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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/27913442/comparison-of-anti-vegf-therapies-on-fibrovascular-pigment-epithelial-detachments-in-age-related-macular-degeneration
#2
Adrian Au, Vishal S Parikh, Rishi P Singh, Justis P Ehlers, Alex Yuan, Aleksandra V Rachitskaya, Jonathan E Sears, Sunil K Srivastava, Peter K Kaiser, Andrew P Schachat, Daniel F Martin, Yasha Modi
BACKGROUND: The aim is to compare the therapeutic effects of three antivascular endothelial growth factor (VEGF) drugs (bevacizumab, aflibercept and ranibizumab) on fibrovascular pigment epithelial detachments (fvPEDs) in age-related macular degeneration (AMD). METHODS: This was a retrospective, comparative, consecutive case series of 88 unique eyes with fvPEDs in neovascular AMD treated with anti-VEGF monotherapy for a minimum of 6 months. All eyes were treatment naive...
December 2, 2016: British Journal of Ophthalmology
https://www.readbyqxmd.com/read/27912913/intravitreal-therapies-for-non-neovascular-age-related-macular-degeneration-with-intraretinal-or-subretinal-fluid
#3
M Cuesta-Lasso, A Vieira-Barros, R Dolz-Marco, M J Roig-Revert, J Badal, L Amselem, M Díaz-Llopis, R Gallego-Pinazo
OBJECTIVE: To evaluate the efficacy of intravitreal therapies in cases of atrophic age-related macular degeneration (AMD) with subretinal or intraretinal fluid. METHODS: A retrospective review was made of the clinical charts of patients diagnosed with atrophic AMD with subretinal or intraretinal fluid. Fundus photographs and spectral-domain optical coherence tomography images were examined, and an analysis was made on the presence of fluid and its density. Neovascularisation was ruled out by fluorescein and/or indocyanine green angiography...
November 29, 2016: Archivos de la Sociedad Española de Oftalmología
https://www.readbyqxmd.com/read/27911444/impact-of-optical-coherence-tomography-scanning-density-on-quantitative-analyses-in-neovascular-age-related-macular-degeneration
#4
S B Velaga, M G Nittala, R K Konduru, F Heussen, P A Keane, S R Sadda
PurposeTo assess the influence of varying B-scan frame-sampling densities on retinal thickness and volume measurements from spectral domain optical coherence tomography (OCT) in eyes with neovascular age-related macular degeneration (AMD).MethodsVolume OCT data (512 × 128 macular cube over 6 × 6 mm) were collected from 39 eyes with neovascular AMD. All 128 B-scans in each image set were manually segmented, allowing quantification of the neurosensory retina, subretinal fluid (SRF), subretinal hyperreflective material (SRHM), and pigment epithelium detachment (PED)...
December 2, 2016: Eye
https://www.readbyqxmd.com/read/27907924/outcomes-when-switching-from-a-pro-re-nata-regimen-to-a-treat-and-extend-regimen-using-aflibercept-in-neovascular-age-related-macular-degeneration
#5
Helena Giannakaki-Zimmermann, Andreas Ebneter, Marion R Munk, Sebastian Wolf, Martin S Zinkernagel
PURPOSE: To investigate outcomes in patients with neovascular age-related macular degeneration (AMD) switched from a pro re nata regimen (PRN) to a treat and extend regimen (TER) under aflibercept. PROCEDURE: Thirty-two patients were observed over 2 years: the first year on PRN and the second year on TER. Best-corrected visual acuity (BCVA) and central retinal thickness (CRT) were evaluated. Intra- and subretinal fluid as well as the number of visits and injections were assessed...
December 2, 2016: Ophthalmologica. Journal International D'ophtalmologie
https://www.readbyqxmd.com/read/27903086/the-association-of-smokeless-tobacco-use-and-pack-years-of-smokeless-tobacco-with-age-related-macular-degeneration-in-indian-population
#6
Sangeetha Srinvasan, Gayathri Swaminathan, Vaitheeswaran Kulothungan, Tarun Sharma, Rajiv Raman
PURPOSE: To explore the association of use and the influence of pack-year use of smokeless tobacco versus no use with that of early and late age-related macular degeneration (AMD) in rural and urban south Indian population. We hypothesized that the use and pack-years of use would be significantly associated with both early and late AMD. We therefore sought to examine subjects who gave a history of using smokeless tobacco and we quantified the usage as pack-years, to examine the association with that of early and late AMD...
November 30, 2016: Cutaneous and Ocular Toxicology
https://www.readbyqxmd.com/read/27902695/text-mining-genotype-phenotype-relationships-from-biomedical-literature-for-database-curation-and-precision-medicine
#7
Ayush Singhal, Michael Simmons, Zhiyong Lu
The practice of precision medicine will ultimately require databases of genes and mutations for healthcare providers to reference in order to understand the clinical implications of each patient's genetic makeup. Although the highest quality databases require manual curation, text mining tools can facilitate the curation process, increasing accuracy, coverage, and productivity. However, to date there are no available text mining tools that offer high-accuracy performance for extracting such triplets from biomedical literature...
November 2016: PLoS Computational Biology
https://www.readbyqxmd.com/read/27902638/the-pathophysiology-of-geographic-atrophy-secondary-to-age-related-macular-degeneration-and-the-complement-pathway-as-a-therapeutic-target
#8
David S Boyer, Ursula Schmidt-Erfurth, Menno van Lookeren Campagne, Erin C Henry, Christopher Brittain
PURPOSE: Geographic atrophy (GA) is an advanced, vision-threatening form of age-related macular degeneration (AMD) affecting approximately five million individuals worldwide. To date, there are no approved therapeutics for GA treatment; however, several are in clinical trials. This review focuses on the pathophysiology of GA, particularly the role of complement cascade dysregulation and emerging therapies targeting the complement cascade. METHODS: Primary literature search on PubMed for GA, complement cascade in age-related macular degeneration...
November 29, 2016: Retina
https://www.readbyqxmd.com/read/27901647/a-decade-of-age-related-macular-degeneration-risk-models-what-have-we-learned-from-them-and-where-are-we-going
#9
Michael Zhang, Paul N Baird
The genomic revolution has revealed the complexity of multifactorial diseases, making the development of effective diagnostics extremely challenging. In turn, the prospect of precision medicine as applied through targeted therapeutic treatments continues to remain largely elusive. Age-related macular degeneration (AMD) as a complex disease falls under this category, despite it being one of the most well characterized multifactorial diseases. This reflects both the extent of identified genetic components and known environmental risk factors...
November 30, 2016: Ophthalmic Genetics
https://www.readbyqxmd.com/read/27900609/dry-age-related-macular-degeneration-pharmacology
#10
Charles B Wright, Jayakrishna Ambati
Age-related macular degeneration (AMD), the most common form of irreversible blindness in the industrially developed world, can present years before a patient begins to lose vision. For most of these patients, AMD never progresses past its early stages to the advanced forms that are principally responsible for the vast majority of vision loss. Advanced AMD can manifest as either an advanced avascular form known as geographic atrophy (GA) marked by regional retinal pigment epithelium (RPE) cell death or as an advanced form known as neovascular AMD marked by the intrusion of fragile new blood vessels into the normally avascular retina...
November 30, 2016: Handbook of Experimental Pharmacology
https://www.readbyqxmd.com/read/27900566/autophagy-regulates-death-of-retinal-pigment-epithelium-cells-in-age-related-macular-degeneration
#11
REVIEW
Kai Kaarniranta, Paulina Tokarz, Ali Koskela, Jussi Paterno, Janusz Blasiak
Age-related macular degeneration (AMD) is an eye disease underlined by the degradation of retinal pigment epithelium (RPE) cells, photoreceptors, and choriocapillares, but the exact mechanism of cell death in AMD is not completely clear. This mechanism is important for prevention of and therapeutic intervention in AMD, which is a hardly curable disease. Present reports suggest that both apoptosis and pyroptosis (cell death dependent on caspase-1) as well as necroptosis (regulated necrosis dependent on the proteins RIPK3 and MLKL, caspase-independent) can be involved in the AMD-related death of RPE cells...
November 29, 2016: Cell Biology and Toxicology
https://www.readbyqxmd.com/read/27900561/mineralocorticoid-antagonists-as-adjuncts-in-neovascular-age-related-macular-degeneration
#12
Kapil G Kapoor, Niket Todi, Alan L Wagner
INTRODUCTION: The purpose of this project was to evaluate the role of MR antagonists as an adjunct in patients with neovascular age-related macular degeneration (AMD) who have chronic subretinal fluid. METHODS: Inclusion criteria were patients with a diagnosis of neovascular AMD, who had completed at least six anti-VEGF injections, and had persistent subretinal fluid (SRF) on optical coherence tomography (OCT). Treatment with oral eplerenone was initiated and dose titrated according to protocol...
November 29, 2016: Ophthalmology and Therapy
https://www.readbyqxmd.com/read/27899367/intake-of-key-micronutrients-and-food-groups-in-patients-with-late-stage-age-related-macular-degeneration-compared-with-age-sex-matched-controls
#13
Bamini Gopinath, Gerald Liew, Joanna Russell, Victoria Cosatto, George Burlutsky, Paul Mitchell
BACKGROUND: Knowledge of the risk factor profile of patients presenting with late-stage age-related macular degeneration (AMD) could help identify the most frequent modifiable AMD precursors among people who are referred for treatment. We aimed to assess dietary behaviours by comparing adjusted mean intakes of micronutrients and major food groups (fruits, vegetables, fish) among patients with AMD and a sample of age-sex-matched controls. METHODS: Cross-sectional analysis of 480 late AMD cases and 518 population-based age-sex-matched controls with no AMD signs...
November 29, 2016: British Journal of Ophthalmology
https://www.readbyqxmd.com/read/27898979/oct-angiography-based-detection-and-quantification-of-the-neovascular-network-in-exudative-amd
#14
Moritz Lindner, Petra P Fang, Julia S Steinberg, Niklas Domdei, Maximilian Pfau, Tim U Krohne, Steffen Schmitz-Valckenberg, Frank G Holz, Monika Fleckenstein
Purpose: To investigate the potential of optical coherence tomography (OCT) angiography to detect and quantify the neovascular network in exudative AMD. Methods: Treatment-naïve eyes that were diagnosed with exudative AMD were prospectively examined by OCT angiography (OCT-A). The extent of the neovascular network was measured by three independent readers. Interclass-correlation coefficient and area overlap coefficients (OC) were calculated to assess locally precise agreement between measurements...
November 1, 2016: Investigative Ophthalmology & Visual Science
https://www.readbyqxmd.com/read/27893849/features-of-age-related-macular-degeneration-in-the-general-adults-and-their-dependency-on-age-sex-and-smoking-results-from-the-german-kora-study
#15
Caroline Brandl, Valentin Breinlich, Klaus J Stark, Sabrina Enzinger, Matthias Aßenmacher, Matthias Olden, Felix Grassmann, Jochen Graw, Margit Heier, Annette Peters, Horst Helbig, Helmut Küchenhoff, Bernhard H F Weber, Iris M Heid
Age-related macular degeneration (AMD) is a vision impairing disease of the central retina characterized by early and late forms in individuals older than 50 years of age. However, there is little knowledge to what extent also younger adults are affected. We have thus set out to estimate the prevalence of early AMD features and late AMD in a general adult population by acquiring color fundus images in 2,840 individuals aged 25 to 74 years of the Cooperative Health Research in the Region of Augsburg project (KORA) in South Germany...
2016: PloS One
https://www.readbyqxmd.com/read/27893831/retinal-pre-conditioning-by-cd59a-knockout-protects-against-light-induced-photoreceptor-degeneration
#16
Delu Song, Brooks Wilson, Liangliang Zhao, Rupak Bhuyan, Mausumi Bandyopadhyay, Arkady Lyubarsky, Chen Yu, Yafeng Li, Levi Kanu, Takashi Miwa, Wen-Chao Song, Silvia C Finnemann, Bärbel Rohrer, Joshua L Dunaief
Complement dysregulation plays a key role in the pathogenesis of age-related macular degeneration (AMD), but the specific mechanisms are incompletely understood. Complement also potentiates retinal degeneration in the murine light damage model. To test the retinal function of CD59a, a complement inhibitor, CD59a knockout (KO) mice were used for light damage (LD) experiments. Retinal degeneration and function were compared in WT versus KO mice following light damage. Gene expression changes, endoplasmic reticulum (ER) stress, and glial cell activation were also compared...
2016: PloS One
https://www.readbyqxmd.com/read/27893108/choroidal-thickness-influences-near-infrared-reflectance-intensity-in-eyes-with-geographic-atrophy-due-to-age-related-macular-degeneration
#17
Rosa Dolz-Marco, Orly Gal-Or, K Bailey Freund
Purpose: To evaluate the effects of retinal and choroidal thickness on near-infrared reflectance (NIR) scanning laser ophthalmoscopy in eyes with geographic atrophy (GA) secondary to non-neovascular age-related macular degeneration (AMD). Methods: This was a cross-sectional review of the clinical records and multimodal imaging data of eyes diagnosed with GA secondary to non-neovascular AMD. Imaging modalities included color fundus photography, fundus autofluorescence, NIR, and structural spectral-domain optical coherence tomography (SD-OCT)...
November 1, 2016: Investigative Ophthalmology & Visual Science
https://www.readbyqxmd.com/read/27890475/slowed-dark-adaptation-in-older-eyes-effect-of-location
#18
Humza J Tahir, Elena Rodrigo-Diaz, Neil R A Parry, Jeremiah M F Kelly, D Carden, Ian J Murray
PURPOSE: The rate of rod sensitivity recovery following a photobleach is a basic measure of the integrity of the outer retina. Rods are selectively impaired in aging and many disorders of the retina, notably Age-Related Macular Degeneration (AMD). It is not known for certain whether the age-related deficit is a pan-retinal effect or if there are localised regions of impaired rod function. To address this important issue a dual arc stimulus was developed that samples sensitivity recovery in two retinal locations...
November 24, 2016: Experimental Eye Research
https://www.readbyqxmd.com/read/27890437/trends-of-anti-vascular-endothelial-growth-factor-use-in-ophthalmology-among-privately-insured-and-medicare-advantage-patients
#19
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/27886184/a-view-of-the-current-and-future-role-of-optical-coherence-tomography-in-the-management-of-age-related-macular-degeneration
#20
REVIEW
U Schmidt-Erfurth, S Klimscha, S M Waldstein, H Bogunović
Optical coherence tomography (OCT) has become an established diagnostic technology in the clinical management of age-related macular degeneration (AMD). OCT is being used for primary diagnosis, evaluation of therapeutic efficacy, and long-term monitoring. Computer-based advances in image analysis provide complementary imaging tools such as OCT angiography, further novel automated analysis methods as well as feature detection and prediction of prognosis in disease and therapy by machine learning. In early AMD, pathognomonic features such as drusen, pseudodrusen, and abnormalities of the retinal pigment epithelium (RPE) can be imaged in a qualitative and quantitative way to identify early signs of disease activity and define the risk of progression...
November 25, 2016: Eye
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