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https://www.readbyqxmd.com/read/27908262/sleep-alterations-in-non-demented-older-individuals-the-role-of-cortisol
#1
Ana Belén Castelló-Domenech, Vanessa Ibáñez Del Valle, Julio Fernández-Garrido, Mary Martínez-Martínez, Omar Cauli
BACKGROUND: Sleep alterations can impair quality of life and contribute to disease progression but they, and their features and contributing factors, are rarely analysed in institutionalised older individuals. In this study we investigated sleep alterations, the factors involved, and the role of cortisol in sleep-related problems in institutionalised individuals. METHODS: We conducted a descriptive cross-sectional study in participants living in nursing homes in Valencia (Spain); sleep alterations were determined based on two validated tools: the Athens insomnia scale and Oviedo sleep questionnaire...
November 30, 2016: Endocrine, Metabolic & Immune Disorders Drug Targets
https://www.readbyqxmd.com/read/27896064/executive-attention-networks-show-altered-relationship-with-default-mode-network-in-pd
#2
Peter Boord, Tara M Madhyastha, Mary K Askren, Thomas J Grabowski
Attention dysfunction is a common but often undiagnosed cognitive impairment in Parkinson's disease that significantly reduces quality of life. We sought to increase understanding of the mechanisms underlying attention dysfunction using functional neuroimaging. Functional MRI was acquired at two repeated sessions in the resting state and during the Attention Network Test, for 25 non-demented subjects with Parkinson's disease and 21 healthy controls. Behavioral and MRI contrasts were calculated for alerting, orienting, and executive control components of attention...
2017: NeuroImage: Clinical
https://www.readbyqxmd.com/read/27895978/cytokines-and-cytokine-receptors-involved-in-the-pathogenesis-of-alzheimer-s-disease
#3
Tomone Nagae, Kiho Araki, Yuki Shimoda, Lucia I Sue, Thomas G Beach, Yoshihiro Konishi
Inflammatory mechanisms are implicated in the pathology of Alzheimer's disease (AD). However, it is unclear whether inflammatory alterations are a cause or consequence of neurodegeneration leading to dementia. Clarifying this issue would provide valuable insight into the early diagnosis and therapeutic management of AD. To address this, we compared the mRNA expression profiles of cytokines in the brains of AD patients with "non-demented individuals with AD pathology" and non-demented healthy control (ND) individuals...
August 2016: Journal of Clinical & Cellular Immunology
https://www.readbyqxmd.com/read/27892698/the-relationship-between-oestrogen-and-executive-functioning-in-als-females-with-emerging-frontotemporal-lobar-degeneration-ftld-supports-a-neuroendocrine-model-of-ftld-attenuation
#4
C Flaherty, J Kraft, A Brothers, M Harrison, R S Legro, A Manni, C Yang, Z Simmons
OBJECTIVE: The prevalence of ALS cognitive or behavioural impairment (ci or bi) consistent with Frontotemporal Degeneration (FTLD) approachs 50%, while ∼5-10% progress to dementia. Our goal was to explore ci and bi differencs between bulbar and limb onset, as well as the neuroprotective potential of oestrogen in emerging FTLD. METHODS: We applied Mann Whitney U to evaluate differences in cognitive and behavioural profiles between site of onset in 78 female and 83 male non-demented ALS participants classified by current consensus criteria with ci...
November 28, 2016: Amyotrophic Lateral Sclerosis and Frontotemporal Degeneration
https://www.readbyqxmd.com/read/27891653/polymorphisms-in-cytokine-genes-influence-cognitive-and-functional-performance-in-a-population-aged-75%C3%A2-years-and-above
#5
Vanessa G Fraga, Henrique C Guimarães, Antônio L Teixeira, Maira T Barbosa, Maria G Carvalho, Paulo Caramelli, Karina B Gomes
OBJECTIVE: To investigate the frequency of the cytokine single nucleotide polymorphisms (SNPs) tumor necrosis factor (TNF)-α -308G > A, tumor growth factor (TGF)-β1 codon +10C > T, TGF-β1 codon +25G > C, interleukin (IL)-10 -1082A > G, IL-10 -819C > T, IL-10 -592C > A, IL-6 -174G > C, and IFN-γ +874T > A in a sample of healthy and cognitively impaired elderlies and to verify the probable association between these SNPs and cognitive and functional performance of subjects aged 75 years and above...
November 28, 2016: International Journal of Geriatric Psychiatry
https://www.readbyqxmd.com/read/27886013/is-salivary-chromogranin-a-a-valid-psychological-stress-biomarker-during-sensory-stimulation-in-people-with%C3%A2-advanced-dementia
#6
Vanessa Valdiglesias, Ana Maseda, Laura Lorenzo-López, Eduardo Pásaro, José C Millán-Calenti, Blanca Laffon
Salivary chromogranin A (sCgA) is gaining attention as a biomarker of psychological stress. The objective of this work was to determine whether individualized music intervention and multisensory stimulation environment (MSSE) in a Snoezelen room produce changes in sCgA in severely demented older patients, and to assess the possible existence of differences in sCgA levels between the two types of interventions. Older adults with severe dementia (n = 22) were randomly assigned to two intervention groups. They participated in MSSE or individualized music interventions in 30-min weekly sessions for 16 weeks...
November 19, 2016: Journal of Alzheimer's Disease: JAD
https://www.readbyqxmd.com/read/27884212/angiotensin-converting-enzyme-2-is-reduced-in-alzheimer-s-disease-in-association-with-increasing-amyloid-%C3%AE-and-tau-pathology
#7
Patrick Gavin Kehoe, Steffenny Wong, Noura Al Mulhim, Laura Elyse Palmer, J Scott Miners
BACKGROUND: Hyperactivity of the classical axis of the renin-angiotensin system (RAS), mediated by angiotensin II (Ang II) activation of the angiotensin II type 1 receptor (AT1R), is implicated in the pathogenesis of Alzheimer's disease (AD). Angiotensin-converting enzyme-2 (ACE-2) degrades Ang II to angiotensin 1-7 (Ang (1-7)) and counter-regulates the classical axis of RAS. We have investigated the expression and distribution of ACE-2 in post-mortem human brain tissue in relation to AD pathology and classical RAS axis activity...
November 25, 2016: Alzheimer's Research & Therapy
https://www.readbyqxmd.com/read/27866086/the-role-of-postural-instability-gait-difficulty-and-fear-of-falling-in-predicting-falls-in-non-demented-older-adults
#8
Gilles Allali, Emmeline I Ayers, Roee Holtzer, Joe Verghese
INTRODUCTION: Postural instability/gait difficulty (PIGD) and fear of falling (FoF) frequently co-exist, but their individual predictive values for falls have not been compared in aging. This study aims to determine both independent and combined effect of PIGD and FoF to falls in older adults without dementia. METHODS: PIGD and other extrapyramidal signs were systematically assessed in 449 community-dwelling participants without Parkinson's disease (76.48±6.61 ys; 56...
November 13, 2016: Archives of Gerontology and Geriatrics
https://www.readbyqxmd.com/read/27852137/motor-sequencing-in-older-adulthood-relationships-with-executive-functioning-and-effects-of-complexity
#9
Madison A Niermeyer, Yana Suchy, Rosemary E Ziemnik
OBJECTIVE: Older adults' motor sequencing performance is more reliant on executive functioning (EF) and more susceptible to complexity than that of younger adults. This study examined for which aspects of motor sequencing performance these relationships hold. METHODS: Fifty-seven younger and 90 non-demented, community-dwelling, older adults completed selected subtests from the Delis-Kaplan Executive Function System as indices of EF and component processes (CP; graphomotor speed; visual scanning; etc...
November 17, 2016: Clinical Neuropsychologist
https://www.readbyqxmd.com/read/27823800/a-randomized-placebo-controlled-trial-of-vitamin-b12-supplementation-to-prevent-cognitive-decline-in-older-diabetic-people-with-borderline-low-serum-vitamin-b12
#10
Timothy Kwok, Jenny Lee, Ronald C Ma, Samuel Y Wong, Kenny Kung, Augustine Lam, C S Ho, Vivian Lee, John Harrison, Linda Lam
BACKGROUND & AIMS: Older diabetic people are at risk of cognitive decline. Vitamin B12 deficiency in older people is associated with cognitive impairment and Alzheimer's disease. Vitamin B12 deficiency may therefore contribute to cognitive decline in older diabetic people. We therefore performed a randomized placebo-controlled trial of vitamin B12 supplementation to prevent cognitive decline in older diabetic people with mild vitamin B12 deficiency. METHODS: 271 diabetic non-demented outpatients aged 70 years or older with plasma vitamin B12 150-300 pmol/L in outpatient clinics were randomly assigned to take either methylcobalamin 1000 μg or two similar looking placebo tablets once daily for 27 months...
October 27, 2016: Clinical Nutrition: Official Journal of the European Society of Parenteral and Enteral Nutrition
https://www.readbyqxmd.com/read/27807317/person-centred-care-for-demented-older-adults-a-qualitative-analysis
#11
V Wq Lou, G Kc Law, X B Zhong
No abstract text is available yet for this article.
December 2016: Hong Kong Medical Journal, Xianggang Yi Xue za Zhi
https://www.readbyqxmd.com/read/27802290/naturally-occurring-autoantibodies-against-tau-protein-are-reduced-in-parkinson-s-disease-dementia
#12
Yannick Kronimus, Alexandra Albus, Monika Balzer-Geldsetzer, Sarah Straub, Elisa Semler, Markus Otto, Jens Klotsche, Richard Dodel, David Mengel
BACKGROUND AND OBJECTIVE: Altered levels of naturally occurring autoantibodies (nAbs) against disease-associated neuronal proteins have been reported for neurodegenerative diseases, such as Alzheimer's (AD) and Parkinson's disease (PD). Recent histopathologic studies suggest a contribution of both Lewy body- and AD-related pathology to Parkinson's disease dementia (PDD). Therefore, we explored nAbs against alpha-synuclein (αS), tau and β-amyloid (Aβ) in PDD compared to cognitively normal PD patients...
2016: PloS One
https://www.readbyqxmd.com/read/27802238/homocysteine-and-real-space-navigation-performance-among-non-demented-older-adults
#13
Martina Paĭízková, Ross Andel, Ondĭej Lerch, Hana Marková, Ivana Gažová, Martin Vyhnálek, Jakub Hort, Jan Laczó
BACKGROUND: High plasma homocysteine (Hcy) level is related to higher risk of Alzheimer's disease (AD) and lower cognitive performance in older adults. OBJECTIVE: To assess the association between plasma Hcy level and real-space navigation performance and the role of vascular risk and protective factors, APOE status, and white matter lesions (WML) on this association. METHODS: Ninety-two non-demented older adults (29 with amnestic mild cognitive impairment, 46 with subjective cognitive decline, and 17 cognitively normal older adults) underwent spatial navigation testing of egocentric, allocentric, and mixed navigation in a real-space analogue of the Morris water maze, neuropsychological examination, blood collection, and MRI brain scan with evaluation of WML...
October 11, 2016: Journal of Alzheimer's Disease: JAD
https://www.readbyqxmd.com/read/27802227/effects-of-alzheimer-s-disease-associated-risk-loci-on-amyloid-%C3%AE-accumulation-in-the-brain-of-idiopathic-normal-pressure-hydrocephalus-patients
#14
Tiina Laiterä, Jussi Paananen, Seppo Helisalmi, Timo Sarajärvi, Joel Huovinen, Marjo Laitinen, Tuomas Rauramaa, Irina Alafuzoff, Anne M Remes, Hilkka Soininen, Annakaisa Haapasalo, Juha E Jääskeläinen, Ville Leinonen, Mikko Hiltunen
BACKGROUND: Idiopathic normal pressure hydrocephalus (iNPH) is a dementing condition featuring characteristic symptoms, ventriculomegaly, and normal or slightly elevated cerebrospinal fluid pressure. In Alzheimer's disease (AD) patients, diffuse aggregates of amyloid-β (Aβ) and neurofibrillary hyperphosphorylated tau are detected in the neocortex of the brain, while similar accumulation of Aβ is also detected in iNPH. Recent genome-wide association studies have identified several novel risk loci for AD, potentially affecting Aβ-related cellular processes...
October 11, 2016: Journal of Alzheimer's Disease: JAD
https://www.readbyqxmd.com/read/27802089/reliability-of-the-danish-abbey-pain-scale-in-severely-demented-and-non-communicative-older-patients
#15
Merete Gregersen, Anne Sophie Melin, Ida Sofie Nygaard, Christina H Nielsen, Mathilde Beedholm-Ebsen
AIM: To validate a Danish version of the observational Abbey Pain Scale (APS) in a geriatric ward. MATERIAL AND METHODS: The study population consisted of 50 old patients (70+ years), consecutively admitted to the geriatric wards of Aarhus University Hospital, Denmark, and fulfilling one of the following inclusion criteria: Mini Mental State Examination (MMSE) < 5, delirium, non-communicative aphasia, or unconsciousness. APS has six subscales and ranges from 0 (no pain) to 18 (worst pain)...
October 2, 2016: International Journal of Palliative Nursing
https://www.readbyqxmd.com/read/27792719/-comparative-study-of-the-efficacy-of-larva-therapy-for-debridement-and-control-of-bacterial-burden-compared-to-surgical-debridement-and-topical-application-of-an-antimicrobial
#16
José Contreras-Ruiz, Adán Fuentes-Suárez, Sara Arroyo-Escalante, David Moncada-Barron, María Cristina Sosa-de-Martínez, Ernesto Maravilla-Franco, Judith Guadalupe Domínguez-Cherit
Maggot debridement therapy (MDT) is the use of medical grade maggots of the fly Lucilia sericata for wound debridement. Recent observations show that MDT decreases bacterial burden as well. Venous ulcers are the most commonly seen in wound clinics and require, besides adequate treatment of venous hypertension, proper wound bed preparation with debri dement of necrotic tissue and control of potential infections. To evaluate the efficacy of MDT in venous ulcers a randomized controlled trial was designed to compare MDT to surgical debridement and topical application of silver sulfadiazine (SSD) in 19 patients for 4 weeks...
October 2016: Gaceta Médica de México
https://www.readbyqxmd.com/read/27790137/association-of-cerebral-amyloidosis-blood-pressure-and-neuronal-injury-with-late-life-onset-depression
#17
Min Soo Byun, Young Min Choe, Bo Kyung Sohn, Dahyun Yi, Ji Young Han, Jinsick Park, Hyo Jung Choi, Hyewon Baek, Jun Ho Lee, Hyun Jung Kim, Yu Kyeong Kim, Eun Jin Yoon, Chul-Ho Sohn, Jong Inn Woo, Dong Young Lee
Previous literature suggests that Alzheimer's disease (AD) process may contribute to late-life onset depression (LLOD). Therefore, we investigated the association of LLOD with cerebral amyloidosis and neuronal injury, the two key brain changes in AD, along with vascular risks. Twenty nine non-demented individuals who first experienced major depressive disorder (MDD) after age of 60 years were included as LLOD subjects, and 27 non-demented elderly individuals without lifetime experience of MDD were included as normal controls (NC)...
2016: Frontiers in Aging Neuroscience
https://www.readbyqxmd.com/read/27785921/multimodality-ultrasound-imaging-in-stroke-current-concepts-and-future-focus
#18
Yumei Liu, Yang Hua, Wuwei Feng, Bruce Ovbiagele
Stroke is a leading cause of disability and mortality worldwide. Ultrasound is a real-time imaging technique that is inexpensive, portable, non-invasive, and safe, with high diagnostic accuracy. Ultrasonic imaging can provide useful direct and indirect information about the characteristics of various vessels in the both intracranial and extracranial segments. Areas covered: In this review, we will discuss multimodal applications of ultrasonic imaging in stroke prevention and management including checking carotid intima-media thickness progression, evaluating the plaque morphology, calibrating the degree of stenosis, detecting the presence of patent foramen ovale, monitoring microembolization, and screening for stroke risk in patients with sickle cell disease...
December 2016: Expert Review of Cardiovascular Therapy
https://www.readbyqxmd.com/read/27779372/sorl1-rs1699102-polymorphism-modulates-age-related-cognitive-decline-and-gray-matter-volume-reduction-in-non-demented-individuals
#19
H Li, C L Lv, C S Yang, D F Wei, K W Chen, S W Li, Z J Zhang
BACKGROUND AND PURPOSE: SORL1 rs1699102 is associated with the risk of late-onset Alzheimer's disease. However, the effects of this single nucleotide polymorphism on cognition and brain structure during normal aging are unclear. This study aimed to examine the effects of the rs1699102 polymorphism on age-related cognitive decline and cortical gray matter reduction in the Chinese Han population. METHODS: A total of 780 non-demented adults completed a battery of neuropsychological tests...
October 25, 2016: European Journal of Neurology: the Official Journal of the European Federation of Neurological Societies
https://www.readbyqxmd.com/read/27779316/work-related-illness-and-injury-claims-among-nationally-certified-athletic-trainers-reported-to-washington-and-california-from-2001-to-2011
#20
Kristen L Kucera, Karen G Roos, Jennifer M Hootman, Hester J Lipscomb, John M Dement, Barbara A Silverstein
BACKGROUND: Little is known about the work-related injury and illnesses experienced by certified athletic trainers (AT). METHODS: The incidence and characteristics of injury/illness claims filed in two workers' compensation systems were described from 2001 to 2011. Yearly populations at risk were estimated from National Athletic Trainers' Association membership statistics. Incidence rate ratios (IRR) were reported by job setting. RESULTS: Claims were predominantly for traumatic injuries and disorders (82...
December 2016: American Journal of Industrial Medicine
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