Guerry M Peavy, Namkhuê Võ, Carolyn Revta, Anna T Lu, Jody-Lynn Lupo, Percival Nam, Khải H Nguyễn, Li-San Wang, Howard H Feldman
{"title":"Asian Cohort for Alzheimer Disease (ACAD) Pilot Study: Vietnamese Americans.","authors":"Guerry M Peavy, Namkhuê Võ, Carolyn Revta, Anna T Lu, Jody-Lynn Lupo, Percival Nam, Khải H Nguyễn, Li-San Wang, Howard H Feldman","doi":"10.1097/WAD.0000000000000631","DOIUrl":"10.1097/WAD.0000000000000631","url":null,"abstract":"<p><strong>Introduction: </strong>The objective of this pilot study was to establish the feasibility of recruiting older Vietnamese Americans for research addressing genetic and nongenetic risk factors for Alzheimer disease (AD).</p><p><strong>Methods: </strong>Twenty-six Vietnamese Americans were recruited from communities in San Diego. A Community Advisory Board provided cultural and linguistic advice. Bilingual/bicultural staff measured neuropsychological, neuropsychiatric, lifestyle, and medical/neurological functioning remotely. Saliva samples allowed DNA extraction. A consensus team reviewed clinical data to determine a diagnosis of normal control (NC), mild cognitive impairment (MCI), or dementia. Exploratory analyses addressed AD risk by measuring subjective cognitive complaints (SCC), depression, and vascular risk factors (VRFs).</p><p><strong>Results: </strong>Twenty-five participants completed the study (mean age=73.8 y). Eighty percent chose to communicate in Vietnamese. Referrals came primarily from word of mouth within Vietnamese communities. Diagnoses included 18 NC, 3 MCI, and 4 dementia. Participants reporting SCC acknowledged more depressive symptoms and had greater objective cognitive difficulty than those without SCC. Eighty-eight percent of participants reported at least 1 VRF.</p><p><strong>Discussion: </strong>This pilot study supports the feasibility of conducting community-based research in older Vietnamese Americans. Challenges included developing linguistically and culturally appropriate cognitive and neuropsychiatric assessment tools. Exploratory analyses addressing nongenetic AD risk factors suggest topics for future study.</p>","PeriodicalId":7679,"journal":{"name":"Alzheimer Disease & Associated Disorders","volume":"38 3","pages":"277-284"},"PeriodicalIF":1.8,"publicationDate":"2024-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11340683/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142034897","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Lei Lei Zhang, Katya Numbers, Henry Brodaty, Ben C P Lam, Gowsaly Mahalingam, Simone Reppermund
{"title":"Does Mild Functional Impairment Predict Dementia in Older Adults With Normal Cognition?","authors":"Lei Lei Zhang, Katya Numbers, Henry Brodaty, Ben C P Lam, Gowsaly Mahalingam, Simone Reppermund","doi":"10.1097/WAD.0000000000000638","DOIUrl":"https://doi.org/10.1097/WAD.0000000000000638","url":null,"abstract":"<p><strong>Objectives: </strong>Functional impairment can be an early indicator of cognitive decline. However, its predictive utility in cognitively normal (CN) older adults remains unclear. This study aimed to determine whether mild functional impairment (MFI) in CN older adults could predict incident dementia over 6 years, in addition to assessing its association with cognitive performance.</p><p><strong>Design: </strong>A longitudinal study with a 6-year follow-up.</p><p><strong>Participants: </strong>A cohort of 296 community-dwelling CN older adults.</p><p><strong>Measurements: </strong>MFI was defined by cutoffs for impairment on an objective performance-based and/or subjective questionnaire-based functional assessment. Cox regression analysis was conducted to assess the relationship between MFI and risk of incident dementia and cognitive performances over 6 years. Linear regression analysis examined the association between MFI and baseline cognitive performance.</p><p><strong>Results: </strong>There were no significant longitudinal associations between MFI and incident dementia or changes in cognitive performance over 6 years. Defining MFI using both performance-based and informant-reported assessments was predictive of dementia. Cross-sectional analyses demonstrated significant associations between MFI and poorer baseline global cognition and performance in attention, visuospatial ability, and executive functioning.</p><p><strong>Conclusions: </strong>CN older adults with MFI were not at an increased risk of developing dementia over 6 years. A definition of functional impairment requiring both performance-based and informant-based assessments may be useful in predicting dementia.</p>","PeriodicalId":7679,"journal":{"name":"Alzheimer Disease & Associated Disorders","volume":"38 3","pages":"257-264"},"PeriodicalIF":1.8,"publicationDate":"2024-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142034898","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Moslem Taheri Soodejani, Marjan Rasoulian Kasrineh, Seyyed Mohammad Tabatabaei
{"title":"Incidence of Alzheimer Disease and Related Dementias in Iran From 2010 to 2019.","authors":"Moslem Taheri Soodejani, Marjan Rasoulian Kasrineh, Seyyed Mohammad Tabatabaei","doi":"10.1097/WAD.0000000000000628","DOIUrl":"10.1097/WAD.0000000000000628","url":null,"abstract":"<p><p>This is the first comprehensive national and subnational epidemiological study reporting the incidence of Alzheimer disease and related dementias (ADRD) in Iran from 2010 to 2019 and predictions for 2024. We extracted age-standardized incidence stratified by sex and provinces from the Institute for Health Measurement and Evaluation (IHME). Arc Map GIS was used to report the geographical distribution, and the Cochran-Armitage test was used for prediction. Predictions showed that the incidence of ADRD would reach 118 (women) and 109 (men) cases per 100,000 population in Iran in 2024. The most increasing incidence from 2010 to 2019 was reported among women in Qom, while Yazd had the most incidences among men and women in 2019. The results showed an increase in the incidence of ADRD in Iran in recent years, and the increase in life expectancy and population aging can be considered as an influential factor.</p>","PeriodicalId":7679,"journal":{"name":"Alzheimer Disease & Associated Disorders","volume":" ","pages":"285-287"},"PeriodicalIF":1.8,"publicationDate":"2024-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141888262","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Urinary AD7c-NTP is Associated With Cognitive Recovery After Ischemic Stroke.","authors":"Yuqin Wang, Huimin Tao, Maohong Cao, Kefu Cai","doi":"10.1097/WAD.0000000000000634","DOIUrl":"10.1097/WAD.0000000000000634","url":null,"abstract":"<p><p>Urinary Alzheimer-associated neuronal thread protein (AD7c-NTP) is regarded as a biomarker for β-amyloid protein deposition in Alzheimer disease (AD). The value of AD7c-NTP in predicting post-stroke cognitive recovery was worth exploring. In total, 224 patients with first-ever stroke were enrolled in this retrospective study. Cognitive assessment was evaluated by Mini-Mental State Examination (MMSE), and cognitive improvement was defined as MMSE scores ≥27 or 4-score elevation at 3-month follow-up after stroke. The AD7c-NTP level was 0.68±0.40 ng/mL in the 135 patients with cognitive improvement, while the AD7c-NTP level was 1.49±0.99 ng/mL in the 89 patients without improvement ( P <0.001). Those displaying better cognitive recovery also had younger ages, higher MMSE scores, and lower NIHSS scores on admission. In multivariable logistic regression analysis, AD7c-NTP concentration (OR=9.14, 95% CI: 4.52-18.49, P <0.001), age (OR=1.04, 95% CI: 1.01-1.08, P =0.012), and NIHSS score on admission (OR=1.17, 95% CI: 1.07-1.28, P <0.001) remained the independent risk factors affecting cognitive recovery. The area under the receiver operating characteristics curve for AD7c-NTP in predicting unfavorable cognitive function was 0.80 (sensitivity: 0.73 and specificity: 0.84). Urinary AD7c-NTP is a valuable biomarker associated with post-stroke cognitive recovery. It might be adopted to discriminate coexisting AD pathology from vascular cognitive impairment.</p>","PeriodicalId":7679,"journal":{"name":"Alzheimer Disease & Associated Disorders","volume":" ","pages":"292-294"},"PeriodicalIF":1.8,"publicationDate":"2024-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141896548","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Andrew J Aschenbrenner, David B Carr, Tammie L S Benzinger, John C Morris, Ganesh M Babulal
{"title":"The Influence of Personality Traits on Driving Behaviors in Preclinical Alzheimer Disease.","authors":"Andrew J Aschenbrenner, David B Carr, Tammie L S Benzinger, John C Morris, Ganesh M Babulal","doi":"10.1097/WAD.0000000000000632","DOIUrl":"10.1097/WAD.0000000000000632","url":null,"abstract":"<p><strong>Introduction: </strong>Alzheimer disease (AD) has a long preclinical phase in which AD pathology is accumulating without detectable clinical symptoms. It is critical to identify participants in this preclinical phase as early as possible since treatment plans may be more effective in this stage. Monitoring for changes in driving behavior, as measured with GPS sensors, has been explored as a low-burden, easy-to-administer method for detecting AD risk. However, driving is a complex, multifaceted process that is likely influenced by other factors, including personality traits, that may change in preclinical AD.</p><p><strong>Methods: </strong>We examine the moderating influence of neuroticism and conscientiousness on longitudinal changes in driving behavior in a sample of 203 clinically normal older adults who are at varying risk of developing AD.</p><p><strong>Results: </strong>Neuroticism moderated rates of change in the frequency of speeding as well as the number of trips taken at night. Conscientiousness moderated rates of change in typical driving space.</p><p><strong>Conclusions: </strong>Personality traits change in early AD and also influence driving behaviors. Studies that seek to utilize naturalistic driving behavior to establish AD risk need to accommodate interpersonal differences, of which personality traits are one of many possible factors. Future studies should explicitly establish how much benefit is provided by including personality traits in predictive models of AD progression.</p>","PeriodicalId":7679,"journal":{"name":"Alzheimer Disease & Associated Disorders","volume":"38 3","pages":"241-248"},"PeriodicalIF":1.8,"publicationDate":"2024-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11524437/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142034972","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Valentine Ucheagwu, Chiamaka Odilora, Rita Ugokwe-Joseph, Bruno Giordani
{"title":"Factor Structure and Internal Consistency of the National Alzheimer Coordinating Center's Uniform Data Set Version 3 Neuropsychological Test Battery (UDSNB 3.0): The Nigeria Sample.","authors":"Valentine Ucheagwu, Chiamaka Odilora, Rita Ugokwe-Joseph, Bruno Giordani","doi":"10.1097/WAD.0000000000000630","DOIUrl":"https://doi.org/10.1097/WAD.0000000000000630","url":null,"abstract":"<p><strong>Background: </strong>Construct validation of cognitive batteries across Africa is imperative to understanding dementia in the region. We examined construct validity and internal consistency of the neuropsychological battery of Uniform Data Set version 3 (UDSNB 3.0) of the Alzheimer Coordinating Center in Nigeria older adults.</p><p><strong>Method: </strong>Three hundred forty-nine (220 females; age: 65 to 85) community dwellers were recruited. UDSNB 3.0 with 12 subscales were used to measure cognition. Two sets of data were collected. First was for exploratory factor analysis (EFA) and second was confirmatory factor analysis (CFA). Four models were specified for CFA.</p><p><strong>Result: </strong>EFA principal axis factor with varimax rotation yielded 4 factors: Executive function, memory, visual-spatial ability, and processing speed. Four CFA were performed based on 4 specified models, with only model 3 showing good model fit: CMIN/DF=2.13; confirmatory fit index=0.94; root mean square error of approximation=0.07. Model 3 had 5 latent variables: working memory, language, verbal memory, visual-spatial ability, and processing speed. UDSNB 3.0 had an overall Cronbach alpha of 0.73, suggesting strong internal reliability with ANOVA model F134,1619=183.65 significant at P<0.001 level of testing.</p><p><strong>Conclusions: </strong>Our study showed that UDSNB 3.0 has construct validity and good internal consistency in our older adult population.</p>","PeriodicalId":7679,"journal":{"name":"Alzheimer Disease & Associated Disorders","volume":"38 3","pages":"265-270"},"PeriodicalIF":1.8,"publicationDate":"2024-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142034899","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Association of Moderate and Vigorous Physical Activity With Cognitive Performance: Evidence From Brazil.","authors":"Ingryd Mayara Nascimento Martins de Pais, Wendell Lima Rabelo, Naomi Vidal Ferreira, Cleusa Pinheiro Ferri, Claudia Kimie Suemoto, Natalia Gomes Gonçalves","doi":"10.1097/WAD.0000000000000637","DOIUrl":"10.1097/WAD.0000000000000637","url":null,"abstract":"<p><strong>Objective: </strong>It is estimated that 2% of dementia cases worldwide could be prevented with increases in physical activity. However, there is little evidence of the association between vigorous physical activity (VPA) and cognitive performance. This study aimed to investigate the association of moderate physical activity (MPA) and VPA with cognitive performance in older adults from the Brazilian Longitudinal Study of Aging (ELSI-Brasil).</p><p><strong>Patients and methods: </strong>Data from 7954 participants were analyzed. Mean age was 61.8 ± 9.2 years, 61.8% were women, and 44.3% were mixed races. Cognitive performance evaluated the memory, temporal orientation, and verbal fluency domains. A global composite z-score was derived from the tests. Physical activity was assessed by self-report. We used linear regression models to verify the association of MPA and VPA with cognitive performance.</p><p><strong>Results: </strong>Compared with participants who did not meet the guidelines for MPA (<150 min/wk), those who met the guidelines (150 to 299 min/wk) and those who performed more than 2x the recommended amount of MPA (300 min or more/wk) had better global cognitive performance (β = 0.163, 95% CI = 0.086, 0.241; P < 0.001; β = 0.180, 95% CI = 0.107, 0.253, P < 0.001, respectively). We found no association between VPA and cognitive performance.</p><p><strong>Conclusion: </strong>There was no additional benefit of VPA for cognitive performance.</p>","PeriodicalId":7679,"journal":{"name":"Alzheimer Disease & Associated Disorders","volume":" ","pages":"249-256"},"PeriodicalIF":1.8,"publicationDate":"2024-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141878169","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Eleni Dimakopoulou, Theodoros M Bampouras, Georgia Katsardi, Georgios Tavoulareas, Maria Karydaki, Maria Theodorelou, Panagiota Zoi, Paraskevi Sakka
{"title":"Exploring Musculoskeletal Injuries Among Informal and Formal Carers of People With Dementia.","authors":"Eleni Dimakopoulou, Theodoros M Bampouras, Georgia Katsardi, Georgios Tavoulareas, Maria Karydaki, Maria Theodorelou, Panagiota Zoi, Paraskevi Sakka","doi":"10.1097/WAD.0000000000000635","DOIUrl":"10.1097/WAD.0000000000000635","url":null,"abstract":"<p><strong>Background: </strong>Carers of people with dementia manually handle the care recipients (eg, repetitive lifting, transferring, and pulling) as part of the care service, increasing the musculoskeletal injury risk to themselves.</p><p><strong>Objective: </strong>We aimed to determine the prevalence of musculoskeletal injuries among informal and formal carers of people with dementia and the perceived associated risk factors.</p><p><strong>Methods: </strong>Primary carers of people with dementia (26 males and 141 females) from Dementia Care Centers and Home Care programs completed a questionnaire providing information about (a) the carers' and their care recipients' characteristics, (b) musculoskeletal symptoms (via the Nordic Musculoskeletal Questionnaire) and related aspects, and (c) the caregiving activities exposing the carers to risk of musculoskeletal injury.</p><p><strong>Results: </strong>Our results showed that 69.7% of informal and 86.7% of formal carers reported having more than 1 musculoskeletal injury, while 63.1% and 61.5%, respectively, reported having a musculoskeletal injury in the last year. Lower back had the highest injury prevalence (>10% for both groups). The 2 carer groups were not different in any of the variables.</p><p><strong>Conclusions: </strong>Our results reinforce calls for education and support of carers, regardless of their formal status, to enable injury-free and prolonged service provision.</p>","PeriodicalId":7679,"journal":{"name":"Alzheimer Disease & Associated Disorders","volume":" ","pages":"271-276"},"PeriodicalIF":1.8,"publicationDate":"2024-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141900685","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Carly A Bretecher, Ashley Verot, James M Teschuk, Maria A Uehara, Paul B Fitzgerald, Lisa Koski, Brian J Lithgow, Zahra Moussavi
{"title":"Quantitative Analysis of Factors of Attrition in a Double-blind rTMS Study for Alzheimer Treatment.","authors":"Carly A Bretecher, Ashley Verot, James M Teschuk, Maria A Uehara, Paul B Fitzgerald, Lisa Koski, Brian J Lithgow, Zahra Moussavi","doi":"10.1097/WAD.0000000000000633","DOIUrl":"10.1097/WAD.0000000000000633","url":null,"abstract":"<p><p>Attrition is a particular concern in studies examining the efficacy of a treatment for Alzheimer disease. Analyzing reasons for withdrawal in Alzheimer studies is crucial to ruling out attrition bias, which can undermine a study's validity. In contrast, attrition in studies using repetitive transcranial magnetic stimulation (rTMS) has received much less attention. Our goal was to identify any commonalities between participants who withdrew for the same reasons. Three independent coders rated each response concerning the reasons for withdrawal, and frequency tables were generated to characterize the participants within each category. This study was conducted on the 28 withdrawn cases from a 7-month study investigating the short-term and long-term therapeutic effects of rTMS for Alzheimer disease among 156 participants across 3 sites of the study. Seven reasons for withdrawal were identified, with health and medical changes being the most commonly reported reason (7 participants). Personal issues involving family or caregivers were the next most common (5 participants), and the remaining 5 categories consisted of 3 participants each. Although the limited sample size prevented the use of inferential statistics, our findings highlight the need for more transparent reporting of attrition rates and withdrawal reasons by rTMS researchers.</p>","PeriodicalId":7679,"journal":{"name":"Alzheimer Disease & Associated Disorders","volume":" ","pages":"288-291"},"PeriodicalIF":1.8,"publicationDate":"2024-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141900628","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"High School Curriculum and Cognitive Function in the Eighth Decade of Life.","authors":"Sara M Moorman, Saber Khani","doi":"10.1097/WAD.0000000000000629","DOIUrl":"10.1097/WAD.0000000000000629","url":null,"abstract":"<p><strong>Introduction: </strong>Formal educational attainment, or years of schooling, has a well-established positive effect on cognitive health across the life course. We hypothesized that the content and difficulty of the curriculum influence this relationship, such that more challenging curricula in high school lead to higher levels of socioeconomic attainment in adulthood and, in turn, to better cognitive outcomes in older adulthood.</p><p><strong>Methods: </strong>We estimated multilevel structural equation models (MSEMs) in data from 2,405 individuals who attended one of 1,312 US high schools in 1960 and participated in the Project Talent Aging Study in 2018.</p><p><strong>Results: </strong>A college preparatory curriculum and a greater number of semesters of math and science in high school were positively related to word recall and verbal fluency at an average age of 75. Effects were robust to controlling for adolescent cognitive ability, academic performance, socioeconomic background, and school characteristics.</p><p><strong>Discussion: </strong>We discuss the implications of these findings for educational policy.</p>","PeriodicalId":7679,"journal":{"name":"Alzheimer Disease & Associated Disorders","volume":" ","pages":"235-240"},"PeriodicalIF":1.8,"publicationDate":"2024-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11849057/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141900627","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}