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https://www.readbyqxmd.com/read/29790792/dorsal-plating-for-intra-articular-middle-phalangeal-base-fractures-with-volar-instability
#1
Travis A Doering, Andrew S Greenberg, David V Tuckman
BACKGROUND: Intra-articular middle phalangeal base fractures with volar instability are rare injuries with scant literature on optimal management. Our purpose is to describe our method of dorsal plating and report postoperative outcomes. METHODS: This study is a retrospective case review of 5 patients with intra-articular middle phalangeal base fractures with volar proximal interphalangeal joint instability, measuring subjective, clinical, and radiographic outcomes...
May 1, 2018: Hand: Official Journal of the American Association for Hand Surgery
https://www.readbyqxmd.com/read/29790729/prenatal-phthalates-maternal-thyroid-function-and-risk-of-attention-deficit-hyperactivity-disorder-in-the-norwegian-mother-and-child-cohort
#2
Stephanie M Engel, Gro D Villanger, Rachel C Nethery, Cathrine Thomsen, Amrit K Sakhi, Samantha S M Drover, Jane A Hoppin, Pal Zeiner, Gun Peggy Knudsen, Ted Reichborn-Kjennerud, Amy H Herring, Heidi Aase
BACKGROUND: There is growing concern that phthalate exposures may have an impact on child neurodevelopment. Prenatal exposure to phthalates has been linked with externalizing behaviors and executive functioning defects suggestive of an attention-deficit hyperactivity disorder (ADHD) phenotype. OBJECTIVES: We undertook an investigation into whether prenatal exposure to phthalates was associated with clinically confirmed ADHD in a population-based nested case-control study of the Norwegian Mother and Child Cohort (MoBa) between the years 2003 and 2008...
May 10, 2018: Environmental Health Perspectives
https://www.readbyqxmd.com/read/29790237/towards-a-new-classification-of-stable-phase-schizophrenia-into-major-and-simple-neuro-cognitive-psychosis-results-of-unsupervised-machine-learning-analysis
#3
Buranee Kanchanatawan, Sira Sriswasdi, Supaksorn Thika, Drozdstoy Stoyanov, Sunee Sirivichayakul, André F Carvalho, Michel Geffard, Michael Maes
RATIONALE: Deficit schizophrenia, as defined by the Schedule for Deficit Syndrome, may represent a distinct diagnostic class defined by neurocognitive impairments coupled with changes in IgA/IgM responses to tryptophan catabolites (TRYCATs). Adequate classifications should be based on supervised and unsupervised learning rather than on consensus criteria. METHODS: This study used machine learning as means to provide a more accurate classification of patients with stable phase schizophrenia...
May 23, 2018: Journal of Evaluation in Clinical Practice
https://www.readbyqxmd.com/read/29790082/chronic-administration-of-pimozide-fails-to-attenuate-motor-and-pathological-deficits-in-two-mouse-models-of-amyotrophic-lateral-sclerosis
#4
Silvia Pozzi, Sai Sampath Thammisetty, Jean-Pierre Julien
Amyotrophic lateral sclerosis (ALS) is a fatal neurodegenerative disease which presently does not have any efficient therapeutic approach. Pimozide, a Food and Drug Administration (FDA)-approved neuroepileptic drug, has been recently proposed as a promising treatment for ALS patients based on apparent stabilization of right hand muscles after a short-time administration. A new clinical trial started at the end of 2017 to recruit patients with a prolonged drug delivery schedule. Here, our aim was to investigate the effects of chronic administration of pimozide on disease progression and pathological events in two mouse models of ALS...
May 22, 2018: Neurotherapeutics: the Journal of the American Society for Experimental NeuroTherapeutics
https://www.readbyqxmd.com/read/29789914/correlation-based-perfusion-mapping-using-time-resolved-mr-angiography-a-feasibility-study-for-patients-with-suspicions-of-steno-occlusive-craniocervical-arteries
#5
Yoonho Nam, Jinhee Jang, Sonya Youngju Park, Hyun Seok Choi, So-Lyung Jung, Kook-Jin Ahn, Bum-Soo Kim
PURPOSE: To explore the feasibility of using correlation-based time-delay (CTD) maps produced from time-resolved MR angiography (TRMRA) to diagnose perfusion abnormalities in patients suspected to have steno-occlusive lesions in the craniocervical arteries. MATERIALS AND METHODS: Twenty-seven patients who were suspected to have steno-occlusive lesions in the craniocervical arteries underwent both TRMRA and brain single-photon emission computed tomography (SPECT)...
May 22, 2018: European Radiology
https://www.readbyqxmd.com/read/29789575/tamoxifen-induced-knockdown-of-the-mitochondrial-calcium-uniporter-in-thy1-expressing-neurons-protects-mice-from-hypoxic-ischemic-brain-injury
#6
Matthew Nichols, Evgeny V Pavlov, George S Robertson
The mitochondrial calcium uniporter (MCU) mediates high-capacity mitochondrial calcium uptake that stimulates energy production. However, excessive MCU activity can cause ischemic heart injury. To examine if the MCU is also involved in hypoxic/ischemic (HI) brain injury, we have generated conditional MCU knockout mice by tamoxifen (TMX) administration to adult MCU-floxed (MCUfl/fl ) mice expressing a construct encoding Thy1-cre/ERT2-eYFP. Relative to TMX/Thy1-cre/ERT2-eYFP controls, HI-induced sensorimotor deficits, forebrain neuron loss and mitochondrial damage were decreased for conditional MCU knockout mice...
May 22, 2018: Cell Death & Disease
https://www.readbyqxmd.com/read/29788464/confucian-values-as-a-buffer-against-age-based-stereotype-threat-for-chinese-older-adults
#7
Shyuan Ching Tan, Sarah J Barber
Objectives: Research has shown that stereotype threat can impair older adults' memory in Western cultures. We tested whether this also occurs for older adults from the East Asian Chinese culture. We also tested whether an intervention that highlighted Confucian principles would protect Chinese older adults from stereotype threat's detrimental effects. Method : Culturally-Chinese older adults residing in the United States completed a memory test either under age-based stereotype threat about cognitive decline or not...
May 16, 2018: Journals of Gerontology. Series B, Psychological Sciences and Social Sciences
https://www.readbyqxmd.com/read/29788087/a-murine-frailty-index-based-on-clinical-and-laboratory-measurements-links-between-frailty-and-pro-inflammatory-cytokines-differ-in-a-sex-specific-manner
#8
Alice E Kane, Kaitlyn M Keller, Stefan Heinze-Milne, Scott A Grandy, Susan E Howlett
A frailty index based on clinical deficit accumulation (FI-Clinical) quantifies frailty in aging mice. We aimed to develop a laboratory test-based murine FI tool (FI-Lab) and to investigate the effects of age and sex on FI-Lab scores, FI-Clinical scores and the combination (FI-Combined), as well as to explore links between frailty and inflammation. Studies used older (17 & 23-months) C57BL/6 mice of both sexes. We developed an FI-Lab (blood pressure, blood chemistry, echocardiography) based on deviation from reference values in younger adults (12 months), which showed similar characteristics to a human FI-Lab tool...
May 18, 2018: Journals of Gerontology. Series A, Biological Sciences and Medical Sciences
https://www.readbyqxmd.com/read/29787803/quality-of-life-and-functional-assessment-of-facial-palsy-patients-a-questionnaire-study
#9
Eva Györi, Christopher Przestrzelski, Igor Pona, Michael Hagmann, Thomas Rath, Christine Radtke, Chieh-Han John Tzou
BACKGROUND: Facial palsy leads to functional and aesthetic deficits, which impair the quality of life of affected patients. General health-related and disease-specific questionnaires are available for quality of life assessment. In this study, observer-based analysis of facial function (Sunnybrook Facial Grading Scale) was compared patient-based to facial palsy-specific gradings (Facial Clinimetric Evaluation Scale and Facial Disability Index), and general health-related quality of life questionnaires (SF-36)...
May 19, 2018: International Journal of Surgery
https://www.readbyqxmd.com/read/29787785/junior-temperament-character-inventory-together-with-quantitative-eeg-discriminate-children-with-attention-deficit-hyperactivity-disorder-combined-subtype-from-children-with-attention-deficit-hyperactivity-disorder-combined-subtype-plus-oppositional-defiant
#10
Giuseppe A Chiarenza, Stefania Villa, Lidice Galan, Pedro Valdes-Sosa, Jorge Bosch-Bayard
Oppositional defiant disorder (ODD) is frequently associated with Attention Deficit Hyperactivity Disorder (ADHD) but no clear neurophysiological evidence exists that distinguishes the two groups. Our aim was to identify biomarkers that distinguish children with Attention Deficit Hyperactivity Disorder combined subtype (ADHD_C) from children with ADHD_C + ODD, by combining the results of quantitative EEG (qEEG) and the Junior Temperament Character Inventory (JTCI). 28 ADHD_C and 22 ADHD_C + ODD children who met the DSMV criteria participated in the study...
May 19, 2018: International Journal of Psychophysiology
https://www.readbyqxmd.com/read/29786072/mptp-driven-nlrp3-inflammasome-activation-in-microglia-plays-a-central-role-in-dopaminergic-neurodegeneration
#11
Eunju Lee, Inhwa Hwang, Sangjun Park, Sujeong Hong, Boreum Hwang, Yoeseph Cho, Junghyun Son, Je-Wook Yu
Parkinson's disease (PD) is a progressive neurodegenerative disease characterized by the loss of dopaminergic neurons in the substantia nigra (SN) and the reduction of dopamine levels in the striatum. Although details of the molecular mechanisms underlying dopaminergic neuronal death in PD remain unclear, neuroinflammation is also considered a potent mediator in the pathogenesis and progression of PD. In the present study, we present evidences that microglial NLRP3 inflammasome activation is critical for dopaminergic neuronal loss and the subsequent motor deficits in the 1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine (MPTP) mouse model of PD...
May 21, 2018: Cell Death and Differentiation
https://www.readbyqxmd.com/read/29785838/learning-and-processing-abstract-words-and-concepts-insights-from-typical-and-atypical-development
#12
Gabriella Vigliocco, Marta Ponari, Courtenay Norbury
The paper describes two plausible hypotheses concerning the learning of abstract words and concepts. According to a first hypothesis, children would learn abstract words by extracting co-occurrences among words in linguistic input, using, for example, mechanisms as described by models of Distributional Semantics. According to a second hypothesis, children would exploit the fact that abstract words tend to have more emotional associations than concrete words to infer that they refer to internal/mental states...
May 21, 2018: Topics in Cognitive Science
https://www.readbyqxmd.com/read/29785584/interferon-free-therapy-in-hepatitis-c-virus-hcv-monoinfected-and-hcv-hiv-coinfected-patients-effect-on-cognitive-function-fatigue-and-mental-health
#13
Felix Kleefeld, Sophie Heller, Patrick Ingiliz, Heiko Jessen, Anders Petersen, Ute Kopp, Antje Kraft, Katrin Hahn
The efficacy and safety of interferon-free therapies for hepatitis C virus (HCV) infection have been reported. Considering the accumulating evidence for a direct central nervous system infection by HCV, we aim to evaluate the effect of direct acting antivirals (DAA) therapy on cognitive function in HCV patients. We conducted a longitudinal analysis of the cognitive performance of 22 patients (8 HCV+, 14 HCV+/HIV+) who completed neuropsychological testing at baseline and at week 12 after DAA therapy. In 20 patients, we analyzed specific attention parameters derived from an experimental testing based on the Theory of Visual Attention (TVA)...
May 21, 2018: Journal of Neurovirology
https://www.readbyqxmd.com/read/29785533/stressful-life-events-adhd-symptoms-and-brain-structure-in-early-adolescence
#14
Kathryn L Humphreys, Emily L Watts, Emily L Dennis, Lucy S King, Paul M Thompson, Ian H Gotlib
Despite a growing understanding that early adversity in childhood broadly affects risk for psychopathology, the contribution of stressful life events to the development of symptoms of attention-deficit/hyperactivity disorder (ADHD) is not clear. In the present study, we examined the association between number of stressful life events experienced and ADHD symptoms, assessed using the Attention Problems subscale of the Child Behavior Checklist, in a sample of 214 children (43% male) ages 9.11-13.98 years (M = 11...
May 21, 2018: Journal of Abnormal Child Psychology
https://www.readbyqxmd.com/read/29785117/mesenchymal-stem-cell-transplantation-as-an-effective-treatment-strategy-for-ischemic-stroke-in-asia-a-meta-analysis-of-controlled-trials
#15
Ping Xue, Min Wang, Guanhua Yan
Objective: The aim of this study was to evaluate the efficacy and safety of the mesenchymal stem cell (MSC) therapy in patients with ischemic stroke (IS). Materials and methods: Clinical trials involved in this research were searched from PubMed, Web of Science, Cochrane Library, Embase, Wanfang and CNKI database. Therapeutic effects of MSC therapy were assessed according to National Institutes of Health Stroke Scale (NIHSS), Barthel index (BI), Fugl-Meyer Assessment (FMA) and Functional Independence Measure (FIM), and its safety was evaluated based on adverse events...
2018: Therapeutics and Clinical Risk Management
https://www.readbyqxmd.com/read/29783160/children-s-sleep-problems-are-associated-with-poorer-student-teacher-relationship-quality
#16
Alex S Holdaway, Stephen P Becker
OBJECTIVE: Children's sleep problems are associated with poorer student functioning in the school environment, including impairment in peer relationships; yet, no studies have examined sleep functioning in relation to the student-teacher relationship. The objective of this study was to examine whether child-rated total sleep problems or specific sleep problem domains (bedtime problems, nighttime problems, or daytime sleepiness) were associated with teacher-rated student-teacher closeness and conflict after controlling for student mental health symptoms known to be associated with both greater sleep problems and poorer student-teacher relationship quality...
December 20, 2017: Sleep Medicine
https://www.readbyqxmd.com/read/29783079/altered-neural-encoding-of-prediction-errors-in-assault-related-posttraumatic-stress-disorder
#17
Marisa C Ross, Jennifer K Lenow, Clinton D Kilts, Josh M Cisler
Posttraumatic stress disorder (PTSD) is widely associated with deficits in extinguishing learned fear responses, which relies on mechanisms of reinforcement learning (e.g., updating expectations based on prediction errors). However, the degree to which PTSD is associated with impairments in general reinforcement learning (i.e., outside of the context of fear stimuli) remains poorly understood. Here, we investigate brain and behavioral differences in general reinforcement learning between adult women with and without a current diagnosis of PTSD...
May 12, 2018: Journal of Psychiatric Research
https://www.readbyqxmd.com/read/29782369/neuroimaging-in-epilepsy
#18
Meneka Kaur Sidhu, John S Duncan, Josemir W Sander
PURPOSE OF REVIEW: Epilepsy neuroimaging is important for detecting the seizure onset zone, predicting and preventing deficits from surgery and illuminating mechanisms of epileptogenesis. An aspiration is to integrate imaging and genetic biomarkers to enable personalized epilepsy treatments. RECENT FINDINGS: The ability to detect lesions, particularly focal cortical dysplasia and hippocampal sclerosis, is increased using ultra high-field imaging and postprocessing techniques such as automated volumetry, T2 relaxometry, voxel-based morphometry and surface-based techniques...
May 17, 2018: Current Opinion in Neurology
https://www.readbyqxmd.com/read/29782328/post-stroke-visual-neglect-affects-goal-directed-locomotion-in-different-perceptuo-cognitive-conditions-and-on-a-wide-visual-spectrum
#19
Tatiana Ogourtsova, Philippe S Archambault, Anouk Lamontagne
BACKGROUND: Unilateral spatial neglect (USN), a highly prevalent and disabling post-stroke deficit, has been shown to affect the recovery of locomotion. However, our current understanding of USN role in goal-directed locomotion control, and this, in different cognitive/perceptual conditions tapping into daily life demands, is limited. OBJECTIVES: To examine goal-directed locomotion abilities in individuals with and without post-stroke USN vs. healthy controls. METHODS: Participants (n = 45, n = 15 per group) performed goal-directed locomotion trials to actual, remembered and shifting targets located 7 m away at 0° and 15° right/left while immersed in a 3-D virtual environment...
2018: Restorative Neurology and Neuroscience
https://www.readbyqxmd.com/read/29782257/-deficit-of-magnesium-and-states-of-hypercoagulation-intellectual-analysis-of-data-obtained-from-a-sample-of-patients-aged-18-50-years-from-medical-and-preventive-facilities-in-russia
#20
O A Gromova, I Y Torshin, Z D Kobalava, M A Sorokina, S V Villevalde, S A Galochkin, I V Gogoleva, O N Gracheva, T R Grishina, A N Gromov, E Y Egorova, A G Kalacheva, S I Malyavskaya, I A Meraĭ, V A Semenov
The states characterized by pronounced hypercoagulable components (deep vein thrombosis, cardio- and cerebro-vascular pathologies) are caused by multiple pathophysiological factors, including insufficient supply of magnesium (Mg) and other micronutrients. AIM: to present results of analysis of the Institute of Microelements Data Base (IMDB) performed from point of view of interrelationships of Mg deficit and hypercoagulable states in adults treated in medico-preventive facilities of Central, Northwestern, Northern, and Siberian federal districts of Russia...
April 2018: Kardiologiia
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