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https://www.readbyqxmd.com/read/28315514/optic-nerve-head-in-central-retinal-vein-occlusion-by-spectral-domain-oct
#1
Antonio Longo, Teresio Avitabile, Maurizio G Uva, Vincenza Bonfiglio, Andrea Russo, Mario D Toro, Caterina Gagliano, Matteo Fallico, Michele Reibaldi
PURPOSE: To evaluate the morphology of optic nerve head by spectral-domain optical coherence tomography (SD-OCT) in patients with unilateral central retinal vein occlusion (CRVO). METHODS: In 39 consecutive patients with unilateral CRVO and 39 healthy controls, morphologic parameters of optic nerve head were assessed in both eyes by Spectralis SD-OCT using a custom radial B-scan pattern. The length of Bruch membrane opening (BMO) was measured in OCT scans, and optic disc diameters (DD) were assessed in infrared fundus photographs...
February 28, 2017: European Journal of Ophthalmology
https://www.readbyqxmd.com/read/28275526/quantifying-variability-in-longitudinal-peripapillary-rnfl-and-choroidal-layer-thickness-using-surface-based-registration-of-oct-images
#2
Sieun Lee, Morgan Heisler, Paul J Mackenzie, Marinko V Sarunic, Mirza Faisal Beg
PURPOSE: To assess within-subject variability of retinal nerve fiber layer (RNFL) and choroidal layer thickness in longitudinal repeat optical coherence tomography (OCT) images with point-to-point measurement comparison made using nonrigid surface registration. METHODS: Nine repeat peripapillary OCT images were acquired over 3 weeks from 12 eyes of 6 young, healthy subjects using a 1060-nm prototype swept-source device. The RNFL, choroid and the Bruch's membrane opening (BMO) were segmented, and point-wise layer thicknesses and BMO dimensions were measured...
February 2017: Translational Vision Science & Technology
https://www.readbyqxmd.com/read/28242067/denosumab-is-effective-in-the-treatment-of-bone-marrow-oedema-syndrome
#3
Tim Rolvien, Tobias Schmidt, Sebastian Butscheidt, Michael Amling, Florian Barvencik
Bone marrow oedema (BMO) syndrome describes a painful condition with increase of interstitial fluid within bone and is often lately diagnosed due to unspecific symptoms. The underlying causes are diverse while it is widely assumed that in cases of BMO local bone resorption is increased. Denosumab, a human monoclonal antibody that binds to the receptor activator of nuclear factor kappa-B ligand (RANKL) inhibits osteoclastic bone resorption and is commonly administered in the treatment of osteoporosis. Besides one previous case report, its clinical effectiveness in the treatment of bone marrow oedema has not been elucidated...
February 22, 2017: Injury
https://www.readbyqxmd.com/read/28131576/bovine-milk-oligosaccharides-decrease-gut-permeability-and-improve-inflammation-and-microbial-dysbiosis-in-diet-induced-obese-mice
#4
Gaëlle Boudry, M Kristina Hamilton, Maciej Chichlowski, Saumya Wickramasinghe, Daniela Barile, Karen M Kalanetra, David A Mills, Helen E Raybould
Obesity is characterized by altered gut homeostasis, including dysbiosis and increased gut permeability closely linked to the development of metabolic disorders. Milk oligosaccharides are complex sugars that selectively enhance the growth of specific beneficial bacteria in the gastrointestinal tract and could be used as prebiotics. The aim of the study was to demonstrate the effects of bovine milk oligosaccharides (BMO) and Bifidobacterium longum ssp. infantis (B. infantis) on restoring diet-induced obesity intestinal microbiota and barrier function defects in mice...
January 25, 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/28125360/monitoring-total-body-inflammation-and-damage-in-joints-and-entheses-the-first-follow-up-study-of-whole-body-magnetic-resonance-imaging-in-rheumatoid-arthritis
#5
M B Axelsen, I Eshed, M Østergaard, M L Hetland, J M Møller, D V Jensen, S B Krintel, M S Hansen, L Terslev, M Klarlund, R P Poggenborg, L Balding, S J Pedersen
OBJECTIVE: To investigate changes in whole-body magnetic resonance imaging (WBMRI) inflammatory and structural lesions in most joints and entheses in patients with rheumatoid arthritis (RA) treated with adalimumab. METHODS: WBMRI was obtained at weeks 0, 6, 16, and 52 in a 52 week follow-up study of 37 RA patients starting treatment with adalimumab. Readability and reliability of WBMRI were investigated for 76 peripheral joints, 23 discovertebral units, the sacroiliac joints, and 33 entheses...
January 26, 2017: Scandinavian Journal of Rheumatology
https://www.readbyqxmd.com/read/27951592/novel-bruch-s-membrane-opening-minimum-rim-area-equalizes-disc-size-dependency-and-offers-high-diagnostic-power-for-glaucoma
#6
Philip Enders, Werner Adler, Friederike Schaub, Manuel M Hermann, Thomas Dietlein, Claus Cursiefen, Ludwig M Heindl
Purpose: The purpose of this study was to assess the diagnostic power of the novel two-dimensional parameter Bruch's membrane opening minimal rim area (BMO-MRA) in spectral-domain optical coherence tomography (SD-OCT) for detection of glaucoma compared to minimal rim width (BMO-MRW) and retinal nerve fiber layer (RNFL) thickness in large and small optic discs. Methods: In this case-control, cross-sectional study, 207 eyes of 207 participants, including 89 controls and 97 patients with glaucoma and 21 with ocular hypertension (OHT), with a disc size <1...
December 1, 2016: Investigative Ophthalmology & Visual Science
https://www.readbyqxmd.com/read/27942258/measuring-mean-cup-depth-in-the-optic-nerve-head
#7
John K Johnstone, Lindsay Rhodes, Massimo Fazio, Brandon Smith, Lan Wang, J Crawford Downs, Cynthia Owsley, Christopher A Girkin
Since the deformation of structures in the optic nerve head (ONH) is associated with glaucoma and other diseases of the optic nerve, measurement of this deformation is of current research interest. This paper considers the computation of cup depth, a measurement of the depth of the internal limiting membrane (ILM). The computation of cup depth requires a reference structure against which to measure the ILM, and the construction of two reference structures is discussed, one based on Bruch's membrane opening (BMO) and the other based on the anterior surface of the peripapillary sclera (AS)...
2016: Computer-aided Design and Applications
https://www.readbyqxmd.com/read/27825982/comparison-of-bruch-s-membrane-opening-minimum-rim-width-among-those-with-normal-ocular-health-by-race
#8
Lindsay A Rhodes, Carrie E Huisingh, Adam E Quinn, Gerald McGwin, Frank LaRussa, Daniel Box, Cynthia Owsley, Christopher A Girkin
PURPOSE: To examine if racial differences in Bruch's membrane opening minimum rim width (BMO-MRW) in spectral-domain optical coherence tomography (SDOCT) exist, specifically between people of African descent (AD) and European descent (ED) in normal ocular health. DESIGN: Cross-sectional study. METHODS: Patients presenting for a comprehensive eye examination at retail-based primary eye clinics were enrolled based on ≥1 of the following at-risk criteria for glaucoma: AD aged ≥40 years, ED aged ≥50 years, diabetes, family history of glaucoma, and/or pre-existing diagnosis of glaucoma...
February 2017: American Journal of Ophthalmology
https://www.readbyqxmd.com/read/27814326/consistency-of-bruch-membrane-opening-detection-as-determined-by-optical-coherence-tomography
#9
Young Hoon Hwang, Min K Kim, Sang I Ahn
PURPOSE: To investigate the consistency of Bruch membrane opening (BMO) detection as determined by Cirrus high-definition optical coherence tomography (OCT). MATERIALS AND METHODS: This study enrolled 106 healthy eyes and 194 glaucomatous eyes who underwent OCT examinations. The location of BMO was evaluated by inspecting 72 cross-sectional optic nerve head (ONH) images (5 degrees intervals for 360 degrees) per eye in which BMO location is automatically detected by the OCT algorithm...
November 2016: Journal of Glaucoma
https://www.readbyqxmd.com/read/27806111/genome-wide-analysis-of-differentially-expressed-microrna-in-bombyx-mori-infected-with-nucleopolyhedrosis-virus
#10
Ping Wu, Xiaoxu Jiang, Xijie Guo, Long Li, Tao Chen
Bombyx mori nucleopolyhedrosis virus (BmNPV) is a major pathogen that threatens the growth and sustainability of the sericulture industry. Since microRNAs (miRNAs) have been shown to play important roles in host-pathogen interactions, in this study we investigated the effects of BmNPV infection on silkworm microRNAs expression profile. To achieve this, we constructed and deep-sequenced two small RNA libraries generated from BmNPV infected and un-infected larvae. The results revealed that 38 silkworm miRNAs were differentially expressed after BmNPV infection...
2016: PloS One
https://www.readbyqxmd.com/read/27796669/vertical-asymmetry-of-lamina-cribrosa-tilt-angles-using-wide-bandwidth-femtosecond-mode-locked-laser-oct-effect-of-myopia-and-glaucoma
#11
Takuhei Shoji, Hiroto Kuroda, Masayuki Suzuki, Hisashi Ibuki, Makoto Araie, Shin Yoneya
PURPOSE: Morphological features of the lamina cribrosa (LC) and optic disc may be important in the pathogenesis of glaucoma and myopic neuropathy. We therefore performed a cross-sectional study of patients with glaucoma and myopic neuropathy to evaluate vertical asymmetry of LC tilt angles (LCTAs) from Bruch's membrane opening (BMO). MATERIAL AND METHODS: Forty-six control eyes and 35 primary open-angle glaucoma (POAG) eyes were included. A raster scanning protocol with 300 single B-scans (without averaging) were obtained using optical coherence tomography with a wide-bandwidth, femtosecond mode-locked (ML) laser...
January 2017: Graefe's Archive for Clinical and Experimental Ophthalmology
https://www.readbyqxmd.com/read/27784074/optic-nerve-head-biomechanic-and-iop-changes-before-and-after-the-injection-of-aflibercept-for-neovascular-age-related-macular-degeneration
#12
Gema Rebolleda, Beatriz Puerto, Victoria de Juan, Marta Gómez-Mariscal, Francisco José Muñoz-Negrete, Alfonso Casado
Purpose: We investigated the early effects of intravitreal aflibercept injection (IAI) on optic nerve head (ONH) morphology. Methods: All of the participants underwent applanation tonometry and enhanced depth imaging by spectral-domain optical coherence tomography immediately before injection, and within 5 and 30 minutes after IAI. Changes in the anterior lamina cribrosa surface depth, prelaminar tissue thickness (PTT), optic cup width, optic cup depth, and Bruch's membrane opening (BMO) were assessed...
October 1, 2016: Investigative Ophthalmology & Visual Science
https://www.readbyqxmd.com/read/27763802/a-randomized-double-blind-placebo-controlled-trial-of-schisandra-chinensis-for-menopausal-symptoms
#13
RANDOMIZED CONTROLLED TRIAL
J Y Park, K H Kim
OBJECTIVES: The purpose of this clinical trial was to evaluate the effectiveness of a natural extract from Schisandra chinensis for relief of various menopausal symptoms. METHODS: A randomized, double-blind, placebo-controlled clinical trial was conducted from January 1, 2014 until January 13, 2015. We recruited women between the ages of 40 and 70 years who complained of menopausal symptoms measured by the Kupperman Index (KI). Patients were randomly assigned to treatment with either an extract from Schisandra chinensis (BMO-30) or placebo...
December 2016: Climacteric: the Journal of the International Menopause Society
https://www.readbyqxmd.com/read/27713728/cell-free-spent-media-obtained-from-bifidobacterium-bifidum-and-bifidobacterium-crudilactis-grown-in-media-supplemented-with-3-sialyllactose-modulate-virulence-gene-expression-in-escherichia-coli-o157-h7-and-salmonella-typhimurium
#14
Pauline Bondue, Sébastien Crèvecoeur, François Brose, Georges Daube, Marie-Christine Seghaye, Mansel W Griffiths, Gisèle LaPointe, Véronique Delcenserie
Complex oligosaccharides from human milk (HMO) possess an antimicrobial activity and can promote the growth of bifidobacteria such as Bifidobacterium bifidum and Bifidobacterium longum subsp. infantis. In addition, fermentation of carbohydrates by bifidobacteria can result in the production of metabolites presenting an antivirulence effect on several pathogenic bacteria. Whey is rich in complex bovine milk oligosaccharides (BMO) structurally similar to HMO and B. crudilactis, a species of bovine origin, is able to metabolize some of those complex carbohydrates...
2016: Frontiers in Microbiology
https://www.readbyqxmd.com/read/27661851/gaze-evoked-deformations-of-the-peripapillary-retina-in-papilledema-and-ischemic-optic-neuropathy
#15
Patrick A Sibony
Purpose: To examine the effects of horizontal eye movements on the shape of the peripapillary basement membrane layer (ppBM layer) in patients with papilledema, anterior ischemic optic neuropathy (AION) and normal eyes. Methods: Spectral-domain optical coherence tomography (SD-OCT) axial rasters of the optic nerve were used to analyze the shape of the ppBM layer. We compared registered images in two eye positions: 10° to 15° of adduction and 30° to 40° of abduction from 80 patients (45 with papilledema, 15 with AION, and 20 normal eyes)...
September 1, 2016: Investigative Ophthalmology & Visual Science
https://www.readbyqxmd.com/read/27636592/bruch-s-membrane-opening-minimum-rim-width-assessment-with-spectral-domain-optical-coherence-tomography-performs-better-than-confocal-scanning-laser-ophthalmoscopy-in-discriminating-early-glaucoma-patients-from-control-subjects
#16
Anani P Toshev, Julia Lamparter, Norbert Pfeiffer, Esther M Hoffmann
PURPOSE: To compare the diagnostic performance and evaluate diagnostic agreement for early glaucoma detection between a confocal scanning laser ophthalmoscope (CSLO) and a spectral-domain optical coherence tomography (SD-OCT). PATIENTS AND METHODS: Fifty-five eyes of 55 open-angle glaucoma patients and 42 eyes of 42 healthy control subjects were enrolled in this observational, cross-sectional study. All participants underwent comprehensive ophthalmic examination, visual field testing, and optic nerve head and retinal nerve fiber layer imaging by CSLO (HRT3) and SD-OCT (Spectralis OCT)...
January 2017: Journal of Glaucoma
https://www.readbyqxmd.com/read/27620817/differential-expression-of-micrornas-of-litopenaeus-vannamei-in-response-to-different-virulence-wssv-infection
#17
Xinying Sun, Qing-Hui Liu, Bing Yang, Jie Huang
WSSV is one of the most harmful pathogeny in the pacific white shrimp, and genetic variations caused the strains of different virulence. MicroRNAs (miRNAs) involved in the regulation of virus defense. To understand the different virulence of WSSV on miRNA expression in Litopeneaus vannamei, the deep sequencing was performed to compare two small RNA libraries prepared from hepatopancreas of Litopeneaus vannamei infected with normal-virulence or low-virulence WSSV. Approximately 29,398,623 raw reads from normal-virulence library and 35,291,803 raw reads from low-virulence library were obtained...
November 2016: Fish & Shellfish Immunology
https://www.readbyqxmd.com/read/27583829/peripapillary-pachychoroid-in-nonarteritic-anterior-ischemic-optic-neuropathy
#18
Lina Nagia, Carrie Huisingh, John Johnstone, Lanning B Kline, Mark Clark, Michael J A Girard, Jean Martial Mari, Christopher A Girkin
PURPOSE: This study examined the peripapillary choroidal thickness (PCT) in nonarteritic ischemic optic neuropathy (NAION) in comparison to contralateral eyes and normal eyes. METHODS: We used enhanced depth imaging spectral-domain optical coherence tomography to image the optic nerve head of 20 NAION, 10 contralateral eyes, and 102 normal eyes. Following compensation, the scans were manually delineated to identify relevant surfaces including Bruch's membrane opening (BMO), Bruch's membrane, and anterior sclera...
September 1, 2016: Investigative Ophthalmology & Visual Science
https://www.readbyqxmd.com/read/27564522/experimental-glaucoma-causes-optic-nerve-head-neural-rim-tissue-compression-a-potentially-important-mechanism-of-axon-injury
#19
Brad Fortune, Juan Reynaud, Christy Hardin, Lin Wang, Ian A Sigal, Claude F Burgoyne
PURPOSE: We tested the hypothesis that experimental glaucoma (EG) results in greater thinning of the optic nerve head (ONH) neural rim tissue than the peripapillary retinal nerve fiber layer (RNFL) tissue. METHODS: Longitudinal spectral-domain optical coherence tomography (SDOCT) imaging of the ONH and peripapillary RNFL was performed every other week under manometric IOP control (10 mm Hg) in 51 nonhuman primates (NHP) during baseline and after induction of unilateral EG...
August 1, 2016: Investigative Ophthalmology & Visual Science
https://www.readbyqxmd.com/read/27548890/glaucoma-diagnostic-ability-of-the-new-circumpapillary-retinal-nerve-fiber-layer-thickness-analysis-based-on-bruch-s-membrane-opening
#20
Eun Ji Lee, Kyoung Min Lee, Hyunjoong Kim, Tae-Woo Kim
PURPOSE: To compare the diagnostic ability of the new spectral-domain optical coherence tomography (SD-OCT) algorithm for measuring circumpapillary retinal nerve fiber layer (RNFL) thickness centered on Bruch's membrane opening (BMO), with the conventional circumpapillary RNFL thickness measurement centered on the optic disc. METHODS: In 75 eyes with primary open-angle glaucoma (POAG) and 71 healthy control eyes, circumpapillary RNFL thickness was measured with SD-OCT, first by centering the scan circle on the optic disc (RNFLDi), and then on the BMO (RNFLBMO)...
August 1, 2016: Investigative Ophthalmology & Visual Science
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