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Depression and dementia

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https://www.readbyqxmd.com/read/29355451/slowly-progressive-behavioral-frontotemporal-dementia-with-c9orf72-mutation-case-report-and-review-of-the-literature
#1
S Llamas-Velasco, A García-Redondo, A Herrero-San Martín, V Puertas Martín, M González-Sánchez, D A Pérez-Martínez, A Villarejo-Galende
We present a 86-year-old woman without relevant medical history and two brothers who died by dementia, who started at 55 years with depression and personality changes with ongoing worsening (>30 years) and functional decline. Screening dementia blood test and brain magnetic resonance imaging did not show results that pointed to a secondary cause. The patient met the diagnostic criteria for possible behavioral frontotemporal dementia with a slow progression (bvFTD-SP), suggesting a benign variant. A genetic study confirmed a C9ORF72 hexanucleotide expansion, making this the sixth case mentioned in the literature...
January 22, 2018: Neurocase
https://www.readbyqxmd.com/read/29353234/psychiatric-symptoms-in-preclinical-behavioural-variant-frontotemporal-dementia-in-mapt-mutation-carriers
#2
Gayathri Cheran, Hannah Silverman, Masood Manoochehri, Jill Goldman, Seonjoo Lee, Liwen Wu, Sarah Cines, Emer Fallon, Brendan Desmond Kelly, Diana Angelika Olszewska, Judith Heidebrink, Sarah Shair, Stephen Campbell, Henry Paulson, Timothy Lynch, Stephanie Cosentino, Edward D Huey
OBJECTIVE: To characterise psychiatric symptoms in preclinical and early behavioural-variant frontotemporal dementia (bvFTD), a neurodegenerative disorder whose symptoms overlap with and are often mistaken for psychiatric illness. METHODS: The present study reports findings from a systematic, global, prospective evaluation of psychiatric symptoms in 12 preclinical carriers of pathogenic MAPT mutations, not yet meeting bvFTD diagnostic criteria, and 46 familial non-carrier controls...
January 20, 2018: Journal of Neurology, Neurosurgery, and Psychiatry
https://www.readbyqxmd.com/read/29350557/omega-3-polyunsaturated-fatty-acids-and-their-health-benefits
#3
Fereidoon Shahidi, Priyatharini Ambigaipalan
Omega-3 polyunsaturated fatty acids (PUFAs) include α-linolenic acid (ALA; 18:3 ω-3), stearidonic acid (SDA; 18:4 ω-3), eicosapentaenoic acid (EPA; 20:5 ω-3), docosapentaenoic acid (DPA; 22:5 ω-3), and docosahexaenoic acid (DHA; 22:6 ω-3). In the past few decades, many epidemiological studies have been conducted on the myriad health benefits of omega-3 PUFAs. In this review, we summarized the structural features, properties, dietary sources, metabolism, and bioavailability of omega-3 PUFAs and their effects on cardiovascular disease, diabetes, cancer, Alzheimer's disease, dementia, depression, visual, and neurological development, as well as maternal and child health...
January 18, 2018: Annual Review of Food Science and Technology
https://www.readbyqxmd.com/read/29350177/antidepressant-medication-in-a-german-cohort-of-patients-with-alzheimer-s-disease%C3%A2
#4
Philipp Hessmann, Richard Dodel, Erika Baum, Matthias J Müller, Greta Paschke, Bernhard Kis, Jan Zeidler, Mike Klora, Jens-Peter Reese, Monika Balzer-Geldsetzer
OBJECTIVE: The use of antidepressant drugs in dementia patients is associated with the risk of adverse events, and the evidence for relevant effects is scarce. We aimed to determine the associations between the prescription of antidepressants and patients' sociodemographic (e.g., age, gender, living situation) and clinical characteristics (e.g., disease severity, neuropsychiatric symptoms). MATERIALS AND METHODS: We included 395 institutionalized and community-dwelling patients with Alzheimer's disease (AD) across all severity stages of dementia in a cross-sectional study design...
January 19, 2018: International Journal of Clinical Pharmacology and Therapeutics
https://www.readbyqxmd.com/read/29349659/-self-and-informant-rating-mood-scales-applied-in-elderly-persons-with-alzheimer-s-dementia-with-or-without-a%C3%A2-language-disorder
#5
Margina Yildirim-Gorter, Djahill Groot, Linda Hermens, Han Diesfeldt, Erik Scherder
INTRODUCTION: Alzheimer's Dementia (AD) may be associated with symptoms of depression. In AD, problems of language expression or understanding will arise sooner or later. The aim of this study was to determine whether elderly persons with AD, with or without a language disorder, experience difficulties understanding and answering mood related questions. In addition to this, it was our object to test the validity of the answers of nurses as informants, on the mood of an elderly client...
January 18, 2018: Tijdschrift Voor Gerontologie en Geriatrie
https://www.readbyqxmd.com/read/29345180/depression-among-caregivers-of-patients-with-dementia
#6
Abdullelah S Alfakhri, Ahmed W Alshudukhi, Ali A Alqahtani, Abdulrahman M Alhumaid, Omer A Alhathlol, Abdullah I Almojali, Muteb A Alotaibi, Meshal K Alaqeel
We aimed to assess depressive symptoms in caregivers of patients with dementia, taking into account variables such as severity of dementia, sex, age, and financial state of the patient. We recruited 222 caregivers of patients with dementia from King Abdulaziz Medical City, Saudi Alzheimer's Disease Association, and online, from February to June 2017, and employed the Patient Health Questionnaire to assess depression, and the Blessed Dementia Scale to assess severity of dementia. The prevalence of clinical depression among the caregivers was 14...
January 2018: Inquiry: a Journal of Medical Care Organization, Provision and Financing
https://www.readbyqxmd.com/read/29344344/acetylcholinesterase-inhibitors-in-treatment-resistant-psychotic-depression
#7
Chris Smart, Hamish McAllister-Williams, David Andrew Cousins
Dopamine receptor antagonists can be effective in psychotic depression but response is not assured. Visual hallucinations may arise from a dysregulation of brain cholinergic systems and acetylcholinesterase inhibitors (AChEIs) can treat such hallucinations in dementia with Lewy bodies (DLB). AChEIs have been used in schizophrenia with some success but their efficacy and tolerability in psychotic depression is unclear. This striking case illustrates AChEIs specifically targeting multimodal hallucinations in treatment-resistant depression...
January 2018: Therapeutic Advances in Psychopharmacology
https://www.readbyqxmd.com/read/29341070/personality-changes-during-the-transition-from-cognitive-health-to-mild-cognitive-impairment
#8
Richard J Caselli, Blake T Langlais, Amylou C Dueck, Bruce R Henslin, Travis A Johnson, Bryan K Woodruff, Charlene Hoffman-Snyder, Dona E C Locke
BACKGROUND/OBJECTIVES: Behavioral problems in individuals with Alzheimer's disease (AD) impose major management challenges. Current prevention strategies are anchored to cognitive outcomes, but behavioral outcomes may provide another, clinically relevant opportunity for preemptive therapy. We sought to determine whether personality changes that predispose to behavioral disorders arise during the transition from preclinical AD to mild cognitive impairment (MCI). DESIGN: Longitudinal observational cohort study...
January 17, 2018: Journal of the American Geriatrics Society
https://www.readbyqxmd.com/read/29338817/correlation-of-stress-hyperglycemia-after-ischemic-stroke-with-early-vascular-cognitive-impairment
#9
Yi Dong Zhou, Huai Wu Yuan, Ren Jie Ji, Ben Yan Luo
Objective To investigate the influence and forecast value of stress hyperglycemia on the early vascular cognitive impairment (VCI) in stroke patients.Methods Totally 422 patients with acute non-diabetic stroke were divided into three groups according to the fasting plasma glucose level:the euglycemia group (<6.1 mmol/L),the mild stress hyperglycemia group (6.1-7.0 mmol/L),and the severe stress hyperglycemia group (≥7.0 mmol/L).Mini-mental state examination,Alzheimer's disease rating scale cognitive subscale,and clinical dementia rating scale were used to evaluate early cognition in post-stroke patients,and patients were divided into three groups accordingly:normal cognitive function group,mild VCI group,and vascular dementia group...
December 20, 2017: Zhongguo Yi Xue Ke Xue Yuan Xue Bao. Acta Academiae Medicinae Sinicae
https://www.readbyqxmd.com/read/29335318/longitudinal-effect-of-stroke-on-cognition-a-systematic-review
#10
REVIEW
Eugene Yh Tang, Obreniokibo Amiesimaka, Stephanie L Harrison, Emma Green, Christopher Price, Louise Robinson, Mario Siervo, Blossom Cm Stephan
BACKGROUND: Stroke is associated with an increased risk of dementia; however, the impact of stroke on cognition has been found to be variable, such that stroke survivors can show decline, remain stable, or revert to baseline cognitive functioning. Knowing the natural history of cognitive impairment after stroke is important for intervention. The aim of this systematic review is to investigate the longitudinal course of cognitive function in stroke survivors. METHODS AND RESULTS: Three electronic databases (Medline, Embase, PsycINFO) were searched using OvidSP from inception to July 15, 2016...
January 15, 2018: Journal of the American Heart Association
https://www.readbyqxmd.com/read/29335033/should-capacity-assessments-be-performed-routinely-prior-to-discussing-advance-care-planning-with-older-people
#11
Oleg Kiriaev, Emme Chacko, J D Jurgens, Meagan Ramages, Phillipa Malpas, Gary Cheung
BACKGROUND: People with dementia receive worse end of life care compared to those with cancer. Barriers to undertaking advanced care planning (ACP) in people with dementia include the uncertainty about their capacity to engage in such discussions. The primary aim of this study was to compare the Advance Care Planning-Capacity Assessment Vignette tool (ACP-CAV) with a semi-structured interview adapted from the MacArthur Competence Assessment Tool-Treatment (MacCAT-T). The secondary aim was to identify demographic and cognitive functioning variables that may predict whether a person has capacity to discuss ACP...
January 16, 2018: International Psychogeriatrics
https://www.readbyqxmd.com/read/29332554/evaluating-the-dose-dependent-mechanism-of-action-of-trazodone-by-estimation-of-occupancies-for-different-brain-neurotransmitter-targets
#12
Luca Settimo, David Taylor
Trazodone is a drug that was introduced in the clinic almost 40 years ago. It is licensed to treat depression, but it is also commonly used off-label to treat insomnia. A recent study shows that it could be promising in preventing neurodegeneration in mice, and clinical trials to assess its possible beneficial effects on dementia and Alzheimer's disease are expected to start soon in humans. In this study, we describe the dose-dependent pharmacology of trazodone by carrying out pharmacokinetic simulations aiming to predict the brain concentrations of trazodone for different drug-dosing regimens and calculating occupancy for 28 different targets for which published trazodone-binding data are available...
January 2018: Journal of Psychopharmacology
https://www.readbyqxmd.com/read/29332036/relationships-between-lower-olfaction-and-brain-white-matter-lesions-in-elderly-subjects-with-mild-cognitive-impairment
#13
Juliette Heinrich, Jean-Sébastien Vidal, Axelle Simon, Anne-Sophie Rigaud, Olivier Hanon, Jacques Epelbaum, Cecile Viollet, Emmanuelle Duron
BACKGROUND: Olfactory impairment is reported in mild cognitive impairment (MCI) and Alzheimer's disease (AD) and is associated with hippocampal atrophy. In elderly people, dementia with AD neuropathology and white matter lesions (WML) is common. In this context, olfactory impairment could also depend on the presence of WML. OBJECTIVE: To assess the cross-sectional relationship between olfaction and WML in elderly subjects with MCI. METHODS: Consecutive subjects, >65 years old, diagnosed as MCI after a comprehensive neuropsychological assessment in an expert memory center, with a brain MRI performed within a year and without major depressive state, were included...
2018: Journal of Alzheimer's Disease: JAD
https://www.readbyqxmd.com/read/29330839/peripheral-blood-brain-derived-neurotrophic-factor-as-a-biomarker-of-alzheimer-s-disease-are-there-methodological-biases
#14
REVIEW
Marta Balietti, Cinzia Giuli, Fiorenzo Conti
Mounting evidence that alterations in brain-derived neurotrophic factor (BDNF) levels and signaling may be involved in the etiopathogenesis of Alzheimer's disease (AD) has suggested that its blood levels could be used as a biomarker of the disease. However, higher, lower, or unchanged circulating BDNF levels have all been described in AD patients compared to healthy controls. Although the reasons for such different findings are unclear, methodological issues are likely to be involved. The heterogeneity of participant recruitment criteria and the lack of control of variables that influence circulating BDNF levels regardless of dementia (depressive symptoms, medications, lifestyle, lack of overlap between serum and plasma, and experimental aspects) are likely to bias result and prevent study comparability...
January 13, 2018: Molecular Neurobiology
https://www.readbyqxmd.com/read/29329363/validity-of-teleneuropsychological-assessment-in-older-patients-with-cognitive-disorders
#15
Hannah E Wadsworth, Kaltra Dhima, Kyle B Womack, John Hart, Myron F Weiner, Linda S Hynan, C Munro Cullum
Objective: The feasibility and reliability of neuropsychological assessment at a distance have been demonstrated, but the validity of this testing medium has not been adequately demonstrated. The purpose of this study was to determine the ability of video teleconferencing administration of neuropsychological measures (teleneuropsychology) in discriminating cognitively impaired from non-impaired groups of older adults. It was predicted that measures administered via video teleconference would distinguish groups and that the magnitude of differences between impaired and non-impaired groups would be similar to group differences achieved in traditional administration...
January 10, 2018: Archives of Clinical Neuropsychology: the Official Journal of the National Academy of Neuropsychologists
https://www.readbyqxmd.com/read/29329059/amyloid-burden-and-incident-depressive-symptoms-in-preclinical-alzheimer-s-disease
#16
Stephanie Perin, Karra D Harrington, Yen Ying Lim, Kathryn Ellis, David Ames, Robert H Pietrzak, Adrian Schembri, Stephanie Rainey-Smith, Olivier Salvado, Simon M Laws, Ralph N Martins, Victor L Villemagne, Christopher C Rowe, Colin L Masters, Paul Maruff
BACKGROUND: Relationships between depression and Alzheimer's disease (AD) may become clearer if studied in preclinical AD where dementia is not present. METHOD: The aim of this study was to evaluate prospectively, relationships between brain amyloid-β (Aβ), depressive symptoms and screen positive depression in cognitively normal (CN) older adults. Depressive symptoms were measured with the Geriatric Depression Inventory (GDS-15) in CN adults from the Australian Imaging Biomarkers and Lifestyle (AIBL) study without depression at baseline and classified as having abnormally high (Aβ+; n = 136) or low (Aβ-; n = 449) Aβ according to positron emission tomography at 18-month intervals over 72 months...
January 3, 2018: Journal of Affective Disorders
https://www.readbyqxmd.com/read/29327206/brain-photobiomodulation-therapy-a-narrative-review
#17
REVIEW
Farzad Salehpour, Javad Mahmoudi, Farzin Kamari, Saeed Sadigh-Eteghad, Seyed Hossein Rasta, Michael R Hamblin
Brain photobiomodulation (PBM) therapy using red to near-infrared (NIR) light is an innovative treatment for a wide range of neurological and psychological conditions. Red/NIR light is able to stimulate complex IV of the mitochondrial respiratory chain (cytochrome c oxidase) and increase ATP synthesis. Moreover, light absorption by ion channels results in release of Ca2+ and leads to activation of transcription factors and gene expression. Brain PBM therapy enhances the metabolic capacity of neurons and stimulates anti-inflammatory, anti-apoptotic, and antioxidant responses, as well as neurogenesis and synaptogenesis...
January 11, 2018: Molecular Neurobiology
https://www.readbyqxmd.com/read/29323557/neuropsychological-assessment-of-412-hiv-infected-individuals-in-s%C3%A3-o-paulo-brazil
#18
Maria Rita Polo Gascón, José Ernesto Vidal, Yolanda Marques Mazzaro, Jerusa Smid, Rosa Maria Nascimento Marcusso, Claudio Garcia Capitão, Elizeu Macedo Coutinho, Glaucia Rosana Guerra Benute, Mara Cristina Souza De Lucia, Augusto César Penalva de Oliveira
HIV-associated neurocognitive disorders (HAND) remain frequent even among individuals receiving combined antiretroviral therapy (cART). In addition, HAND may adversely affect the quality of life and adherence to cART. There is scarce epidemiological information about HAND in Latin America. This cross-sectional study recruited HIV-infected patients from a tertiary teaching institution in São Paulo, Brazil, between May 2013 and February 2015. The patients were adults with at least 4 years of education and patients with current neurological or psychiatric diseases were excluded...
January 2018: AIDS Patient Care and STDs
https://www.readbyqxmd.com/read/29323400/-amimia-in-parkinson-s-disease-significance-and-correlation-with-the-clinical-features
#19
P J Garcia-Ruiz, C E Feliz-Feliz, T Maycas-Cepeda, J Del Val-Fernandez
INTRODUCTION: Reduced facial expression or amimia is one of the most typical characteristics of Parkinson's disease (PD). Despite being described in classic texts, its significance, physiopathology and correlation with motor and non-motor symptoms is largely unknown. PATIENTS AND METHODS: We have studied facial bradykinesia in a group of 84 de novo PD patients prospectively evaluated for five years. We also studied the relationship of facial bradykinesia with depression in a subgroup of 30 patients...
January 16, 2018: Revista de Neurologia
https://www.readbyqxmd.com/read/29321592/amyloid-%C3%AE-causes-excitation-inhibition-imbalance-through-dopamine-receptor-1-dependent-disruption-of-fast-spiking-gabaergic-input-in-anterior-cingulate-cortex
#20
Si-Qiang Ren, Wen Yao, Jing-Zhi Yan, Chunhui Jin, Jia-Jun Yin, Jianmin Yuan, Shui Yu, Zaohuo Cheng
Alzheimer's disease (AD) is the most common cause of dementia in the elderly. At the early stages of AD development, the soluble β-amyloid (Aβ) induces synaptic dysfunction, perturbs the excitation/inhibition balance of neural circuitries, and in turn alters the normal neural network activity leading to cognitive decline, but the underlying mechanisms are not well established. Here by using whole-cell recordings in acute mouse brain slices, we found that 50 nM Aβ induces hyperexcitability of excitatory pyramidal cells in the cingulate cortex, one of the most vulnerable areas in AD, via depressing inhibitory synaptic transmission...
January 10, 2018: Scientific Reports
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