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https://www.readbyqxmd.com/read/28195603/classification-of-exudative-age-related-macular-degeneration-with-pachyvessels-on-en-face-swept-source-optical-coherence-tomography
#1
Danny Siu-Chun Ng, Malini Bakthavatsalam, Frank Hiu-Ping Lai, Carol Yim-Lui Cheung, Gemmy Chu-Ming Cheung, Fang Yao Tang, Chi Wai Tsang, Timothy Yuk-Yau Lai, Tien Yin Wong, Mårten Erik Brelén
Purpose: The purpose of this study was to classify exudative maculopathy by the presence of pachyvessels on en face swept-source optical coherence tomography (SSOCT). Methods: Consecutive patients with signs of exudative maculopathy underwent SSOCT, fluorescein and indocyanine green angiography (ICGA), ultra-widefield fundus color photography, and autofluorescence examinations. Images were analyzed in a masked fashion by two sets of four examiners in different sessions: (1) the presence of pachyvessels in en face OCT and (2) features of exudative maculopathy in conventional imaging modalities...
February 1, 2017: Investigative Ophthalmology & Visual Science
https://www.readbyqxmd.com/read/28170093/topical-treatments-for-blepharokeratoconjunctivitis-in-children
#2
REVIEW
Michael O'Gallagher, Catey Bunce, Melanie Hingorani, Frank Larkin, Stephen Tuft, Annegret Dahlmann-Noor
BACKGROUND: Blepharokeratoconjunctivitis (BKC) is a type of inflammation of the surface of the eye and eyelids that involves changes of the eyelids, dysfunction of the meibomian glands, and inflammation of the conjunctiva and cornea. Chronic inflammation of the cornea can lead to scarring, vascularisation and opacity. BKC in children can cause significant symptoms including irritation, watering, photophobia and loss of vision from corneal opacity, refractive error or amblyopia.Treatment of BKC is directed towards modification of meibomian gland disease and the bacterial flora of lid margin and conjunctiva, and control of ocular surface inflammation...
February 7, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28169088/mapping-structural-covariance-networks-of-facial-emotion-recognition-in-early-psychosis-a-pilot-study
#3
Lisa Buchy, Mariapaola Barbato, Carolina Makowski, Signe Bray, Frank P MacMaster, Stephanie Deighton, Jean Addington
People with psychosis show deficits recognizing facial emotions and disrupted activation in the underlying neural circuitry. We evaluated associations between facial emotion recognition and cortical thickness using a correlation-based approach to map structural covariance networks across the brain. Fifteen people with an early psychosis provided magnetic resonance scans and completed the Penn Emotion Recognition and Differentiation tasks. Fifteen historical controls provided magnetic resonance scans. Cortical thickness was computed using CIVET and analyzed with linear models...
February 3, 2017: Schizophrenia Research
https://www.readbyqxmd.com/read/28168230/safety-and-efficiency-of-emergency-department-interrogation-of-cardiac-devices
#4
James F Neuenschwander, W Frank Peacock, Madgy Migeed, Sara A Hunter, John C Daughtery, Ian C McCleese, Brian C Hiestand
OBJECTIVE: Patients with implanted cardiac devices may wait extended periods for interrogation in emergency departments (EDs). Our purpose was to determine if device interrogation could be done safely and faster by ED staff. METHODS: Prospective randomized, standard therapy controlled, trial of ED staff device interrogation vs. standard process (SP), with 30-day follow-up. Eligibility criteria: ED presentation with a self-report of a potential device related complaint, with signed informed consent...
December 2016: Clinical and Experimental Emergency Medicine
https://www.readbyqxmd.com/read/28166521/rationale-and-design-of-a-clinical-trial-investigating-tolvaptan-safety-and-efficacy-in-autosomal-dominant-polycystic-kidney-disease
#5
Vicente E Torres, Olivier Devuyst, Arlene B Chapman, Ron T Gansevoort, Ronald D Perrone, John Ouyang, Jaime D Blais, Frank S Czerwiec, Olga Sergeyeva
BACKGROUND: In TEMPO 3:4, the vasopressin V2-receptor antagonist tolvaptan slowed kidney growth and function decline in autosomal dominant polycystic kidney disease (ADPKD) patients with relatively preserved kidney function. METHODS: Prospective, phase 3b, multi-center, randomized-withdrawal, placebo-controlled, double-blind trial of tolvaptan in ADPKD patients with late stage 2 to early stage 4 chronic kidney disease (CKD). The primary endpoint was estimated glomerular filtration rate (eGFR) change from pre-treatment baseline to post-treatment follow-up...
February 7, 2017: American Journal of Nephrology
https://www.readbyqxmd.com/read/28166110/high-sensitivity-cardiac-troponin-elevation-after-electroconvulsive-therapy-a-prospective-observational-cohort-study
#6
Andreas Duma, Swatilika Pal, Joshua Johnston, Mohammad A Helwani, Adithya Bhat, Bali Gill, Jessica Rosenkvist, Christopher Cartmill, Frank Brown, J Philip Miller, Mitchell G Scott, Francisco Sanchez-Conde, Michael Jarvis, Nuri B Farber, Charles F Zorumski, Charles Conway, Peter Nagele
BACKGROUND: While electroconvulsive therapy is widely regarded as a lifesaving and safe procedure, evidence regarding its effects on myocardial cell injury is sparse. The objective of this investigation was to determine the incidence and magnitude of new cardiac troponin elevation after electroconvulsive therapy using a novel high-sensitivity cardiac troponin I assay. METHODS: This was a prospective cohort study in adult patients undergoing electroconvulsive therapy in a single academic center (up to three electroconvulsive therapy treatments per patient)...
February 6, 2017: Anesthesiology
https://www.readbyqxmd.com/read/28159870/a-17-year-old-with-chest-pain
#7
Ankoor Y Shah, Megan Jamison, Hansel J Otero, Lawrence Jung, Lowell H Frank, Michael F Guerrera, A Yasmine Kirkorian
A 17-year-old male subject with a history of deep venous thrombosis presented with acute unilateral severe chest pain. His examination was nonspecific, and vital signs were normal. His initial laboratory evaluation revealed mild thrombocytopenia, elevated troponin levels, and critically elevated activated partial thromboplastin time. A computed tomography angiogram of the chest revealed a pulmonary embolus, and anticoagulation therapy was initiated. His course was complicated by the development of multiple thrombi and respiratory failure...
February 3, 2017: Pediatrics
https://www.readbyqxmd.com/read/28152574/glucocorticoids-improve-endothelial-function-in-rheumatoid-arthritis-a-study-in-rats-with-adjuvant-induced-arthritis
#8
Frank Verhoeven, Perle Totoson, Katy Maguin-Gaté, Anne Prigent-Tessier, Christine Marie, Daniel Wendling, Johnny Moretto, Clément Prati, Céline Demougeot
AIMS: To determine the effect of glucocorticoids (GCs) on endothelial dysfunction (ED) and on traditional cardiovascular (CV) risk factors in the adjuvant-induced arthritis (AIA) rat model. METHODS: At the first signs of AIA, high dose (10 mg/kg/day, i.p., GC-HD) or low dose (1 mg/kg/day, i.p., GC-LD) of prednisolone was administered for 3 weeks. Endothelial function was studied in aortic rings relaxed with acetylcholine (Ach) with or without inhibitors of NOS, COX-2, Arginase, EDHF and superoxide anions (O2(-) °) production...
February 2, 2017: Clinical and Experimental Immunology
https://www.readbyqxmd.com/read/28147208/systemic-granulomatous-and-haemorrhagic-syndrome-in-new-zealand-dairy-cattle
#9
T G Rawdon, K N Buckle, K E Lawrence, K G Thompson, A F Julian, B L Vaatstra, A C Johnstone, J F Weston, R A Fairley
CASE HISTORY: Cases were obtained through passive surveillance reporting by veterinary pathologists, via the Ministry for Primary Industries Exotic Pest and Disease Hotline. They included ill or dead cows that had evidence of frank haemorrhage, petechial haemorrhages on mucous membranes, wasting or dermatitis of unknown cause, and were reported between 2009-2014. Affected cows (n=16) were from nine seasonally calving dairy farms, aged ≥3 years, and were predominantly in their mid-to-late non-lactating period...
February 1, 2017: New Zealand Veterinary Journal
https://www.readbyqxmd.com/read/28145688/molecular-aggregate-photophysics-beyond-the-kasha-model-novel-design-principles-for-organic-materials
#10
Nicholas J Hestand, Frank C Spano
The transport and photophysical properties of organic molecular aggregates, films, and crystals continue to receive widespread attention, driven mainly by expanding commercial applications involving display and wearable technologies as well as the promise of efficient, large-area solar cells. The main blueprint for understanding how molecular packing impacts photophysical properties was drafted over five decades ago by Michael Kasha. Kasha showed that the Coulombic coupling between two molecules, as determined by the alignment of their transition dipoles, induces energetic shifts in the main absorption spectral peak and changes in the radiative decay rate when compared to uncoupled molecules...
February 1, 2017: Accounts of Chemical Research
https://www.readbyqxmd.com/read/28109563/imaging-protocols-in-clinical-studies-in-advanced-age-related-macular-degeneration-recommendations-from-classification-of-atrophy-consensus-meetings
#11
Frank G Holz, SriniVas R Sadda, Giovanni Staurenghi, Moritz Lindner, Alan C Bird, Barbara A Blodi, Ferdinando Bottoni, Usha Chakravarthy, Emily Y Chew, Karl Csaky, Christine A Curcio, Ron Danis, Monika Fleckenstein, K Bailey Freund, Juan Grunwald, Robyn Guymer, Carel B Hoyng, Glenn J Jaffe, Sandra Liakopoulos, Jordi M Monés, Akio Oishi, Daniel Pauleikhoff, Philip J Rosenfeld, David Sarraf, Richard F Spaide, Ramin Tadayoni, Adnan Tufail, Sebastian Wolf, Steffen Schmitz-Valckenberg
PURPOSE: To summarize the results of 2 consensus meetings (Classification of Atrophy Meeting [CAM]) on conventional and advanced imaging modalities used to detect and quantify atrophy due to late-stage non-neovascular and neovascular age-related macular degeneration (AMD) and to provide recommendations on the use of these modalities in natural history studies and interventional clinical trials. DESIGN: Systematic debate on the relevance of distinct imaging modalities held in 2 consensus meetings...
January 18, 2017: Ophthalmology
https://www.readbyqxmd.com/read/28068675/nutrition-habits-and-health-outcomes-of-breastfeeding-hiv-positive-mothers-in-the-dschang-health-district-west-region-cameroon
#12
Martin Sanou Sobze, Tsi Kien-Atsu, Bruna Djeunang Dongho, Jimmy Roger Fotso, Armand TiotsiaTsapi, Yannick Azeufack Ngueko, Sali Ben Bechir, Augusto Pana, Lucia Ercoli, Vittorio Colizzi, Gianluca Russo
BACKGROUND: Amongst the different at-risk periods for mother-to-child HIV transmission that is, during pregnancy, labor and delivery and breastfeeding, much care and attention needs to be given, not only to the child as concerns its feeding options, but also to the mother. The aim of this study was to determine the nutritional habits and health outcomes of HIV-positive breastfeeding mothers in the Dschang Health District, in the context of prevention of mother-to-child transmission (PMTCT) activities...
September 2016: Igiene e Sanità Pubblica
https://www.readbyqxmd.com/read/28062531/epsilon-wave-on-an-electronic-loop-in-a-case-of-arrhythmogenic-right-ventricular-dysplasia-with-myocarditis-an-updated-definition-of-the-epsilon-wave
#13
Guy Hugues Fontaine, Guillaume Duthoit, Guoliang Li, L Andreoletti, Estelle Gandjbakhch, Robert Frank
A young man presented with a history of myocarditis with palpitations and dizziness. He had implantation of a loop recorder that showed repetitive short episodes of VT. In addition, there were fragmented potentials immediately following the large and sharp electrograms (EGMs) before as well as after episodes of VT suggesting an Epsilon wave. This signal can be observed in multiple cardiac conditions including coronary artery disease. It was originally recorded on the epicardium as well as on the endocardium...
January 6, 2017: Europace: European Pacing, Arrhythmias, and Cardiac Electrophysiology
https://www.readbyqxmd.com/read/28062308/bone-trauma-causes-massive-but-reversible-changes-in-spinal-circuitry
#14
Silke Hirsch, Alaa Ibrahim, Laura Krämer, Fabiola Escolano-Lozano, Tanja Schlereth, Frank Birklein
: Bone fracture with subsequent immobilization of the injured limb can cause complex regional pain syndrome (CRPS) in humans. Mechanisms of CRPS are still not completely understood but bone fracture with casting in mice leads to a similar post-traumatic inflammation as seen in humans and might therefore be an analog to human CRPS. In this article we report behavioral and spinal electrophysiological changes in mice that developed swelling of the paw, warming of the skin, and pain in the injured limb after bone fracture...
January 3, 2017: Journal of Pain: Official Journal of the American Pain Society
https://www.readbyqxmd.com/read/28059587/metabolic-effects-of-fasting-on-human-and-mouse-blood-in-vivo
#15
Federico Pietrocola, Yohann Demont, Francesca Castoldi, David Enot, Sylvère Durand, Michaela Semeraro, Elisa Elena Baracco, Jonathan Pol, Jose Manuel Bravo-San Pedro, Chloé Bordenave, Sarah Levesque, Juliette Humeau, Alexis Chery, Didier Métivier, Frank Madeo, M Chiara Maiuri, Guido Kroemer
Starvation is a strong physiological stimulus of macroautophagy/autophagy. In this study, we addressed the question as to whether it would be possible to measure autophagy in blood cells after nutrient deprivation. Fasting of mice for 48 h (which causes ∼20% weight loss) or starvation of human volunteers for up to 4 d (which causes <2% weight loss) provokes major changes in the plasma metabolome, yet induces only relatively minor alterations in the intracellular metabolome of circulating leukocytes. White blood cells from mice and human volunteers responded to fasting with a marked reduction in protein lysine acetylation, affecting both nuclear and cytoplasmic compartments...
January 6, 2017: Autophagy
https://www.readbyqxmd.com/read/28043173/glucocorticoid-targeted-therapies-for-the-treatment-of-rheumatoid-arthritis
#16
Cindy Strehl, Marlies C van der Goes, Johannes W J Bijlsma, Johannes W G Jacobs, Frank Buttgereit
The beneficial effects of glucocorticoids are highly regarded in the treatment of inflammatory diseases. In rheumatoid arthritis, these drugs are widely used because they effectively reduce signs and symptoms of the disease, and exert disease-modifying effects. However, both patients and physicians frequently associate glucocorticoids with a variety of adverse effects which hamper adherence. Due to this ambivalent nature of these drugs, several new glucocorticoids or glucocorticoid receptor ligands are being developed, aiming at improving their benefit-risk balance...
January 3, 2017: Expert Opinion on Investigational Drugs
https://www.readbyqxmd.com/read/28043131/frozen-in-time-kinetically-stabilized-amorphous-solid-dispersions-of-nifedipine-stable-after-a-quarter-century-of-storage
#17
Frank Theil, Sankaran Anantharaman, Samuel O Kyeremateng, Holger van Lishaut, Sebastian H Dreis-Kühne, Jörg Rosenberg, Markus Mägerlein, Gerd H Woehrle
Kinetically stabilized amorphous solid dispersions are inherently metastable systems. Therefore, such systems are generally considered prone to recrystallization. In some cases, the formation of crystals will impact the bioavailability of the active pharmaceutical ingredient in these formulations. Recrystallization therefore may present a significant risk for patients as it potentially lowers the effective dose of the pharmaceutical formulation. This study indicates that such metastable formulations may indeed remain fully amorphous even after more than two decades of storage under ambient conditions...
January 3, 2017: Molecular Pharmaceutics
https://www.readbyqxmd.com/read/28025367/phenotypic-variation-in-complex-regional-pain-syndrome-comparison-between-presentation-in-knee-alone-or-in-ankle-foot
#18
Catelijne M van Bussel, Dirk L Stronks, Frank J P M Huygen
OBJECTIVE: To compare the phenotypes of patients with complex regional pain syndrome (CRPS) of the knee to those with CRPS of the ankle/foot. SETTING: A retrospective study. SUBJECTS: Patients with CRPS of the knee and patients with CRPS of the ankle/foot. METHODS: We used electronic patient databases to identify patients with CRPS of the knee and patients with CRPS of the ankle/foot. The following variables were recorded: age, gender, duration of complaints, initial injury, and symptoms and signs...
December 2016: Pain Medicine: the Official Journal of the American Academy of Pain Medicine
https://www.readbyqxmd.com/read/28025296/physical-analysis-of-an-antarctic-ice-core-towards-an-integration-of-micro-and-macrodynamics-of-polar-ice
#19
Ilka Weikusat, Daniela Jansen, Tobias Binder, Jan Eichler, Sérgio H Faria, Frank Wilhelms, Sepp Kipfstuhl, Simon Sheldon, Heinrich Miller, Dorthe Dahl-Jensen, Thomas Kleiner
Microstructures from deep ice cores reflect the dynamic conditions of the drill location as well as the thermodynamic history of the drill site and catchment area in great detail. Ice core parameters (crystal lattice-preferred orientation (LPO), grain size, grain shape), mesostructures (visual stratigraphy) as well as borehole deformation were measured in a deep ice core drilled at Kohnen Station, Dronning Maud Land (DML), Antarctica. These observations are used to characterize the local dynamic setting and its rheological as well as microstructural effects at the EDML ice core drilling site (European Project for Ice Coring in Antarctica in DML)...
February 13, 2017: Philosophical Transactions. Series A, Mathematical, Physical, and Engineering Sciences
https://www.readbyqxmd.com/read/28012274/activity-dependent-switch-of-gabaergic-inhibition-into-glutamatergic-excitation-in-astrocyte-neuron-networks
#20
Gertrudis Perea, Ricardo Gómez, Sara Mederos, Ana Covelo, Jesús J Ballesteros, Laura Schlosser, Alicia Hernández-Vivanco, Mario Martín-Fernández, Ruth Quintana, Abdelrahman Rayan, Adolfo Díez, Marco Fuenzalida, Amit Agarwal, Dwight E Bergles, Bernhard Bettler, Denise Manahan-Vaughan, Eduardo D Martín, Frank Kirchhoff, Alfonso Araque
Interneurons are critical for proper neural network function and can activate Ca(2+) signaling in astrocytes. However, the impact of the interneuron-astrocyte signaling into neuronal network operation remains unknown. Using the simplest hippocampal Astrocyte-Neuron network, i.e., GABAergic interneuron, pyramidal neuron, single CA3-CA1 glutamatergic synapse, and astrocytes, we found that interneuron-astrocyte signaling dynamically affected excitatory neurotransmission in an activity- and time-dependent manner, and determined the sign (inhibition vs potentiation) of the GABA-mediated effects...
December 24, 2016: ELife
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