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https://www.readbyqxmd.com/read/28524146/-combination-therapy-of-refractory-localized-granulomatosis-with-polyangiitis-and-orbital-involvement
#1
Y O Grusha, D S Ismailova, P I Novikov, E A Kogan, Yu V Abramova, N M Bulanov, L V Sherstneva
Granulomatous orbital cellulitis is one of the most common ocular manifestations of granulomatosis with polyangiitis (Wegener's). The process is often refractory to conventional immunosuppressive therapy and requires a more radical treatment approach. However, surgical experience with this type of patients is limited. There have been just a few reported cases of orbital decompression in such patients and many authors have doubted the appropriateness of the procedure, since it is associated with a high risk of potentially fatal complications...
2017: Vestnik Oftalmologii
https://www.readbyqxmd.com/read/28509598/elevated-dopamine-d1-receptor-availability-in-striatum-of-g%C3%A3-ttingen-minipigs-after-electroconvulsive-therapy
#2
Anne M Landau, Aage Ko Alstrup, Helene Audrain, Steen Jakobsen, Mette Simonsen, Arne Møller, Poul Videbech, Gregers Wegener, Albert Gjedde, Doris J Doudet
Electroconvulsive therapy (ECT), a direct form of brain stimulation, is an effective antidepressant. We hypothesized that the beneficial effects of ECT are mediated by increased dopaminergic neurotransmission, in which the baseline activity of D1 receptors may predict the response to ECT. We established a novel model of brain stimulation in Göttingen minipigs based on the protocol of ECT applied in humans. With positron emission tomography (PET), we determined a measure of dopaminergic neurotransmission with the dopamine D1 receptor antagonist [(11)C]SCH23390...
January 1, 2017: Journal of Cerebral Blood Flow and Metabolism
https://www.readbyqxmd.com/read/28505997/characteristics-of-individuals-seeking-activity-based-restorative-therapy-following-spinal-cord-injury-a-focus-on-hope
#3
Cara E Felter, Jacob A Bentley, Cristina L Sadowsky, Stephen T Wegener
BACKGROUND: There is a lack of evidence regarding the psychosocial characteristics of individuals with spinal cord injury (SCI) undergoing activity-based restorative therapy (ABRT) treatment. OBJECTIVES: This study seeks to describe the hopefulness of a sample of ABRT participants and describe the relationship between hopefulness and level of rehabilitation engagement. METHODS: A prospective cross-sectional cohort study was conducted using a convenience sample of 73 individuals with SCI (mean time since injury = 66...
May 11, 2017: NeuroRehabilitation
https://www.readbyqxmd.com/read/28504733/uncloaking-diffusive-light-invisibility-cloaks-by-speckle-analysis
#4
Andreas Niemeyer, Frederik Mayer, Andreas Naber, Milan Koirala, Alexey Yamilov, Martin Wegener
Within the range of validity of the stationary diffusion equation, an ideal diffusive-light invisibility cloak can make an arbitrary macroscopic object hidden inside of the cloak indistinguishable from the surroundings for all colors, polarizations, and directions of incident visible light. However, the diffusion equation for light is an approximation which becomes exact only in the limit of small coherence length. Thus, one expects that the cloak can be revealed by illumination with coherent light. The experiments presented here show that the cloaks are robust in the limit of large coherence length but can be revealed by analysis of the speckle patterns under illumination with partially coherent light...
May 15, 2017: Optics Letters
https://www.readbyqxmd.com/read/28499821/x-ray-crystal-structure-of-rivoglitazone-bound-to-ppar%C3%AE-and-ppar-subtype-selectivity-of-tzds
#5
Harinda Rajapaksha, Harpreet Bhatia, Kate Wegener, Nikolai Petrovsky, John B Bruning
Thiazolidinedione (TZD) compounds targeting the nuclear receptor peroxisome proliferator-activated receptor gamma (PPAR) demonstrate unique benefits for the treatment of insulin resistance and type II diabetes. TZDs include rosiglitazone, pioglitazone and rivoglitazone, with the latter being the most potent. The TZDs are only marginally selective for the therapeutic target PPARγ as they also activate PPARα and PPARδ homologues to varying degrees, causing off-target effects. While crystal structures for TZD compounds in complex with PPARγ are available, minimal structural information is available for TZDs bound to PPARα and PPARδ...
May 9, 2017: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/28495524/granulomatosis-with-polyangiitis-wegener-granulomatosis-a-proteinase-3-driven-disease
#6
Véronique Witko-Sarsat, Nathalie Thieblemont
Granulomatosis with polyangiitis (GPA, Wegener granulomatosis) is a systemic autoimmune vasculitis that affects small arteries, arterioles, and capillaries, most notably in the kidneys and lungs. In this disease, proteinase 3 (PR3), produced by neutrophils, is targeted by antineutrophil cytoplasmic antibodies (ANCA). Recent work by our group has shown how PR3 impairs the resolution of inflammation and deregulates the immune system. Normally, the clearance of activated neutrophils triggers an anti-inflammatory, pro-resolution process...
May 8, 2017: Joint, Bone, Spine: Revue du Rhumatisme
https://www.readbyqxmd.com/read/28490097/influence-of-l-pyroglutamic-acid-on-the-color-formation-process-of-non-enzymatic-browning-reactions
#7
Steffen Wegener, Martin Kaufmann, Lothar W Kroh
Heating aqueous d-glucose model reactions with l-glutamine and l-alanine yielded similar colored solutions. However, size-exclusion chromatography (SEC) revealed that both non-enzymatic browning reactions proceeded differently. Due to a fast occurring cyclization of l-glutamine to pyroglutamic acid, the typical amino-carbonyl reaction was slowed down. However, l-glutamine and l-alanine model reactions showed the same browning index. Closer investigations could prove that l-pyroglutamic acid was able to influence non-enzymatic browning reactions...
October 1, 2017: Food Chemistry
https://www.readbyqxmd.com/read/28488028/overall-survival-and-response-pattern-of-castration-resistant-metastatic-prostate-cancer-to-multiple-cycles-of-radioligand-therapy-using-177-lu-lu-psma-617
#8
Hojjat Ahmadzadehfar, Simone Wegen, Anna Yordanova, Rolf Fimmers, Stefan Kürpig, Elisabeth Eppard, Xiao Wei, Carl Schlenkhoff, Stefan Hauser, Markus Essler
PURPOSE: Up to 30% of patients with castration-resistant prostate cancer (CRPC) do not show any response to the first cycle of radioligand therapy (RLT) with [(177)Lu]Lu-PSMA-617 (Lu-PSMA). We evaluated patient response to the second and third cycles of RLT in patients that underwent at least three cycles. The second aim of this study was to calculate the median overall survival (OS) of responders and non-responders after the first cycle and after all three cycles of RLT. METHODS: CRPC patients were treated with Lu-PSMA, with a median interval of 8 weeks between each cycle...
May 9, 2017: European Journal of Nuclear Medicine and Molecular Imaging
https://www.readbyqxmd.com/read/28485932/dehydrogenative-transformations-of-imines-using-a-heterogeneous-photocatalyst
#9
Colby M Adolph, Jacob Werth, Ramajeyam Selvaraj, Evan C Wegener, Christopher Uyeda
Heterogeneous semiconductors are underexploited as photoredox catalysts in organic synthesis relative to their homogeneous, molecular counterparts. Here, we report the use of metal/TiO2 particles as catalysts for light-induced dehydrogenative imine transformations. The highly oxophilic nature of the TiO2 surface promotes the selective binding and dehydrogenation of alcohols in the presence of other oxidizable and Lewis basic functional groups. This feature enables the clean photogeneration of aldehyde equivalents that can be utilized in multicomponent couplings...
May 15, 2017: Journal of Organic Chemistry
https://www.readbyqxmd.com/read/28476172/anca-associated-vasculitis-in-childhood-recent-advances
#10
REVIEW
Marta Calatroni, Elena Oliva, Davide Gianfreda, Gina Gregorini, Marco Allinovi, Giuseppe A Ramirez, Enrica P Bozzolo, Sara Monti, Claudia Bracaglia, Giulia Marucci, Monica Bodria, Renato A Sinico, Federico Pieruzzi, Gabriella Moroni, Serena Pastore, Giacomo Emmi, Pasquale Esposito, Mariagrazia Catanoso, Giancarlo Barbano, Alice Bonanni, Augusto Vaglio
Anti-neutrophil cytoplasmic antibody (ANCA)-associated vasculitides are rare systemic diseases that usually occur in adulthood. They comprise granulomatosis with polyangiitis (GPA, Wegener's), microscopic polyangiitis (MPA) and eosinophilic granulomatosis with polyangiitis (EGPA, Churg-Strauss syndrome). Their clinical presentation is often heterogeneous, with frequent involvement of the respiratory tract, the kidney, the skin and the joints. ANCA-associated vasculitis is rare in childhood but North-American and European cohort studies performed during the last decade have clarified their phenotype, patterns of renal involvement and their prognostic implications, and outcome...
May 5, 2017: Italian Journal of Pediatrics
https://www.readbyqxmd.com/read/28470656/-laser-iridotomy-in-cases-of-acute-angle-closure-only
#11
Daniel M Handzel, Carsten H Meyer, Alfred Wegener
The narrowing of the chamber angle-as a result of anatomic predispositions like high hyperopia or increasing lens thickness-poses the greatest risk for acute angle closure. A laser iridotomy counts as a standard procedure in cases of acute angle closure, whereas there are no coherent recommendations or guidelines for a prophylactic therapy. Modern imaging techniques, such as anterior segment optical coherence tomography or Scheimpflug photography, can give valuable information for the planning of treatment...
May 3, 2017: Klinische Monatsblätter Für Augenheilkunde
https://www.readbyqxmd.com/read/28468346/simultaneous-wavelength-and-orbital-angular-momentum-demultiplexing-using-tunable-mems-based-fabry-perot-filter
#12
Vladimir S Lyubopytov, Alexey P Porfirev, Stanislav O Gurbatov, Sujoy Paul, Martin F Schumann, Julijan Cesar, Mohammadreza Malekizandi, Mohammad T Haidar, Martin Wegener, Arkadi Chipouline, Franko Küppers
In this paper, we experimentally demonstrate simultaneous wavelength and orbital angular momentum (OAM) multiplexing/demultiplexing of 10 Gbit/s data streams using a new on-chip micro-component-tunable MEMS-based Fabry-Perot filter integrated with a spiral phase plate. In the experiment, two wavelengths, each of them carrying two channels with zero and nonzero OAMs, form four independent information channels. In case of spacing between wavelength channels of 0.8 nm and intensity modulation, power penalties relative to the transmission of one channel do not exceed 1...
May 1, 2017: Optics Express
https://www.readbyqxmd.com/read/28461961/low-dose-dexamethasone-during-arthroplasty-what-do-we-know-about-the-risks
#13
Jessica T Wegener, Tim Kraal, Markus F Stevens, Markus W Hollmann, Gino M M J Kerkhoffs, Daniël Haverkamp
Dexamethasone is commonly applied during arthroplasty to control post-operative nausea and vomiting (PONV). However, conflicting views of orthopaedic surgeons and anaesthesiologists regarding the use of dexamethasone raise questions about risks of impaired wound healing and surgical site infections (SSI).The aim of this systematic review is to determine the level of evidence for the safety of a peri-operative single low dose of dexamethasone in hip and knee arthroplasty.We systematically reviewed literature in PubMed, EMBASE and Cochrane databases and cited references in articles found in the initial search from 1980 to 2013 based on predefined inclusion criteria...
August 2016: EFORT Open Rev
https://www.readbyqxmd.com/read/28455828/prevalence-of-hearing-impairment-in-patients-with-rheumatoid-arthritis-granulomatosis-with-polyangiitis-gpa-wegener-s-granulomatosis-or-systemic-lupus-erythematosus
#14
Torsten Rahne, Franziska Clauß, Stefan K Plontke, Gernot Keyßer
Hearing loss in patients with autoimmune diseases, such as systemic lupus erythematosus (SLE), granulomatosis with polyangiitis (GPA, Wegener's granulomatosis), or rheumatoid arthritis (RA), is controversial. Many studies lack measurements of bone-conduction thresholds to sufficiently differentiate between sensorineural hearing loss and conductive hearing loss. In addition, many studies lack control groups or comparisons to an age-related normal hearing threshold. This study investigates hearing performance with an extended audiological battery using psychoacoustic and objective measures...
April 28, 2017: Clinical Rheumatology
https://www.readbyqxmd.com/read/28450222/probiotic-treatment-protects-against-the-pro-depressant-like-effect-of-high-fat-diet-in-flinders-sensitive-line-rats
#15
Anders Abildgaard, Betina Elfving, Marianne Hokland, Sten Lund, Gregers Wegener
Major depressive disorder (MDD) is highly associated with dysmetabolic conditions, such as obesity and diabetes mellitus type 2, and the gut microbiota may interact with both disease entities. We have previously shown that a high-fat diet (HFD) exacerbated depressive-like behaviour uniquely in Flinders Sensitive Line (FSL) rats that inherently present with an increased level of depressive-like behaviour compared with Flinders Resistant Line (FRL) rats. We therefore investigated whether multispecies probiotics possessed anti-depressant-like effect in FSL rats or protected against the pro-depressant-like effect of HFD...
April 24, 2017: Brain, Behavior, and Immunity
https://www.readbyqxmd.com/read/28443708/alterung-des-gehirns-charakterisierung-mittels-mrt
#16
Susanne Wegener
No abstract text is available yet for this article.
April 2017: Praxis
https://www.readbyqxmd.com/read/28440995/-the-first-clinical-description-of-granulomatosis-with-polyangiitis-known-before-as-wegener-s-granulomatosis
#17
Ulises Mercado
Before 1950, cases of necrotizing vasculitis were commonly published in journals of pathology. Most of these cases were designated as polyarteritis nodosa. In 1952, the pathologist Pearl Zeek critically reviewed and summarized the literature dealing with polyarteritis nodosa and first grouped the different types of necrotizing vasculitis. But she omitted some types of not well-characterized vasculitis, among them granulomatosis with polyangiitis (Wegener's granulomatosis).
May 2017: Revista Médica del Instituto Mexicano del Seguro Social
https://www.readbyqxmd.com/read/28433868/effects-of-attentional-focus-on-walking-stability-in-elderly
#18
Jonathan L A de Melker Worms, John F Stins, Erwin E H van Wegen, Sabine M P Verschueren, Peter J Beek, Ian D Loram
INTRODUCTION: Balance performance in the elderly is related to psychological factors such as attentional focus. We investigated the effects of internal vs. external focus of attention and fall history on walking stability in healthy older adults. METHOD: Walking stability of twenty-eight healthy older adults was assessed by applying random unilateral decelerations on a split-belt treadmill and analysing the resulting balance recovery movements. The internal focus instruction was: concentrate on the movement of your legs, whereas the external focus instruction was: concentrate on the movement of the treadmill...
April 4, 2017: Gait & Posture
https://www.readbyqxmd.com/read/28430718/trauma-collaborative-care-intervention-effect-on-surgeon-confidence-in-managing-psychosocial-complications-following-orthopaedic-trauma
#19
Stephen Wegener, Eben Carroll, Joshua Gary, Todd McKinley, Robert O'Toole, Debra Sietsema, Renan Castillo, Katherine Frey, Daniel Scharfstein, Yanjie Huang, Susan Collins, Ellen MacKenzie
OBJECTIVES: The impact of the Trauma Collaborative Care (TCC) program on surgeon confidence in managing the psychosocial sequelae of orthopaedic trauma was evaluated as part of a larger prospective, multisite, cluster clinical trial. We compared confidence and perceived resource availability among surgeons practicing in trauma centers that implemented the TCC program with orthopaedic trauma surgeons in similar trauma centers that did not implement the TCC. DESIGN: Prospective cohort design SETTING:: Level 1 Trauma Centers PARTICIPANTS:: Attending surgeons and Fellows...
April 18, 2017: Journal of Orthopaedic Trauma
https://www.readbyqxmd.com/read/28429377/olfactory-training-with-older-people
#20
Wegener Birte-Antina, Croy Ilona, Hähner Antje, Hummel Thomas
No abstract text is available yet for this article.
April 21, 2017: International Journal of Geriatric Psychiatry
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