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Fuchs' corneal dystrophy

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https://www.readbyqxmd.com/read/27897118/smoking-and-eye-pathologies-a-systemic-review-part-i-anterior-eye-segment-pathologies
#1
Małgorzata Nita, Andrzej Grzybowski
BACKGROUND: Tobacco smoking has detrimental influence on human health and is one of the leading causes of preventable mortality worldwide, associated with lung cancer, chronic obstructive lung disease and cardiovascular disease. AIM: The analysis of the influence of tobacco smoking on pathology of the anterior segment of the eye in adults and children. METHODS: A comprehensive review of the literature performed through MEDLINE and PubMed searches, was published during the period 2000-2016...
November 29, 2016: Current Pharmaceutical Design
https://www.readbyqxmd.com/read/27820951/elevated-cytokine-levels-in-the-aqueous-humor-of-eyes-with-bullous-keratopathy-and-low-endothelial-cell-density
#2
Takefumi Yamaguchi, Kazunari Higa, Terumasa Suzuki, Naohiko Nakayama, Yukari Yagi-Yaguchi, Murat Dogru, Yoshiyuki Satake, Jun Shimazaki
Purpose: To evaluate cytokine levels in the aqueous humor (AqH) of eyes with bullous keratopathy (BK) and low endothelial cell density (ECD). Methods: A total of 145 AqH samples (60 BK, 16 low ECD, 35 corneal diseases with normal ECD, and 34 normal controls) were collected from consecutive patients who underwent corneal transplantation or cataract surgery. None of the patients had any clinically apparent inflammation at the time of AqH collection. The AqH levels of cytokines (IL-1α, IL-1β, IL-2, IL-4, IL-6, IL-8, IL-10, IL-12p70, IL-13, IL-17A, IFN-α, IFN-γ, monocyte chemotactic protein [MCP]-1, TNF-α, E-selectin, P-selectin, soluble intercellular adhesion molecule [sICAM]-1, granulocyte-macrophage colony-stimulating factor [GM-CSF], macrophage inflammatory protein [MIP] -1α and MIP-1β) were compared among the groups...
November 1, 2016: Investigative Ophthalmology & Visual Science
https://www.readbyqxmd.com/read/27811565/automated-retroillumination-photography-analysis-for-objective-assessment-of-fuchs-corneal-dystrophy
#3
Allen O Eghrari, Aisha A Mumtaz, Brian Garrett, Mahsa Rezaei, Mina S Akhavan, Sheikh Amer Riazuddin, John D Gottsch
PURPOSE: Retroillumination photography analysis is an objective tool for the assessment of the number and distribution of guttae in eyes affected with Fuchs corneal dystrophy (FCD). Current protocols include manual processing of images; here, we assess validity and interrater reliability of automated analysis across various levels of FCD severity. METHODS: Retroillumination photographs of 97 FCD-affected corneas were acquired, and total counts of guttae were previously summated manually...
November 2, 2016: Cornea
https://www.readbyqxmd.com/read/27805532/visual-rehabilitation-after-penetrating-keratoplasty
#4
Leyla Asena, Dilek D Altınörs
OBJECTIVES: Here, our aim was to report our treatment strategies and their results performed for visual rehabilitation after penetrating keratoplasty. MATERIALS AND METHODS: The medical records of 98 patients (54 male/44 female), with results from 104 eyes, who underwent penetrating keratoplasty between January 2013 and January 2015 at the Baskent University Faculty of Medicine, Department of Ophthalmology were reviewed. Patient age, indication for penetrating keratoplasty, interventions performed for visual rehabilitation, follow-up duration, topographic and refractive astigmatism at the end of follow-up, and final best corrected visual acuity results were recorded...
November 2016: Experimental and Clinical Transplantation
https://www.readbyqxmd.com/read/27802523/restoration-of-mitochondrial-integrity-telomere-length-and-sensitivity-to-oxidation-by-in-vitro-culture-of-fuchs-endothelial-corneal-dystrophy-cells
#5
Sébastien P Gendron, Mathieu Thériault, Stéphanie Proulx, Isabelle Brunette, Patrick J Rochette
Purpose: Fuchs' endothelial corneal dystrophy (FECD), a degenerative disease of the corneal endothelium that leads to vision loss, is a leading cause of corneal transplantation. The cause of this disease is still unknown, but the implication of oxidative stress is strongly suggested. In this study, we analyzed the impact of FECD on mitochondrial DNA (mtDNA) integrity and telomere length, both of which are affected by the oxidative status of the cell. Methods: We compared the levels of total mtDNA, mtDNA common deletion (4977 bp), and relative telomere length in the corneal endothelial cells of fresh Descemet's membrane-endothelium explants and cultured cells from healthy and late stage FECD subjects...
November 1, 2016: Investigative Ophthalmology & Visual Science
https://www.readbyqxmd.com/read/27768788/microrna-profiles-qualify-phenotypic-features-of-cultured-human-corneal-endothelial-cells
#6
Morio Ueno, Kazuko Asada, Munetoyo Toda, Asako Hiraga, Monty Montoya, Chie Sotozono, Shigeru Kinoshita, Junji Hamuro
Purpose: To elucidate a noninvasive method to qualify and identify cultured human corneal endothelial cells (cHCECs) devoid of cell-state transition and adaptable for cell-based therapy. Methods: The variations of cHCECs in their composition of heterogeneous subpopulations (SPs) were verified in relation to their surface cluster-of-differentiation (CD) markers and their morphology. The profiles of microRNA (miRNA) in cultured cells or supernatants were detected by 3D-Gene Human microRNA Chips (Toray Industries, Inc...
October 1, 2016: Investigative Ophthalmology & Visual Science
https://www.readbyqxmd.com/read/27755191/ctg18-1-expansion-in-tcf4-increases-likelihood-of-transplantation-in-fuchs-corneal-dystrophy
#7
Allen O Eghrari, Shivakumar Vasanth, Jiangxia Wang, Farnoosh Vahedi, S Amer Riazuddin, John D Gottsch
PURPOSE: Fuchs dystrophy is the leading indication of corneal transplantation in the United States. A CTG18.1 trinucleotide repeat in TCF4 correlates with increased severity in Fuchs dystrophy; however, quantitative estimates of increased transplantation risk, including effects of age and sex, are unclear. METHODS: In a tertiary institution clinical practice, 574 participants were enrolled in a longitudinal study of Fuchs dystrophy after slit-lamp biomicroscopy confirmed significant central guttae and/or corneal transplantation in both eyes...
October 14, 2016: Cornea
https://www.readbyqxmd.com/read/27749447/rate-of-rejection-after-descemet-stripping-automated-endothelial-keratoplasty-in-fuchs-dystrophy-three-year-follow-up
#8
Lorena Sepsakos, Kevin Shah, T Peter Lindquist, William Barry Lee, Edward Holland
PURPOSE: To evaluate the rate of rejection after Descemet stripping automated endothelial keratoplasty (DSAEK) in patients with Fuchs endothelial dystrophy (ED) and to analyze potential risk factors for rejection. METHODS: An observational retrospective chart review of 400 patients with Fuchs ED was performed. The primary outcome was the rate of endothelial graft rejection. Secondary outcomes included graft clarity after rejection, medications at the time of rejection, and preoperative graft thickness...
October 5, 2016: Cornea
https://www.readbyqxmd.com/read/27741016/outcomes-of-descemet-stripping-endothelial-keratoplasty-using-eye-bank-prepared-preloaded-grafts
#9
Sotiria Palioura, Kathryn Colby
PURPOSE: To evaluate the feasibility of Descemet stripping endothelial keratoplasty using grafts preloaded by an eye bank in a commercially available insertion device. METHODS: In this retrospective case series, a series of 35 eyes in 34 consecutive patients who underwent Descemet stripping endothelial keratoplasty for Fuchs endothelial dystrophy or previously failed full-thickness grafts at a single tertiary care center from March 2013 to March 2014 was included...
October 12, 2016: Cornea
https://www.readbyqxmd.com/read/27701826/in-vitro-topographical-model-of-fuchs-dystrophy-for-evaluation-of-corneal-endothelial-cell-monolayer-formation
#10
Muhammad Rizwan, Gary S Peh, Khadijah Adnan, Sacha L Naso, Alon R Mendez, Jodhbir S Mehta, Evelyn K F Yim
A common indication for corneal transplantation, which is the most transplanted tissue, is a dysfunctional corneal endothelium due to Fuchs' endothelial dystrophy (FED). FED is diagnosed by the presence of in vivo pathological microtopography on the Descemet membrane, which is called corneal guttata. Minimally invasive corneal endothelial cell regenerative procedures such as endothelial cell injection therapy and Rho kinase inhibitor pharmacotherapy have been proposed as alternatives to conventional corneal transplantation for FED patients...
October 4, 2016: Advanced Healthcare Materials
https://www.readbyqxmd.com/read/27665214/histopathologic-features-of-descemet-membrane-endothelial-keratoplasty-graft-remnants-folds-and-detachments
#11
Thomas M Müller, Robert M Verdijk, Itay Lavy, Marieke Bruinsma, Jack Parker, Perry S Binder, Gerrit R J Melles
PURPOSE: To describe the histologic features of postmortem eyes after Descemet membrane endothelial keratoplasty (DMEK) and their potential clinical implications. DESIGN: Histopathologic study. PARTICIPANTS: Eleven postmortem DMEK corneas of 8 patients who underwent surgery for Fuchs endothelial dystrophy, with an average postoperative time of 4±1.9 years (range, 7 months-6.5 years). METHODS: Eleven corneas transplanted with a DMEK graft were procured after death and processed for light microscopy evaluation...
December 2016: Ophthalmology
https://www.readbyqxmd.com/read/27661858/corneal-hydration-control-in-fuchs-endothelial-corneal-dystrophy
#12
Katrin Wacker, Jay W McLaren, Katrina M Kane, Keith H Baratz, Sanjay V Patel
Purpose: To assess corneal hydration control across a range of severity of Fuchs' endothelial corneal dystrophy (FECD) by measuring the percent recovery per hour (PRPH) of central corneal thickness after swelling the cornea and to determine its association with corneal morphologic parameters. Methods: Twenty-three corneas of 23 phakic FECD patients and 8 corneas of 8 healthy control participants devoid of guttae were graded (modified Krachmer scale). Effective endothelial cell density (ECDe) was determined from the area of guttae and local cell density in confocal microscopy images...
September 1, 2016: Investigative Ophthalmology & Visual Science
https://www.readbyqxmd.com/read/27661069/two-year-refractive-outcomes-after-descemet-membrane-endothelial-keratoplasty
#13
Korine van Dijk, Marina Rodriguez-Calvo-de-Mora, Hilde van Esch, Laurence Frank, Isabel Dapena, Lamis Baydoun, Silke Oellerich, Gerrit R J Melles
PURPOSE: To monitor refractive changes after Descemet membrane endothelial keratoplasty (DMEK) and to determine what may influence these changes and the time point of stabilization. METHODS: From 67 pseudophakic DMEK eyes operated on for Fuchs endothelial dystrophy at a tertiary referral center, biomicroscopy, visual acuity, subjective refraction, and Scheimpflug-based corneal tomography data were obtained before and up to 2 years postoperatively. Visual acuity and changes in spherical equivalent (SE), mean anterior and posterior simulated keratometry (Km), and central pachymetry were analyzed...
September 21, 2016: Cornea
https://www.readbyqxmd.com/read/27659544/a-randomized-multicenter-clinical-trial-of-ultrathin-descemet-stripping-automated-endothelial-keratoplasty-dsaek-versus-dsaek
#14
Mor M Dickman, Pieter J Kruit, Lies Remeijer, Jeroen van Rooij, Allegonda Van der Lelij, Robert H J Wijdh, Frank J H M van den Biggelaar, Tos T J M Berendschot, Rudy M M A Nuijts
OBJECTIVE: To compare visual acuity, refraction, endothelial cell density (ECD), and complications after Descemet stripping automated endothelial keratoplasty (DSAEK) and ultrathin DSAEK (UT-DSAEK). DESIGN: A multicenter, prospective, double-masked, randomized, controlled clinical trial. PARTICIPANTS: From 66 patients with irreversible corneal endothelial dysfunction dues to Fuchs' dystrophy who enrolled from 4 tertiary medical centers in the Netherlands, 66 eyes were studied...
September 19, 2016: Ophthalmology
https://www.readbyqxmd.com/read/27639969/existence-of-neural-crest-derived-progenitor-cells-in-normal-and-fuchs-endothelial-dystrophy-corneal-endothelium
#15
Kishore Reddy Katikireddy, Thore Schmedt, Marianne O Price, Francis W Price, Ula V Jurkunas
Human corneal endothelial cells are derived from neural crest and because of postmitotic arrest lack competence to repair cell loss from trauma, aging, and degenerative disorders such as Fuchs endothelial corneal dystrophy (FECD). Herein, we identified a rapidly proliferating subpopulation of cells from the corneal endothelium of adult normal and FECD donors that exhibited features of neural crest-derived progenitor (NCDP) cells by showing absence of senescence with passaging, propensity to form spheres, and increased colony forming efficacy compared with the primary cells...
October 2016: American Journal of Pathology
https://www.readbyqxmd.com/read/27639516/biomechanical-relationships-between-the-corneal-endothelium-and-descemet-s-membrane
#16
REVIEW
Maryam Ali, VijayKrishna Raghunathan, Jennifer Y Li, Christopher J Murphy, Sara M Thomasy
The posterior face of the cornea consists of the corneal endothelium, a monolayer of cuboidal cells that secrete and attach to Descemet's membrane, an exaggerated basement membrane. Dysfunction of the endothelium compromises the barrier and pump functions of this layer that maintain corneal deturgesence. A large number of corneal endothelial dystrophies feature irregularities in Descemet's membrane, suggesting that cells create and respond to the biophysical signals offered by their underlying matrix. This review provides an overview of the bidirectional relationship between Descemet's membrane and the corneal endothelium...
November 2016: Experimental Eye Research
https://www.readbyqxmd.com/read/27635063/new-zealand-trends-in-corneal-transplantation-over-the-25%C3%A2-years-1991-2015
#17
Bia Z Kim, Jay J Meyer, Nigel H Brookes, S Louise Moffatt, Helen C Twohill, David G Pendergrast, Trevor Sherwin, Charles N J McGhee
AIMS: To report the 25-year longitudinal trends in indications and corneal transplantation techniques in New Zealand. METHODS: Statistical analysis of prospectively acquired New Zealand National Eye Bank (NZNEB) electronic database from 1991 to 2015 inclusive. Subjects were recipients of corneal transplants in 62 centres supplied by the NZNEB. Main outcome measures were indications, recipient age and transplantation techniques. RESULTS: From January 1991 to December 2015, NZNEB supplied tissue for 5574 corneal transplants, increasing annually from 89 (1991) to 290 (2015)...
September 15, 2016: British Journal of Ophthalmology
https://www.readbyqxmd.com/read/27633840/influence-of-early-descemet-stripping-endothelial-keratoplasty-on-visual-outcomes-in-pseudophakic-corneal-edema
#18
Sarah B Weissbart, Kristin M Hammersmith, Brandon D Ayres, Christopher J Rapuano, Parveen K Nagra, Irving M Raber, Amir A Azari
PURPOSE: Long-standing corneal edema can lead to anterior stromal scarring that may limit visual acuity following Descemet stripping endothelial keratoplasty (DSEK). The ideal time to perform DSEK to prevent permanent changes is unclear. Our aim is to determine whether earlier DSEK is associated with improved visual outcomes. DESIGN: Cohort study. METHODS: Setting: Institutional. STUDY POPULATION: 120 eyes of patients who underwent DSEK for corneal edema following cataract surgery (CE)...
September 12, 2016: American Journal of Ophthalmology
https://www.readbyqxmd.com/read/27631348/evaluation-of-visual-quality-in-patients-with-fuchs-endothelial-corneal-dystrophy
#19
Yoshinori Oie, Shinya Watanabe, Kohji Nishida
Fuchs endothelial corneal dystrophy (FECD) is a bilateral corneal endothelial dystrophy characterized by the deposition of extracellular matrix (guttae), thickening of Descemet membrane, and progressive loss of corneal endothelial cells. Progressive endothelial cellular loss leads to corneal edema and impairs visual function. In eyes with FECD, corneal edema begins in the central cornea and expands into the periphery. FECD is the most common dystrophic reason for corneal transplantation in many countries. Some patients with FECD report visual discomfort despite the absence of corneal edema...
November 2016: Cornea
https://www.readbyqxmd.com/read/27617872/sex-chromosome-analysis-of-postmortem-corneal-endothelium-after-sex-mismatch-descemet-membrane-endothelial-keratoplasty
#20
Itay Lavy, Robert M Verdijk, Marieke Bruinsma, Hein F Sleddens, Silke Oellerich, Perry S Binder, Gerrit R J Melles
PURPOSE: To identify the origin of corneal endothelial cells (host or donor) present on grafts at various time points after Descemet membrane endothelial keratoplasty (DMEK), using fluorescence in situ hybridization (FISH) of sex chromosomes on post mortem corneas with sex mismatch between the donor and host. METHODS: Corneoscleral buttons of 6 post mortem DMEK eyes of 4 patients, operated for Fuchs endothelial dystrophy, with an average postoperative time of 2...
September 8, 2016: Cornea
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