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https://www.readbyqxmd.com/read/28146443/developing-an-item-bank-to-measure-quality-of-life-in-individuals-with-glaucoma-and-the-results-of-the-interview-with-patients-the-effect-of-visual-function-visual-field-progression-rate-medical-and-surgical-treatments-on-quality-of-life
#1
Masato Matsuura, Kazunori Hirasawa, Hiroyo Hirasawa, Mieko Yanagisawa, Hiroshi Murata, Chihiro Mayama, Ryo Asaoka
PURPOSE: To construct a new item bank to measure quality of life (QOL) in glaucoma patients and to evaluate glaucoma patients' QOL using the item bank. METHODS: An item bank of questions was generated through a literature review of QOL instruments useful for glaucoma patients. Using this item bank, a cognitive survey was performed on 203 patients with glaucoma (112 males and 91 females, 61.9±11.9 y old; mean±SD). The results were then analyzed using the Rasch analysis, and the Rasch-derived disability scores were predicted using linear modelling and the following clinical parameters: age, mean total deviation (mTD) in superior and inferior visual field (mTDsup/mTDinf), mTD progression rate, better visual acuity, worse visual acuity, number of eye drops administered per day, number of trabeculectomy procedures experienced in both eyes...
February 2017: Journal of Glaucoma
https://www.readbyqxmd.com/read/28129302/evaluation-and-quality-assessment-of-prestripped-preloaded-descemet-membrane-endothelial-keratoplasty-grafts
#2
Khoa D Tran, Philip K Dye, Kelly Odell, Joshua Galloway, Christopher G Stoeger, Michael D Straiko, Mark A Terry
PURPOSE: To determine graft quality and feasibility of Descemet membrane endothelial keratoplasty (DMEK) grafts that are prestripped and preloaded into injectors by eye bank technicians before shipping to surgeons. METHODS: DMEK grafts (n = 31) were prepared from donor corneas and preloaded into Straiko Modified Jones tubes and set inside viewing chambers filled with 20 mL of Optisol-GS. Preloaded grafts were evaluated using specular microscopy and slit-lamp biomicroscopy...
January 26, 2017: Cornea
https://www.readbyqxmd.com/read/28116630/corneal-transplantation-study-of-the-data-of-a-regional-eye-bank-for-the-year-2013-and-analysis-of-the-evolution-of-the-adverse-events-reported-in-france-since-2010
#3
Anne-Sophie Gauthier, Marie Castelbou, Mélanie Bidaut Garnier, Joëlle Pizzuto, Stephan Roux, Philippe Gain, Fabienne Pouthier, Bernard Delbosc
To analyze the data of the adverse events collected in a single major eye bank (EFS Bourgogne Franche Comté, Besançon, France) for the year 2013 and to report the French data of biovigilance provided by the French National Agency for Medicines and Health Products Safety (ANSM) between 2010 and 2013. we have set up a study of adverse events in 2013, in collaboration with a single eye bank (EFS Bourgogne Franche Comté, Besançon, France). A survey was sent to the surgeon for each delivered corneal button by the eye bank in 2013...
January 23, 2017: Cell and Tissue Banking
https://www.readbyqxmd.com/read/28114577/biomechanical-strengthening-of-the-human-cornea-induced-by-nanoplatform-based-transepithelial-riboflavin-uv-a-corneal-cross-linking
#4
Cristina Labate, Marco Lombardo, Giuseppe Lombardo, Maria Penelope De Santo
Purpose: The purpose of this study was to investigate the biomechanical stiffening effect induced by nanoplatform-based transepithelial riboflavin/UV-A cross-linking protocol using atomic force microscopy (AFM). Methods: Twelve eye bank donor human sclerocorneal tissues were investigated using a commercial atomic force microscope operated in force spectroscopy mode. Four specimens underwent transepithelial corneal cross-linking using a hypotonic solution of 0.1% riboflavin with biodegradable polymeric nanoparticles of 2-hydroxypropyl-β-cyclodextrin plus enhancers (trometamol and ethylenediaminetetraacetic acid) and UV-A irradiation with a 10 mW/cm2 device for 9 minutes...
January 1, 2017: Investigative Ophthalmology & Visual Science
https://www.readbyqxmd.com/read/28095050/the-expressions-of-klotho-family-genes-in-human-ocular-tissues-and-in-anterior-lens-capsules-of-age-related-cataract
#5
Yu Zhang, Liya Wang, Zhong Wu, Xiaolin Yu, Xiaofeng Du, Xiaohua Li
PURPOSE: Klotho genes are expressed in limited tissues and have been found to be a pathogenic factor of age-related diseases in mammals, but their expressions and functions in human eyes are yet to be defined. This study was performed to investigate the expression of Klotho family genes in human ocular tissues and anterior lens capsules of age-related cataract. METHODS: Individual tissues were isolated from human eyeballs collected from Henan Eye Bank. Human anterior lens capsules were collected from cortical cataract patients during phacoemulsification with the informed consent...
January 17, 2017: Current Eye Research
https://www.readbyqxmd.com/read/28060143/comparison-of-hospital-cornea-retrieval-and-voluntary-eye-donation-program-in-eye-banking
#6
Namrata Sharma, Nikhil Agrawal, Prafulla K Maharana, Tushar Agarwal, Murugesan Vanathi, Rasik B Vajpayee
OBJECTIVES: Comparison of demographic, clinical, microbiological, and utility profile of the corneas obtained through hospital corneal retrieval program (HCRP) and voluntary eye donation (VED) program. METHODS: Donor corneas retrieved during a 14 months period at National eye bank, India were included in the study. The donor cornea grading was done according to the cornea donor study. The corneal swabs were taken from the donor eyes and were sent for microbiological evaluation...
January 4, 2017: Eye & Contact Lens
https://www.readbyqxmd.com/read/28060077/ethical-issues-in-transnational-eye-banking
#7
Dominique E Martin, Richard Kelly, Gary L A Jones, Heather Machin, Graeme A Pollock
PURPOSE: To review ethical issues that may arise in the setting of transnational eye banking activities, such as when exporting or importing corneal tissue for transplantation. METHODS: A principle-based normative analysis of potential common dilemmas in transnational eye banking activities was performed. RESULTS: Transnational activities in eye banking, like those in other fields involving procurement and use of medical products of human origin, may present a number of ethical issues for policy makers and professionals...
February 2017: Cornea
https://www.readbyqxmd.com/read/28055053/optical-coherence-tomography-based-topography-determination-of-corneal-grafts-in-eye-bank-cultivation
#8
Angela Damian, Berthold Seitz, Achim Langenbucher, Timo Eppig
No abstract text is available yet for this article.
January 1, 2017: Journal of Biomedical Optics
https://www.readbyqxmd.com/read/28033432/association-between-endothelial-cell-density-and-transplant-suitability-of-corneal-tissue-with-type-1-and-type-2-diabetes
#9
Jordan A Margo, Wuqaas M Munir, Clayton H Brown, Caroline K Hoover
Importance: The rate of types 1 and 2 diabetes in the United States is increasing. The effect of diabetes on corneal donor tissue is unknown. Objectives: To determine the association between endothelial cell density and suitability for transplantation in cornea donors with type 1 or 2 diabetes and determine the effect of diabetes on technician-induced endothelial damage during cornea donor tissue processing. Design, Setting, and Participants: Donor information was obtained from the SightLife Eye Bank for donors from June 1, 2012, to June 30, 2015...
December 29, 2016: JAMA Ophthalmology
https://www.readbyqxmd.com/read/28002793/next-generation-sequencing-of-vitreoretinal-lymphomas-from-small-volume-intraocular-liquid-biopsies-new-routes-to-targeted-therapies
#10
Andi K Cani, Daniel H Hovelson, Hakan Demirci, Mark W Johnson, Scott A Tomlins, Rajesh C Rao
BACKGROUND: Vitreoretinal lymphoma (VRL), the most common lymphoma of the eye, is a rare form of primary CNS lymphoma (PCNSL). Most frequently a high-grade diffuse large B cell lymphoma, VRL can cause vision loss and its prognosis remains dismal: the overall survival time is 3 years after diagnosis. Radiotherapy and chemotherapy are used but remain frequently ineffective, and no standardized treatment regimen exists. Furthermore, no biologically targeted treatments, based on the genetic profile of the tumor, are available, as VRL has hitherto not comprehensively been profiled...
January 31, 2017: Oncotarget
https://www.readbyqxmd.com/read/27984364/age-stratified-analysis-of-diabetes-and-pseudophakia-effects-on-corneal-endothelial-cell-density-a-retrospective-eye-bank-study
#11
Yicheng Chen, Sean W Tsao, Moonseong Heo, Patrick K Gore, Mitchell D McCarthy, Roy S Chuck, Prabjot Channa
PURPOSE: To perform an age-stratified analysis of the effect of diabetes and pseudophakia on corneal endothelial cell density (ECD). METHODS: This is a comparative analysis of donor characteristics from data supplied by the Lions Eye Institute for Transplant and Research on tissue harvested from July 1, 2007, through May 23, 2014. The mixed-effects model was used to compare age-adjusted mean corneal ECD between donors with and without diabetes. RESULTS: A total of 20,026 nondiabetic donor eyes and 13,617 diabetic donor eyes were included in this study...
March 2017: Cornea
https://www.readbyqxmd.com/read/27965261/very-early-endothelial-cell-loss-after-penetrating-keratoplasty-with-organ-cultured-corneas
#12
Anne Sophie Gauthier, Thibaud Garcin, Gilles Thuret, Zhiguo He, Remy Jullienne, Marie Caroline Trone, Chaker Nefzaoui, Sophie Acquart, Fabien Forest, Michel Péoc'h, Bernard Delbosc, Philippe Gain
AIMS: After keratoplasty, postoperative endothelial cell loss is calculated between the eye bank endothelial cell density (ebECD) and the postoperative specular microscopy (SM). To elucidate the very early cell loss, always described after penetrating keratoplasty (PK), we designed two complementary studies. METHODS: (1) Clinical prospective study of 90 consecutive PKs (keratoconus, Fuchs' corneal dystrophy, lattice dystrophy, bullous keratopathy) with organ-cultured corneas and postoperative follow-up by SM at day 5 (D5), D15, month 1 (M1) and M3...
December 13, 2016: British Journal of Ophthalmology
https://www.readbyqxmd.com/read/27960577/endothelial-cell-count-in-eye-bank-corneal-grafts-impact-of-death-cause-and-donor-diseases
#13
Filip Filev, Olaf J C Hellwinkel, Mau-Thek Eddy, Stephan J Linke, Birgit Wulff
PURPOSE: The purpose of this study is to analyze the impact of death causes and documented donor diseases on initial endothelial cell counts (after retrieval) and the development of corneal graft endothelia during organ culture. METHODS: The retrospective statistic analyses was conducted on a data set of 10,185 human corneas prepared at the Hamburg Eye Bank. RESULTS: Although we observed that death by gunshot trauma or alcoholism seems to be associated with marginally higher endothelium cell counts (independently from donor age), we could prove that only donor age is a relevant predictive parameter for the initial cell-density of the endothelium and its development in vitro...
December 14, 2016: Seminars in Ophthalmology
https://www.readbyqxmd.com/read/27938387/impact-of-cushing-s-sign-in-the-prehospital-setting-on-predicting-the-need-for-immediate-neurosurgical-intervention-in-trauma-patients-a-nationwide-retrospective-observational-study
#14
Tetsuya Yumoto, Toshiharu Mitsuhashi, Yasuaki Yamakawa, Atsuyoshi Iida, Nobuyuki Nosaka, Kohei Tsukahara, Hiromichi Naito, Atsunori Nakao
BACKGROUND: Cushing's reflex usually results from intracranial hypertension. Although Cushing's sign can implicate severe traumatic brain injury (TBI) in injured patients, no major investigations have been made. The purpose of this study was to assess the predictability of life-threatening brain injury requiring immediate neurosurgical intervention (LT-BI) among trauma patients with Cushing's sign in the prehospital setting. METHODS: This was a retrospective study using data from the Japan Trauma Data Bank from the period of 2010 to 2014...
December 9, 2016: Scandinavian Journal of Trauma, Resuscitation and Emergency Medicine
https://www.readbyqxmd.com/read/27936470/ocular-delivery-of-pacap1-27-protects-the-retina-from-ischemic-damage-in-rodents
#15
Dora Werling, Dora Reglodi, William A Banks, Therese S Salameh, Krisztina Kovacs, Timea Kvarik, Alexandra Vaczy, Laszlo Kovacs, Flora Mayer, Bese Danyadi, Emese Lokos, Andrea Tamas, Gabor Toth, Zsolt Biro, Tamas Atlasz
Purpose: Pituitary adenylate cyclase activating polypeptide (PACAP) is neuroprotective in neuronal injuries. Bilateral common carotid artery occlusion (BCCAO) causes chronic hypoperfusion-induced degeneration in the rat retina, where we proved the retinoprotective effect of intravitreal PACAP. Although this route of administration is a common clinical practice in several diseases, easier routes are clinically important. Our aim was to investigate the potential retinoprotective effects of PACAP eye drops in BCCAO-induced ischemic retinopathy...
December 1, 2016: Investigative Ophthalmology & Visual Science
https://www.readbyqxmd.com/read/27928705/semi-quantitative-assessments-of-dextran-toxicity-on-corneal-endothelium-conceptual-design-of-a-predictive-algorithm
#16
Filip Filev, Ceprail Oezcan, Jana Feuerstacke, Stephan J Linke, Birgit Wulff, Olaf J C Hellwinkel
Dextran is added to corneal culture medium for at least 8 h prior to transplantation to ensure that the cornea is osmotically dehydrated. It is presumed that dextran has a certain toxic effect on corneal endothelium but the degree and the kinetics of this effect have not been quantified so far. We consider that such data regarding the toxicity of dextran on the corneal endothelium could have an impact on scheduling and logistics of corneal preparation in eye banking. In retrospective statistic analyses, we compared the progress of corneal endothelium (endothelium cell loss per day) of 1334 organ-cultured corneal explants in media with and without dextran...
December 7, 2016: Cell and Tissue Banking
https://www.readbyqxmd.com/read/27918354/ethical-issues-in-transnational-eye-banking
#17
Dominique E Martin, Richard Kelly, Gary L A Jones, Heather Machin, Graeme A Pollock
PURPOSE: To review ethical issues that may arise in the setting of transnational eye banking activities, such as when exporting or importing corneal tissue for transplantation. METHODS: A principle-based normative analysis of potential common dilemmas in transnational eye banking activities was performed. RESULTS: Transnational activities in eye banking, like those in other fields involving procurement and use of medical products of human origin, may present a number of ethical issues for policy makers and professionals...
December 1, 2016: Cornea
https://www.readbyqxmd.com/read/27898982/evaluation-of-corneal-cross-linking-for-treatment-of-fungal-keratitis-using-confocal-laser-scanning-microscopy-on-an-ex-vivo-human-corneal-model
#18
Jawaher M Alshehri, David Caballero-Lima, M Chantal Hillarby, Susan G Shawcross, Arun Brahma, Fiona Carley, Nick D Read, Hema Radhakrishnan
Purpose: Some previous reports have established the use of photoactivated chromophore-induced corneal cross-linking (PACK-CXL) in treating fungal keratitis. The results of these case reports have often been conflicting. To systematically study the effect of PACK-CXL in the management of Fusarium keratitis, we have developed an ex vivo model of human corneal infection using eye-banked human corneas. Methods: Sixteen healthy ex vivo human corneas were divided into four study groups: (1) untreated control, (2) cross-linked, (3) infected with fungal spores, and (4) infected with fungal spores and then cross-linked...
November 1, 2016: Investigative Ophthalmology & Visual Science
https://www.readbyqxmd.com/read/27878655/the-use-of-donor-scleral-patch-in-ophthalmic-surgery
#19
REVIEW
Christopher Hodge, Gerard Sutton, Raj Devasahayam, Pierre Georges, Jane Treloggen, Simon Cooper, Con Petsoglou
Scleral tissue has been in use in ophthalmology for many years although indications for use have varied. We retrospectively reviewed scleral transplant tissue requests over a 12 month period at a local eye bank and confirmed a small but significant demand for the use of scleral tissue. Iatrogenic surgical complications are the primary indication for use. Our understanding of the indications and outcomes of scleral graft procedures is derived from case reports and small cohort series. We reviewed the current literature on existing indications for its use and discuss the relative outcomes...
November 23, 2016: Cell and Tissue Banking
https://www.readbyqxmd.com/read/27861305/trends-and-determinants-of-familial-consent-for-corneal-donation-in-chinese
#20
Allie Lee, Michael Y Ni, Amanda C K Luk, Jessie K P Lau, Karen S Y Lam, Tom K Li, Catherine S M Wong, Victoria W Y Wong
PURPOSE: Corneal transplantation is the treatment of choice for many corneal diseases. At present, there is a global shortage of corneal transplant tissues, and failure to obtain consent from families of potential donors is a major limiting factor in tissue procurement. METHODS: All family members of potential donors after cardiac death approached by the local eye bank staff members from January 2008 to December 2014 in Hong Kong were included. Reasons for consent or refusal and sociodemographic details of the deceased and the family members approached were reviewed...
March 2017: Cornea
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