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https://www.readbyqxmd.com/read/28088795/influence-of-intracranial-air-on-electrode-position-and-clinical-outcomes-following-deep-brain-stimulation-for-parkinson-s-disease
#1
J Nicole Bentley, Zhe Guan, Karen S Cummings, Kelvin L Chou, Parag G Patil
BACKGROUND: The introduction of intracranial air during deep brain stimulation (DBS) surgery is believed to negatively impact targeting accuracy and clinical outcomes. OBJECTIVE: To quantify the relationship between intracranial air (ICA) volumes, targeting accuracy, and clinical outcomes in patients undergoing subthalamic nucleus (STN) DBS for Parkinson's disease. METHODS: ICA in 73 consecutive STN DBS cases (146 leads) was measured by high-resolution CT and correlated with proximal lead bowing, electrode displacement, targeting accuracy, and clinical outcomes at 6 and 12 months...
January 14, 2017: Stereotactic and Functional Neurosurgery
https://www.readbyqxmd.com/read/28088380/aquatic-exercise-therapy-for-people-with-parkinson-s-disease-a-randomized-controlled-trial
#2
Louise M Carroll, Daniele Volpe, Meg E Morris, Jean Saunders, Amanda M Clifford
OBJECTIVE: To evaluate the effects of aquatic exercise therapy on gait variability and disability compared to usual care for people with Parkinson's disease (PD). DESIGN: Single-blind randomized control trial (RCT). SETTING: A community based hydrotherapy pool in Ireland. PARTICIPANTS: Twenty one individuals with PD (Hoehn-Yahr Stages I-III). INTERVENTIONS: Participants were randomly assigned to either an aquatic exercise therapy group (45 minutes, twice a week for 6 weeks) or a control group that received usual care...
January 11, 2017: Archives of Physical Medicine and Rehabilitation
https://www.readbyqxmd.com/read/28087998/performance-evaluation-of-pride-unda-system-with-pyroprocessing-feed-material
#3
Su Jung An, Hee Seo, Chaehun Lee, Seong-Kyu Ahn, Se-Hwan Park, Jeong-Hoe Ku
The PRIDE (PyRoprocessing Integrated inactive DEmonstration) is an engineering-scale pyroprocessing test-bed facility that utilizes depleted uranium (DU) instead of spent fuel as a process material. As part of the ongoing effort to enhance pyroprocessing safeguardability, UNDA (Unified Non-Destructive Assay), a system integrating three different non-destructive assay techniques, namely, neutron, gamma-ray, and mass measurement, for nuclear material accountancy (NMA) was developed. In the present study, UNDA's NMA capability was evaluated by measurement of the weight, (238)U mass, and U enrichment of oxide-reduction-process feed material (i...
December 30, 2016: Applied Radiation and Isotopes
https://www.readbyqxmd.com/read/28087776/seed-plant-specific-gene-lineages-involved-in-carpel-development
#4
Kai C Pfannebecker, Matthias Lange, Oliver Rupp, Annette Becker
Evolutionary innovations are important drivers of speciation and some are the defining characters of entire phyla. One such major innovation is the carpel, the unifying character and most complex plant organ, composed of many clearly distinct tissue types to ensure reproductive success. The origin of the carpel is unknown, but many components of the gene regulatory network (GRN) governing carpel development and their genetic interactions are known from the core eudicot Arabidopsis thaliana To unravel the evolution of the carpel GRN and to discriminate between "early" and "late" steps in carpel evolution we calculated thorough phylogeny reconstructions based on sequenced genomes...
January 12, 2017: Molecular Biology and Evolution
https://www.readbyqxmd.com/read/28087720/a-liminal-stage-after-predictive-testing-for-huntington-disease
#5
Marcela Gargiulo, Sophie Tezenas du Montcel, Marie France Jutras, Ariane Herson, Cecile Cazeneuve, Alexandra Durr
BACKGROUND: Following predictive testing for Huntington disease (HD), knowledge of one's carrier status may have consequences on disease onset. Our study aimed to address two questions. First, does knowledge of being a carrier of the pathological HD mutation trigger onset of the disease? Second, does this knowledge influence self-awareness and allow carriers to identify signs and symptoms of disease onset? METHODS: Between 2012 and 2015, 75 HD mutation carriers were examined using the Unified Huntington's Disease Rating Scale (UHDRS) motor score...
January 13, 2017: Journal of Medical Genetics
https://www.readbyqxmd.com/read/28087059/fatigue-in-parkinson-s-disease
#6
REVIEW
Karen Herlofson, Benzi M Kluger
Fatigue is one of the most common nonmotor symptoms in Parkinson's disease and may affect a wide range of everyday activities, cause disability and reduce quality of life. It occurs at every stage of PD, and once present will often persist and may worsen over time. Lack of a consensus of definition and classification, and a range of different self-reporting scales has so far made the study of fatigue challenging. We review a unifying taxonomy for defining fatigue in clinical and research contexts as well as case definition criteria for PD-related fatigue...
December 29, 2016: Journal of the Neurological Sciences
https://www.readbyqxmd.com/read/28080969/an-active-inference-theory-of-allostasis-and-interoception-in-depression
#7
Lisa Feldman Barrett, Karen S Quigley, Paul Hamilton
In this paper, we integrate recent theoretical and empirical developments in predictive coding and active inference accounts of interoception (including the Embodied Predictive Interoception Coding model) with working hypotheses from the theory of constructed emotion to propose a biologically plausible unified theory of the mind that places metabolism and energy regulation (i.e. allostasis), as well as the sensory consequences of that regulation (i.e. interoception), at its core. We then consider the implications of this approach for understanding depression...
November 19, 2016: Philosophical Transactions of the Royal Society of London. Series B, Biological Sciences
https://www.readbyqxmd.com/read/28079820/hepatoblastoma-in-an-11-year-old-case-report-and-a-review-of-the-literature
#8
Irina B Pateva, Rachel A Egler, Duncan S Stearns
RATIONALE: Hepatoblastoma is a rare malignancy. Approximately 100 cases are diagnosed yearly in the United States. The highest incidence occurs in infants and in children younger than 5 years. Cases involving patients older than 5 years are very rare. We describe the case of a patient who was diagnosed with hepatoblastoma at an atypical age of presentation for this type of malignancy. We also performed Ovid MEDLINE search for hepatoblastoma and epidemiology reports occurring in children between the ages of 5 and 18 years...
January 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28079175/interstitial-atoms-enable-joint-twinning-and-transformation-induced-plasticity-in-strong-and-ductile-high-entropy-alloys
#9
Zhiming Li, Cemal Cem Tasan, Hauke Springer, Baptiste Gault, Dierk Raabe
High-entropy alloys (HEAs) consisting of multiple principle elements provide an avenue for realizing exceptional mechanical, physical and chemical properties. We report a novel strategy for designing a new class of HEAs incorporating the additional interstitial element carbon. This results in joint activation of twinning- and transformation-induced plasticity (TWIP and TRIP) by tuning the matrix phase's instability in a metastable TRIP-assisted dual-phase HEA. Besides TWIP and TRIP, such alloys benefit from massive substitutional and interstitial solid solution strengthening as well as from the composite effect associated with its dual-phase structure...
January 12, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28078994/modulation-of-tumour-related-signaling-pathways-by-natural-pentacyclic-triterpenoids-and-their-semisynthetic-derivatives
#10
Andrey V Markov, Evgeniya B Logashenko, Marina A Zenkova
Pentacyclic triterpenoids are a large class of natural isoprenoids that are widely biosynthesized in higher plants. These compounds are potent anticancer agents that exhibit antiproliferative, antiangiogenic, antiinflammatory and proapoptotic activities. Although their effects on multiple pathways have been reported, unifying mechanisms of action have not yet been established. To date, a huge number of semisynthetic derivatives have been synthesized in different laboratories on the basis of triterpenoid scaffolds, and many have been assayed for their biological activities...
January 12, 2017: Current Medicinal Chemistry
https://www.readbyqxmd.com/read/28078709/expression-of-transcription-factors-divide-retinal-ganglion-cells-into-distinct-classes
#11
Neal T Sweeney, Kiely N James, Andreea Nistorica, Ryan M Lorig-Roach, David A Feldheim
Retinal ganglion cells (RGCs) are tasked with transmitting all light information from the eye to the retinal recipient areas of the brain. RGCs can be classified into many different types by morphology, gene expression, axonal projections, and functional responses to different light stimuli. Ultimately, these classification systems should be unified into an all-encompassing taxonomy. Toward that end, we show here that nearly all RGCs express either Islet-2, Tbr2 or a combination of Satb1and Satb2. We present gene expression data supporting the hypothesis that Satb1 and Satb2 are expressed in ON-OFF direction-selective (DS) RGCs, complementing our previous work demonstrating that RGCs that express Islet-2 and Tbr2 are non-DS and non-image-forming, respectively...
January 12, 2017: Journal of Comparative Neurology
https://www.readbyqxmd.com/read/28077490/improving-uniformity-in-brain-death-determination-policies-over-time
#12
Hilary H Wang, Panayiotis N Varelas, Galen V Henderson, Eelco F M Wijdicks, David M Greer
OBJECTIVE: To demonstrate that progress has been made in unifying brain death determination guidelines in the last decade by directly comparing the policies of the US News and World Report's top 50 ranked neurologic institutions from 2006 and 2015. METHODS: We solicited official hospital guidelines in 2015 from these top 50 institutions, generated summary statistics of their criteria as benchmarked against the American Academy of Neurology Practice Parameters (AANPP) and the comparison 2006 cohort in 5 key categories, and statistically compared the 2 cohorts' compliance with the AANPP...
January 11, 2017: Neurology
https://www.readbyqxmd.com/read/28077030/mortality-rates-in-oecd-countries-converged-during-the-period-1990-2010
#13
Sven G Bremberg
AIMS: Since the scientific revolution of the 18th century, human health has gradually improved, but there is no unifying theory that explains this improvement in health. Studies of macrodeterminants have produced conflicting results. Most studies have analysed health at a given point in time as the outcome; however, the rate of improvement in health might be a more appropriate outcome. METHODS: Twenty-eight OECD member countries were selected for analysis in the period 1990-2010...
January 1, 2017: Scandinavian Journal of Public Health
https://www.readbyqxmd.com/read/28076981/prenatal-drainage-of-fetal-urinoma-with-polyhydramnios-a-case-report-and-literature-review
#14
H J Zhang, H X Yang, Y Sun, L X Fan, X X Zhang
The appearance of fetal urinoma is rare in prenatal care, especially when associated with polyhydramnions. Many previous reports have concluded that the visualization of a prenatal urinoma is probably a sign of undelying renal dysplasia or poor function. Thus, the management of the reported cases, conservative treatment or uniroma drainage, has not been unified. In this paper, we present two cases of prenatally detected urinoma with prenatal drainage to improve the prognosis.
January 11, 2017: Journal of Maternal-fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/28076553/acupuncture-in-brazil-s-unified-health-system-an-analysis-based-on-different-health-management-tools
#15
Leandra Andréia de Sousa, Nelson Filice de Barros, Jéssica de Oliveira Pigari, Glaucia Tamburú Braghetto, Luciana Brondi Karpiuck, Maria José Bistafa Pereira
The integration of Integrative and Complementary Practices into public health systems has been the subject of national and international debate. In Brazil, the National Policy on Integrative and Complementary Practices guides the integration of acupuncture into the Unified Health System (UHS). This article explored the availability and/or accessibility of acupuncture in the UHS in 26 municipalities in the XIII Health Region of the State of São Paulo between 2001 and 2011, based on the analysis of Municipal Health Plans, Annual Management Reports and complementary data obtained from Information Systems...
January 2017: Ciência & Saúde Coletiva
https://www.readbyqxmd.com/read/28076552/perceptions-about-men-s-health-in-a-gender-relational-perspective-brazil-2014
#16
Erly Catarina de Moura, Romeu Gomes, Georgia Martins Carvalho Pereira
The goal of this article is to assess the perception of male health from the viewpoint of men and women. The study drew from a random sample of men aged 20 to 59 who were SUS (Unified Healthcare System) users and resided in the capitals of Brazilian states and the Federal District. Participants were interviewed by phone. Sociodemographic variables and variables related to perception of healthcare services, health status and health care were recorded. Logistic regression was used to assess failure to seek service and good and very good self-care...
January 2017: Ciência & Saúde Coletiva
https://www.readbyqxmd.com/read/28074777/cell-assemblies-at-multiple-time-scales-with-arbitrary-lag-constellations
#17
Eleonora Russo, Daniel Durstewitz
Hebb's idea of a cell assembly as the fundamental unit of neural information processing has dominated neuroscience like no other theoretical concept within the past 60 years. A range of different physiological phenomena, from precisely synchronized spiking to broadly simultaneous rate increases, has been subsumed under this term. Yet progress in this area is hampered by the lack of statistical tools that would enable to extract assemblies with arbitrary constellations of time lags, and at multiple temporal scales, partly due to the severe computational burden...
January 11, 2017: ELife
https://www.readbyqxmd.com/read/28074669/implementation-of-a-novel-ultra-fast-metabolic-stability-analysis-method-using-exact-mass-tof-ms
#18
Joseph D Manna, Samantha J Richardson, Mehran F Moghaddam
AIM: Increasing numbers of compounds requiring stability data means highly optimized methods capable of rapid turnaround are desirable during early discovery. Materials and methods/results: An advanced, generic analytical workflow for metabolic stability has been developed that utilizing ballistic gradient LC (sub 1 min run times), exact mass TOF-MS (Waters Xevo-G2-XS Q-TOF) and automated data processing (Waters UNIFI software) allowed for rapid integration and interpretation of all data produced, eliminating the need for method development and manual processing...
January 11, 2017: Bioanalysis
https://www.readbyqxmd.com/read/28072571/a-geometric-atlas-to-predict-lung-tumor-shrinkage-for-radiotherapy-treatment-planning
#19
Pengpeng Zhang, Andreas Rimner, Ellen Yorke, Yu-Chi Hu, Licheng Kuo, Aditya Apte, Natalie Lockney, Andrew Jackson, Gig Mageras, Joseph O Deasy
To develop a geometric atlas that can predict tumor shrinkage and guide treatment planning for non-small-cell lung cancer. To evaluate the impact of the shrinkage atlas on the ability of tumor dose escalation. The creation of a geometric atlas included twelve patients with lung cancer who underwent both planning CT and weekly CBCT for radiotherapy planning and delivery. The shrinkage pattern from the original pretreatment to the residual posttreatment tumor was modeled using a principal component analysis, and used for predicting the spatial distribution of the residual tumor...
January 10, 2017: Physics in Medicine and Biology
https://www.readbyqxmd.com/read/28070273/describing-and-understanding-behavioral-responses-to-multiple-stressors-and-multiple-stimuli
#20
REVIEW
Robin Hale, Jeremy J Piggott, Stephen E Swearer
Understanding the effects of environmental change on natural ecosystems is a major challenge, particularly when multiple stressors interact to produce unexpected "ecological surprises" in the form of complex, nonadditive effects that can amplify or reduce their individual effects. Animals often respond behaviorally to environmental change, and multiple stressors can have both population-level and community-level effects. However, the individual, not combined, effects of stressors on animal behavior are commonly studied...
January 2017: Ecology and Evolution
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