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Retinal occlusion

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https://www.readbyqxmd.com/read/29330062/fundus-densitometry-findings-suggest-optic-disc-hemorrhages-in-primary-open-angle-glaucoma-have-an-arterial-origin
#1
Jonathan C Chou, Clara C Cousins, John B Miller, Brian J Song, Lucy Q Shen, Michael A Kass, Janey L Wiggs, Louis R Pasquale
PURPOSE: To analyze optic disc hemorrhages (DH) associated with primary open-angle glaucoma by quantifying their geometric profile and comparing their densitometry with hemorrhages from retinal vein occlusions (RVO) and retinal macroaneurysms (MA), which have venous and arterial sources of bleeding, respectively. DESIGN: Retrospective cross-sectional study METHODS: Setting: Massachusetts Eye & Ear POPULATION: Fundus images of DH (n=40), MA (n=14), and RVO (n=25) were identified...
January 9, 2018: American Journal of Ophthalmology
https://www.readbyqxmd.com/read/29328067/a-physical-approach-to-model-occlusions-in-the-retinal-microvasculature
#2
O Fleck, T Savin
Blood occlusions in the retinal microvasculature contribute to the pathology of many disease states within the eye. These events can cause haemorrhaging and retinal detachment, leading to a loss of vision in the affected patient. Here, we present a physical approach to characterising the collective cell dynamics leading to plug formation, through the use of a bespoke microfluidic device, and through the derivation of a probabilistic model. Our microfluidic device is based on a filtration design that can tune the particle volume fraction of a flowing suspension within a conduit, with sizes similar to arterioles...
January 12, 2018: Eye
https://www.readbyqxmd.com/read/29326850/the-efficacy-and-safety-of-intravitreal-dexamethasone-implant-for-the-treatment-of-macular-edema-related-to-retinal-vein-occlusion-real-life-data-and-prognostic-factors-in-a-turkish-population
#3
Ayşe Yağmur Kanra, Aylin Ardagil Akçakaya, Sevil Arı Yaylalı, Meltem Güzin Altınel, Neslihan Sevimli
Objectives: To evaluate the efficacy and safety of dexamethasone (DEX) implants as mono or combination therapy for macular edema in retinal vein occlusion (RVO) with real-life conditions, and to detect factors that influence final visual acuity. Materials and Methods: Twenty-five eyes with macular edema secondary to RVO underwent assessments for central macular thickness (CMT), best-corrected visual acuity (BCVA), adverse events, and also morphologic changes in optical coherence tomography at an interval of 4-8 weeks after at least one DEX implant...
December 2017: Turkish Journal of Ophthalmology
https://www.readbyqxmd.com/read/29323754/a-rare-cause-of-retinal-artery-embolism-accessory-mitral-valve-tissue
#4
Muzaffer Kahyaoglu, Arzu Kalayci, Cetin Gecmen, Munevver Sari, Ahmet Guner, Mehmet Celik, Ibrahim Akin İzgi, Cevat Kirma
A 42-year-old female patient was referred our clinic for investigation of a history of acute retinal artery occlusion. Transthoracic echocardiography showed a cyst-like, mobile formation on posterior mitral valve leaflet. 2D and real time 3D transesophageal echocardiography showed a flexible circular mobile structure which was attached to posterior mitral valve leaflet. Echocardiographic appearance and morphological characteristics were suggestive of accessory mitral valve tissue.
January 11, 2018: Echocardiography
https://www.readbyqxmd.com/read/29317400/two-year-outcomes-of-intravitreal-ziv-aflibercept
#5
Ahmad M Mansour, Mohammed Ashraf, Abdulrazzak Charbaji, Muhammad H Younis, Ahmed A Souka, Avantika Dogra, Hana A Mansour, Jay Chhablani
AIM: To assess the two-year outcome of intravitreal ziv-aflibercept (IVZ) in eyes with macular diseases. METHODS: Consecutive subjects with various macular diseases that received six or more of 0.05 mL IVZ (1.25 mg) injections with at least 1 year follow-up were included. Outcome measures were best-corrected visual acuity (BCVA) (logarithm of the minimum angle of resolution) and central macular thickness (CMT) on spectral domain optical coherence tomography...
January 9, 2018: British Journal of Ophthalmology
https://www.readbyqxmd.com/read/29305643/treatment-of-soft-tissue-filler-complications-expert-consensus-recommendations
#6
REVIEW
Fernando Urdiales-Gálvez, Nuria Escoda Delgado, Vitor Figueiredo, José V Lajo-Plaza, Mar Mira, Antonio Moreno, Francisco Ortíz-Martí, Rosa Del Rio-Reyes, Nazaret Romero-Álvarez, Sofía Ruiz Del Cueto, María A Segurado, Cristina Villanueva Rebenaque
BACKGROUND: Dermal fillers have been increasingly used in minimally invasive facial esthetic procedures. This widespread use has led to a rise in reports of associated complications. The aim of this expert consensus report is to describe potential adverse events associated with dermal fillers and to provide guidance on their treatment and avoidance. METHODS: A multidisciplinary group of experts in esthetic treatments convened to discuss the management of the complications associated with dermal fillers use...
January 5, 2018: Aesthetic Plastic Surgery
https://www.readbyqxmd.com/read/29302692/risk-of-retinal-vein-occlusion-in-patients-with-end-stage-renal-disease-a-12-year-retrospective-nationwide-cohort-study-in-south-korea
#7
Kyung Sik Lee, Ki Heon Nam, Dong Wook Kim, Eui Chun Kang, Hyoung Jun Koh
Purpose: The present study aimed to evaluate the risk of retinal vein occlusion (RVO) in Korean patients with end-stage renal disease (ESRD). Methods: In this retrospective, nationwide, propensity score-matched cohort study, subjects were randomly enrolled from the 12-year longitudinal Korean National Health Insurance Service-National Sample Cohort 2002-2013 database comprising 1 million subjects. The ESRD group comprised 988 patients newly diagnosed with ESRD from 2003 onward by washing out data from 2002...
January 1, 2018: Investigative Ophthalmology & Visual Science
https://www.readbyqxmd.com/read/29283146/branch-retinal-artery-occlusion-post-penetrating-globe-injury-with-intraocular-foreign-body
#8
Manish Nagpal, Pranita Chaudhary, Ashish Jain
Intraocular foreign body (IOFB) in cases of penetrating eye injury accounts for an important indication of vitreoretinal intervention following ocular trauma. Vascular occlusion as a complication of IOFB is rare. Here we present a case of a 34-year-old male with post-traumatic cataract and an intraocular metallic foreign body (IOFB) lodged in the superficial layers of the retina inferotemporal to the disc, causing an inferotemporal branch retinal artery occlusion. The case was managed by lensectomy with pars plana vitrectomy and IOFB removal followed by a second procedure of secondary IOL implantation...
January 2018: Indian Journal of Ophthalmology
https://www.readbyqxmd.com/read/29282399/chronic-retinal-necrosis-severely-complicated-by-neovascular-glaucoma-a-case-report
#9
Takanori Matsuoka, Kazunobu Asao, Noriyasu Hashida, Kohji Nishida
Background: Chronic retinal necrosis (CRN) is a rare chronic granular necrotizing retinitis that was first described in 2013. CRN is characterized by intraocular inflammation accompanied by occlusive vasculitis, granular retinitis, and slowly progressing necrosis around the retina in a host with partial immune dysfunction. Cytomegalovirus (CMV) is reported to be a causative agent. There are several ocular complications such as retinal detachment and neovascular glaucoma; however, there has been no description of a clinical manifestation of neovascular glaucoma in CRN...
September 2017: Case Reports in Ophthalmology
https://www.readbyqxmd.com/read/29280368/retinal-vein-occlusion-review
#10
Michael Ip, Andrew Hendrick
Retinal vein occlusions are a very common condition with great importance in ophthalmology clinical practice. This article reviews the salient epidemiology, risk factors, clinical features, and treatments related to retinal vein occlusions.
December 27, 2017: Asia-Pacific Journal of Ophthalmology
https://www.readbyqxmd.com/read/29279239/retinal-and-optic-disc-vasculitis-in-susac-s-syndrome
#11
J L Sánchez-Vicente, F E Molina-Sócola, A Medina-Tapia, A Moruno-Rodríguez, S Gálvez-Carvajal, F López-Herrero
CASE REPORT: The case is presented of 42 year-old woman with no significant medical history, with severe headaches, nausea and vomiting, hearing loss, and alteration of mental status with disorientation and confusion. Ophthalmic examination showed optic disc hyperaemia in right eye, and focal areas of arteriolar occlusion in both eyes. Audiometry demonstrated bilateral neurosensory hypoacusis. Magnetic Resonance Imaging showed multiple small round hyperintense lesions located in the splenium, corpus callosum, basal ganglia, and white matter...
December 23, 2017: Archivos de la Sociedad Española de Oftalmología
https://www.readbyqxmd.com/read/29278975/oxidant-antioxidant-balance-in-the-aqueous-humor-of-patients-with-retinal-vein-occlusion
#12
Muhammed Altinisik, Arif Koytak, Ahmet Elbay, Enes Toklu, Taha Sezer, Abdurrahim Kocyigit
PURPOSE: To analyze oxidative stress parameters in the aqueous humor with retinal vein occlusion. MATERIALS AND METHODS: A total of 56 patients who underwent cataract surgery were enrolled in this study. The eyes with retinal vein occlusion were included in the study group. Aqueous humor was sampled from all patients and analyzed by an automated measurement method. Total oxidant status (TOS), total antioxidant status (TAS), and oxidative stres index (OSI) were calculated...
December 26, 2017: Seminars in Ophthalmology
https://www.readbyqxmd.com/read/29274022/outcome-of-treat-and-monitor-regimen-of-aflibercept-and-ranibizumab-in-macular-edema-secondary-to-non-ischemic-branch-retinal-vein-occlusion
#13
Francesco Pichi, Ahmed Mohammed Elbarky, Tarek Roshdy Elhamaky
PURPOSE: To compare the efficacy of a modified PRN treatment regimen ("treat and monitor") of aflibercept and ranibizumab in macular edema secondary to non-ischemic branch retinal vein occlusion. METHODS: Seventy eyes of 70 patients with treatment naïve branch retinal vein occlusion were enrolled. All patients underwent a comprehensive ophthalmic examination, spectral-domain optical coherence tomography, and fluorescein angiography. Patients were randomized 1:1 to receive intravitreal aflibercept (34 eyes) and ranibizumab (36 eyes) with a "treat and monitor" treatment regimen with monthly follow-up for 12 months...
December 22, 2017: International Ophthalmology
https://www.readbyqxmd.com/read/29260122/unusual-straatsma-syndrome-how-dogmatic-is-a-bad-prognosis
#14
Ana Vide-Escada, Helena Prior Filipe
Purpose: To show that Straatsma Syndrome can have a good outcome and to highlight an unusual presentation of this disease. Observations: A four-year-old boy presents with severe right eye amblyopia in association with high myopia, esotropia, heterochromia iridum and extensive myelinated retinal fibers involving both temporal arcades and the optic nerve head. Right eye initial visual acuity was less than 20/400 for distance and less than R6W10 for near. Left eye examination was unremarkable...
December 2017: American Journal of Ophthalmology Case Reports
https://www.readbyqxmd.com/read/29260119/one-year-outcomes-of-ziv-aflibercept-for-macular-edema-in-central-retinal-vein-occlusion
#15
Mohab Eldeeb, Errol W Chan, Chintan J Dedhia, Ahmad Mansour, Jay Chhablani
Purpose: To report the 12-month efficacy and safety outcomes of intravitreal ziv-aflibercept in macular edema secondary to central retinal vein occlusion (CRVO). Methods: Interventional case series documenting 12-month outcomes of intravitreal ziv-aflibercept (1.25 mg in 0.05 mL) in 6 patients with treatment-naive macular edema secondary to CRVO. All patients had comprehensive ophthalmic examination, spectral domain optical coherence tomography at baseline and all follow-up visits, and fluorescein...
December 2017: American Journal of Ophthalmology Case Reports
https://www.readbyqxmd.com/read/29260085/migration-of-segmental-arteriolar-fluorescein-staining-peripherally-in-eye-with-idiopathic-recurrent-branch-retinal-arterial-occlusion
#16
Kenichi Kawano, Yasuki Ito, Fuminori Haga, Taichi Tsunekawa, Hiroko Terasaki
Purpose: To report a novel finding in a case of idiopathic recurrent branch retinal arterial occlusions. Observations: We report our findings in a 31-year-old woman with an idiopathic recurrent branch retinal arterial occlusions (BRAOs) who was followed in our clinic for 16 years. Repeated fluorescein angiographies were performed to evaluate the idiopathic recurrent BRAOs. The findings showed multiple segmental arteriolar staining in the fundus. These staining were found at locations with and without branch retinal arterial occlusions...
September 2017: American Journal of Ophthalmology Case Reports
https://www.readbyqxmd.com/read/29260067/severe-bilateral-optic-nerve-and-retinal-hypoperfusion-in-a-patient-with-acute-respiratory-distress-syndrome-and-septic-shock
#17
Wei Gui, Erika Tanaka Friesen, Laura Bonelli, Ye Elaine Wang, Anthony C Arnold
Purpose: To report a case of bilateral central retinal artery occlusion with both anterior and posterior ischemic optic neuropathy. Observations: A 65-year-old Caucasian woman presented with acute respiratory distress syndrome and septic shock. After treatment with vasopressors and prolonged prone positioning, she was noted to be bilaterally completely blind on hospitalization day 12. Evaluation revealed evidence of bilateral central retinal artery occlusion and bilateral ischemic optic neuropathy...
June 2017: American Journal of Ophthalmology Case Reports
https://www.readbyqxmd.com/read/29259915/paracentesis-following-intravitreal-drug-injections-in-maintaining-physiologic-ocular-perfusion-pressure
#18
Austin Bach, Artur Filipowicz, Aaron S Gold, Azeema Latiff, Timothy G Murray
A retrospective analysis was performed of patients who received a paracentesis immediately following an intravitreal injection of bevacizumab or triamcinolone acetonide. These patients were previously diagnosed as having glaucoma, ocular hypertension, or had responded previously with sustained elevated intraocular pressure. Of 1661 procedures were performed. Totally 219 (13%) of the injections were on phakic patients. A median (SD) of 210 µL (40 µL) of aqueous was removed during each paracentesis. There were no reported incidences of any complications...
2017: International Journal of Ophthalmology
https://www.readbyqxmd.com/read/29258533/incidental-branch-retinal-artery-occlusion-on-optical-coherence-tomography-angiography-presenting-as-segmental-optic-atrophy-in-a-child-a-case-report
#19
Ji Hyung Choi, Hee Kyung Yang, Ji Eun Lee
BACKGROUND: Retinal artery occlusion is extremely rare in the pediatric population and most patients have risk factors. We report a case of a healthy child with segmental optic atrophy, complicated by incidental branch retinal artery occlusion (BRAO). CASE PRESENTATION: A 10-year-old boy who had a history of his mother's gestational diabetes presented with an inferonasal visual field defect in the left eye. His best-corrected visual acuities were 20/20 in both eyes (OU)...
December 19, 2017: BMC Ophthalmology
https://www.readbyqxmd.com/read/29258454/atypical-acute-retinal-necrosis-accompanied-by-terson-s-syndrome-a-case-report
#20
Jong Young Lee, Dong Yoon Kim, Hye Jin Lee, Jin Ho Jeong, Sung Pyo Park, Jin Young Kim
BACKGROUND: Acute retinal necrosis (ARN) has characterized by panuveitis, vitritis, severe vaso-occlusive vasculitis, and diffuse necrotizing retinitis. There are no case reports on atypical ARN combined with Terson's syndrome. Herein, we report a case of ARN with atypical clinical features combined with Terson's syndrome that we successfully treated by intravitreal ganciclovir injection. CASE PRESENTATION: A 64-year-old man visited our eye clinic with a complaint of decreased visual acuity in his right eye...
December 19, 2017: BMC Ophthalmology
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