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https://www.readbyqxmd.com/read/27921034/crowdsourcing-precision-cerebrovascular-health-imaging-and-cloud-seeding-a-million-brains-initiative%C3%A2
#1
David S Liebeskind
Crowdsourcing, an unorthodox approach in medicine, creates an unusual paradigm to study precision cerebrovascular health, eliminating the relative isolation and non-standardized nature of current imaging data infrastructure, while shifting emphasis to the astounding capacity of big data in the cloud. This perspective envisions the use of imaging data of the brain and vessels to orient and seed A Million Brains Initiative™ that may leapfrog incremental advances in stroke and rapidly provide useful data to the sizable population around the globe prone to the devastating effects of stroke and vascular substrates of dementia...
2016: Frontiers in Medicine
https://www.readbyqxmd.com/read/27905341/heidenhain-variant-of-creutzfeldt-jakob-disease-in-a-patient-who-had-bovine-bioprosthetic-valve-implantation
#2
Jehard Hashoul, Waleed Saliba, Irina Bloch, Haneen Jabaly-Habib
Creutzfeldt-Jakob disease (CJD) is a rare neurodegenerative disorder characterized by rapidly progressing dementia, general neurologic deterioration, and death. When the leading symptoms are visual disturbances, it is termed as the Heidenhain variant of CJD (HvCJD). CJD was reported following prion-contaminated pericardium transplants but never after bovine bioprosthetic cardiac valve. In this case report, we describe HvCJD in a patient who had a bovine bioprosthetic cardiac valve implant. An 82-year-old-woman was referred to neuro-ophthalmology clinic for unexplained visual loss that started 1 month previously...
October 2016: Indian Journal of Ophthalmology
https://www.readbyqxmd.com/read/27884882/lymphomatosis-cerebri-diagnostic-challenges-and-review-of-the-literature
#3
Paul J Lee, Idanis Berrios, Carolina Ionete, Thomas Smith
Lymphomatosis cerebri (LC) is a rare variant of a primary central nervous system non-Hodgkin's lymphoma (PCNSL) characterised by diffuse infiltration of tumour cells throughout the brain parenchyma. We present a 68-year-old immunocompetent woman with headaches, dizziness, blurred vision, localised right leg weakness and rapidly progressive dementia. A brain MRI demonstrated diffuse T2 hyperintense white matter lesions that did not enhance with contrast. The clinical differential diagnosis of these lesions included metastatic disease, infectious or inflammatory process such as sarcoidosis, lymphoma, demyelinating disease and less likely vascular aetiology, such as vasculitis or ischaemic stroke...
November 24, 2016: BMJ Case Reports
https://www.readbyqxmd.com/read/27879455/diagnostic-care-pathways-in-dementia-a-review-of-the-involvement-of-primary-care-in-practice-and-innovation
#4
REVIEW
Christine E Wells, Sarah J Smith
OBJECTIVES: Increasing diagnostic rates of dementia is a national health priority; to meet this priority, improvement needs to be made to diagnostic services. It has been increasingly recognized that primary can play a significant role in the diagnostic journey for people with dementia, with some diagnostic services entirely located in primary care. This article reviews the extent of the involvement of primary care in diagnostic care pathways for people presenting with memory complaints within England, and presents examples of innovative approaches, which may be of interest to practitioners...
November 22, 2016: Journal of Primary Care & Community Health
https://www.readbyqxmd.com/read/27876002/sporadic-creutzfeldt-jakob-disease-with-unusual-initial-presentation-as-posterior-reversible-encephalopathy-syndrome-a-case-report
#5
Edgaras Dirzius, Renata Balnyte, Vesta Steibliene, Rymante Gleizniene, Inga Gudinaviciene, Andrius Radziunas, Kestutis Petrikonis
BACKGROUND: Creutzfeldt - Jakob disease (CJD) is a rapidly progressive and fatal neurodegenerative prion disease. MRI findings are included in diagnostic criteria for probable CJD, giving a sensitivity and specificity more than 90%, but the atypical radiological presentations in the early stage of the disease could cause the diagnostic difficulties. CJD can be definitively diagnosed by histopathological confirmation, brain biopsy or at autopsy. CASE PRESENTATION: We present a case of 53-year-old woman with a history of a rapidly progressive dementia with symptoms of visual impairment, increased extrapyramidal type muscle tonus, stereotypical movements and ataxic gait resulting in the patient's death after13 months...
November 22, 2016: BMC Neurology
https://www.readbyqxmd.com/read/27870938/evaluation-of-%C3%AE-synuclein-as-a-novel-cerebrospinal-fluid-biomarker-in-different-forms-of-prion-diseases
#6
Franc Llorens, Niels Kruse, Matthias Schmitz, Nadine Gotzmann, Ewa Golanska, Katrin Thüne, Orgeta Zejneli, Eirini Kanata, Tobias Knipper, Maria Cramm, Peter Lange, Saima Zafar, Beata Sikorska, Pawel P Liberski, Eva Mitrova, Daniela Varges, Christian Schmidt, Theodoros Sklaviadis, Brit Mollenhauer, Inga Zerr
INTRODUCTION: Accurate diagnosis of prion diseases and discrimination from alternative dementias gain importance in the clinical routine, but partial overlap in cerebrospinal fluid (CSF) biomarkers impedes absolute discrimination in the differential diagnostic context. METHODS: We established the clinical parameters for prion disease diagnosis for the quantification of CSF α-synuclein in patients with sporadic (n = 234) and genetic (n = 56) prion diseases, in cases with cognitive impairment or dementia (n = 278), and in the neurologic control (n = 111) group...
November 18, 2016: Alzheimer's & Dementia: the Journal of the Alzheimer's Association
https://www.readbyqxmd.com/read/27869115/cerebral-vascular-amyloid-seeds-drive-amyloid-%C3%AE-protein-fibril-assembly-with-a-distinct-anti-parallel-structure
#7
Feng Xu, Ziao Fu, Sharmila Dass, AnnMarie E Kotarba, Judianne Davis, Steven O Smith, William E Van Nostrand
Cerebrovascular accumulation of amyloid β-protein (Aβ), a condition known as cerebral amyloid angiopathy (CAA), is a common pathological feature of patients with Alzheimer's disease. Familial Aβ mutations, such as Dutch-E22Q and Iowa-D23N, can cause severe cerebrovascular accumulation of amyloid that serves as a potent driver of vascular cognitive impairment and dementia. The distinctive features of vascular amyloid that underlie its unique pathological properties remain unknown. Here, we use transgenic mouse models producing CAA mutants (Tg-SwDI) or overproducing human wild-type Aβ (Tg2576) to demonstrate that CAA-mutant vascular amyloid influences wild-type Aβ deposition in brain...
November 21, 2016: Nature Communications
https://www.readbyqxmd.com/read/27867500/neurological-complications-in-chronic-kidney-disease
#8
REVIEW
Ria Arnold, Tushar Issar, Arun V Krishnan, Bruce A Pussell
Patients with chronic kidney disease (CKD) are frequently afflicted with neurological complications. These complications can potentially affect both the central and peripheral nervous systems. Common neurological complications in CKD include stroke, cognitive dysfunction, encephalopathy, peripheral and autonomic neuropathies. These conditions have significant impact not only on patient morbidity but also on mortality risk through a variety of mechanisms. Understanding the pathophysiological mechanisms of these conditions can provide insights into effective management strategies for neurological complications...
January 2016: JRSM Cardiovascular Disease
https://www.readbyqxmd.com/read/27866858/clinical-variables-and-biomarkers-in-prediction-of-cognitive-impairment-in-patients-with-newly-diagnosed-parkinson-s-disease-a-cohort-study
#9
Anette Schrag, Uzma Faisal Siddiqui, Zacharias Anastasiou, Daniel Weintraub, Jonathan M Schott
BACKGROUND: Parkinson's disease is associated with an increased incidence of cognitive impairment and dementia. Predicting who is at risk of cognitive decline early in the disease course has implications for clinical prognosis and for stratification of participants in clinical trials. We assessed the use of clinical information and biomarkers as predictive factors for cognitive decline in patients with newly diagnosed Parkinson's disease. METHODS: The Parkinson's Progression Markers Initiative (PPMI) study is a cohort study in patients with newly diagnosed Parkinson's disease...
November 17, 2016: Lancet Neurology
https://www.readbyqxmd.com/read/27866729/molecular-imaging-in-the-diagnosis-of-alzheimer-s-disease-and-related-disorders
#10
REVIEW
L Koric, E Guedj, M O Habert, F Semah, P Branger, P Payoux, F Le Jeune
INTRODUCTION: The diagnosis of Alzheimer's disease (AD) and its related disorders rely on clinical criteria. There is, however, a large clinical overlap between the different neurodegenerative diseases affecting cognition and, frequently, there are diagnostic uncertainties with atypical clinical presentations. Current clinical practices can now regularly use positron emission tomography (PET) and single-photon emission computed tomography (SPECT) molecular imaging to help resolve such uncertainties...
December 2016: Revue Neurologique
https://www.readbyqxmd.com/read/27862810/angiotensin-converting-enzyme-insertion-deletion-polymorphism-and-the-longitudinal-progression-of-alzheimer-s-disease
#11
Ping-Song Chou, Meng-Ni Wu, Mei-Chuan Chou, I Chien, Yuan-Han Yang
AIM: The angiotensin-converting enzyme gene (ACE) insertion (I)/deletion (D) polymorphism is considered a biologically plausible gene for Alzheimer's disease (AD) in cross-sectional studies. The present study aimed to investigate the longitudinal effect of ACE I/D polymorphism on AD progression. METHODS: This 3-year observational study investigated the longitudinal effect of ACE I/D polymorphism on AD progression. Clinically diagnosed AD patients with a clinical dementia rating (CDR) of 0...
November 10, 2016: Geriatrics & Gerontology International
https://www.readbyqxmd.com/read/27862176/inflammasomes-hormesis-and-antioxidants-in-neuroinflammation-role-of-nrlp3-in-alzheimer-disease
#12
REVIEW
Manuela Pennisi, Rosalia Crupi, Rosanna Di Paola, Maria Laura Ontario, Rita Bella, Edward J Calabrese, Roberto Crea, Salvatore Cuzzocrea, Vittorio Calabrese
Alzheimer disease (AD) is a progressive neurodegenerative disorder leading to cognitive decline, neuropsychiatric symptoms, disability, caregiver burden, and premature death. It represents the most prevalent cause of dementia, and its incidence rates exponentially increase with increasing age. The number of Americans living with AD is rapidly increasing. An estimated 5.4 million Americans of all ages have AD in 2016. One in nine people aged 65 and older has AD, and by midcentury, someone in the United States will develop the disease every 33 sec...
November 8, 2016: Journal of Neuroscience Research
https://www.readbyqxmd.com/read/27849640/rapidly-progressive-dementia-prevalence-and-causes-in-a-neurologic-unit-of-a-tertiary-hospital-in-brazil
#13
Adalberto Studart Neto, Herval R Soares Neto, Mateus M Simabukuro, Davi J F Solla, Márcia R R Gonçalves, Ida Fortini, Luiz H M Castro, Ricardo Nitrini
BACKGROUND: Rapidly progressive dementia (RPD) is usually associated with Creutzfeldt-Jakob disease, a fatal condition. Current advances in the understanding of immune-mediated diseases allow the diagnosis of previously unrecognized treatable RPDs. OBJECTIVE OF THE STUDY: The objective of the study was to describe the prevalence and causes of RPD in a neurology service, identifying potentially reversible causes. METHODS: We carried out a cross-sectional evaluation of all patients admitted to the neurology unit of a tertiary hospital in Brazil between March 2012 and February 2015...
November 15, 2016: Alzheimer Disease and Associated Disorders
https://www.readbyqxmd.com/read/27848034/vagus-nerve-stimulation-in-psychiatry-a-systematic-review-of-the-available-evidence
#14
REVIEW
Camelia-Lucia Cimpianu, Wolfgang Strube, Peter Falkai, Ulrich Palm, Alkomiet Hasan
Invasive and non-invasive vagus nerve stimulation (VNS) is a promising add-on treatment for treatment-refractory depression, but is also increasingly evaluated for its application in other psychiatric disorders, such as dementia, schizophrenia, somatoform disorder, and others. We performed a systematic review aiming to give a detailed overview of the available evidence of the efficacy of VNS for the treatment of psychiatric disorders. Data derived from animal models, experimental trials without health-related outcomes, case reports, single-session studies, and reviews were excluded...
November 16, 2016: Journal of Neural Transmission
https://www.readbyqxmd.com/read/27845782/a-targeted-proteomic-multiplex-csf-assay-identifies-increased-malate-dehydrogenase-and-other-neurodegenerative-biomarkers-in-individuals-with-alzheimer-s-disease-pathology
#15
R W Paterson, W E Heywood, A J Heslegrave, N K Magdalinou, U Andreasson, E Sirka, E Bliss, C F Slattery, J Toombs, J Svensson, P Johansson, N C Fox, H Zetterberg, K Mills, J M Schott
Alzheimer's disease (AD) is the most common cause of dementia. Biomarkers are required to identify individuals in the preclinical phase, explain phenotypic diversity, measure progression and estimate prognosis. The development of assays to validate candidate biomarkers is costly and time-consuming. Targeted proteomics is an attractive means of quantifying novel proteins in cerebrospinal and other fluids, and has potential to help overcome this bottleneck in biomarker development. We used a previously validated multiplexed 10-min, targeted proteomic assay to assess 54 candidate cerebrospinal fluid (CSF) biomarkers in two independent cohorts comprising individuals with neurodegenerative dementias and healthy controls...
November 15, 2016: Translational Psychiatry
https://www.readbyqxmd.com/read/27833227/creutzfeldt-jakob-disease-phenotype-and-course-our-experience-from-a-tertiary-center
#16
Sadanandavalli Retnaswami Chandra, Thomas Gregor Issac, Mariamma Philip, Veeranna Gadad
INTRODUCTION: Prion diseases are protein conformation disorders and neither caused by viroid or virus but is a transmissible particle labeled a prion by Pruisner. Normal prion protein becomes infectious by a different folding, but the triggers are not known. Based on the characteristic brain pathology, they are grouped under spongiform encephalopathy affecting both man and animals. Estimated prevalence is one per million. Creutzfeldt-Jakob disease (CJD) registry from National Institute and Neurosciences (NIMHANS), Bengaluru, reported 69 cases in 30 years...
September 2016: Indian Journal of Psychological Medicine
https://www.readbyqxmd.com/read/27819841/recruiting-us-chinese-elders-into-clinical-research-for-dementia
#17
Clara Li, Judith Neugroschl, Mari Umpierre, Jane Martin, QiYing Huang, Xiaoyi Zeng, Dongming Cai, Mary Sano
PURPOSE: This study described and evaluated the rapid recruitment of elderly Chinese into clinical research at the Mount Sinai Alzheimer's Disease Research Center (MSADRC). DESIGN AND METHODS: Methods of publicizing the study included lectures to local senior centers/churches and publications in local Chinese newspapers. The amount of time and success of these methods were evaluated. A "go to them" model of evaluation was used to enable participants to complete the study visit at locations where they were comfortable...
October 2016: Alzheimer Disease and Associated Disorders
https://www.readbyqxmd.com/read/27818965/alcohol-related-dementia-and-neurocognitive-impairment-a-review-study
#18
REVIEW
Ankur Sachdeva, Mina Chandra, Mona Choudhary, Prabhoo Dayal, Kuljeet Singh Anand
CONTEXT: Alcohol consumption has escalated rapidly in many countries over the past decade. Evidence suggests a correlation between alcohol use and cognitive decline. We have systematically reviewed the concept and controversies, epidemiology, nosology, neuropathology and neurobiology, neuropsychology and management updates of alcohol-related dementia (ARD) in this paper. EVIDENCE ACQUISITION: We retrieved papers for this review by searching the PubMed database for terms "alcohol and dementia", "alcohol and cognitive impairment", and "alcohol and wernicke-korsakoff" mentioned in the title of the published papers...
September 2016: International Journal of High Risk Behaviors & Addiction
https://www.readbyqxmd.com/read/27816907/new-horizons-in-design-for-autonomous-ageing
#19
REVIEW
Tischa J M van der Cammen, Armagan Albayrak, Ena Voûte, Johan F M Molenbroek
The world is ageing rapidly. Between 2000 and 2050, the number of people aged ≥65 will double as a proportion of the global population, from 7% to 16%, respectively. By 2050, for the first time in human history, there will be more older people than children (aged 0-14 years) in the population. More distinctive is the tremendous increase in the oldest old aged ≥85. This challenges society to adapt, in order to maximise the health and functional capacity of older people as well as their social participation and security...
November 5, 2016: Age and Ageing
https://www.readbyqxmd.com/read/27814994/the-dementia-associated-apoe-%C3%AE%C2%B54-allele-is-not-associated-with-rapid-eye-movement-sleep-behavior-disorder
#20
Ziv Gan-Or, Jacques Y Montplaisir, Jay P Ross, Judes Poirier, Simon C Warby, Isabelle Arnulf, Stephanie Strong, Yves Dauvilliers, Claire S Leblond, Michele T M Hu, Birgit Högl, Ambra Stefani, Christelle Charley Monaca, Valérie Cochen De Cock, Michel Boivin, Luigi Ferini-Strambi, Giuseppe Plazzi, Elena Antelmi, Peter Young, Anna Heidbreder, Thomas R Barber, Samuel G Evetts, Michal Rolinski, Patrick A Dion, Alex Desautels, Jean-François Gagnon, Nicolas Dupré, Ronald B Postuma, Guy A Rouleau
The present study aimed to examine whether the APOE ε4 allele, associated with dementia with Lewy bodies (DLB), and possibly with dementia in Parkinson's disease (PD), is also associated with idiopathic rapid eye movement sleep behavior disorder (RBD). Two single nucleotide polymorphisms, rs429358 and rs7412, were genotyped in RBD patients (n = 480) and in controls (n = 823). APOE ε4 allele frequency was 0.14 among RBD patients and 0.13 among controls (OR = 1.11, 95% CI: 0.88-1.40, p = 0.41). APOE ε4 allele frequencies were similar in those who converted to DLB (0...
October 13, 2016: Neurobiology of Aging
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