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https://www.readbyqxmd.com/read/28444253/fear-of-falling-in-people-with-multiple-sclerosis-which-clinical-characteristics-are-important
#1
Hanan Khalil, Alham Al-Shorman, Khalid El-Salem, Nour Abdo, Alia A Alghwiri, Aseel Aburub, Sarah Shalabi, Firas Al-Mustafa
Background.: Fear of falling (FOF) is an important risk indicator for health related outcomes and quality of life in patients with multiple sclerosis (MS). However, factors associated with FOF in MS are not well investigated. Objectives.: This study was done to explore predictors of FOF in this population. Methods.: Seventy relapsing remitting patients with MS were evaluated. FOF was assessed using Fall Efficacy Scale-International (FES-I)...
April 21, 2017: Physical Therapy
https://www.readbyqxmd.com/read/28443683/redox-signaling-mediated-by-the-thioredoxin-and-glutathione-systems-in-the-central-nervous-system
#2
Xiaoyuan Ren, Lili Zou, Xu Zhang, Vasco Branco, Jun Wang, Cristina Carvalho, Arne Holmgren, Jun Lu
SIGNIFICANCE: The thioredoxin (Trx) and glutathione (GSH) systems play important roles in maintaining the redox balance in the brain, a tissue that is prone to oxidative stress due to its high energy demand. These two disulfide reductase systems are active in various areas of the brain, and are considered to be the critical antioxidant systems in the central nervous system (CNS). Various neuronal disorders have been characterized to have imbalanced redox homeostasis. Recent Advances: In addition to their detrimental effects, recent studies have highlighted that reactive oxygen/nitrogen species (ROS/RNS) act as critical signaling molecules by modifying thiols in proteins...
April 26, 2017: Antioxidants & Redox Signaling
https://www.readbyqxmd.com/read/28442247/regional-enrichment-analyses-on-genetic-profiles-for-schizophrenia-and-bipolar-disorder
#3
Jingyu Liu, Jiayu Chen, Nora I Perrone-Bizzozero, Jessica A Turner, Vince D Calhoun
Both schizophrenia (SZ) and bipolar disorder (BD) are highly heritable psychiatric disorders. The significant genomic risk loci are of great importance but with no guarantee of known functional impact and they cannot totally explain the genetic inheritance. In this study we present regional enrichment analyses across the genome, aiming to strike a balance between individual risk loci and integrated regional effects. Chromosomes were partitioned into 2 million base-pair regions (indicated by an underscore sign in the cytogenetic bands) on which enrichment tests are performed...
April 22, 2017: Schizophrenia Research
https://www.readbyqxmd.com/read/28439055/-calcium-and-bone-metabolism-across-women-s-life-stages-bone-metabolism-and-estrogen-androgen-balance-in-women
#4
Toshiyuki Yasui, Miwa Fukuoka
Androgen as well as estrogen has physical, psychological and sexual roles in women. The action of androgen on bone health in women is important. The androgen receptor is expressed in osteoblasts and osteocytes but the mechanism has not been clarified in women. It has been reported that endogenous testosterone level was positively correlated with bone mineral density and higher testosterone level might be associated with decrease in bone fractures. Also, it has been reported that bone mineral density in women who received testosterone with estrogen was higher than that in women who received estrogen alone...
2017: Clinical Calcium
https://www.readbyqxmd.com/read/28437056/psychotic-and-bipolar-disorders-schizophrenia
#5
Alaina L Edmunds
Schizophrenia is the most common psychotic illness, typically appearing between the late teenage years and the mid-30s. The first episode of psychosis may be preceded by a prodromal period. Schizophrenia symptoms fall into six common symptom clusters: delusions and hallucinations, disorganization of speech, cognitive dysfunction, negative symptoms, affective symptoms, and motor system abnormalities. The diagnosis is based on criteria in the Diagnostic and Statistical Manual of Mental Disorders, Fifth Edition, including exclusion of other possible medical or psychiatric etiologies of psychosis...
April 2017: FP Essentials
https://www.readbyqxmd.com/read/28436583/physical-activity-and-exercise-for-chronic-pain-in-adults-an-overview-of-cochrane-reviews
#6
REVIEW
Louise J Geneen, R Andrew Moore, Clare Clarke, Denis Martin, Lesley A Colvin, Blair H Smith
BACKGROUND: Chronic pain is defined as pain lasting beyond normal tissue healing time, generally taken to be 12 weeks. It contributes to disability, anxiety, depression, sleep disturbances, poor quality of life, and healthcare costs. Chronic pain has a weighted mean prevalence in adults of 20%.For many years, the treatment choice for chronic pain included recommendations for rest and inactivity. However, exercise may have specific benefits in reducing the severity of chronic pain, as well as more general benefits associated with improved overall physical and mental health, and physical functioning...
April 24, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28435337/treatment-strategies-for-the-female-athlete-triad-in-the-adolescent-athlete-current-perspectives
#7
REVIEW
Jill Thein-Nissenbaum, Erin Hammer
Since the passage of Title IX in 1972, female sports participation has dramatically increased. The benefits of physical activity, including decreased risk for heart disease and diabetes as well as improved body image and self-esteem, far outweigh the risks. However, a select population of adolescent and young adult females may experience symptoms related to the female athlete triad (Triad), which refers to the interrelatedness of energy availability, menstrual function, and bone mineral density (BMD). These conditions often manifest clinically as disordered eating behaviors, menstrual irregularity, and stress fractures; an individual may suffer from 1 or all of the Triad components simultaneously...
2017: Open Access Journal of Sports Medicine
https://www.readbyqxmd.com/read/28435052/neurovascular-neuroenergetic-coupling-axis-in-the-brain-master-regulation-by-nitric-oxide-and-consequences-in-aging-and-neurodegeneration
#8
REVIEW
Cátia F Lourenço, Ana Ledo, Rui M Barbosa, João Laranjinha
The strict energetic demands of the brain require that nutrient supply and usage be fine-tuned in accordance with the specific temporal and spatial patterns of ever-changing levels of neuronal activity. This is achieved by adjusting local cerebral blood flow (CBF) as a function of activity level - neurovascular coupling - and by changing how energy substrates are metabolized and shuttled amongst astrocytes and neurons - neuroenergetic coupling. Both activity-dependent increase of CBF and O2 and glucose utilization by active neural cells are inextricably linked, establishing a functional metabolic axis in the brain, the neurovascular-neuroenergetic coupling axis...
April 20, 2017: Free Radical Biology & Medicine
https://www.readbyqxmd.com/read/28434616/impaired-tuning-of-neural-ensembles-and-the-pathophysiology-of-schizophrenia-a-translational-and-computational-neuroscience-perspective
#9
REVIEW
John H Krystal, Alan Anticevic, Genevieve J Yang, George Dragoi, Naomi R Driesen, Xiao-Jing Wang, John D Murray
The functional optimization of neural ensembles is central to human higher cognitive functions. When the functions through which neural activity is tuned fail to develop or break down, symptoms and cognitive impairments arise. This review considers ways in which disturbances in the balance of excitation and inhibition might develop and be expressed in cortical networks in association with schizophrenia. This presentation is framed within a developmental perspective that begins with disturbances in glutamate synaptic development in utero...
May 15, 2017: Biological Psychiatry
https://www.readbyqxmd.com/read/28434615/searching-for-cross-diagnostic-convergence-neural-mechanisms-governing-excitation-and-inhibition-balance-in-schizophrenia-and-autism-spectrum-disorders
#10
REVIEW
Jennifer H Foss-Feig, Brendan D Adkinson, Jie Lisa Ji, Genevieve Yang, Vinod H Srihari, James C McPartland, John H Krystal, John D Murray, Alan Anticevic
Recent theoretical accounts have proposed excitation and inhibition (E/I) imbalance as a possible mechanistic, network-level hypothesis underlying neural and behavioral dysfunction across neurodevelopmental disorders, particularly autism spectrum disorder (ASD) and schizophrenia (SCZ). These two disorders share some overlap in their clinical presentation as well as convergence in their underlying genes and neurobiology. However, there are also clear points of dissociation in terms of phenotypes and putatively affected neural circuitry...
May 15, 2017: Biological Psychiatry
https://www.readbyqxmd.com/read/28433105/symptomatic-treatment-of-neurologic-symptoms-in-wilson-disease
#11
Tomasz Litwin, Petr Dušek, Anna Członkowska
Wilson disease (WD) is a potentially treatable neurodegenerative disorder. In the majority of cases, treatment with drugs that induce a negative copper balance (usually chelators or zinc salts) leads to improvements in liver function and neurologic signs. However, some patients show severe neurologic symptoms at diagnosis, such as tremor, dystonia, parkinsonism, and chorea. In this patient group, some neurologic deficits may persist despite adequate treatment, and further neurologic deterioration may be observed after treatment initiation...
2017: Handbook of Clinical Neurology
https://www.readbyqxmd.com/read/28433101/wilson-disease-currently-used-anticopper-therapy
#12
Anna Członkowska, Tomasz Litwin
Wilson disease (WD) is a genetic disorder of copper metabolism that can be treated successfully with pharmacologic treatment. Two groups of drugs are currently used: chelators (e.g., d-penicillamine and trientine), which increase urinary copper excretion, and zinc salts, which inhibit copper absorption in the digestive tract. The mechanisms of action lead to a negative copper balance, stopping pathologic accumulation of copper in the tissues and clearing affected organs of copper overload. Due to a lack of prospective clinical trials, the use of drugs depends mainly on center experience and the accessibility in different countries or regions...
2017: Handbook of Clinical Neurology
https://www.readbyqxmd.com/read/28432303/closed-loop-deep-brain-stimulation-by-pulsatile-delayed-feedback-with-increased-gap-between-pulse-phases
#13
Oleksandr V Popovych, Borys Lysyansky, Peter A Tass
Computationally it was shown that desynchronizing delayed feedback stimulation methods are effective closed-loop techniques for the control of synchronization in ensembles of interacting oscillators. We here computationally design stimulation signals for electrical stimulation of neuronal tissue that preserve the desynchronizing delayed feedback characteristics and comply with mandatory charge deposit-related safety requirements. For this, the amplitude of the high-frequency (HF) train of biphasic charge-balanced pulses used by the standard HF deep brain stimulation (DBS) is modulated by the smooth feedback signals...
April 21, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28431620/role-of-inflammatory-molecules-in-the-alzheimer-s-disease-progression-and-diagnosis
#14
REVIEW
Eva Bagyinszky, Vo Van Giau, Kyuhwan Shim, Kyoungho Suk, Seong Soo A An, SangYun Kim
Alzheimer's disease (AD) is a complex disorder and the most common form of neurodegenerative dementia. Several genetic, environmental, and physiological factors, including inflammations and metabolic influences, are involved in the progression of AD. Inflammations are composed of complicated networks of many chemokines and cytokines with diverse cells. Inflammatory molecules are needed for the protection against pathogens, and maintaining their balances is important for normal physiological function. Recent studies demonstrated that inflammation may be involved in neurodegenerative dementia...
May 15, 2017: Journal of the Neurological Sciences
https://www.readbyqxmd.com/read/28430820/cardiovascular-safety-of-tiotropium-respimat-vs-handihaler-in-the-routine-clinical-practice-a-population-based-cohort-study
#15
Francesco Trotta, Stefania Spila-Alegiani, Roberto Da Cas, Maja Rajevic, Valentino Conti, Mauro Venegoni, Mariangela Rossi, Giuseppe Traversa
The cardiovascular safety of tiotropium Respimat formulation in the routine clinical practice is still an open issue. Our aim was to compare the risk of acute myocardial infarction and heart rhythm disorders in incident users of either tiotropium Respimat or HandiHaler. The study population comprises patients aged ≥45 years, resident in two Italian regions with a first prescription of tiotropium (HandiHaler or Respimat) between 01/07/2011-30/11/2013. The cohort was identified through the database of prescriptions reimbursed by the Italian National Health Service...
2017: PloS One
https://www.readbyqxmd.com/read/28429152/effectiveness-of-graded-return-to-work-after-multimodal-rehabilitation-in-patients-with-mental-disorders-a-propensity-score-analysis
#16
Marco Streibelt, Wolfgang Bürger, Karen Nieuwenhuijsen, Matthias Bethge
Purpose Graded return to work (GRTW) is a strategy aimed at bringing people gradually back to coping with a full workload after an extended period of sick leave. This study aims to determine the effect of GRTW in addition to a multimodal rehabilitation on longer-term work participation in people with chronic mental disorders (CMDs). Methods Patients filled out questionnaires at the start of a multimodal rehabilitation and 15 months later. Balanced groups (GRTW, no GRTW) were formed by propensity score matching based on 27 covariates...
April 20, 2017: Journal of Occupational Rehabilitation
https://www.readbyqxmd.com/read/28429067/neuronal-oscillations-and-synchronicity-associated-with-gamma-hydroxybutyrate-during-resting-state-in-healthy-male-volunteers
#17
Robin von Rotz, Michael Kometer, Dario Dornbierer, Jürg Gertsch, M Salomé Gachet, Franz X Vollenweider, Erich Seifritz, Oliver G Bosch, Boris B Quednow
RATIONALE: Gamma-hydroxybutyrate (GHB) is a putative neurotransmitter, a drug of abuse, an anesthetic agent, and a treatment for neuropsychiatric disorders. In previous electroencephalography (EEG) studies, GHB was shown to induce an electrophysiological pattern of "paradoxical EEG-behavioral dissociation" characterized by increased delta and theta oscillations usually associated with sleep during awake states. However, no detailed source localization of these alterations and no connectivity analyses have been performed yet...
April 20, 2017: Psychopharmacology
https://www.readbyqxmd.com/read/28427400/monitoring-mandibular-movements-to-detect-cheyne-stokes-breathing
#18
Jean-Benoît Martinot, Jean-Christian Borel, Nhat-Nam Le-Dong, Hervé Jean-Pierre Guénard, Valerie Cuthbert, Philip E Silkoff, David Gozal, Jean-Louis Pepin
BACKGROUND: The patterns of mandibular movements (MM) during sleep can be used to identify increased respiratory effort periodic large-amplitude MM (LPM), and cortical arousals associated with "sharp" large-amplitude MM (SPM). We hypothesized that Cheyne Stokes breathing (CSB) may be identified by periodic abnormal MM patterns. The present study aims to evaluate prospectively the concordance between CSB detected by periodic MM and polysomnography (PSG) as gold-standard. The present study aims to evaluate prospectively the concordance between CSB detected by periodic MM and polysomnography (PSG) as gold-standard...
April 20, 2017: Respiratory Research
https://www.readbyqxmd.com/read/28427332/interrater-and-test-retest-reliability-and-validity-of-the-norwegian-version-of-the-bestest-and-mini-bestest-in-people-with-increased-risk-of-falling
#19
Charlotta Hamre, Pernille Botolfsen, Gro Gujord Tangen, Jorunn L Helbostad
BACKGROUND: The Balance Evaluation Systems Test (BESTest) was developed to assess underlying systems for balance control in order to be able to individually tailor rehabilitation interventions to people with balance disorders. A short form, the Mini-BESTest, was developed as a screening test. The study aimed to assess interrater and test-retest reliability of the Norwegian version of the BESTest and the Mini-BESTest in community-dwelling people with increased risk of falling and to assess concurrent validity with the Fall Efficacy Scale-International (FES-I), and it was an observational study with a cross-sectional design...
April 20, 2017: BMC Geriatrics
https://www.readbyqxmd.com/read/28427041/the-efficacy-of-donepezil-administration-on-acetylcholinesterase-activity-and-altered-redox-homeostasis-in-alzheimer-s-disease
#20
Pinar Atukeren, Mahir Cengiz, Hakan Yavuzer, Remise Gelisgen, Esma Altunoglu, Sena Oner, Fusun Erdenen, Damla Yuceakın, Himmet Derici, Ufuk Cakatay, Hafize Uzun
Alzheimer's disease (AD) is a serious multifactorial disorder with progressive neurodegenerative outcomes related with impaired redox homeostasis. Inhibition of the enzyme acetylcholinesterase (AChE), as one of the major therapeutic strategies, is considered to be offering only symptomatic relief and moderate disease modifying effect. We intended to investigate the effects of acetylcholinesterase inhibition via donepezil on protein carbonyl (PCO), advanced protein oxidation products (AOPP) and ischemia modified albumin (IMA) as protein oxidation markers and ferric reducing antioxidant power (FRAP), prooxidant-antioxidant balance (PAB), total thiol (T-SH), protein thiol (P-SH) as antioxidant status markers and also kynurenine (KYN), N-formyl kynurenine (N-FKYN) and protein bound dityrosine (DT) levels all in one demonstrating the redox homeostasis in Alzheimer patients also correlated with AChE activity...
April 17, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
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