavarjani, Nicholas A Iafe, Jean-Pierre Hubschman, Irena Tsui, Srinivas R Sadda, David Sarraf
Purpose: To evaluate the changes in foveal avascular zone (FAZ) area and the retinal capillary density after a single intravitreal anti-VEGF injection for macular edema secondary to diabetic retinopathy or retinal vein occlusion. Methods: In this prospective noncomparative case series, 18 eyes of 15 patients with diabetic macular edema (13 eyes) or macular edema secondary to central retinal vein occlusion (5 eyes) were included. Optical coherence tomography angiography (OCTA) images were obtained, and retinal capillary vessel density and FAZ area were measured in the foveal and parafoveal regions at the level of the superficial (SCP) and deep retinal capillary plexus (DCP) before and at the first visit after intravitreal injection...
January 1, 2017: Investigative Ophthalmology & Visual Science
https://www.readbyqxmd.com/read/28108378/the-pressure-induced-deformation-response-of-the-human-lamina-cribrosa-analysis-of-regional-variations
#10
Dan E Midgett, Mary E Pease, Joan L Jefferys, Mohak Patel, Christian Franck, Harry A Quigley, Thao D Nguyen
: The objective of this study was to measure the pressure-induced deformation response of the human lamina cribrosa (LC) and analyze for variations with age and anatomical region. The posterior scleral cup of 8 eyes from 6 human donors was mounted onto a custom inflation chamber. A laser-scanning microscope was used for second harmonic generation (SHG), imaging the collagen structure in the posterior volume of the LC at pressures from 5 mmHg to 45 mmHg. The SHG volumes were analyzed by the Fast-Fourier Iterative Digital Volume Correlation (DVC) algorithm for the three dimensional (3D) displacement field...
January 17, 2017: Acta Biomaterialia
https://www.readbyqxmd.com/read/28103831/demographics-of-patients-receiving-intravitreal-anti-vegf-treatment-in-real-world-practice-healthcare-research-data-versus-randomized-controlled-trials
#11
F Ziemssen, N Feltgen, F G Holz, R Guthoff, A Ringwald, T Bertelmann, A Wiedon, C Korb
BACKGROUND: While randomized controlled trials (RCTs) are based on strict inclusion/exclusion criteria, non-interventional studies (NISs) might provide additional information to guide management in patients more representative to the real-world setting. The aim of this study was to compare baseline characteristics of patients receiving intravitreal treatment in the NIS OCEAN with those from published RCTs. METHODS: The ongoing OCEAN study enrolled patients treated with ranibizumab for neovascular age-related macular degeneration (nAMD), diabetic macular oedema (DME) or branch/central retinal vein occlusion (B/CRVO)...
January 19, 2017: BMC Ophthalmology
https://www.readbyqxmd.com/read/28098203/optical-coherence-tomography-angiography-microvascular-findings-in-macular-edema-due-to-central-and-branch-retinal-vein-occlusions
#12
Mastropasqua Rodolfo, Toto Lisa, Di Antonio Luca, Borrelli Enrico, Senatore Alfonso, Di Nicola Marta, Di Martino Giuseppe, Ciancaglini Marco, Paolo Carpineto
The aim of this study was to evaluate retinal and choriocapillaris vessel density using optical coherence tomography angiography (OCTA) in eyes with central retinal vein occlusion (CRVO) and branch retinal vein occlusion (BRVO) complicated by macular edema (ME). Sixty eyes of 60 patients with CRVO or BRVO and ME and 40 healthy subjects underwent measurements of superficial and deep foveal and parafoveal vessel density (FVD, PFVD) and choricapillary density using OCTA at baseline and 60 days after intravitreal dexamethasone implant (IVDEX)...
January 18, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28079801/acute-necrotizing-retinal-vasculitis-as-onset-of-systemic-lupus-erythematosus-a-case-report
#13
Simeon Monov, Ruska Hristova, Rositza Dacheva, Reni Toncheva, Russka Shumnalieva, Viara Shoumnalieva-Ivanova, Daniela Monova
RATIONALE: Systemic lupus erythematosus (SLE) is a complex autoimmune disease characterized by autoantibody production, complement activation, and deposition of immune complexes in tissues and organs. SLE can involve any region of the visual system. Although ocular manifestations are not part of the classification criteria for SLE, they can be observed in up to one-third of the patients with SLE. They are rarely reported at the time of disease onset. Retinal vasculitis is usually associated with active generalized disease...
January 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28073881/combined-central-retinal-artery-and-vein-occlusion-in-lupus
#14
Swapnil Madhukar Parchand, Vempuluru Sai Vijitha, Durga Prasanna Misra
No abstract text is available yet for this article.
January 10, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28060135/melanocytoma-or-juxtapapillary-melanoma
#15
Brandon J Baartman, Baseer Ahmad, Sunil Srivastava, Stephen Jones, Arun D Singh
PURPOSE: To report the case of a melanocytoma of the optic disc leading to severe vision loss, raising concern for possible malignant transformation and optic nerve infiltration. METHODS: Case report. RESULTS: A 36-year-old Arabic woman presented to an outside facility with severe vision loss and a clinical picture concerning for optic neuritis with central retinal vein occlusion. On referral to the authors' institution 1 month after initial presentation, the vision of the patient was no light perception in the affected eye, and examination revealed the presence of a pigmented lesion adjacent to the nerve...
January 2, 2017: Retinal Cases & Brief Reports
https://www.readbyqxmd.com/read/28058155/bilateral-papillophlebitis-in-a-patient-with-mutation-of-metilenetetrahydrofolate-reductase-enzyme
#16
Hüseyin Güzel, Banu Turgut Öztürk, Şansal Gedik, Berker Bakbak, Abdullah Beyoğlu, Nadir Koçak
Papillophlebitis is known as central retinal vein occlusion seen in young patients. It usually presents as unilateral optic disc edema with cotton wool spots and hemorrhage in the peripapillary region. As it may be due to many autoimmune and inflammatory causes, a thorough systemic evaluation of the patient is warranted. In this case report we describe a bilateral, simultaneous papillophlebitis case thought to be related to hyperhomocysteinemia secondary to C677T polymorphism of methylenetetrahyrofolate reductase enzyme...
August 2016: Turkish Journal of Ophthalmology
https://www.readbyqxmd.com/read/28053503/assessment-of-ischemia-in-acute-central-retinal-vein-occlusion-from-inner-retinal-reflectivity-on-spectral-domain-optical-coherence-tomography
#17
David J Browning, Omar S Punjabi, Chong Lee
PURPOSE: To determine the relationship between different spectral domain optical coherence tomography (SD-OCT) signs of retinal ischemia in acute central retinal vein occlusion (CRVO) and whether they predict anterior segment neovascularization (ASNV). DESIGN: Retrospective, observational study. SUBJECTS: Thirty-nine consecutive patients with acute CRVO and 12 months of follow-up. METHODS: We graded baseline SD-OCTs for increased reflectivity of the inner retina, loss of definition of inner retinal layers, presence of a prominent middle-limiting membrane (p-MLM) sign, and presence of paracentral acute middle maculopathy (PAMM)...
2017: Clinical Ophthalmology
https://www.readbyqxmd.com/read/28045864/bilateral-central-retinal-vein-occlusions-in-a-young-patient-with-a-history-of-eosinophilic-pneumonia-and-thalamic-stroke
#18
Gina Yu, Peng Sun, Tavé van Zyl, Rachel Tandias, Jorge G Arroyo
PURPOSE: To describe a case of a central retinal vein occlusion in a young patient with a history of eosinophilic pneumonia. METHODS: A retrospective case report of a 45-year-old woman with acute painless vision loss for 9 days after multiple episodes of eosinophilic pneumonia and thalamic stroke. Fluorescein angiography, spectral domain optical coherence tomography, and clinical examination were performed. She was then treated with intravitreal bevacizumab and pan-retinal photocoagulations...
December 29, 2016: Retinal Cases & Brief Reports
https://www.readbyqxmd.com/read/28045789/imaging-and-measurement-of-the-preretinal-space-in-vitreomacular-adhesion-and-vitreomacular-traction-by-a-new-spectral-domain-optical-coherence-tomography-analysis
#19
Marcin Stopa, Elżbieta Marciniak, Piotr Rakowicz, Agnieszka Stankiewicz, Tomasz Marciniak, Adam Dąbrowski
PURPOSE: To evaluate a new method for volumetric imaging of the preretinal space (also known as the subhyaloid, subcortical, or retrocortical space) and investigate differences in preretinal space volume in vitreomacular adhesion (VMA) and vitreomacular traction (VMT). METHODS: Nine patients with VMA and 13 with VMT were prospectively evaluated. Automatic inner limiting membrane line segmentation, which exploits graph search theory implementation, and posterior cortical vitreous line segmentation were performed on 141 horizontal spectral domain optical coherence tomography B-scans per patient...
December 30, 2016: Retina
https://www.readbyqxmd.com/read/28039596/optic-neuritis-secondary-to-antiandrogen-therapy
#20
REVIEW
Á Ní Mhéalóid, G Cunniffe
BACKGROUND: Optic neuropathy is a disorder characterised by dysfunction or destruction of the optic nerve tissues. Acquired causes include interruption in the blood supply, nutritional deficiency, compression by a tumour or aneurysm, trauma, and toxic types (Ambizas and Patel In US Pharm 36(4):HS2-HS6, 1). Drug-induced optic neuropathy is of the toxic type and can be defined as a clinical syndrome characterised by papillomacular bundle damage, central, or cecocentral scotoma, and reduced colour vision (Ambizas and Patel In US Pharm 36(4):HS2-HS6, 2011; Sharma and Sharma In Indian J Ophthalmol 59(2):137-141, 2)...
December 30, 2016: Irish Journal of Medical Science
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