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https://www.readbyqxmd.com/read/27871763/diplopia-in-medically-and-surgically-treated-patients-with-glaucoma
#1
Philip Y Sun, David A Leske, Jonathan M Holmes, Cheryl L Khanna
PURPOSE: To report the prevalence, type, and cause of diplopia in medically and surgically treated patients with glaucoma. DESIGN: Cohort study. PARTICIPANTS: A total of 195 adult patients with glaucoma treated in a glaucoma referral practice. METHODS: A total of 195 adult patients with glaucoma who had undergone surgical or medical management were prospectively enrolled. Forty-seven patients had undergone glaucoma drainage device (GDD) surgery (Baerveldt 350, Baerveldt 250 [Abbott Medical Optics, Abbott Park, IL], or Ahmed FP7 [New World Medical Inc, Rancho Cucamonga, CA]), 61 patients had undergone trabeculectomy, and 87 patients were medically treated...
November 18, 2016: Ophthalmology
https://www.readbyqxmd.com/read/27869685/three-dimensional-biologically-relevant-spectrum-brs-3d-shape-similarity-profile-based-on-pdb-ligands-as-molecular-descriptors
#2
Ben Hu, Zheng-Kun Kuang, Shi-Yu Feng, Dong Wang, Song-Bing He, De-Xin Kong
The crystallized ligands in the Protein Data Bank (PDB) can be treated as the inverse shapes of the active sites of corresponding proteins. Therefore, the shape similarity between a molecule and PDB ligands indicated the possibility of the molecule to bind with the targets. In this paper, we proposed a shape similarity profile that can be used as a molecular descriptor for ligand-based virtual screening. First, through three-dimensional (3D) structural clustering, 300 diverse ligands were extracted from the druggable protein-ligand database, sc-PDB...
November 17, 2016: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/27860168/use-of-a-350-mm-2-baerveldt-glaucoma-drainage-device-to-maintain-vision-and-control-intraocular-pressure-in-dogs-with-glaucoma-a-retrospective-study-2013-2016
#3
Kathleen L Graham, David Donaldson, Francis A Billson, F Mark Billson
OBJECTIVE: To evaluate the 350-mm(2) Baerveldt glaucoma drainage device (GDD) in dogs with refractory glaucoma when modifications to address postoperative hypotony (extraluminal ligature; intraluminal stent) and the fibroproliferative response (intraoperative Mitomycin-C; postoperative oral colchicine and prednisolone) are implemented as reported in human ophthalmology. DESIGN: Retrospective case series. ANIMALS: Twenty-eight client-owned dogs (32 eyes) including seven dogs (nine eyes) with primary glaucoma and 21 dogs (23 eyes) with secondary glaucoma...
November 16, 2016: Veterinary Ophthalmology
https://www.readbyqxmd.com/read/27857488/porosity-of-bleb-capsule-declines-rapidly-with-fluid-challenge
#4
Surinder S Pandav, Craig M Ross, Faisal Thattaruthody, Ritambhra Nada, Nirbhai Singh, Natasha Gautam, Stephen Beirne, Gordon G Wallace, Mark B Sherwood, Jonathan G Crowston, Michael Coote
INTRODUCTION: The porosity of the fibrous capsule around a glaucoma drainage device (GDD) may be the most important functional attribute. The factors that determine capsular porosity are not well understood. Failed GDD surgeries are usually associated with thick impervious capsules and components of aqueous have been implicated in this process. PURPOSE: In this study, we interrogated the effect of passage of nonaqueous fluid on capsular porosity in mature (but aqueous naïve) blebs in a previously reported GDD model (the "Center for Eye Research Australia Implant")...
September 2016: Journal of Current Glaucoma Practice
https://www.readbyqxmd.com/read/27614591/safety-of-concurrent-boston-type-i-keratoprosthesis-and-glaucoma-drainage-device-implantation
#5
Tamara L Lenis, Stephan Y Chiu, Simon K Law, Fei Yu, Anthony J Aldave
PURPOSE: To evaluate the safety of concurrent Boston type I keratoprosthesis (KPro) and glaucoma drainage device (GDD) implantation. DESIGN: Retrospective comparative study of a consecutive cohort of patients. SUBJECTS: Patients who underwent KPro implantation by a single surgeon (A.J.A.) with or without 1 concurrent Ahmed GDD (New World Medical, Inc., Rancho Cucamonga, CA) implantation between January 1, 2005, and January 31, 2015, were included...
September 7, 2016: Ophthalmology
https://www.readbyqxmd.com/read/27612183/design-and-performance-of-a-large-lumen-glaucoma-drainage-device
#6
J L Olson, S Groman-Lupa
PurposeWe report the in vivo testing of a large-lumen glaucoma drainage (LL-GDD) device equipped with a flow regulator. The device's membrane can be non-invasively opened with laser in the postoperative period to adjust aqueous flow and intraocular pressure.MethodsThe initial LL-GDD prototypes were constructed using 22 G silicone angiocatheters cut down to size. A 10 nm PVDF membrane was then affixed to the end using cyanoacrylate. The LL-GDD was tested first in a model eye equipped with ports for infusion and pressure measurement and in New Zealand rabbits...
September 9, 2016: Eye
https://www.readbyqxmd.com/read/27570215/endoscopic-cyclophotocoagulation-versus-second-glaucoma-drainage-device-after-prior-aqueous-tube-shunt-surgery
#7
Yohko Murakami, Handan Akil, Jasdeep Chahal, Laurie Dustin, James Tan, Vikas Chopra, Brian Francis
BACKGROUND: To evaluate the efficacy in controlling intraocular pressure (IOP) with endoscopic cyclophotocoagulation (ECP) versus implantation of a second glaucoma drainage device (GDD-2) in the treatment of uncontrolled glaucoma with a prior aqueous tube shunt. DESIGN: A nonrandomized retrospective chart review. PARTICIPANTS: Patients with refractory glaucoma following a failed initial tube shunt (Baerveldt Glaucoma Implant 350), who underwent ECP or GDD-2 with Baerveldt Glaucoma Implant as a second surgery...
August 28, 2016: Clinical & Experimental Ophthalmology
https://www.readbyqxmd.com/read/27557259/high-dispersive-mirrors-for-erbium-doped-fiber-chirped-pulse-amplification-system
#8
Yu Chen, Yanzhi Wang, Linjun Wang, Meiping Zhu, Hongji Qi, Jianda Shao, Xiaojun Huang, Sheng Yang, Chao Li, Kainan Zhou, Qihua Zhu
We report on the development of near-infrared high dispersive mirrors (HDM) with a group delay dispersion (GDD) of -2000 fs<sup>2</sup>. A HDM pair based on one optimized result at two reference wavelengths (1550 nm and 1560 nm) can reduce the total oscillation of the GDD effectively in the wavelength range of 1530-1575 nm. This HDM pair is designed and fabricated in a single coating run by means of the nonuniformity in film deposition. For the first time, near-infrared HDMs with two different reference wavelengths have been successfully applied in an erbium-doped fiber chirped pulse amplification system for the compression of 4...
August 22, 2016: Optics Express
https://www.readbyqxmd.com/read/27541832/a-novel-ano5-mutation-causing-gnathodiaphyseal-dysplasia-with-high-bone-turnover-osteosclerosis
#9
Tim Rolvien, Till Koehne, Uwe Kornak, Wolfgang Lehmann, Michael Amling, Thorsten Schinke, Ralf Oheim
Gnathodiaphyseal dysplasia (GDD) is a rare skeletal syndrome that involves an osteopetrosis-like sclerosis of the long bones and fibrous dysplasia-like cemento-osseous lesions of the jawbone. Although the genetic analysis of the respective patients has revealed mutations in the ANO5 gene as an underlying cause, there is still no established consensus regarding the bone status of GDD patients. We report a new case of GDD in a 13-year-old boy with recurrent diaphyseal fractures of the femur, in whom we identified a novel de novo missense mutation in the ANO5 gene, causing a p...
August 19, 2016: Journal of Bone and Mineral Research: the Official Journal of the American Society for Bone and Mineral Research
https://www.readbyqxmd.com/read/27524006/porous-biomorphic-silicon-carbide-ceramics-coated-with-hydroxyapatite-as-prospective-materials-for-bone-implants
#10
Oleksandr Gryshkov, Nickolai I Klyui, Volodymyr P Temchenko, Vitalii S Kyselov, Anamika Chatterjee, Alexander E Belyaev, Lothar Lauterboeck, Dmytro Iarmolenko, Birgit Glasmacher
Porous and cytocompatible silicon carbide (SiC) ceramics derived from wood precursors and coated with bioactive hydroxyapatite (HA) and HA-zirconium dioxide (HA/ZrO2) composite are materials with promising application in engineering of bone implants due to their excellent mechanical and structural properties. Biomorphic SiC ceramics have been synthesized from wood (Hornbeam, Sapele, Tilia and Pear) using a forced impregnation method. The SiC ceramics have been coated with bioactive HA and HA/ZrO2 using effective gas detonation deposition approach (GDD)...
November 1, 2016: Materials Science & Engineering. C, Materials for Biological Applications
https://www.readbyqxmd.com/read/27516856/evolutionary-potential-in-the-alpine-trait-heritabilities-and-performance-variation-of-the-dwarf-willow-salix-herbacea-from-different-elevations-and-microhabitats
#11
Janosch Sedlacek, Andrés J Cortés, Julia Wheeler, Oliver Bossdorf, Guenter Hoch, Jaroslav Klápště, Christian Lexer, Christian Rixen, Sonja Wipf, Sophie Karrenberg, Mark van Kleunen
Alpine ecosystems are seriously threatened by climate change. One of the key mechanisms by which plants can adapt to changing environmental conditions is through evolutionary change. However, we still know little about the evolutionary potential in wild populations of long-lived alpine plants. Here, we investigated heritabilities of phenological traits, leaf size, and performance traits in natural populations of the long-lived alpine dwarf shrub Salix herbacea using relatedness estimates inferred from SSR (Simple Sequence Repeat) markers...
June 2016: Ecology and Evolution
https://www.readbyqxmd.com/read/27500641/potent-allosteric-dengue-virus-ns5-polymerase-inhibitors-mechanism-of-action-and-resistance-profiling
#12
Siew Pheng Lim, Christian Guy Noble, Cheah Chen Seh, Tingjin Sherryl Soh, Abbas El Sahili, Grace Kar Yarn Chan, Julien Lescar, Rishi Arora, Timothy Benson, Shahul Nilar, Ujjini Manjunatha, Kah Fei Wan, Hongping Dong, Xuping Xie, Pei-Yong Shi, Fumiaki Yokokawa
Flaviviruses comprise major emerging pathogens such as dengue virus (DENV) or Zika virus (ZIKV). The flavivirus RNA genome is replicated by the RNA-dependent-RNA polymerase (RdRp) domain of non-structural protein 5 (NS5). This essential enzymatic activity renders the RdRp attractive for antiviral therapy. NS5 synthesizes viral RNA via a "de novo" initiation mechanism. Crystal structures of the flavivirus RdRp revealed a "closed" conformation reminiscent of a pre-initiation state, with a well ordered priming loop that extrudes from the thumb subdomain into the dsRNA exit tunnel, close to the "GDD" active site...
August 2016: PLoS Pathogens
https://www.readbyqxmd.com/read/27495264/corneal-endothelial-cell-loss-after-baerveldt-glaucoma-drainage-device-implantation-in-the-anterior-chamber
#13
Annelie N Tan, Carroll A B Webers, Tos T J M Berendschot, John de Brabander, Pauline M de Witte, Rudy M M A Nuijts, Johannes S A G Schouten, Henny J M Beckers
PURPOSE: To investigate central and peripheral corneal endothelial cell density (ECD) in relation to Baerveldt (BV) glaucoma drainage device (GDD) tube corneal (TC) distance. METHODS: Prospective study of all patients scheduled for glaucoma tube surgery with 36 months follow-up. A BV GDD was inserted into the anterior chamber (AC). Anterior segment optical coherence tomography (AS-OCT) scans were made to determine the TC distance. Central and peripheral ECD was measured, preoperatively and at 3, 6, 12, 24 and 36 months postoperatively...
August 6, 2016: Acta Ophthalmologica
https://www.readbyqxmd.com/read/27464129/broadband-beamsplitter-for-high-intensity-laser-applications-in-the-infra-red-spectral-range
#14
Tatiana Amotchkina, Hanieh Fattahi, Yurij A Pervak, Michael Trubetskov, Vladimir Pervak
We report on design, production and characterization of an extremely broadband multilayer beamsplitter, covering wavelength range from 0.67 - 2.6 µm. The group delay dispersion has small oscillations in the above mentioned working range. We used a new algorithm with floating constants allowing us to obtain a smooth and near constant GDD. The optical element based on the beamsplitter is used for dividing a low-energy super-octave spectrum into several sub-spectral regions which are later amplified and coherently combined...
July 25, 2016: Optics Express
https://www.readbyqxmd.com/read/27464124/group-delay-dispersion-measurements-in-the-mid-infrared-spectral-range-of-2-20-%C3%A2%C2%B5m
#15
Florian Habel, Michael Trubetskov, Vladimir Pervak
We present two measurement devices which both allow the direct measurement of the group delay (GD) and group delay dispersion (GDD) of laser optics, covering the near- and mid-infrared (MIR) spectral range from 2 to 20 µm (500-5,000 cm<sup>-1</sup>). Two different kinds of devices were developed to measure the GDD of multilayer interference coatings. One is a resonant scanning interferometer (RSI) and the other is a white light interferometer (WLI). The WLI is also capable of measuring the GDD in transmission, for instance of bulk material...
July 25, 2016: Optics Express
https://www.readbyqxmd.com/read/27376179/gnathodiaphyseal-dysplasia-surgical-treatment-and-prosthetic-rehabilitation-of-2-members-of-the-same-family
#16
Alberto Merlini, Joseph Garibaldi, Luca Giorgis, Paolo Balbi
Gnathodiaphyseal dysplasia (GDD) is a rare hereditary syndrome characterized by cemento-ossifying fibromas of the maxillary bones, fragile bones, curvature and cortical thinning of the tubular bones, and diaphyseal sclerosis of the long bones. In this study, 2 complex clinical cases of 2 members of the same family had GDD and were treated in the authors' odonto-stomatology department. The first was treated with a block bone graft and implant-prosthetic therapy; the other, who had extensive osteomyelitis of the second quadrant, was managed with extraction of the involved teeth, surgical revision of the site, and a graft of autologous platelet concentrate...
December 2016: Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/27291820/application-of-chromosomal-microarrays-in-the-evaluation-of-intellectual-disability-global-developmental-delay-patients-a-study-from-a-tertiary-care-genetic-centre-in-india
#17
Pankaj Sharma, Neerja Gupta, Madhumita Roy Chowdhury, Savita Sapra, Manju Ghosh, Sheffali Gulati, Madhulika Kabra
Intellectual disability (ID)/Global developmental delay (GDD) is a diverse group of disorders in terms of cognitive and non-cognitive functions and can occur with or without associated co-morbidities. It affects 1-3% of individuals globally and in at least 30-50% of cases the etiology remains unexplained. The widespread use of chromosomal microarray analysis (CMA) in a clinical setting has allowed the identification of submicroscopic copy number variations (CNVs), throughout the genome, associated with neurodevelopmental phenotypes including ID/GDD...
September 15, 2016: Gene
https://www.readbyqxmd.com/read/27273847/model-biases-in-rice-phenology-under-warmer-climates
#18
Tianyi Zhang, Tao Li, Xiaoguang Yang, Elisabeth Simelton
Climate-induced crop yields model projections are constrained by the accuracy of the phenology simulation in crop models. Here, we use phenology observations from 775 trials with 19 rice cultivars in 5 Asian countries to compare the performance of four rice phenology models (growing-degree-day (GDD), exponential, beta and bilinear models) when applied to warmer climates. For a given cultivar, the difference in growing season temperature (GST) varied between 2.2 and 8.2 °C in different trials, which allowed us to calibrate the models for lower GST and validate under higher GST, with three calibration experiments...
2016: Scientific Reports
https://www.readbyqxmd.com/read/27221968/variability-of-growing-degree-days-in-poland-in-response-to-ongoing-climate-changes-in-europe
#19
Agnieszka Wypych, Agnieszka Sulikowska, Zbigniew Ustrnul, Danuta Czekierda
An observed increase in air temperature can lead to significant changes in the phenology of plants and, consequently, changes in agricultural production. The aim of the study was to evaluate the spatial differentiation of thermal resources in Poland and their variability during a period of changing thermal conditions in Europe. Since the variability of thermal conditions is of paramount importance for perennial crops, the study focused on apple, plum, and cherry orchard regions in Poland. The analysis was conducted for the period of 1951-2010 using air temperature daily data...
May 24, 2016: International Journal of Biometeorology
https://www.readbyqxmd.com/read/27216912/whole-exome-sequencing-links-dental-tumor-to-an-autosomal-dominant-mutation-in-ano5-gene-associated-with-gnathodiaphyseal-dysplasia-and-muscle-dystrophies
#20
T V Andreeva, T V Tyazhelova, V N Rykalina, F E Gusev, A Yu Goltsov, O I Zolotareva, M P Aliseichik, T A Borodina, A P Grigorenko, D A Reshetov, E K Ginter, S S Amelina, R A Zinchenko, E I Rogaev
Tumors of the jaws may represent different human disorders and frequently associate with pathologic bone fractures. In this report, we analyzed two affected siblings from a family of Russian origin, with a history of dental tumors of the jaws, in correspondence to original clinical diagnosis of cementoma consistent with gigantiform cementoma (GC, OMIM: 137575). Whole exome sequencing revealed the heterozygous missense mutation c.1067G > A (p.Cys356Tyr) in ANO5 gene in these patients. To date, autosomal-dominant mutations have been described in the ANO5 gene for gnathodiaphyseal dysplasia (GDD, OMIM: 166260), and multiple recessive mutations have been described in the gene for muscle dystrophies (OMIM: 613319, 611307); the same amino acid (Cys) at the position 356 is mutated in GDD...
2016: Scientific Reports
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