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https://www.readbyqxmd.com/read/29790571/-epidemiology-of-alzheimer-s-disease-and-other-dementias
#1
REVIEW
J Garre-Olmo
INTRODUCTION: Dementia is a clinical syndrome resulting from a number of causations and which is usually accompanied by progressive and diffuse brain dysfunction. The different subtypes are characterised by a clinical picture with common symptoms that differ in terms of their aetiology, age, clinical presentation, clinical course and associated disorders. AIM: To present an update on the information available about the descriptive epidemiology of dementia and its main subtypes...
June 1, 2018: Revista de Neurologia
https://www.readbyqxmd.com/read/29785228/evaluating-the-utility-of-a-structured-clinical-protocol-for-reducing-the-impact-of-behavioural-and-psychological-symptoms-of-dementia-in-progressive-neurological-diseases-a-pilot-study
#2
Nicholas P Ryan, Laura Scott, Maryanne McPhee, Susan Mathers, Marie-Claire Davis, Roxanne Maule, Fiona Fisher
Objectives: Behavioural and psychological symptoms of dementia (BPSD) cause significant distress to both aged care residents and staff. Despite the high prevalence of BPSD in progressive neurological diseases (PNDs) such as multiple sclerosis, Huntington's disease, and Parkinson's disease, the utility of a structured clinical protocol for reducing BPSD has not been systematically evaluated in PND populations. Method: Staff ( n = 51) and individuals with a diagnosis of PND ( n = 13) were recruited into the study, which aimed to evaluate the efficacy of a PND-specific structured clinical protocol for reducing the impact of BPSD in residential aged care (RAC) and specialist disability accommodation (SDA) facilities...
2018: Behavioural Neurology
https://www.readbyqxmd.com/read/29720286/impact-of-brief-education-on-healthy-seniors-attitudes-and-healthcare-choices-about-alzheimer-s-disease-and-associated-symptoms
#3
Robyn E Waxman, Barbara J Russell, Oscar C T Iu, Benoit H Mulsant
ABSTRACTObjective:The primary objective of this study was to determine whether a brief education session about Alzheimer's disease (AD) stages and associated behavioral and psychological symptoms of dementia (BPSD) changes healthy seniors' treatment choices. A secondary objective was to determine whether pharmacotherapy to reduce BPSD would be preferred over other potentially more restrictive interventions. METHODS: Participants (n = 32; 8 men; aged > 64years; no self-reported dementia diagnosis) were assigned to one of ten group sessions during which they received information about AD and BPSD...
May 3, 2018: International Psychogeriatrics
https://www.readbyqxmd.com/read/29716656/large-inter-and-intra-case-variability-of-first-generation-tau-pet-ligand-binding-in-neurodegenerative-dementias
#4
Melissa C Wren, Tammaryn Lashley, Erik Årstad, Kerstin Sander
Imaging of pathological tau with positron emission tomography (PET) has the potential to allow early diagnosis of the dementias and monitoring of disease progression, including assessment of therapeutic interventions, in vivo. The first generation of tau PET tracers, including the carbazole flortaucipir and the 2-arylquinolines of the THK series, are now used in clinical research; however, concerns have been raised about off-target binding and low sensitivity.With the aim to determine the nature of tau pathology depicted by structurally distinct tau ligands we carried out a microscopic neuropathological evaluation in post-mortem human brain tissue of cases with primary and secondary tauopathies...
May 1, 2018: Acta Neuropathologica Communications
https://www.readbyqxmd.com/read/29695292/a-biomarker-study-in-long-lasting-amnestic-mild-cognitive-impairment
#5
Chiara Cerami, Alessandra Dodich, Sandro Iannaccone, Giuseppe Magnani, Roberto Santangelo, Luca Presotto, Alessandra Marcone, Luigi Gianolli, Stefano F Cappa, Daniela Perani
BACKGROUND: Mild cognitive impairment (MCI) is a heterogeneous syndrome resulting from Alzheimer's disease (AD) as well as to non-AD and non-neurodegenerative conditions. A subset of patients with amnestic MCI (aMCI) present with an unusually long-lasting course, a slow rate of clinical neuropsychological progression, and evidence of focal involvement of medial temporal lobe structures. In the present study, we explored positron emission tomography (PET) and cerebrospinal fluid (CSF) biomarkers in a sample of subjects with aMCI with such clinical features in order to provide in vivo evidence to improve disease characterisation in this subgroup...
April 25, 2018: Alzheimer's Research & Therapy
https://www.readbyqxmd.com/read/29688815/study-of-intraventricular-cerliponase-alfa-for-cln2-disease
#6
Angela Schulz, Temitayo Ajayi, Nicola Specchio, Emily de Los Reyes, Paul Gissen, Douglas Ballon, Jonathan P Dyke, Heather Cahan, Peter Slasor, David Jacoby, Alfried Kohlschütter
Background Recombinant human tripeptidyl peptidase 1 (cerliponase alfa) is an enzyme-replacement therapy that has been developed to treat neuronal ceroid lipofuscinosis type 2 (CLN2) disease, a rare lysosomal disorder that causes progressive dementia in children. Methods In a multicenter, open-label study, we evaluated the effect of intraventricular infusion of cerliponase alfa every 2 weeks in children with CLN2 disease who were between the ages of 3 and 16 years. Treatment was initiated at a dose of 30 mg, 100 mg, or 300 mg; all the patients then received the 300-mg dose for at least 96 weeks...
April 24, 2018: New England Journal of Medicine
https://www.readbyqxmd.com/read/29681636/parkinsonism-as-presenting-symptom-of-primary-hyperparathyroidism-improvement-after-surgery
#7
Delia Luján-Martínez, Ángela Sánchez-Cifuentes, Emilio Peña-Ros, Antonio Albarracín-Marín-Blázquez, Mari Fe Candel-Arenas
Introduction: Hypercalcemia can cause different neurological disorders, depending on the calcium level. We report an exceptional case of primary hyperparathyroidism presenting as neurological alteration and it has favourable outcome after parathyroidectomy. Case report: A 74-year-old woman presented with progressive cognitive deterioration and impaired motor function. The complementary tests showed hypercalcemia due to a parathyroid adenoma. Parathyroidectomy was performed with symptomatic improvement...
2018: Cirugia y Cirujanos
https://www.readbyqxmd.com/read/29680871/cystic-tumors-of-the-pituitary-infundibulum-seminal-autopsy-specimens-1899-to-1904-that-allowed-clinical-pathological-craniopharyngioma-characterization
#8
José M Pascual, Ruth Prieto, Maria Rosdolsky, Sewan Strauss, Inés Castro-Dufourny, Verena Hofecker, Eduard Winter, Rodrigo Carrasco, Walter Ulrich
A heterogeneous group of epithelial cystic tumors developed at the infundibulum and the third ventricle disconcerted pathologists at the dawn of the twentieth century. Very little was known at that time about the physiological role played by the pituitary gland, and there was almost complete ignorance regarding the function of the hypothalamus. Acromegaly, or enlargement of acral body parts, described in 1886 by Pierre Marie, was the only disease linked to primary hypertrophies of the pituitary gland, known as "pituitary strumas"...
April 21, 2018: Pituitary
https://www.readbyqxmd.com/read/29679204/efficacy-of-curcumin-for-age-associated-cognitive-decline-a-narrative-review-of-preclinical-and-clinical-studies
#9
REVIEW
Marjana Rahman Sarker, Susan F Franks
Processes such as aberrant redox signaling and chronic low-grade systemic inflammation have been reported to modulate age-associated pathologies such as cognitive impairment. Curcumin, the primary therapeutic component of the Indian spice, Turmeric (Curcuma longa), has long been known for its strong anti-inflammatory and antioxidant activity attributable to its unique molecular structure. Recently, an interest in this polyphenol as a cognitive therapeutic for the elderly has emerged. The purpose of this paper is to critically review preclinical and clinical studies that have evaluated the efficacy of curcumin in ameliorating and preventing age-associated cognitive decline and address the translational progress of preclinical to clinical efficacy...
April 21, 2018: GeroScience
https://www.readbyqxmd.com/read/29672680/cognitive-correlates-of-%C3%AE-4%C3%AE-2-nicotinic-acetylcholine-receptors-in-mild-alzheimer-s-dementia
#10
Osama Sabri, Philipp M Meyer, Susanne Gräf, Swen Hesse, Stephan Wilke, Georg-Alexander Becker, Michael Rullmann, Marianne Patt, Julia Luthardt, Gudrun Wagenknecht, Alexander Hoepping, Rene Smits, Annegret Franke, Bernhard Sattler, Solveig Tiepolt, Steffen Fischer, Winnie Deuther-Conrad, Ulrich Hegerl, Henryk Barthel, Peter Schönknecht, Peter Brust
In early Alzheimer's dementia, there is a need for PET biomarkers of disease progression with close associations to cognitive dysfunction that may aid to predict further cognitive decline and neurodegeneration. Amyloid biomarkers are not suitable for that purpose. The α4β2 nicotinic acetylcholine receptors (α4β2-nAChRs) are widely abundant in the human brain. As neuromodulators they play an important role in cognitive functions such as attention, learning and memory. Post-mortem studies reported lower expression of α4β2-nAChRs in more advanced Alzheimer's dementia...
April 17, 2018: Brain: a Journal of Neurology
https://www.readbyqxmd.com/read/29663387/muscarinic-and-nicotinic-acetylcholine-receptor-agonists-current-scenario-in-alzheimer-s-disease-therapy
#11
REVIEW
Stuti Verma, Ashwini Kumar, Timir Tripathi, Awanish Kumar
OBJECTIVES: Alzheimer's disease (AD) has become the primary cause of dementia. It shows a progressive cognitive dysfunction with degenerating neurons. Acetylcholine receptors (AChRs) propagate the cognitive ability and it consists of two primary members namely muscarinic (mAChRs) and nicotinic receptors (nAChRs). Where mAChRs is G-protein coupled receptor, (nAChRs) are ligand-gated ion channels. The conventional therapeutic regimen for AD consists of three acetylcholinestearse inhibitors while a single NMDA receptor antagonist...
April 16, 2018: Journal of Pharmacy and Pharmacology
https://www.readbyqxmd.com/read/29661156/synergic-trial-synchronizing-exercises-remedies-in-gait-and-cognition-a-multi-centre-randomized-controlled-double-blind-trial-to-improve-gait-and-cognition-in-mild-cognitive-impairment
#12
Manuel Montero-Odasso, Quincy J Almeida, Amer M Burhan, Richard Camicioli, Julien Doyon, Sarah Fraser, Karen Li, Teresa Liu-Ambrose, Laura Middleton, Susan Muir-Hunter, William McIlroy, José A Morais, Frederico Pieruccini-Faria, Kevin Shoemaker, Mark Speechley, Akshya Vasudev, G Y Zou, Nicolas Berryman, Maxime Lussier, Leanne Vanderhaeghe, Louis Bherer
BACKGROUND: Physical exercise, cognitive training, and vitamin D are low cost interventions that have the potential to enhance cognitive function and mobility in older adults, especially in pre-dementia states such as Mild Cognitive Impairment (MCI). Aerobic and progressive resistance exercises have benefits to cognitive performance, though evidence is somewhat inconsistent. We postulate that combined aerobic exercise (AE) and progressive resistance training (RT) (combined exercise) will have a better effect on cognition than a balance and toning control (BAT) intervention in older adults with MCI...
April 16, 2018: BMC Geriatrics
https://www.readbyqxmd.com/read/29656245/individual-differences-in-socioemotional-sensitivity-are-an-index-of-salience-network-function
#13
Gianina Toller, Jesse Brown, Marc Sollberger, Suzanne M Shdo, Laura Bouvet, Paul Sukhanov, William W Seeley, Bruce L Miller, Katherine P Rankin
Connectivity in intrinsically connected networks (ICNs) may predict individual differences in cognition and behavior. The drastic alterations in socioemotional awareness of patients with behavioral variant frontotemporal dementia (bvFTD) are presumed to arise from changes in one such ICN, the salience network (SN). We examined how individual differences in SN connectivity are reflected in overt social behavior in healthy individuals and patients, both to provide neuroscientific insight into this key brain-behavior relationship, and to provide a practical tool to diagnose patients with early bvFTD...
February 27, 2018: Cortex; a Journal Devoted to the Study of the Nervous System and Behavior
https://www.readbyqxmd.com/read/29628038/-patterns-of-detection-of-mild-cognitive-impairment-in-nursing
#14
Ana J Sebastián Hernández, Luís Carlos Arranz Santamaría
Mild cognitive impairment (MCI) is characterized by an acquired cognitive loss that places individuals, mainly older adults, in an intermediate stage between normal cognitive functioning and dementia. This impairment has a high risk of progression to dementia and is suitable for screening, which allows more effective early intervention. Nursing professionals, especially community-based primary care nurses, play an important role in the detection and follow-up of MCI and in interventions for this condition. The first step should be to take a thorough history from both the patient and his or her carers, which should assess the changes occurring in the patient's daily, family and social life through functional patterns...
June 2017: Revista Española de Geriatría y Gerontología
https://www.readbyqxmd.com/read/29614650/the-progression-of-dementia-and-cognitive-decline-in-a-dutch-2-year-cohort-study-of-people-with-young-onset-dementia
#15
Adrie A J Gerritsen, Christian Bakker, Frans R J Verhey, Hans Bor, Yolande A L Pijnenburg, Marjolein E de Vugt, Raymond T C M Koopmans
BACKGROUND: The progression of dementia in people with young-onset dementia (YOD) is relatively unknown. OBJECTIVE: To investigate the progression of dementia and cognitive decline in the three most common subtypes in YOD and to explore which factors are associated with this course. METHODS: The course of dementia was examined in 198 people with YOD. The primary outcomes were cognitive function, as assessed by the Mini-Mental State Examination (MMSE) and dementia severity, as assessed by the Global Deterioration Scale (GDS)...
March 29, 2018: Journal of Alzheimer's Disease: JAD
https://www.readbyqxmd.com/read/29584904/combined-pathologies-in-ftld-tdp-types-a-and-c
#16
Tamar Gefen, Saman S Ahmadian, Qinwen Mao, Garam Kim, Mustafa Seckin, Borna Bonakdarpour, Eliana Marisa Ramos, Giovanni Coppola, Rosa Rademakers, Emily Rogalski, Alfred Rademaker, Sandra Weintraub, M-Marsel Mesulam, Changiz Geula, Eileen H Bigio
This study investigated the presence of combined pathologies in a large cohort of autopsies that show a primary pathologic diagnosis of phosphorylated 43-kDa TAR DNA-binding protein (FTLD-TDP), the majority of which portrayed clinical phenotypes consistent with primary progressive aphasia or behavioral variant frontotemporal dementia (bvFTD). Thirty-eight cases with FTLD-TDP (30 type-A and 8 type-C) were identified to determine characteristic differences between cases with and without combined pathologies. Findings indicated that combined pathologies co-occur with FTLD-TDP type-A at a high frequency (50%)-greater than when compared to FTLD-TDP type-C cases (12...
March 23, 2018: Journal of Neuropathology and Experimental Neurology
https://www.readbyqxmd.com/read/29582186/decision-modelling-of-non-pharmacological-interventions-for-individuals-with-dementia-a-systematic-review-of-methodologies
#17
REVIEW
Elizaveta Sopina, Jan Sørensen
OBJECTIVES: The main objective of this study is to conduct a systematic review to identify and discuss methodological issues surrounding decision modelling for economic evaluation of non-pharmacological interventions (NPIs) in dementia. METHODS: A systematic search was conducted for publications using decision modelling to investigate the cost-effectiveness of NPIs for individuals with dementia. Search was limited to studies in English. Studies were excluded if they evaluated interventions aimed only at caregivers of patients with dementia, or if they only included economic evaluation alongside an RCT without additional modelling...
March 26, 2018: Health Economics Review
https://www.readbyqxmd.com/read/29563864/pathophysiological-consequences-of-neuronal-%C3%AE-synuclein-overexpression-impacts-on-ion-homeostasis-stress-signaling-mitochondrial-integrity-and-electrical-activity
#18
Johan Tolö, Grit Taschenberger, Kristian Leite, Markus A Stahlberg, Gesche Spehlbrink, Janina Kues, Francesca Munari, Stefano Capaldi, Stefan Becker, Markus Zweckstetter, Camin Dean, Mathias Bähr, Sebastian Kügler
α-Synuclein (α-Syn) is intimately linked to the etiology of Parkinson's Disease, as mutations and even subtle increases in gene dosage result in early onset of the disease. However, how this protein causes neuronal dysfunction and neurodegeneration is incompletely understood. We thus examined a comprehensive range of physiological parameters in cultured rat primary neurons overexpressing α-Syn at levels causing a slowly progressive neurodegeneration. In contradiction to earlier reports from non-neuronal assay systems we demonstrate that α-Syn does not interfere with essential ion handling capacities, mitochondrial capability of ATP production or basic electro-physiological properties like resting membrane potential or the general ability to generate action potentials...
2018: Frontiers in Molecular Neuroscience
https://www.readbyqxmd.com/read/29559782/repetitive-transcranial-magnetic-stimulation-for-the-treatment-of-cognitive-impairment-in-frontotemporal-dementia-an-open-label-pilot-study
#19
Jakub Antczak, Katarzyna Kowalska, Aleksandra Klimkowicz-Mrowiec, Barbara Wach, Katarzyna Kasprzyk, Marta Banach, Karolina Rzeźnicka-Brzegowy, Jadwiga Kubica, Agnieszka Słowik
Background: Frontotemporal dementia (FTD) is one of the most frequent dementia types in patients under 65 years of age. Currently, no therapy can effectively improve the cognitive deficits associated with FTD. Repetitive transcranial magnetic stimulation (rTMS) is a noninvasive method of inducing brain plasticity with therapeutic potential in neurodegenerative diseases. The purpose of this study was to evaluate the effect of rTMS on cognitive, behavioral, and emotional function in FTD...
2018: Neuropsychiatric Disease and Treatment
https://www.readbyqxmd.com/read/29551659/da5-ch-a-novel-glp-1-gip-dual-agonist-effectively-ameliorates-the-cognitive-impairments-and-pathology-in-the-app-ps1-mouse-model-of-alzheimer-s-disease
#20
Yue Cao, Christian Hölscher, Meng-Ming Hu, Ting Wang, Fang Zhao, Yu Bai, Jun Zhang, Mei-Na Wu, Jin-Shun Qi
Alzheimer's disease (AD) is a progressive neurodegenerative disorder for which there is no cure. The early primary symptom of AD is the decline of memory ability, which gradually develops into complete dementia. Type 2 diabetes mellitus (T2DM) is an important risk factor of AD; and mimetics of the incretin hormone GLP-1 developed to treat diabetes are being tested as a novel therapeutic strategy for AD. In the present study, we reported for the first time the neuroprotective effects of a novel GLP-1/GIP dual agonist DA5-CH that activates the incretin hormone GLP-1 and GIP receptors in the APP/PS1 transgenic AD mouse model...
May 15, 2018: European Journal of Pharmacology
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