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https://www.readbyqxmd.com/read/28645206/catheter-based-renal-denervation-as-therapy-for-chronic-severe-kidney-related-pain
#1
Rosa L de Jager, Niek F Casteleijn, Esther de Beus, Michiel L Bots, Evert-Jan E Vonken, Ron T Gansevoort, Peter J Blankestijn
Background: Loin pain haematuria syndrome (LPHS) and autosomal dominant polycystic kidney disease (ADPKD) are the most important non-urological conditions to cause chronic severe kidney-related pain. Multidisciplinary programmes and surgical methods have shown inconsistent results with respect to pain reduction. Percutaneous catheter-based renal denervation (RDN) could be a less invasive treatment option for these patients. Methods: Our aim was to explore the change in perceived pain and use of analgesic medication from baseline to 3, 6 and 12 months after RDN...
June 22, 2017: Nephrology, Dialysis, Transplantation
https://www.readbyqxmd.com/read/28645200/prognostic-awareness-prognostic-communication-and-cognitive-function-in-patients-with-malignant-glioma
#2
Eli L Diamond, Holly G Prigerson, Denise C Correa, Anne Reiner, Katherine Panageas, Maria Kryza-Lacombe, Justin Buthorn, Elizabeth C Neil, Alex M Miller, Lisa M DeAngelis, Allison J Applebaum
Background: Malignant glioma (MG) is a devastating neuro-oncologic disease with almost invariably poor prognosis. Prognostic awareness (PA) is the awareness of incurable disease and shortened life-expectancy (LE). Accurate PA is associated with favorable psychological outcomes at the end-of-life (EOL) for patients with cancer, however little is known about PA or prognostic communication in MG. Moreover, research has yet to evaluate the impact of cognitive impairment on PA and preferred forms of communication...
June 22, 2017: Neuro-oncology
https://www.readbyqxmd.com/read/28645182/stereotactic-radiosurgery-for-brainstem-arteriovenous-malformations-a-multicenter-study
#3
Or Cohen-Inbar, Robert M Starke, Cheng-Chia Lee, Hideyuki Kano, Paul Huang, Douglas Kondziolka, Inga S Grills, Danilo Silva, Mohmoud Abbassy, Symeon Missios, Gene H Barnett, L Dade Lunsford, Jason P Sheehan
BACKGROUND: The management of brainstem arteriovenous malformations (bAVMs) is a formidable challenge. bAVMs harbor higher morbidity and mortality compared to other locations. OBJECTIVE: To review the outcomes following stereotactic radiosurgery (SRS) of bAVMs in a multicenter study. METHODS: Six medical centers contributed data from 205 patients through the International Gamma Knife Research Foundation. Median age was 32 yr (6-81). Median nidus volume was 1...
June 21, 2017: Neurosurgery
https://www.readbyqxmd.com/read/28645093/identification-of-key-outcome-measures-when-using-the-instrumented-timed-up-and-go-and-or-posturography-for-fall-screening
#4
Renee Beach Sample, Allison L Kinney, Kurt Jackson, Wiebke Diestelkamp, Kimberly Edginton Bigelow
The Timed Up and Go (TUG) has been commonly used for fall risk assessment. The instrumented Timed Up and Go (iTUG) adds wearable sensors to capture sub-movements and may be more sensitive. Posturography assessments have also been used for determining fall risk. This study used stepwise logistic regression models to identify key outcome measures for the iTUG and posturography protocols. The effectiveness of the models containing these measures in differentiating fallers from non-fallers were then compared for each: iTUG total time duration only, iTUG, posturography, and combined iTUG and posturography assessments...
June 10, 2017: Gait & Posture
https://www.readbyqxmd.com/read/28645076/does-reflective-functioning-mediate-the-relationship-between-attachment-and-personality
#5
Maria Paola Nazzaro, Tommaso Boldrini, Annalisa Tanzilli, Laura Muzi, Guido Giovanardi, Vittorio Lingiardi
Mentalization, operationalized as reflective functioning (RF), can play a crucial role in the psychological mechanisms underlying personality functioning. This study aimed to: (a) study the association between RF, personality disorders (cluster level) and functioning; (b) investigate whether RF and personality functioning are influenced by (secure vs. insecure) attachment; and (c) explore the potential mediating effect of RF on the relationship between attachment and personality functioning. The Shedler-Westen Assessment Procedure (SWAP-200) was used to assess personality disorders and levels of psychological functioning in a clinical sample (N = 88)...
June 15, 2017: Psychiatry Research
https://www.readbyqxmd.com/read/28645037/slip-additive-migration-surface-morphology-and-performance-on-injection-moulded-high-density-polyethylene-closures
#6
Nabeen Dulal, Robert Shanks, Thomas Gengenbach, Harsharn Gill, David Chalmers, Benu Adhikari, Isaac Pardo Martinez
HYPOTHESIS: The amount and distribution of slip agents, erucamide, and behenamide, on the surface of high-density polyethene, is determined by integral characteristics of slip agent structure and polymer morphology. A suite of surface analysis techniques was applied to correlate physicochemical properties with slip-additive migration behaviour and their surface morphology. The migration, surface morphology and physicochemical properties of the slip additives, crystallinity and orientation of polyethene spherulites and interaction between slip additives and high-density polyethene influence the surface characteristics...
June 13, 2017: Journal of Colloid and Interface Science
https://www.readbyqxmd.com/read/28645036/influence-of-surface-states-on-blinking-characteristics-of-single-colloidal-cdse-cds-zns-core-multishell-quantum-dot
#7
Hao Xu, Hjalmar Brismar, Ying Fu
We carefully characterized the fluorescence blinking of single colloidal CdSe-CdS/ZnS core-multishell quantum dots (QDs) with different surface modifications, including octadecylamine (ODA) coated QDs dispersed in chloroform, aqueous 3-mercaptopropionic acids (3MPA) coated QDs in HEPES solution treated by Ca(2+) ions and ethylene glycol tetraacetic acid (EGTA, Ca(2+) chelator), and aqueous 3MPA-QDs treated by glycerol. It was found that the on- and off-state probability density distributions displayed different rules...
June 16, 2017: Journal of Colloid and Interface Science
https://www.readbyqxmd.com/read/28645024/prevalence-of-depression-comparisons-of-different-depression-definitions-in-population-based-samples-of-older-adults
#8
Linnea Sjöberg, Björn Karlsson, Anna-Rita Atti, Ingmar Skoog, Laura Fratiglioni, Hui-Xin Wang
BACKGROUND: Depression prevalence in older adults varies largely across studies, which probably reflects methodological rather than true differences. This study aims to explore whether and to what extent the prevalence of depression varies when using different diagnostic criteria and rating scales, and various samples of older adults. METHODS: A population-based sample of 3353 individuals aged 60-104 years from the Swedish National Study on Aging and Care in Kungsholmen (SNAC-K) were examined in 2001-2004...
June 13, 2017: Journal of Affective Disorders
https://www.readbyqxmd.com/read/28645022/benzene-and-childhood-acute-leukemia-in-oklahoma
#9
Amanda E Janitz, Janis E Campbell, Sheryl Magzamen, Anne Pate, Julie A Stoner, Jennifer D Peck
BACKGROUND: Although childhood cancer is a leading cause of childhood mortality in the US, evidence regarding the etiology is lacking. The goal of this study was to evaluate the association between benzene, a known carcinogen, and childhood acute leukemia. METHODS: We conducted a case-control study including cases diagnosed with acute leukemia between 1997 and 2012 (n = 307) from the Oklahoma Central Cancer Registry and controls matched on week of birth from birth certificates (n = 1013)...
June 20, 2017: Environmental Research
https://www.readbyqxmd.com/read/28645017/examining-anxiety-sensitivity-as-a-mediator-of-the-association-between-ptsd-symptoms-and-suicide-risk-among-women-firefighters
#10
Ian H Stanley, Melanie A Hom, Sally Spencer-Thomas, Thomas E Joiner
OBJECTIVE: Posttraumatic stress disorder (PTSD) symptoms are associated with increased suicide risk. Anxiety sensitivity (AS)-the fear of anxiety-related sensations-is both a vulnerability factor for and consequence of PTSD symptoms. AS also predicts suicide risk. To our knowledge, no study has examined whether AS concerns account for the association between PTSD symptoms and suicide risk. METHOD: A total of 254 women firefighters completed a web-based mental health survey...
June 13, 2017: Journal of Anxiety Disorders
https://www.readbyqxmd.com/read/28644993/long-term-toxicity-of-surface-charged-polystyrene-nanoplastics-to-marine-planktonic-species-dunaliella-tertiolecta-and-artemia-franciscana
#11
E Bergami, S Pugnalini, M L Vannuccini, L Manfra, C Faleri, F Savorelli, K A Dawson, I Corsi
Plastic pollution has been globally recognized as a critical issue for marine ecosystems and nanoplastics constitute one of the last unexplored areas to understand the magnitude of this threat. However, current difficulties in sampling and identifying nano-sized debris make hard to assess their occurrence in marine environment. Polystyrene nanoparticles (PS NPs) are largely used as nanoplastics in ecotoxicological studies and although acute exposures have been already investigated, long-term toxicity on marine organisms is unknown...
June 15, 2017: Aquatic Toxicology
https://www.readbyqxmd.com/read/28644973/il-18-il-15-il-12-synergy-induces-elevated-and-prolonged-ifn-%C3%AE-production-by-ex-vivo-expanded-nk-cells-which-is-not-due-to-enhanced-stat4-activation
#12
Evan Lusty, Sophie M Poznanski, Karen Kwofie, Talveer S Mandur, Dean A Lee, Carl D Richards, Ali A Ashkar
The synergistic effect of IL-18/IL-15/IL-12 stimulation potently activates NK cells, inducing high levels of IFN-γ production. As a result of this potent stimulatory effect, NK cell pre-activation with IL-18/IL-15/IL-12 is being developed as a cancer immunotherapy. Ex vivo expansion of NK cells enables the efficient generation of large numbers of NK cells for wide-scale and repeated therapeutic use, and is thus an important source of NK cells for clinical application. However, the effects of IL-18/IL-15/IL-12 stimulation on ex vivo expanded NK cells have not yet been assessed...
June 20, 2017: Molecular Immunology
https://www.readbyqxmd.com/read/28644920/genome-scale-metabolic-models-applied-to-human-health-and-disease
#13
REVIEW
Daniel J Cook, Jens Nielsen
Advances in genome sequencing, high throughput measurement of gene and protein expression levels, data accessibility, and computational power have allowed genome-scale metabolic models (GEMs) to become a useful tool for understanding metabolic alterations associated with many different diseases. Despite the proven utility of GEMs, researchers confront multiple challenges in the use of GEMs, their application to human health and disease, and their construction and simulation in an organ-specific and disease-specific manner...
June 23, 2017: Wiley Interdisciplinary Reviews. Systems Biology and Medicine
https://www.readbyqxmd.com/read/28644917/an-oxygen-isotope-chronometer-for-cellulose-deposition-the-successive-leaves-formed-by-tillers-of-a-c4-perennial-grass
#14
Hai Tao Liu, Fang Yang, Xiao Ying Gong, Rudi Schäufele, Hans Schnyder
Multiannual time series of (palaeo)hydrological information can be reconstructed from the oxygen isotope composition of cellulose (δ(18) OCel ) in biological archives, e.g. tree-rings, but our ability to temporally resolve information at subannual scale is limited. We capitalized on the short and predictable leaf appearance interval (2.4 d) of a perennial C4 grass (Cleistogenes squarrosa), to assess its potential for providing highly time-resolved δ(18) OCel records of vapor pressure deficit (VPD). Plants grown at low (0...
June 23, 2017: Plant, Cell & Environment
https://www.readbyqxmd.com/read/28644865/test-designs-and-modeling-under-the-general-nominal-diagnosis-model-framework
#15
Jinsong Chen, Hui Zhou
Most psychological questionnaires face issues of response bias in respondent-reported scales, inadequacy for criterion-reference testing, or difficulty in estimating a large number of latent traits. Situational tests together with the general nominal diagnosis model framework provide a viable alternative to alleviate these concerns. Under this framework, there are different ways to design situationally nominal items, which can offer more flexibility for test development. Any response bias remaining with respondent-reported questionnaires may be addressed with appropriate test designs...
2017: PloS One
https://www.readbyqxmd.com/read/28644855/comparison-of-the-mirna-expression-profiles-in-fresh-frozen-and-formalin-fixed-paraffin-embedded-tonsillar-tumors
#16
Zuzana Vojtechova, Jiri Zavadil, Jan Klozar, Marek Grega, Ruth Tachezy
MicroRNAs are considered as promising prognostic and diagnostic biomarkers of human cancer since their profiles differ between tumor types. Most of the tumor profiling studies were performed on rarely available fresh frozen (FF) samples. Alternatively, archived formalin-fixed paraffin-embedded (FFPE) tissue samples are also well applicable to larger-scale retrospective miRNA profiling studies. The aim of this study was to perform systematic comparison of the miRNA expression profiles between FF and macrodissected FFPE tonsillar tumors using the TaqMan Low Density Array system, with the data processed by different software programs and two types of normalization methods...
2017: PloS One
https://www.readbyqxmd.com/read/28644833/quantifying-the-web-browser-ecosystem
#17
Sela Ferdman, Einat Minkov, Ron Bekkerman, David Gefen
Contrary to the assumption that web browsers are designed to support the user, an examination of a 900,000 distinct PCs shows that web browsers comprise a complex ecosystem with millions of addons collaborating and competing with each other. It is possible for addons to "sneak in" through third party installations or to get "kicked out" by their competitors without user involvement. This study examines that ecosystem quantitatively by constructing a large-scale graph with nodes corresponding to users, addons, and words (terms) that describe addon functionality...
2017: PloS One
https://www.readbyqxmd.com/read/28644823/eeg-characteristics-in-cooled-and-rewarmed-periods-in-post-cardiac-arrest-therapeutic-hypothermia-patients
#18
K Kim, Kimberly L Pargeon, Amy S Labar, Oren Friedman, Padmaja N Kandula, Douglas R Labar
PURPOSE: Continuous video EEG is a tool to assess brain function in injuries, including cardiac arrest (CA). In post-CA therapeutic hypothermia (TH) studies, some EEG features are linked to poor prognosis, but the evolvement of EEG characteristics during two temperature phases and its significance is unclear. We systematically analyzed EEG characteristics in cooled and rewarmed phases of post-CA therapeutic hypothermia patients and investigated their correlation to patient outcome. METHODS: This is a retrospective study of EEG analyses, from a single academic center, of 20 patients who underwent CA and therapeutic hypothermia...
July 2017: Journal of Clinical Neurophysiology: Official Publication of the American Electroencephalographic Society
https://www.readbyqxmd.com/read/28644794/electrocardiogram-signal-quality-assessment-based-on-structural-image-similarity-metric
#19
Yalda Shahriari, Richard Fidler, Michele Pelter, Yong Bai, Andrea Villaroman, Xiao Hu
OBJECTIVE: We developed an image-based electrocardiographic (ECG) quality assessment technique that mimics how clinicians annotate ECG signal quality. METHODS: We adopted the Structural Similarity Measure (SSIM) to compare images of two ECG records that are obtained from displaying ECGs in a standard scale. Then a subset of representative ECG images from the training set was selected as templates through a clustering method. SSIM between each image and all the templates were used as the feature vector for the linear discriminant analysis (LDA) classifier...
June 21, 2017: IEEE Transactions on Bio-medical Engineering
https://www.readbyqxmd.com/read/28644770/the-impact-of-photovoltaic-pv-installations-on-downwind-particulate-matter-concentrations-results-from-field-observations-at-a-550-mwac-utility-scale-pv-plant
#20
Dwarakanath Ravikumar, Parikhit Sinha
With utility-scale photovoltaic(PV) projects increasingly developed in dry and dust-prone geographies with high solar insolation, there is a critical need to analyze the impacts of PV installations on the resulting particulate-matter(PM) concentrations which have environmental and health impacts. This study is the first to quantify the impact of a utility-scale PV plant on PM concentrations downwind of the project site. Background, construction and post-construction PM2.5 and PM10 concentration data are collected from four beta attenuation monitor(BAM) stations over 3 years...
June 23, 2017: Journal of the Air & Waste Management Association
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