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https://www.readbyqxmd.com/read/28821958/midlife-work-related-stress-is-associated-with-late-life-cognition
#1
Shireen Sindi, Ingemar Kåreholt, Alina Solomon, Babak Hooshmand, Hilkka Soininen, Miia Kivipelto
To investigate the associations between midlife work-related stress and late-life cognition in individuals without dementia from the general population. The Cardiovascular Risk Factors, Aging and Dementia (CAIDE) study population (n = 2000) was randomly selected from independent Finnish population-based surveys (baseline mean age 50 years). Participants underwent two re-examinations in late life (mean age 71 and 78 years, respectively). 1511 subjects participated in at least one re-examination (mean total follow-up 25 years)...
August 18, 2017: Journal of Neurology
https://www.readbyqxmd.com/read/28815625/association-of-transcallosal-motor-fibres-with-function-of-both-hands-after-unilateral-neonatal-arterial-ischemic-stroke
#2
Samuel Groeschel, Lucie Hertz-Pannier, Matthieu Delion, Sébastien Loustau, Béatrice Husson, Manoelle Kossorotoff, Cyrille Renaud, Sylvie Nguyen The Tich, Stéphane Chabrier, Mickael Dinomais
AIM: The objective of this study was to investigate the involvement of the motor fibres of the corpus callosum after unilateral neonatal arterial ischemic stroke (NAIS) of the middle cerebral artery territory and the relationship to both ipsilesional and contralesional hand function. METHOD: Using high-resolution structural magnetic resonance imaging (MRI), functional MRI, and magnetic resonance diffusion-tractography, we compared the midsagittal area of the motor part of the corpus callosum (defined by the fibres connecting the precentral gyri) between 33 7-year-old children after unilateral NAIS and 31 typically developing 7-year-old children...
August 17, 2017: Developmental Medicine and Child Neurology
https://www.readbyqxmd.com/read/28815132/precision-diagnosis-of-melanoma-and-other-skin-lesions-from-digital-images
#3
Abhishek Bhattacharya, Albert Young, Andrew Wong, Simone Stalling, Maria Wei, Dexter Hadley
Melanoma will affect an estimated 73,000 new cases this year and result in 9,000 deaths, yet precise diagnosis remains a serious problem. Without early detection and preventative care, melanoma can quickly spread to become fatal (Stage IV 5-year survival rate is 20-10%) from a once localized skin lesion (Stage IA 5- year survival rate is 97%). There is no biomarker for melanoma in clinical use, and the current diagnostic criteria for skin lesions remains subjective and imprecise. Accurate diagnosis of melanoma relies on a histopathologic gold standard; thus, aggressive excision of melanocytic skin lesions has been the mainstay of treatment...
2017: AMIA Summits on Translational Science Proceedings
https://www.readbyqxmd.com/read/28810960/talk-to-the-hand-u-s-army-biophysical-testing
#4
William R Santee, Adam W Potter, Karl E Friedl
BACKGROUND: Many people are unaware of the science underlying the biophysical properties of Soldier clothing and personal protective equipment, yet there is a well-refined biomedical methodology initiated by Army physiologists in World War II. This involves a methodical progression of systematic material testing technologies, computer modeling, and human testing that enables more efficient development and rapid evaluation of new concepts for Soldier health and performance. Sophisticated manikins that sweat and move are a central part of this testing continuum...
July 2017: Military Medicine
https://www.readbyqxmd.com/read/28800429/bimanual-coordination-positively-predicts-episodic-memory-a-combined-behavioral-and-mri-investigation
#5
Keith B Lyle, Brynn A Dombroski, Leonard Faul, Robin F Hopkins, Farah Naaz, Andrew E Switala, Brendan E Depue
Some people remember events more completely and accurately than other people, but the origins of individual differences in episodic memory are poorly understood. One way to advance understanding is by identifying characteristics of individuals that reliably covary with memory performance. Recent research suggests motor behavior is related to memory performance, with individuals who consistently use a single preferred hand for unimanual actions performing worse than individuals who make greater use of both hands...
August 8, 2017: Brain and Cognition
https://www.readbyqxmd.com/read/28799444/the-msoac-approach-to-developing-performance-outcomes-to-measure-and-monitor-multiple-sclerosis-disability
#6
Nicholas G LaRocca, Lynn D Hudson, Richard Rudick, Dagmar Amtmann, Laura Balcer, Ralph Benedict, Robert Bermel, Ih Chang, Nancy D Chiaravalloti, Peter Chin, Jeffrey A Cohen, Gary R Cutter, Mat D Davis, John DeLuca, Peter Feys, Gordon Francis, Myla D Goldman, Emily Hartley, Raj Kapoor, Fred Lublin, Gary Lundstrom, Paul M Matthews, Nancy Mayo, Richard Meibach, Deborah M Miller, Robert W Motl, Ellen M Mowry, Rob Naismith, Jon Neville, Jennifer Panagoulias, Michael Panzara, Glenn Phillips, Ann Robbins, Matthew F Sidovar, Kathryn E Smith, Bjorn Sperling, Bernard Mj Uitdehaag, Jerry Weaver
BACKGROUND: The Multiple Sclerosis Outcome Assessments Consortium (MSOAC) was formed by the National MS Society to develop improved measures of multiple sclerosis (MS)-related disability. OBJECTIVES: (1) To assess the current literature and available data on functional performance outcome measures (PerfOs) and (2) to determine suitability of using PerfOs to quantify MS disability in MS clinical trials. METHODS: (1) Identify disability dimensions common in MS; (2) conduct a comprehensive literature review of measures for those dimensions; (3) develop an MS Clinical Data Interchange Standards Consortium (CDISC) data standard; (4) create a database of standardized, pooled clinical trial data; (5) analyze the pooled data to assess psychometric properties of candidate measures; and (6) work with regulatory agencies to use the measures as primary or secondary outcomes in MS clinical trials...
August 1, 2017: Multiple Sclerosis: Clinical and Laboratory Research
https://www.readbyqxmd.com/read/28791721/cortical-control-of-object-specific-grasp-relies-on-adjustments-of-both-activity-and-effective-connectivity-a-common-marmoset-study
#7
Banty Tia, Mitsuaki Takemi, Akito Kosugi, Elisa Castagnola, Alberto Ansaldo, Takafumi Nakamura, Davide Ricci, Junichi Ushiba, Luciano Fadiga, Atsushi Iriki
The cortical mechanisms of grasping have been extensively studied in macaques and humans. Here, we investigated whether common marmosets could rely on similar mechanisms despite striking differences in manual dexterity. Two common marmosets were trained to grasp-and-pull three objects eliciting different hand configurations: whole-hand, finger and scissor grips. The animals were then chronically implanted with 64-channel electrocorticogram arrays positioned over the left premotor, primary motor and somatosensory cortex...
August 9, 2017: Journal of Physiology
https://www.readbyqxmd.com/read/28774483/clinical-relevance-commentary-in-response-to-effectiveness-of-a-fine-motor-skills-rehabilitation-program-on-upper-limb-disability-manual-dexterity-pinch-strength-range-of-finger-motion-performance-in-activities-of-daily-living-functional-independence-and-general
#8
https://www.readbyqxmd.com/read/28764752/facilitated-interprofessional-implementation-of-a-physical-rehabilitation-guideline-for-stroke-in-inpatient-settings-process-evaluation-of-a-cluster-randomized-trial
#9
Nancy M Salbach, Sharon Wood-Dauphinee, Johanne Desrosiers, Janice J Eng, Ian D Graham, Susan B Jaglal, Nicol Korner-Bitensky, Marilyn MacKay-Lyons, Nancy E Mayo, Carol L Richards, Robert W Teasell, Merrick Zwarenstein, Mark T Bayley
BACKGROUND: The Stroke Canada Optimization of Rehabilitation by Evidence-Implementation Trial (SCORE-IT) showed that a facilitated knowledge translation (KT) approach to implementing a stroke rehabilitation guideline was more likely than passive strategies to improve functional walking capacity, but not gross manual dexterity, among patients in rehabilitation hospitals. This paper presents the results of a planned process evaluation designed to assess whether the type and number of recommended treatments implemented by stroke teams in each group would help to explain the results related to patient outcomes...
August 1, 2017: Implementation Science: IS
https://www.readbyqxmd.com/read/28757318/new-treatment-option-for-copd-two-long-acting-bronchodilators-in-a-single-metered-dose-inhaler
#10
REVIEW
Timothy H Self, Samantha Ellingson
Combination long-acting inhaled bronchodilators are central to the management of moderate to very severe chronic obstructive pulmonary disease (COPD) patients. Glycopyrrolate is a long-acting muscarinic antagonist (LAMA), and formoterol fumarate is a long-acting beta2 agonist (LABA). In randomized controlled trials, this LAMA/LABA combination in a metered dose inhaler (MDI) was shown to be effective in improving pulmonary function and quality of life. Clinicians now have the availability of three delivery systems for LAMA/LABA therapy, including MDI, dry-powder inhaler, and Soft Mist inhaler...
July 27, 2017: American Journal of Medicine
https://www.readbyqxmd.com/read/28756412/heartfelt-images-learning-cardiac-science-artistically
#11
Carol Ann Courneya
There are limited curricular options for medical students to engage in art-making during their training. Yet, it is known that art-making confers a variety of benefits related to learning. This qualitative study utilises a visual methodology to explore students' art-making in the context of the cardiovascular sciences. The existence of a multiyear repository of medical/dental student generated, cardiac-inspired art, collected over 6 years, provided the opportunity to explore the nature of the art made. The aim was to categorise the art produced, as well as the depth and breadth of understanding required to produce the art...
July 29, 2017: Medical Humanities
https://www.readbyqxmd.com/read/28756048/frailty-assessments-in-surgical-practice-what-is-frailty-and-how-can-it-be-used-in-prosthetic-health
#12
REVIEW
Matthew S Brennan, Ryan M Barlotta, Jay Simhan
INTRODUCTION: Surgical frailty is a previously unrecognized clinical entity that objectifies a multiorgan decrease in physiologic reserve in those undergoing surgery. Although penile implantation has been demonstrated to be an effective means of restoring erectile function in patients whose previous conservative measures have failed, there are limited data regarding the assessment of frailty in patients undergoing penile implantation. AIM: To review the various objective methods used to describe surgical frailty in medical and surgical disciplines, report on methodologies of frailty assessment, and discuss the relevance of surgical frailty in the preoperative evaluation of patients undergoing implantation of an inflatable penile prosthesis...
July 26, 2017: Sexual Medicine Reviews
https://www.readbyqxmd.com/read/28751609/control-of-species-dependent-cortico-motoneuronal-connections-underlying-manual-dexterity
#13
Zirong Gu, John Kalamboglas, Shin Yoshioka, Wenqi Han, Zhuo Li, Yuka Imamura Kawasawa, Sirisha Pochareddy, Zhen Li, Fuchen Liu, Xuming Xu, Sagara Wijeratne, Masaki Ueno, Emily Blatz, Joseph Salomone, Atsushi Kumanogoh, Mladen-Roko Rasin, Brian Gebelein, Matthew T Weirauch, Nenad Sestan, John H Martin, Yutaka Yoshida
Superior manual dexterity in higher primates emerged together with the appearance of cortico-motoneuronal (CM) connections during the evolution of the mammalian corticospinal (CS) system. Previously thought to be specific to higher primates, we identified transient CM connections in early postnatal mice, which are eventually eliminated by Sema6D-PlexA1 signaling. PlexA1 mutant mice maintain CM connections into adulthood and exhibit superior manual dexterity as compared with that of controls. Last, differing PlexA1 expression in layer 5 of the motor cortex, which is strong in wild-type mice but weak in humans, may be explained by FEZF2-mediated cis-regulatory elements that are found only in higher primates...
July 28, 2017: Science
https://www.readbyqxmd.com/read/28749410/awareness-of-the-risk-of-exposure-to-infectious-material-and-the-behaviors-of-polish-paramedics-with-respect-to-the-hazards-from-blood-borne-pathogens-a-nationwide-study
#14
Anna Garus-Pakowska, Mariusz Górajski, Franciszek Szatko
(1) Background: To determine paramedics' frequency of contact with blood and other body fluids, as well as the analysis of knowledge of paramedics about blood-borne infections, their attitudes to patients infected with blood-borne viruses, and the post-exposure procedures implemented by paramedics; (2) Methods: An anonymous questionnaire among 190 paramedics working in various health care facilities in Poland (adjusted response rate, 76.3%); (3) Results: 78% of paramedics had contact with potentially infectious material at least several times a week...
July 27, 2017: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/28744066/effects-of-robot-assisted-training-for-the-unaffected-arm-in-patients-with-hemiparetic-cerebral-palsy-a-proof-of-concept-pilot-study
#15
Alessandro Picelli, Elisabetta La Marchina, Antonella Vangelista, Elena Chemello, Angela Modenese, Marialuisa Gandolfi, Elisa Francesca Maria Ciceri, Alessandra Bucci, Giada Zoccatelli, Leopold Saltuari, Andreas Waldner, Alessio Baricich, Andrea Santamato, Nicola Smania
On a voluntary basis, 10 adolescents with hemiparesis due to cerebral palsy and 11 neurologically healthy control subjects participated in this proof-of-concept pilot study. The aim was to examine the effects of robot-assisted training for the unaffected arm in patients with hemiparetic cerebral palsy. Baseline comparison between the unaffected arm of the hemiparetic patients with cerebral palsy and the dominant arm of healthy control subjects showed significant differences on the Jebsen-Taylor Hand Function test and action planning ability tests...
2017: Behavioural Neurology
https://www.readbyqxmd.com/read/28740470/manual-dexterity-in-schizophrenia-a-neglected-clinical-marker
#16
Maxime Térémetz, Loïc Carment, Lindsay Brénugat-Herne, Marta Croca, Jean-Pierre Bleton, Marie-Odile Krebs, Marc A Maier, Isabelle Amado, Påvel G Lindberg
Impaired manual dexterity is commonly observed in schizophrenia. However, a quantitative description of key sensorimotor components contributing to impaired dexterity is lacking. Whether the key components of dexterity are differentially affected and how they relate to clinical characteristics also remains unclear. We quantified the degree of dexterity in 35 stabilized patients with schizophrenia and in 20 age-matched control subjects using four visuomotor tasks: (i) force tracking to quantify visuomotor precision, (ii) sequential finger tapping to measure motor sequence recall, (iii) single-finger tapping to assess temporal regularity, and (iv) multi-finger tapping to measure independence of finger movements...
2017: Frontiers in Psychiatry
https://www.readbyqxmd.com/read/28729058/impacts-of-sensation-perception-and-motor-abilities-of-the-ipsilesional-upper-limb-on-hand-functions-in-unilateral-stroke-quantifications-from-biomechanical-and-functional-perspectives
#17
Hsiu-Yun Hsu, Chia-Wen Ke, Ta-Shen Kuan, Hsiu-Ching Yang, Ching-Liang Tsai, Li-Chieh Kuo
BACKGROUND: The presence of subtle losses in hand dexterity after stroke affects the regaining of independence with regard to activities of daily living. Therefore, awareness of ipsilesional upper extremity (UE) function may be of importance when developing a comprehensive rehabilitation program. However, current hand function tests seem to be unable to identify asymptomatic UE impairments. OBJECTIVES: To assess the motor coordination as well as the sensory perception of an ipsilesional UE using biomechanical analysis of performance-oriented tasks and conducting a Manual Tactile Test (MTT)...
July 17, 2017: PM & R: the Journal of Injury, Function, and Rehabilitation
https://www.readbyqxmd.com/read/28718354/mercury-induced-motor-and-sensory-neurotoxicity-systematic-review-of-workers-currently-exposed-to-mercury-vapor
#18
Cheryl A Fields, Jonathan Borak, Elan D Louis
The neurotoxicity of elemental mercury (Hg(0)) is well-recognized, but it is uncertain whether and for how long neurotoxicity persists; among studies that evaluated previously exposed workers, only one examined workers during and also years after exposure ceased. The aim of this review is to document the type, frequency, and dose-relatedness of objective neurological effects in currently exposed mercury workers and thereby provide first approximations of the effects one would have expected in previously exposed workers evaluated during exposure...
July 18, 2017: Critical Reviews in Toxicology
https://www.readbyqxmd.com/read/28688836/a-framework-for-identifying-the-adaptations-responsible-for-differences-in-pegboard-times-between-middle-aged-and-older-adults
#19
Landon D Hamilton, Ewan Thomas, Awad M Almuklass, Roger M Enoka
Time to complete two tests of manual dexterity, the 9-hole Peg Test and Grooved Pegboard Test, increases with advancing age. However, the adaptations responsible for the differences in pegboard times between middle-aged and older adults are largely unknown. Potential mechanisms include neuromuscular characteristics, cognitive function, and cutaneous sensation. To provide a tractable framework to address these gaps in knowledge, the purpose of the current study was to identify the latent variables underlying age-associated differences in time to complete the 9-hole and grooved pegboard tests...
July 6, 2017: Experimental Gerontology
https://www.readbyqxmd.com/read/28660096/da-vinci-xi-robot-assisted-penetrating-keratoplasty
#20
Jimmy Chammas, Arnaud Sauer, Joëlle Pizzuto, Fabienne Pouthier, David Gaucher, Jacques Marescaux, Didier Mutter, Tristan Bourcier
PURPOSE: This study aims (1) to investigate the feasibility of robot-assisted penetrating keratoplasty (PK) using the new Da Vinci Xi Surgical System and (2) to report what we believe to be the first use of this system in experimental eye surgery. METHODS: Robot-assisted PK procedures were performed on human corneal transplants using the Da Vinci Xi Surgical System. After an 8-mm corneal trephination, four interrupted sutures and one 10.0 monofilament running suture were made...
June 2017: Translational Vision Science & Technology
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