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https://www.readbyqxmd.com/read/28748990/-clinical-features-of-patients-with-basedow-graves-disease-seen-at-a-university-hospital
#1
Alejandra Lanas, Patricia Díaz, Daniela Eugenin, Franco González, Pía Cid, Francisco Cordero, Verónica Araya, Claudio Liberman, Marcela Barberan, Patricio Gac, Neil Saldías, Pedro Pineda
BACKGROUND: Basedow Graves disease (BGD) is the leading cause of hyperthyroidism. The characteristics of patients seen at a university hospital may differ from those described in the general population. AIM: To describe the clinical features of patients with BGD seen at a university hospital. MATERIAL AND METHODS: Review of medical records of all patients seen at our hospital between 2009 and 2014 with the diagnosis of thyrotoxicosis, hyperthyroidism or BGD...
April 2017: Revista Médica de Chile
https://www.readbyqxmd.com/read/28746897/parkinsonian-features-in-aging-gfap-hmox1-transgenic-mice-overexpressing-human-ho-1-in-the-astroglial-compartment
#2
Wei Song, Marisa Cressatti, Hillel Zukor, Adrienne Liberman, Carmela Galindez, Hyman M Schipper
Epigenetic influences mediating brain iron deposition, oxidative mitochondrial injury, and macroautophagy in Parkinson disease and related conditions remain enigmatic. Here, we show that selective overexpression of the stress protein, heme oxygenase-1 (HO-1) in astrocytes of GFAP.HMOX1 transgenic mice between 8.5 and 19 months of age results in nigrostriatal hypodopaminergia associated with locomotor incoordination and stereotypy; downregulation of tyrosine hydroxylase, DAT, LMX1B, Nurr1, Pitx3 and DJ-1 mRNA and/or protein; overproduction of α-synuclein and ubiquitin; oxidative stress; basal ganglia siderosis; mitochondrial damage/mitophagy; and augmented GABAergic systems (increased GABA, GAD67 and reelin)...
June 28, 2017: Neurobiology of Aging
https://www.readbyqxmd.com/read/28724588/automatic-measurement-of-prosody-in-behavioral-variant-ftd
#3
Naomi Nevler, Sharon Ash, Charles Jester, David J Irwin, Mark Liberman, Murray Grossman
OBJECTIVE: To help understand speech changes in behavioral variant frontotemporal dementia (bvFTD), we developed and implemented automatic methods of speech analysis for quantification of prosody, and evaluated clinical and anatomical correlations. METHODS: We analyzed semi-structured, digitized speech samples from 32 patients with bvFTD (21 male, mean age 63 ± 8.5, mean disease duration 4 ± 3.1 years) and 17 matched healthy controls (HC). We automatically extracted fundamental frequency (f0, the physical property of sound most closely correlating with perceived pitch) and computed pitch range on a logarithmic scale (semitone) that controls for individual and sex differences...
July 19, 2017: Neurology
https://www.readbyqxmd.com/read/28720043/open-arthroscopic-and-percutaneous-surgical-treatment-of-lateral-epicondylitis-a-systematic-review
#4
Matthew B Burn, Ronald J Mitchell, Shari R Liberman, David M Lintner, Joshua D Harris, Patrick C McCulloch
BACKGROUND: Approximately 10% of patients with lateral epicondylitis go on to have surgical treatment; however, multiple surgical treatment options exist. The purpose of this study was to review the literature for the clinical outcomes of open, arthroscopic, and percutaneous treatment of lateral epicondylitis. The authors hypothesized that the clinical outcome of all 3 analyzed surgical treatments would be equivalent. METHODS: A systematic review was performed using PubMed, Cochrane Central Register of Controlled Trials, and Google Scholar in July 2016 to compare the functional outcome, pain, grip strength, patient satisfaction, and return to work at 1-year follow-up for open, arthroscopic, and percutaneous treatment of lateral epicondylitis...
March 1, 2017: Hand: Official Journal of the American Association for Hand Surgery
https://www.readbyqxmd.com/read/28712672/noise-induced-cochlear-synaptopathy-in-rhesus-monkeys-macaca-mulatta
#5
M D Valero, J A Burton, S N Hauser, T A Hackett, R Ramachandran, M C Liberman
Cochlear synaptopathy can result from various insults, including acoustic trauma, aging, ototoxicity, or chronic conductive hearing loss. For example, moderate noise exposure in mice can destroy up to ∼50% of synapses between auditory nerve fibers (ANFs) and inner hair cells (IHCs) without affecting outer hair cells (OHCs) or thresholds, because the synaptopathy occurs first in high-threshold ANFs. However, the fiber loss likely impairs temporal processing and hearing-in-noise, a classic complaint of those with sensorineural hearing loss...
July 8, 2017: Hearing Research
https://www.readbyqxmd.com/read/28690836/noise-induced-and-age-related-hearing-loss-%C3%A2-new-perspectives-and-potential-therapies
#6
REVIEW
M Charles Liberman
The classic view of sensorineural hearing loss has been that the primary damage targets are hair cells and that auditory nerve loss is typically secondary to hair cell degeneration. Recent work has challenged that view. In noise-induced hearing loss, exposures causing only reversible threshold shifts (and no hair cell loss) nevertheless cause permanent loss of >50% of the synaptic connections between hair cells and the auditory nerve. Similarly, in age-related hearing loss, degeneration of cochlear synapses precedes both hair cell loss and threshold elevation...
2017: F1000Research
https://www.readbyqxmd.com/read/28680767/a-resident-boot-camp-for-reducing-door-to-needle-times-at-academic-medical-centers
#7
REVIEW
Ilana M Ruff, Ava L Liberman, Fan Z Caprio, Matthew B Maas, Scott J Mendelson, Farzaneh A Sorond, Deborah Bergman, Richard A Bernstein, Yvonne Curran, Shyam Prabhakaran
BACKGROUND: We sought to determine if a structured educational program for neurology residents can lower door-to-needle (DTN) times at an academic institution. METHODS: A neurology resident educational stroke boot camp was developed and implemented in April 2013. Using a prospective database of 170 consecutive acute ischemic stroke (AIS) patients treated with IV tissue plasminogen activator (tPA) in our emergency department (ED), we evaluated the effect of the intervention on DTN times...
June 2017: Neurology. Clinical Practice
https://www.readbyqxmd.com/read/28635008/assisted-reproductive-technology-and-birth-defects-effects-of-subfertility-and-multiple-births
#8
Rebecca F Liberman, Kelly D Getz, Dominique Heinke, Barbara Luke, Judy E Stern, Eugene R Declercq, Xiaoli Chen, Angela E Lin, Marlene Anderka
BACKGROUND: Assisted reproductive technology (ART) has been associated with birth defects, but the contributions of multiple births and underlying subfertility remain unclear. We evaluated the effects of subfertility and mediation by multiple births on associations between ART and nonchromosomal birth defects. METHODS: We identified a retrospective cohort of Massachusetts live births and stillbirths from 2004 to 2010 among ART-exposed, ART-unexposed subfertile, and fertile mothers using linked information from fertility clinics, vital records, hospital discharges, and birth defects surveillance...
June 21, 2017: Birth defects research
https://www.readbyqxmd.com/read/28634510/internal-carotid-artery-and-sphenoidal-emissary-vesalian-vein-fistula-mimicking-a-carotid-cavernous-sinus-fistula
#9
Ava L Liberman, Preethi Ramchand, Kimberly Gannon, Eric L Zager, Bryan Pukenas, Aaron L Bress, Michael D Ezekowitz, Robert Hurst, Steven R Messé
No abstract text is available yet for this article.
July 2017: Neurohospitalist
https://www.readbyqxmd.com/read/28633222/endosonographic-mediastinal-lymph-node-staging-in-non-small-cell-lung-cancer-how-i-teach-it
#10
EDITORIAL
Ricardo L Oliveira, Moishe Liberman
No abstract text is available yet for this article.
July 2017: Annals of Thoracic Surgery
https://www.readbyqxmd.com/read/28618553/mechanism-of-unconfined-dust-explosions-turbulent-clustering-and-radiation-induced-ignition
#11
Michael Liberman, Nathan Kleeorin, Igor Rogachevskii, Nils Erland L Haugen
It is known that unconfined dust explosions typically start off with a relatively weak primary flame followed by a severe secondary explosion. We show that clustering of dust particles in a temperature stratified turbulent flow ahead of the primary flame may give rise to a significant increase in the radiation penetration length. These particle clusters, even far ahead of the flame, are sufficiently exposed and heated by the radiation from the flame to become ignition kernels capable to ignite a large volume of fuel-air mixtures...
May 2017: Physical Review. E
https://www.readbyqxmd.com/read/28603087/cysteine-rich-whey-protein-isolate-immunocal%C3%A2-ameliorates-deficits-in-the-gfap-hmox1-mouse-model-of-schizophrenia
#12
Wei Song, Ayda Tavitian, Marisa Cressatti, Carmela Galindez, Adrienne Liberman, Hyman M Schipper
Schizophrenia is a neuropsychiatric disorder that features neural oxidative stress and glutathione (GSH) deficits. Oxidative stress is augmented in brain tissue of GFAP.HMOX1 transgenic mice which exhibit schizophrenia-relevant characteristics. The whey protein isolate, Immunocal® serves as a GSH precursor upon oral administration. In this study, we treated GFAP.HMOX1 transgenic mice daily with either Immunocal (33mg/ml drinking water) or equivalent concentrations of casein (control) between the ages of 5 and 6...
June 8, 2017: Free Radical Biology & Medicine
https://www.readbyqxmd.com/read/28556180/multiple-coil-k-space-interpolation-enhances-resolution-in-single-shot-spatiotemporal-mri
#13
Gilad Liberman, Eddy Solomon, Michael Lustig, Lucio Frydman
PURPOSE: Spatio-temporal encoding (SPEN) experiments can deliver single-scan MR images without folding complications and with robustness to chemical shift and susceptibility artifacts. Further resolution improvements are shown to arise by relying on multiple receivers, to interpolate the sampled data along the low-bandwidth dimension. The ensuing multiple-sensor interpolation is akin to recently introduced SPEN interleaving procedures, albeit without requiring multiple shots. METHODS: By casting SPEN's spatial rasterization in k-space, it becomes evident that local k-data interpolations enabled by multiple receivers are akin to real-space interleaving of SPEN images...
May 28, 2017: Magnetic Resonance in Medicine: Official Journal of the Society of Magnetic Resonance in Medicine
https://www.readbyqxmd.com/read/28544118/application-of-bottlebrush-block-copolymers-as-photonic-crystals
#14
REVIEW
Allegra L Liberman-Martin, Crystal K Chu, Robert H Grubbs
Brush block copolymers are a class of comb polymers that feature polymeric side chains densely grafted to a linear backbone. These polymers display interesting properties due to their dense functionality, low entanglement, and ability to rapidly self-assemble to highly ordered nanostructures. The ability to prepare brush polymers with precise structures has been enabled by advancements in controlled polymerization techniques. This Feature Article highlights the development of brush block copolymers as photonic crystals that can reflect visible to near-infrared wavelengths of light...
May 22, 2017: Macromolecular Rapid Communications
https://www.readbyqxmd.com/read/28536170/door-to-needle-delays-in-minor-stroke-a-causal-inference-approach
#15
Sara K Rostanski, Zachary Shahn, Mitchell S V Elkind, Ava L Liberman, Randolph S Marshall, Joshua I Stillman, Olajide Williams, Joshua Z Willey
BACKGROUND AND PURPOSE: Thrombolysis rates among minor stroke (MS) patients are increasing because of increased recognition of disability in this group and guideline changes regarding treatment indications. We examined the association of delays in door-to-needle (DTN) time with stroke severity. METHODS: We performed a retrospective analysis of all stroke patients who received intravenous tissue-type plasminogen activator in our emergency department between July 1, 2011, and February 29, 2016...
July 2017: Stroke; a Journal of Cerebral Circulation
https://www.readbyqxmd.com/read/28530226/corrigendum-cochlear-gene-therapy-with-ancestral-aav-in-adult-mice-complete-transduction-of-inner-hair-cells-without-cochlear-dysfunction
#16
Jun Suzuki, Ken Hashimoto, Ru Xiao, Luk H Vandenberghe, M Charles Liberman
This corrects the article DOI: 10.1038/srep45524.
May 22, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28526110/pulmonary-artery-sealing-with-ultrasonic-energy-in-open-lobectomy-a-phase-i-clinical-trial
#17
Eric Goudie, Vicky Thiffault, Adeline Jouquan, Edwin Lafontaine, Pasquale Ferraro, Moishe Liberman
OBJECTIVE: Pulmonary artery branch sealing in video-assisted thoracoscopic surgical lobectomy is usually achieved with vascular endostaplers. Iatrogenic pulmonary artery injury may be caused by endostaplers. We evaluated the safety of pulmonary artery sealing with an ultrasonic energy vessel-sealing device in a phase I clinical trial evaluating in vivo safety of the device during open lobectomy. METHODS: Patients scheduled to undergo elective open (thoracotomy) pulmonary lobectomy were prospectively enrolled...
June 2017: Journal of Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/28521479/association-between-non-melanoma-and-melanoma-skin-cancer-rates-vitamin-d-and-latitude
#18
Miguel Rivas, Elisa Rojas, Gloria M Calaf, Marcela Barberán, Claudio Liberman, Marcelo De Paula Correa
Vitamin D synthesis takes place in the skin due to solar ultraviolet-B (UVB) radiation. Several studies have shown the association between low sun exposure, non-melanoma skin cancer (NMSC) and a lack of vitamin D synthesis. Since such synthesis in the body depends on the exposure of the skin to solar UVB radiation (290-320 nm), experimental measurements of this type of solar radiation are important. Tarapaca University in Arica, Chile, established a solar UV radiation laboratory in 2006 and since then this laboratory has performed systematic experimental solar UVB measurements using a calibrated biometer instrument...
May 2017: Oncology Letters
https://www.readbyqxmd.com/read/28512359/the-perceived-stability-of-scenes-serial-dependence-in-ensemble-representations
#19
Mauro Manassi, Alina Liberman, Wesley Chaney, David Whitney
We are continuously surrounded by a noisy and ever-changing environment. Instead of analyzing all the elements in a scene, our visual system has the ability to compress an enormous amount of visual information into ensemble representations, such as perceiving a forest instead of every single tree. Still, it is unclear why such complex scenes appear to be the same from moment to moment despite fluctuations, noise, and discontinuities in retinal images. The general effects of change blindness are usually thought to stabilize scene perception, making us unaware of minor inconsistencies between scenes...
May 16, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28503234/error-reporting-from-the-da-vinci-surgical-system-in-robotic-surgery-a-canadian-multispecialty-experience-at-a-single-academic-centre
#20
Emad Rajih, Côme Tholomier, Beatrice Cormier, Vanessa Samouëlian, Thomas Warkus, Moishe Liberman, Hugues Widmer, Jean-Baptiste Lattouf, Abdullah M Alenizi, Malek Meskawi, Roger Valdivieso, Pierre-Alain Hueber, Pierre I Karakewicz, Assaad El-Hakim, Kevin C Zorn
INTRODUCTION: The goal of the study is to evaluate and report on the third-generation da Vinci surgical (Si) system malfunctions. METHODS: A total of 1228 robotic surgeries were performed between January 2012 and December 2015 at our academic centre. All cases were performed by using a single, dual console, four-arm, da Vinci Si robot system. The three specialties included urology, gynecology, and thoracic surgery. Studied outcomes included the robotic surgical error types, immediate consequences, and operative side effects...
May 2017: Canadian Urological Association Journal, Journal de L'Association des Urologues du Canada
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