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Dementia and Geriatric Cognitive Disorders Extra

Asuka Koyama, Mamoru Hashimoto, Ryuji Fukuhara, Naoko Ichimi, Akihiro Takasaki, Masateru Matsushita, Tomohisa Ishikawa, Hibiki Tanaka, Yusuke Miyagawa, Manabu Ikeda
Background: Caregiver burden is a serious concern for family caregivers of dementia patients, but its nature is unclear in patients with semantic dementia (SD). This study aimed to clarify caregiver burden for right- (R > L) and left-sided (L > R) predominant SD versus behavioral-variant frontotemporal dementia (bvFTD) patients. Methods: Using the Japanese version of the Zarit Burden Interview (ZBI) and the Neuropsychiatric Inventory, we examined caregiver burden and behavioral and psychological symptoms of dementia (BPSD) in 43 first-visit outpatient/family caregiver dyads (bvFTD, 20 dyads; SD [L > R], 13 dyads; SD [R > L], 10 dyads)...
January 2018: Dementia and Geriatric Cognitive Disorders Extra
Anne-Sofie Helvik, Knut Engedal, Jūratė Šaltytė Benth, Geir Selbæk
Objectives: We described the duration from symptom debut to assessment at specialist healthcare outpatient clinics for dementia in Norway and explored whether educational level was associated with time from symptom debut to dementia assessment. Methods: The study comprised 835 persons from a register for individuals with cognitive symptoms (NorCog). The outcome variable was time in months from symptom debut to assessment. The main independent variable was the number of years of education...
January 2018: Dementia and Geriatric Cognitive Disorders Extra
Emilia Salvadori, Anna Poggesi, Giovanni Pracucci, Alberto Chiti, Laura Ciolli, Mirco Cosottini, Alessandra Del Bene, Nicola De Stefano, Stefano Diciotti, Ilaria Di Donato, Andrea Ginestroni, Sandro Marini, Mario Mascalchi, Serena Nannucci, Giovanni Orlandi, Marco Pasi, Francesca Pescini, Raffaella Valenti, Antonio Federico, Maria Teresa Dotti, Ubaldo Bonuccelli, Domenico Inzitari, Leonardo Pantoni
Aims: The DSM-5 introduced the term "major neurocognitive disorders" (NCDs) to replace the previous term "dementia." However, psychometric and functional definitions of NCDs are missing. We aimed to apply the DSM-5 criteria for diagnosing the transition to NCD to patients with mild cognitive impairment (MCI) and small vessel disease (SVD), and to define clinically significant thresholds for this transition. Methods: The functional and cognitive features of the NCD criteria were evaluated as change from baseline and operationalized according to hierarchically ordered psychometric rules...
January 2018: Dementia and Geriatric Cognitive Disorders Extra
Muath Alkhunizan, Abdullah Alkhenizan, Loay Basudan
Introduction: The age of the population in Saudi Arabia is shifting toward elderly, which can lead to an increased risk of mild cognitive impairment (MCI) and dementia. Objective: The aim of this study is to determine the prevalence of cognitive impairment (MCI and dementia) among elderly patients in a community-based setting in Riyadh, Saudi Arabia. Methods: In this cross-sectional study, we included patients aged 60 years and above who were seen in the Family Medicine Clinics affiliated with King Faisal Specialist Hospital and Research Centre...
January 2018: Dementia and Geriatric Cognitive Disorders Extra
Takahiro Mori, Takashi Kikuchi, Yumi Umeda-Kameyama, Kenji Wada-Isoe, Shinsuke Kojima, Tatsuo Kagimura, Chiaki Kudoh, Hirotake Uchikado, Akinori Ueki, Masato Yamashita, Toshiyuki Watabe, Chika Nishimura, Norifumi Tsuno, Takashi Ueda, Masahiro Akishita, Yu Nakamura
Background: In this study, we examined the construct validity, concurrent validity concerning other standard scales, intrarater reliability, and changes in scores at 12 weeks of the previously developed ABC Dementia Scale (ABC-DS), a novel assessment tool for Alzheimer's disease (AD). Methods: Data were obtained from 312 patients diagnosed with either AD or mild cognitive impairment. The scores on the ABC-DS and standard scales were compared. Results: The 13 items of the ABC-DS are grouped into three domains, and the domain-level scores were highly correlated with the corresponding conventional scales...
January 2018: Dementia and Geriatric Cognitive Disorders Extra
Yoshiko Furiya, Takami Tomiyama, Tesseki Izumi, Naoki Ohba, Satoshi Ueno
Background: Weight loss accelerates cognitive decline and increases mortality in patients with dementia. While acetylcholinesterase (AChE) inhibitors are known to cause appetite loss, we sometimes encounter patients in whom switching from donepezil (AChE inhibitor) to rivastigmine (AChE and butyrylcholinesterase [BuChE] inhibitor) improves appetite. Since BuChE inactivates ghrelin, a potent orexigenic hormone, we speculated that rivastigmine improves appetite by inhibiting BuChE-mediated ghrelin inactivation...
January 2018: Dementia and Geriatric Cognitive Disorders Extra
Georg Adler, Agnies Marczak, Jana Binder
Background: Cognitive blackouts, e.g. moments of amnesia, disorientation, or perplexity may be an early sign of incipient Alzheimer's dementia (AD). A short questionnaire, the checklist for cognitive blackouts (CCB), was evaluated cross-sectionally in users of a memory clinic. Methods: The CCB was performed in 130 subjects, who further underwent a neuropsychological and clinical examination. Subjective memory impairment and depressive symptoms were assessed. Differences in the CCB score between diagnostic groups and relationships with cognitive performance, depression, and subjective memory impairment were analyzed...
January 2018: Dementia and Geriatric Cognitive Disorders Extra
Flavia Mayer, Alessandra Di Pucchio, Eleonora Lacorte, Ilaria Bacigalupo, Fabrizio Marzolini, Gianluigi Ferrante, Valentina Minardi, Maria Masocco, Marco Canevelli, Teresa Di Fiandra, Nicola Vanacore
Background: Up to 53.7% of all cases of dementia are assumed to be due to Alzheimer disease (AD), while 15.8% are considered to be due to vascular dementia (VaD). In Europe, about 3 million cases of AD could be due to 7 potentially modifiable risk factors: diabetes, midlife hypertension and/or obesity, physical inactivity, depression, smoking, and low educational level. Aims: To estimate the number of VaD cases in Europe and the number of AD and VaD cases in Italy attributable to these 7 potentially modifiable risk factors...
January 2018: Dementia and Geriatric Cognitive Disorders Extra
Antti Cajanus, Anette Hall, Juha Koikkalainen, Eino Solje, Antti Tolonen, Timo Urhemaa, Yawu Liu, Ramona M Haanpää, Päivi Hartikainen, Seppo Helisalmi, Ville Korhonen, Daniel Rueckert, Steen Hasselbalch, Gunhild Waldemar, Patrizia Mecocci, Ritva Vanninen, Mark van Gils, Hilkka Soininen, Jyrki Lötjönen, Anne M Remes
Aims: We assessed the value of automated MRI quantification methods in the differential diagnosis of behavioral-variant frontotemporal dementia (bvFTD) from Alzheimer disease (AD), Lewy body dementia (LBD), and subjective memory complaints (SMC). We also examined the role of the C9ORF72 -related genetic status in the differentiation sensitivity. Methods: The MRI scans of 50 patients with bvFTD (17 C9ORF72 expansion carriers) were analyzed using 6 quantification methods as follows: voxel-based morphometry (VBM), tensor-based morphometry, volumetry (VOL), manifold learning, grading, and white-matter hyperintensities...
January 2018: Dementia and Geriatric Cognitive Disorders Extra
Tomaž Rus, Bogdan Lorber, Maja Trošt, Srečko Dobrecovič, Nuška Čakš Jager, Mara Popović, Milica G Kramberger
Background: Creutzfeldt-Jakob disease (CJD) is a rare fatal neurodegenerative disorder presenting with rapid cognitive decline and additional signs. The clinical characteristics of an increasing number of sporadic CJD (sCJD) patients admitted to the Ljubljana University Medical Centre are presented as well as the incidence of sCJD in Slovenia in 2015 compared to previous years. Methods: We investigated patients presenting with rapidly progressive dementia and at least one additional sign...
January 2018: Dementia and Geriatric Cognitive Disorders Extra
Fiammetta Monacelli, Alessio Signori, Matteo Prefumo, Chiara Giannotti, Alessio Nencioni, Emanuele Romairone, Stefano Scabini, Patrizio Odetti
Background/Aims: Postoperative delirium (POD) is more frequent in elderly patients undergoing major cancer surgery. The interplay between individual clinical vulnerability and a series of perioperative factors seems to play a relevant role. Surgery is the first-line treatment option for cancer, and fast-track surgery (FTS) has been documented to decrease postoperative complications. The study sought to assess, after comprehensive geriatric assessment (CGA) and frailty stratification (Rockwood 40 items index), which perioperative parameters were predictive of POD development in elderly patients undergoing FTS for colorectal cancer...
January 2018: Dementia and Geriatric Cognitive Disorders Extra
Makiko Abe, Ken-Ichi Tabei, Masayuki Satoh, Mari Fukuda, Hironobu Daikuhara, Mariko Shiga, Hirotaka Kida, Hidekazu Tomimoto
Background/Aims: The missing fundamental phenomenon (MFP) is a universal pitch perception illusion that occurs in animals and humans. In this study, we aimed to determine whether the MFP is impaired in patients with Alzheimer's disease (AD) using an auditory pitch perception experiment. We further examined anatomical correlates of the MFP in patients with AD by measuring gray matter volume (GMV) on magnetic resonance images via voxel-based morphometric analysis. Methods: We prospectively enrolled 29 patients with AD and 20 healthy older adults...
January 2018: Dementia and Geriatric Cognitive Disorders Extra
Peter Bruhn, Jesper Dammeyer
Background/Aims: Individuals with dual sensory loss (DSL) are more likely to experience cognitive decline with age than individuals without sensory loss. Other studies have pointed to the challenges in assessing cognitive abilities in individuals with DSL, as most existing instruments rely on use of vision and hearing. The aim of this study was to develop and evaluate a Tactile Test Battery (TTB) for cognitive assessment in individuals with DSL. Method: Twenty elderly individuals with DSL, 20 with diagnosed dementia, and 20 without dementia or DSL (controls) completed the following tactile tests developed for the present study: Spatial learning, Spatial recall, Tactile form board, Clock reading, and Naming...
January 2018: Dementia and Geriatric Cognitive Disorders Extra
Satoshi Hayashi, Seishi Terada, Etsuko Oshima, Shuhei Sato, Kairi Kurisu, Shintaro Takenoshita, Osamu Yokota, Norihito Yamada
Objective: Among many cognitive function deficits, memory impairment is an initial and cardinal symptom in Alzheimer disease (AD). In most cases, verbal and visual memory scores correlate highly, but in some cases the deficit of verbal or visual memory is very different from that of the other memory. In this study, we examined the neural substrates of verbal and visual memory in patients with AD. Methods: One hundred eighty-eight consecutive patients with AD were recruited from outpatient units...
January 2018: Dementia and Geriatric Cognitive Disorders Extra
Akito Tsugawa, Yusuke Ogawa, Naoto Takenoshita, Yoshitsugu Kaneko, Hirokuni Hatanaka, Eriko Jaime, Raita Fukasawa, Haruo Hanyu
Background/Aims: Diabetes-related dementia (DrD), a dementia subgroup associated with specific diabetes mellitus (DM)-related metabolic abnormalities, is clinically and pathophysiologically different from Alzheimer disease (AD) and vascular dementia. We determined whether skeletal muscle strength, quality, and mass decrease in individuals with DrD. Methods: We evaluated grip and knee extension strength, muscle mass, and gait speed in 106 patients with probable AD and without type 2 DM (AD[-DM] group), 74 patients with probable AD and with DM (AD[+DM] group), and 36 patients with DrD (DrD group)...
September 2017: Dementia and Geriatric Cognitive Disorders Extra
(no author information available yet)
[This corrects the article DOI: 10.1159/000468923.].
September 2017: Dementia and Geriatric Cognitive Disorders Extra
Jingkai Wei, Yirui Hu, Li Zhang, Qiang Hao, Ruowei Yang, Haidong Lu, Xuan Zhang, Eeshwar K Chandrasekar
Background: To estimate a pooled association between hearing impairment and risk of mild cognitive impairment and dementia. Methods: PubMed, Embase, and Web of Science were searched for prospective cohort studies that examined the association between hearing impairment and risk of mild cognitive impairment and/or dementia. Random-effects models were fitted to estimate the summary risk ratios (RRs) and 95% confidence interval (CIs), which represents the pooled association between hearing impairment with risk of mild cognitive impairment and dementia, compared to subjects free of hearing impairment...
September 2017: Dementia and Geriatric Cognitive Disorders Extra
Catharina Melander, Jesper Martinsson, Silje Gustafsson
Background: Understanding and interpreting the complexity of agitation in people with dementia is challenging. Objective: To explore whether a sensor measuring electrodermal activity (EDA) can improve the identification of agitation in individuals with dementia. Methods: Nine individuals with dementia wore a sensor that measured EDA. During the same time, assistant nurses annotated the observed behavior of the person with dementia. A binary logistic regression model was applied to assess the relationship between the sensor and the assistant nurses' structured observations of agitation...
September 2017: Dementia and Geriatric Cognitive Disorders Extra
Masoome Salehi, Mohsen Reisi, Leila Ghasisin
Background: The purpose of the study was to analyze naming errors in patients with Alz-heimer's disease in comparison to healthy subjects and determine the underlying cause of naming errors in these patients. Method: In this study, we included 35 healthy elderly subjects, 23 patients with mild Alzheimer's disease, and 23 with moderate Alzheimer's disease. Forty-five images were used to determine the type of naming errors, and to identify the underlying cause of errors, matching an image with a written word was used...
September 2017: Dementia and Geriatric Cognitive Disorders Extra
Masayuki Satoh, Keisuke Okamoto, Ken-Ichi Tabei, Hirotaka Kida, Hidekazu Tomimoto, Hideo Eda
Aims: The aims of this study were (1) to investigate the influence of physical movement on near-infrared spectroscopy (NIRS) data, (2) to establish a video-NIRS system which simultaneously records NIRS data and the subject's movement, and (3) to measure the oxygenated hemoglobin (oxy-Hb) concentration change (Δoxy-Hb) during a word fluency (WF) task. Experiment 1: In 5 healthy volunteers, we measured the oxy-Hb and deoxygenated hemoglobin (deoxy-Hb) concentrations during 11 kinds of facial, head, and extremity movements...
September 2017: Dementia and Geriatric Cognitive Disorders Extra
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