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https://www.readbyqxmd.com/read/28214109/a-novel-mutation-in-trem2-gene-causing-nasu-hakola-disease-and-review-of-the-literature
#1
Efthimios Dardiotis, Vasileios Siokas, Eva Pantazi, Maria Dardioti, Dimitrios Rikos, Georgia Xiromerisiou, Aikaterini Markou, Dimitra Papadimitriou, Matthaios Speletas, Georgios M Hadjigeorgiou
Nasu-hakola disease (NHD) is a rare disease characterized by bone cysts and fractures, frontal lobe syndrome, and progressive presenile dementia. NHD may be the prototype of primary microglial disorders of the CNS or, as they have been coined, "microgliopathies". Mutations in TREM2 and TYROBP genes are known to cause NHD. Interestingly, recent evidence-associated rare genetic variants of TREM2 gene with increased risk of Alzheimer's disease, frontotemporal dementia, amyotrophic lateral sclerosis, and Parkinson's disease...
January 20, 2017: Neurobiology of Aging
https://www.readbyqxmd.com/read/28211177/visual-impairment-in-older-institutionalised-canadian-seniors-with-dementia
#2
Estefania Chriqui, Caroline Law, Marie-Jeanne Kergoat, Bernard-Simon Leclerc, Hélène Kergoat
PURPOSE: To estimate the prevalence of visual impairment (VI) in a sub-population of Canadian long-term care facilities, i.e. residents affected by dementia. METHODS: This study was conducted in the long-term care facility units at the Institut universitaire de gériatrie de Montréal. All residents ≥65 years old (y.o.), having a clinical diagnosis of dementia, and able to understand French or English, were eligible for participation in the study. All residents participating in the study received a complete eye exam by an experienced optometrist...
March 2017: Ophthalmic & Physiological Optics: the Journal of the British College of Ophthalmic Opticians (Optometrists)
https://www.readbyqxmd.com/read/28206976/lipid-and-alzheimer-s-disease-genes-associated-with-healthy-aging-and-longevity-in-healthy-oldest-old
#3
Lauren C Tindale, Stephen Leach, John J Spinelli, Angela R Brooks-Wilson
Several studies have found that long-lived individuals do not appear to carry lower numbers of common disease-associated variants than ordinary people; it has been hypothesized that they may instead carry protective variants. An intriguing type of protective variant is buffering variants that protect against variants that have deleterious effects. We genotyped 18 variants in 15 genes related to longevity or healthy aging that had been previously reported as having a gene-gene interaction or buffering effect...
February 11, 2017: Oncotarget
https://www.readbyqxmd.com/read/28202482/hyperactive-delirium-following-administration-of-intra-articular-corticosteroid
#4
Leona Lally, Geraldine McCarthy, Karena Meehan
Intra-articular administration of corticosteroids is a commonly used treatment for osteoarthritis as well as other inflammatory disorders of the joints. It is well known that delirium and psychosis can arise following the administration of oral corticosteroids but there are few documented cases of the development of acute hyperactive delirium with psychosis following intra-articular administration. We describe a case of an 82-year-old female patient with moderate dementia who developed a delirium with psychosis which responded well to a first-generation antipsychotic...
February 15, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28202477/vitamin-d-is-not-associated-with-incident-dementia-or-cognitive-impairment-an-18-y-follow-up-study-in-community-living-old-men
#5
Erika Olsson, Liisa Byberg, Brita Karlström, Tommy Cederholm, Håkan Melhus, Per Sjögren, Lena Kilander
Background: Vitamin D has been implicated as being important for maintaining cognitive function in old age. Results from longitudinal studies examining the association of vitamin D with incident dementia and cognitive impairment have been inconsistent.Objective: We investigated the relation between vitamin D, assessed in 3 different ways, and the risk of dementia.Design: We measured plasma 25-hydroxyvitamin D [25(OH)D] with the use of high-performance liquid chromatography-mass spectrometry, assessed dietary vitamin D intake with the use of 7-d dietary records, and created a vitamin D-synthesis genetic risk score (GRS) at baseline (1991-1995) in a cohort of 1182 Swedish men (mean age: 71 y)...
February 15, 2017: American Journal of Clinical Nutrition
https://www.readbyqxmd.com/read/28198309/give-people-with-dementia-a-voice-in-discussions-about-sex
#6
Wendy Perry
In 2015, a 78-year-old man in the US was charged with third-degree felony sexual abuse for having sex with his wife who was living in a care home. One of the factors behind the prosecution was that his wife's daughter felt her mother was unable to give consent for sexual activity.
February 15, 2017: Nursing Standard
https://www.readbyqxmd.com/read/28196966/effect-of-selective-5-ht6r-agonist-on-expression-of-5-ht-receptor-and-neurotransmitter-in-vascular-dementia-rats
#7
Haining Yu, Tao Chen, Li Zhou, Jiyou Tang
BACKGROUND 5-HT6 receptor (5-HT6R) has pluripotent roles regulating secretion of neurotransmitters. However, whether 5-HT6R is involved in the development of vascular dementia (VD) remains unclear. To evaluate the role and mechanism of 5-HT6R in VD, this study established a rat VD model to evaluate the effect of selective 5-HT6R agonist on the expression of 5-HT6R mRNA and neurotransmitter. MATERIAL AND METHODS Eighty healthy male SD rats (7 weeks old) were randomly assigned to sham, model, 5-HT6R agonist, and placebo groups (N=20 each)...
February 15, 2017: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/28190681/differential-effects-of-metformin-on-age-related-comorbidities-in-older-men-with-type-2-diabetes
#8
Chen-Pin Wang, Carlos Lorenzo, Samy L Habib, Booil Jo, Sara E Espinoza
AIMS: To identify distinct temporal likelihoods of age-related comorbidity (ARC) diagnoses: cardiovascular diseases (CVD), cancer, depression, dementia, and frailty-related diseases (FRD) in older men with type 2 diabetes (T2D) but ARC naïve initially, and assess the heterogeneous effects of metformin on ARCs and mortality. METHODS: We identified a clinical cohort of male veterans in the United States who were ≥65years old with T2D and free from ARCs during 2002-2003...
January 28, 2017: Journal of Diabetes and its Complications
https://www.readbyqxmd.com/read/28188218/focal-solute-trapping-and-global-glymphatic-pathway-impairment-in-a-murine-model-of-multiple-microinfarcts
#9
Minghuan Wang, Fengfei Ding, SaiYue Deng, Xuequn Guo, Wei Wang, Jeffrey J Iliff, Maiken Nedergaard
Microinfarcts occur commonly in the aging brain as a consequence of diffuse embolic events and are associated with the development of vascular dementia and Alzheimer's disease. Yet the manner in which disperse microscopic lesions reduce global cognitive function and increase the risk for Alzheimer's disease is unclear. The glymphatic system, which is a brain-wide perivascular network that supports the recirculation of CSF through the brain parenchyma, facilitates the clearance of interstitial solutes including amyloid beta and tau...
February 10, 2017: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
https://www.readbyqxmd.com/read/28182102/a-case-report-of-nonvasculitic-autoimmune-inflammatory-meningoencephalitis-with-sensory-ganglionopathy-a-rare-presentation-of-sj%C3%A3-gren-syndrome
#10
João Peres, Simão Cruz, Rita Oliveira, Luís Santos, Ana Valverde
A 68-year-old Caucasian female was admitted to the emergency department with a progressive history of behavioural symptoms and anxiety followed by visual and auditory hallucinations, forgetfulness, and impaired gait in the previous 3 months. On examination she was psychotic and had a postural and rest tremor of the upper limbs, cogwheel rigidity of the four limbs, retropulsion on standing position, and inability to walk. During the following 2 weeks she developed xerostomia and unilateral parotiditis that improved with steroids...
2017: Case Reports in Neurological Medicine
https://www.readbyqxmd.com/read/28181891/-chronic-traumatic-encephalopathy-an-old-acquaintance-in-athletes
#11
E G B Vijverberg, A C M Pijnenburg, P Scheltens, Y A L Pijnenburg
- Chronic traumatic encephalopathy (CTE) is a neurodegenerative disease caused by repetitive head injuries like those seen in sports such as boxing, American football and soccer.- The clinical features of CTE are a range of cognitive, psychiatric and motor symptoms, and histopathology involves deposits of hyperphosphorylated tau protein and the presence of TAR DNA-binding protein (TDP-43) with relatively little beta-amyloid.- CTE is difficult to differentiate clinically from Alzheimer's disease, frontotemporal dementia and psychiatric disorders because of the major symptom overlap between these conditions...
2017: Nederlands Tijdschrift Voor Geneeskunde
https://www.readbyqxmd.com/read/28177146/precarity-in-late-life-rethinking-dementia-as-a-frailed-old-age
#12
Amanda Grenier, Liz Lloyd, Chris Phillipson
Approaches to ageing that are organised around productivity, success, and active late life have contributed to views of dementia as an unsuccessful, failed or 'frailed' old age. Operating through dominant frameworks, socio-cultural constructs and organisational practices, the 'frailties' of the body and mind are often used to mark the boundaries of health and illness in late life, and shape responses accordingly. Our concern is that both the taken for granted and the 'imagined' can further marginalise persons who occupy the locations of dementia and disablement...
February 2017: Sociology of Health & Illness
https://www.readbyqxmd.com/read/28177142/institutionalising-senile-dementia-in-19th-century-britain
#13
Emily Stella Andrews
This article explains how old, poor people living with dementia came to be institutionalised in 19th-century Britain (with a focus on London), and how they were responded to by the people who ran those institutions. The institutions in question are lunatic asylums, workhouses and charitable homes. Old people with dementia were admitted to lunatic asylums, workhouses and charitable homes, but were not welcome there. Using the records of Hanwell lunatic asylum, published texts of psychiatric theory, and the administrative records that all of these institutions generated at local and national levels, this article argues that 'the senile' were a perpetual classificatory residuum in the bureaucracy of 19th-century health and welfare...
February 2017: Sociology of Health & Illness
https://www.readbyqxmd.com/read/28174455/factors-affecting-the-quality-of-life-of-homebound-elderly-hemiparetic-stroke-patients-with-cognitive-impairment
#14
Seiichi Takemasa, Ryoma Nakagoshi, Masayuki Uesugi, Yuri Inoue, Makoto Gotou, Hideki Koeda, Susumu Naruse
[Purpose] This study examined the quality of life of homebound elderly hemiparetic stroke patients with cognitive impairment and the factors affecting their quality of life. [Subjects and Methods] The subjects of the study were 17 home-based elderly hemiparetic stroke patients with cognitive impairment (8 males and 9 females, average age: 76.3 ± 10.5 years old). Their physical and psychological conditions, quality of life and other items were investigated. Nishimura's Mental State Scale for the Elderly was used for the cognitive impairment assessment...
December 2016: Journal of Physical Therapy Science
https://www.readbyqxmd.com/read/28174059/alterations-of-myelin-morphology-and-oligodendrocyte-development-in-early-stage-of-alzheimer-s-disease-mouse-model
#15
Yu Wu, Yuanlin Ma, Zhuo Liu, Qi Geng, Zexin Chen, Yan Zhang
Alzheimer's disease (AD) is the most common cause to dementia and predicted to influence about 35 million people by the end of 2050. In this study, we discover alterations of myelin morphology in hippocampus tissues of 2-month-old APP/PS1 mouse. Myelin sheath is thicker and internodal distance is shorter in APP/PS1 mouse. Oligodendrocytes, differentiated from oligodendrocytes progenitor cells (OPCs), are responsible for formation and maintenance of myelin sheath in central nervous system (CNS). Our current results demonstrate that the oligodendrocytes development is disordered in 2-month-old APP/PS1 mouse...
February 6, 2017: Neuroscience Letters
https://www.readbyqxmd.com/read/28158885/breaking-bad-delirium-methamphetamine-and-boric-acid-toxicity-with-hallucinations-and-pseudosepsis
#16
Kayla Johnson, Joanna L Stollings, E Wesley Ely
OBJECTIVES: A 30-year-old patient presented with hallucinations and profound shock. He was initially misdiagnosed as having severe sepsis; once ingestions were considered, he was diagnosed as potentially having arsenic toxicity. SUMMARY: The clinical story reveals many instructional lessons that could aid in the evaluation and management of future patients. This man presented with large amounts of blue crystals around his nose and lips from inhaling and eating boric acid (an ant poison) so he could, as he put it, kill the ants "pouring into my mouth and nose and up into my brain...
February 2017: Southern Medical Journal
https://www.readbyqxmd.com/read/28152028/serum-phosphorus-levels-and-risk-of-incident-dementia
#17
Tingting Li, Yan Xie, Benjamin Bowe, Hong Xian, Ziyad Al-Aly
Higher serum phosphorous is associated with cerebral small vessel disease, an important driver of cognitive decline and dementia. Whether serum phosphorous, a potentially modifiable parameter, associates with risk of incident dementia is not known. We aimed to examine the association between serum phosphorous and risk of incident dementia and to determine if the association is modified by age. We used the United States Department of Veterans Affairs national databases to build a longitudinal observational cohort of US veterans without prior history of dementia and with at least one outpatient serum phosphorus between October 2008 and September 2010 and followed them until September 2014...
2017: PloS One
https://www.readbyqxmd.com/read/28151011/cardiovascular-risk-factors-and-glucose-tolerance-in-midlife-and-risk-of-cognitive-disorders-in-old-age-up-to-a-49-year-follow-up-of-the-helsinki-businessmen-study
#18
Kirsi Rantanen, Arto Y Strandberg, Veikko V Salomaa, Kaisu H Pitkälä, Reijo S Tilvis, Pentti J Tienari, Timo E Strandberg
PURPOSE: To compare midlife predictors of old age dementia with or without concomitant atherosclerotic cardiovascular disease (ASCVD). DESIGN: In the Helsinki Businessmen Study (men born in 1919-1934, n = 3309) death certificates (n = 1885) during up to 49-year follow-up (through December 31, 2013) were screened for dementia (n = 365) and ASCVD, and categorized as 1) AD without ASCVD ("pure" AD, n = 93), 2) AD+ASCVD (n = 126), 3) Vascular dementia (VD, n = 82), 4) Other or undefined etiology (n = 64)...
February 2, 2017: Annals of Medicine
https://www.readbyqxmd.com/read/28151002/lack-of-associations-between-modifiable-risk-factors-and-dementia-in-the-very-old-findings-from-the-cambridge-city-over-75s-cohort-study
#19
Kay Deckers, Sebastian Köhler, Martin van Boxtel, Frans Verhey, Carol Brayne, Jane Fleming
OBJECTIVES: To investigate the association between modifiable risk and protective factors and severe cognitive impairment and dementia in the very old. Additionally, the present study tests the predictive validity of the 'LIfestyle for BRAin health' (LIBRA) score, an index developed to assess an individual's dementia prevention potential. METHOD: Two hundred seventy-eight individuals aged 85 years or older from the Cambridge City over-75s cohort study were followed-up until death...
February 2, 2017: Aging & Mental Health
https://www.readbyqxmd.com/read/28145214/-faecolithiasis-straightforward-to-detect-but-often-missed
#20
B Katerberg, F Ter Borg
Faecal impaction is a problem which is becoming more prevalent now that the number of elderly patients is increasing. When not detected and treated inadequately, it can lead to symptoms such as diarrhoea, faecal incontinence and other serious problems like anorexia, vomiting and rectal ulcers with bleeding or even a bowel perforation. We describe two patients with serious and less common complications of faecolithiasis. Patient A, a 79-year-old woman with signs of dementia, presented with faecal incontinence and unexplained worsening of her cognitive symptoms leading to a situation where she could no longer live in her own home...
2017: Nederlands Tijdschrift Voor Geneeskunde
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