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https://www.readbyqxmd.com/read/27913556/how-does-age-related-macular-degeneration-affect-real-world-visual-ability-and-quality-of-life-a-systematic-review
#1
Deanna J Taylor, Angharad E Hobby, Alison M Binns, David P Crabb
OBJECTIVES: To review systematically the evidence of age-related macular degeneration (AMD) affecting real-world visual ability and quality of life (QoL). To explore trends in specific topics within this body of the literature. DESIGN: Systematic review. METHODS: A systematic literature search was carried out using MEDLINE, EMBASE, CINAHL, PsycINFO, PsychARTICLES and Health and Psychosocial Instruments for articles published up to January 2015 for studies including people diagnosed with AMD, assessing real-world visual ability or QoL as an outcome...
December 2, 2016: BMJ Open
https://www.readbyqxmd.com/read/27876140/retinal-pigment-epithelium-cell-derived-exosomes-possible-relevance-to-cnv-in-wet-age-related-macular-degeneration
#2
Yao Tong, Ya-Li Zhou, Yi-Xiao Wang, Pei-Quan Zhao, Zhao-Yang Wang
Exosomes are small vesicles that are released by almost every cell type and play a crucial role in many physiological and pathological processes associated with different diseases. Specifically, they promote angiogenesis in the pathogenesis of some diseases. According to previous research, the proteins of exosomes taken from the aqueous humor (AH) of patients with wet-age related macular degeneration (AMD) may function as a new diagnostic biomarker of AMD, suggesting that exosomes may play an important role in the occurrence and development of choroidal neovascularization (CNV)...
December 2016: Medical Hypotheses
https://www.readbyqxmd.com/read/27830057/automated-analysis-of-retinal-imaging-using-machine-learning%C3%A2-techniques-for-computer-vision
#3
Jeffrey De Fauw, Pearse Keane, Nenad Tomasev, Daniel Visentin, George van den Driessche, Mike Johnson, Cian O Hughes, Carlton Chu, Joseph Ledsam, Trevor Back, Tunde Peto, Geraint Rees, Hugh Montgomery, Rosalind Raine, Olaf Ronneberger, Julien Cornebise
There are almost two million people in the United Kingdom living with sight loss, including around 360,000 people who are registered as blind or partially sighted. Sight threatening diseases, such as diabetic retinopathy and age related macular degeneration have contributed to the 40% increase in outpatient attendances in the last decade but are amenable to early detection and monitoring. With early and appropriate intervention, blindness may be prevented in many cases. Ophthalmic imaging provides a way to diagnose and objectively assess the progression of a number of pathologies including neovascular ("wet") age-related macular degeneration (wet AMD) and diabetic retinopathy...
2016: F1000Research
https://www.readbyqxmd.com/read/27810558/single-ocular-injection-of-a-sustained-release-anti-vegf-delivers-6months-pharmacokinetics-and-efficacy-in-a-primate-laser-cnv-model
#4
Peter Adamson, Thomas Wilde, Eric Dobrzynski, Caroline Sychterz, Rodd Polsky, Edit Kurali, Richard Haworth, Chi-Man Tang, Justyna Korczynska, Fiona Cook, Irene Papanicolaou, Lemy Tsikna, Chris Roberts, Zoe Hughes-Thomas, James Walford, Daniel Gibson, John Warrack, Jos Smal, Ruud Verrijk, Paul E Miller, T Michael Nork, Jeffery Prusakiewicz, Timothy Streit, Steven Sorden, Craig Struble, Brian Christian, Ian R Catchpole
A potent anti-vascular endothelial growth factor (VEGF) biologic and a compatible delivery system were co-evaluated for protection against wet age-related macular degeneration (AMD) over a 6month period following a single intravitreal (IVT) injection. The anti-VEGF molecule is dimeric, containing two different anti-VEGF domain antibodies (dAb) attached to a human IgG1 Fc region: a dual dAb. The delivery system is based on microparticles of PolyActive™ hydrogel co-polymer. The molecule was evaluated both in vitro for potency against VEGF and in ocular VEGF-driven efficacy models in vivo...
November 1, 2016: Journal of Controlled Release: Official Journal of the Controlled Release Society
https://www.readbyqxmd.com/read/27768118/clinical-features-and-long-term-progression-of-reticular-pseudodrusen-in-age-related-macular-degeneration-findings-from-a-multicenter-cohort
#5
J Q Gil, J P Marques, R Hogg, C Rosina, M L Cachulo, A Santos, G Staurenghi, U Chakravarthy, R Silva
PurposeTo determine whether reticular pseudodrusen (RPD) confer a long-term increased risk of progression to late age-related macular degeneration (AMD) in the fellow eye of patients with unilateral wet-AMD.Patients and methodsThis was a multicenter, combined prospective and retrospective, longitudinal, observational, study. Patients with wet-AMD in one eye were recruited from two centers and evaluated on the risk of progression to late-AMD in the second eye (study eye). A minimum follow-up of 5 years was required, unless progression occurred first...
October 21, 2016: Eye
https://www.readbyqxmd.com/read/27739558/comparing-ranibizumab-monotherapy-and-combination-with-single-photodynamic-therapy-in-wet-amd-retreatment-and-morphologic-results
#6
Katja Hatz, Ulrike Schneider, Bernhard Henrich, Beatrice Braun, Stefan Sacu, Christian Prünte
PURPOSE: To evaluate retreatment indications/morphologic responses to ranibizumab monotherapy and combination with verteporfin photodynamic therapy (PDT). METHODS: A total of 40 patients received 3 monthly intravitreal ranibizumab 0.3 mg injections combined with either PDT or sham PDT at baseline (1:1) followed by as-needed ranibizumab based on predetermined vision/anatomical criteria. RESULTS: Retreatment criteria were visual acuity (VA) loss (59%/58%), central retinal thickness (CRT) increase (27%/26%), or both (14%/16%)...
October 13, 2016: European Journal of Ophthalmology
https://www.readbyqxmd.com/read/27729757/the-efficacy-of-intravitreal-aflibercept-in-submacular-hemorrhage-secondary-to-wet-age-related-macular-degeneration
#7
Kyung-Hoon Shin, Tae Gon Lee, Jae Hui Kim, Jong Woo Kim, Chul Gu Kim, Dong Won Lee, Jung Il Han, Young Ju Lew, Han Joo Cho
PURPOSE: To evaluate the efficacy of intravitreal aflibercept monotherapy in submacular hemorrhage (SMH) secondary to wet age-related macular degeneration (AMD). METHODS: This study included 25 eyes in 25 patients with SMH involving the fovea secondary to wet-AMD. All patients were treated with three consecutive monthly intravitreal aflibercept (2.0 mg/0.05 mL) injections, followed by as-needed reinjection. They were followed for at least 6 months. Best-corrected visual acuity (BCVA), central foveal thickness (CFT), and area of SMH were measured at diagnosis, as well as at 3 and 6 months after treatment initiation...
October 2016: Korean Journal of Ophthalmology: KJO
https://www.readbyqxmd.com/read/27725716/detection-of-aqueous-vegf-concentrations-before-and-after-intravitreal-injection-of-anti-vegf-antibody-using-low-volume-sampling-paper-based-elisa
#8
Min-Yen Hsu, Yu-Chien Hung, De-Kuang Hwang, Shang-Chi Lin, Keng-Hung Lin, Chun-Yuan Wang, Hin-Yeung Choi, Yu-Ping Wang, Chao-Min Cheng
Intraocular vascular endothelial growth factor (VEGF) levels play an important role in the pathogenesis of blindness-related diseases, such as age-related macular degeneration (AMD). Here, we aimed to develop a paper-based enzyme-linked immunosorbent assay (P-ELISA) to analyze the suppression of aqueous VEGF concentrations following intravitreal injection (IVI) of anti-VEGF antibody (bevacizumab or ranibizumab). A total of 25 eyes with wet AMD, one with myopic neovascularization, and one with polypoidal choroidal vasculopathy were enrolled in this study...
October 11, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27711217/multi-functional-oct-enables-longitudinal-study-of-retinal-changes-in-a-vldlr-knockout-mouse-model
#9
Marco Augustin, Stanislava Fialová, Tanja Himmel, Martin Glösmann, Theresia Lengheimer, Danielle J Harper, Roberto Plasenzotti, Michael Pircher, Christoph K Hitzenberger, Bernhard Baumann
We present a multi-functional optical coherence tomography (OCT) imaging approach to study retinal changes in the very-low-density-lipoprotein-receptor (VLDLR) knockout mouse model with a threefold contrast. In the retinas of VLDLR knockout mice spontaneous retinal-chorodoidal neovascularizations form, having an appearance similar to choroidal and retinal neovascularizations (CNV and RNV) in neovascular age-related macular degeneration (AMD) or retinal angiomatous proliferation (RAP). For this longitudinal study, the mice were imaged every 4 to 6 weeks starting with an age of 4 weeks and following up to the age of 11 months...
2016: PloS One
https://www.readbyqxmd.com/read/27706724/clinical-study-of-the-correlation-between-complement-factor-h-polymorphism-and-age-related-macular-degeneration
#10
H T Dong, J X Zhang, Q M Li, F Z Li
This study aimed to investigate the correlation between age-related macular degeneration (AMD) of the liver-kidney yin-deficiency type and complement factor H (CFH) polymorphism, and to determine whether the C allele of the T1277C (Y402H) variant is a risk factor for this condition. We performed a case-control investigation of 60 patients with liver-kidney yin-deficiency AMD and 60 normal control subjects. Peripheral blood was collected from each participant for DNA extraction. Following amplification by polymerase chain reaction, the DNA samples were sequenced, and polymorphism of the CFH gene was examined...
September 16, 2016: Genetics and Molecular Research: GMR
https://www.readbyqxmd.com/read/27693409/serum-paraoxonase-activity-in-relation-to-lipid-profile-in-age-related-macular-degeneration-patients
#11
Kannadasan AnandBabu, S R Bharathidevi, Sarangapani Sripriya, Parveen Sen, Vadivelu Jaya Prakash, Appukuttan Bindu, Natarajan Viswanathan, Narayanasamy Angayarkanni
Age-related Macular Degeneration (AMD) is a multifactorial disease causing visual impairment in old age. Oxidative stress is one of the main contributors for the disease progression. Paraoxonase (PON), a HDL-resident antioxidant enzyme which removes oxidized low density lipoprotein (oxLDL), which is not studied much in AMD. This study assesses the PON activities in relation to the lipid status and genetic variants in AMD patients. In this prospective case-control study, a total of 48 AMD patients and 30 unrelated healthy controls were recruited...
September 28, 2016: Experimental Eye Research
https://www.readbyqxmd.com/read/27668132/novel-mechanistic-interplay-between-products-of-oxidative-stress-and-components-of-the-complement-system-in-amd-pathogenesis
#12
Hongjun Du, Xu Xiao, Travis Stiles, Christopher Douglas, Daisy Ho, Peter X Shaw
Age-related macular degeneration (AMD) is a leading cause of vision loss affecting tens of millions of elderly worldwide. Early AMD includes soft drusen and pigmentary changes in the retinal pigment epithelium (RPE). As people age, such soft confluent drusen can progress into two forms of advanced AMD, geographic atrophy (GA, or dry AMD) or choroidal neovascularization (CNV, or wet AMD) and result in the loss of central vision. The exact mechanism for developing early AMD and progressing to advanced stage of disease is still largely unknown...
February 2016: Open Journal of Ophthalmology
https://www.readbyqxmd.com/read/27628926/optical-coherence-tomography-angiography-assessment-of-vascular-effects-occurring-after-aflibercept-intravitreal-injections-in-treatment-naive-patients-with-wet-amd
#13
Leonardo Mastropasqua, Lisa Toto, Enrico Borrelli, Paolo Carpineto, Luca Di Antonio, Rodolfo Mastropasqua
PURPOSE: To investigate vessel changes occurring after aflibercept injections in treatment-naive exudative age-related macular degeneration patients. METHODS: Fifteen eyes of 15 patients affected by wet age-related macular degeneration were enrolled in the study. All the patients had a diagnosis of Type 1 choroidal neovascularization and were treated with 3 monthly aflibercept intravitreal injections (IVI). Subjects were evaluated by means of optical coherence tomography angiography at baseline, the day after the first injection and one month after both the first and the second IVI...
July 12, 2016: Retina
https://www.readbyqxmd.com/read/27612184/ranibizumab-for-the-treatment-of-wet-amd-a-summary-of-real-world-studies
#14
V Chong
No abstract text is available yet for this article.
September 9, 2016: Eye
https://www.readbyqxmd.com/read/27609025/-ranibizumab-and-exudative-age-related-macular-degeneration-5-year-multicentric-functional-and-anatomical-results-in-real-life-practice
#15
E Boulanger-Scemama, D Sayag, T Ha Chau Tran, M Quaranta-El Maftouhi, F Rumen, C Creuzot-Garcher, R Blanco Garavito, C Jung, E Souied
PURPOSE: The goal of this study was to evaluate five year functional and anatomical outcomes of wet AMD patients treated with ranibizumab according to a pro re nata (PRN) regimen in real-life practice. METHODS: A retrospective, multicentric chart review of 201 eyes of 201 patients who underwent their first ranibizumab intravitreal injection (IVT) between January 1, 2007 and December 31, 2008 was performed. Best-corrected visual acuity (BCVA), central macular thickness (CMT) on SD-OCT, number of IVT and follow-up visits were collected at baseline and during the entire follow-up period of 5 years...
October 2016: Journal Français D'ophtalmologie
https://www.readbyqxmd.com/read/27599360/mitochondrial-ferritin-affects-mitochondria-by-stabilizing-hif-1%C3%AE-in-retinal-pigment-epithelium-implications-for-the-pathophysiology-of-age-related-macular-degeneration
#16
Xiying Wang, Hongkuan Yang, Daijiro Yanagisawa, Jean-Pierre Bellier, Katsutaro Morino, Shiguang Zhao, Ping Liu, Piers Vigers, Ikuo Tooyama
Mitochondrial ferritin (FtMt) is believed to play an antioxidant role via iron regulation, and FtMt gene mutation has been reported in age-related macular degeneration (AMD). However, little is known about FtMt's functions in the retina and any links to AMD. In this study, we observed age-related increase in FtMt and hypoxia-inducible factor-1α (HIF-1α) in murine retinal pigment epithelium (RPE). FtMt overexpression in ARPE-19 cells stabilized HIF-1α, and increased the secretion of vascular endothelial growth factor...
August 12, 2016: Neurobiology of Aging
https://www.readbyqxmd.com/read/27563459/cellular-and-molecular-pathology-of-age-related-macular-degeneration-potential-role-for-proteoglycans
#17
REVIEW
Othman Al Gwairi, Lyna Thach, Wenhua Zheng, Narin Osman, Peter J Little
Age-related macular degeneration (AMD) is a retinal disease evident after the age of 50 that damages the macula in the centre of retina. It leads to a loss of central vision with retained peripheral vision but eventual blindness occurs in many cases. The initiation site of AMD development is Bruch's membrane (BM) where multiple changes occur including the deposition of plasma derived lipids, accumulation of extracellular debris, changes in cell morphology, and viability and the formation of drusen. AMD manifests as early and late stage; the latter involves cell proliferation and neovascularization in wet AMD...
2016: Journal of Ophthalmology
https://www.readbyqxmd.com/read/27562805/financial-burden-and-quality-of-life-of-informal-caregivers-of-patients-with-wet-age-related-macular-degeneration
#18
Hannah Weyer-Wendl, Peter Walter
PURPOSE: The purpose of this research is to quantify the cost burden, care times and the impact on the quality of life (QoL) of informal caring relatives caring for patients with wet age-related macular degeneration (wet AMD). Moreover we investigated the impact of care times on the QoL. METHODS: Through a specifically designed questionnaire, 150 caring relatives were interviewed retrospectively on all accrued financial costs, caring times incurred and the current QoL, assessed by a Visual Analogue Scale for happiness (VAS)...
December 2016: Health Economics Review
https://www.readbyqxmd.com/read/27528805/association-of-anti-vegf-injections-with-progression-of-geographic-atrophy
#19
REVIEW
Ryan Enslow, Sai Bhuvanagiri, Sravanthi Vegunta, Benjamin Cutler, Michael Neff, Brian Stagg
Age-related macular degeneration (AMD) is one of the leading causes of blindness in developed countries in people over the age of 60 years. One of the forms of advanced AMD is wet AMD. Wet AMD is a result of leakage and bleeding from abnormal neovascularization. The principal treatment for wet AMD is intravitreal anti-VEGF injections. A second form of advanced AMD is geographic atrophy (GA). GA refers to large areas of retinal pigment epithelium loss. In the literature, there is some concern that anti-VEGF injections administered to treat wet AMD may be associated with progression of GA...
2016: Ophthalmology and Eye Diseases
https://www.readbyqxmd.com/read/27514521/-atypical-wet-amd
#20
S Zollner, M W Ulbig
No abstract text is available yet for this article.
August 11, 2016: Der Ophthalmologe: Zeitschrift der Deutschen Ophthalmologischen Gesellschaft
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