1
|
Karr JE, Ingram EO. Base rates of healthy community-dwelling adults meeting criteria for traumatic encephalopathy syndrome and levels of chronic traumatic encephalopathy certainty. Clin Neuropsychol 2024:1-25. [PMID: 39256925 DOI: 10.1080/13854046.2024.2399797] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2024] [Accepted: 08/29/2024] [Indexed: 09/12/2024]
Abstract
Objective: The National Institute of Neurological Disorders and Stroke (NINDS) recently revised criteria for Traumatic Encephalopathy Syndrome (TES) (Katz et al.), aiming to improve the specificity of former TES criteria (Montenigro et al.) and adding methods to gauge certainty of underlying Chronic Traumatic Encephalopathy (CTE). This study examined base rates of Montenigro et al. and Katz et al. TES criteria in healthy community-dwelling adults. Method: Participants consisted of healthy adults (n = 835; M = 48.1 ± 18.2 years-old, range = 18-85; 37.1% male; 64.1% White) without known history of neurotrauma or psychiatric or neurological conditions. The former and current TES criteria were operationalized using the NIH Toolbox Cognition, Motor, and Emotion batteries and PROMIS-29. Results: Per Katz et al. criteria, 36.9% had symptoms Suggestive of CTE (i.e. either cognitive impairment or neurobehavioral dysregulation), 4.1% had Possible CTE (i.e. requiring cognitive impairment and two additional criteria), and 0.8% had Probable CTE (i.e. requiring cognitive impairment and three additional criteria). The requirement of cognitive impairment for Possible CTE certainty decreased the base rate of Possible CTE tenfold from Montenigro et al. criteria (40.1%). Conclusion: The Katz et al. criteria were met less frequently by healthy adults than the Montenigro et al. criteria. Requiring cognitive impairment and more supportive TES features when gauging CTE certainty may reduce false-positive diagnoses. This finding supports the role of neuropsychologists in the diagnosis and monitoring of patients in TES research studies. To assess specificity, future research should examine base rates of Katz et al. criteria in other psychiatric and neurological conditions.
Collapse
Affiliation(s)
- Justin E Karr
- Department of Psychology, University of Kentucky, Lexington, KY, USA
| | - Eric O Ingram
- Department of Psychology, University of Kentucky, Lexington, KY, USA
| |
Collapse
|
2
|
Liu G, Liang J, Hong C, Gao C, Guan B, Liang R, Luo Y, Zheng X. Sensory impairment, loneliness, and the discordance between subjective and objective cognitive function among older adults: A multi-cohort study. Arch Gerontol Geriatr 2024; 124:105482. [PMID: 38735224 DOI: 10.1016/j.archger.2024.105482] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2024] [Revised: 04/28/2024] [Accepted: 05/06/2024] [Indexed: 05/14/2024]
Abstract
OBJECTIVES This study aimed to examine the association between sensory impairment and the discordance between subjective/objective cognitive function among older adults and test the mediating effect of loneliness. METHODS We used data from four cohort studies conducted in 16 countries (N = 19,119). Sensory impairment and subjective cognitive impairment were self-reported. Objective cognitive impairment was measured in three dimensions. Generalized estimating equations were conducted to examine the association between sensory impairment and discordance in subjective/objective cognitive function. Cross-lagged panel model and a bootstrap method with 2,000 samples were employed to verify the mediating effect. RESULTS Sensory impairment was related to an increased risk of subjective cognitive impairment (OR = 4.70, 95 % CI 4.33-5.10), objective impairment (OR = 1.51, 95 %CI 1.31-1.74), as well as the discordance in subjective/objective cognitive function (OR = 1.35, 95 %CI 1.06-1.71 for older adults with normal subjective cognitive function). In contrast, sensory impairment was associated with a decreased risk of discordant subjective/objective cognitive function among those with subjective cognitive impairment (OR = 0.79, 95 %CI 0.66-0.94). Moreover, loneliness mediated the association between sensory impairment and subjective cognitive impairment (standardized indirect effect = 0.002, 95 %CI 0.001-0.004), objective cognitive impairment (standardized indirect effect = 0.005, 95 %CI 0.003-0.007) as well as the discordance in subjective/objective cognitive function (standardized indirect effect = 0.001, 95 %CI 0.001-0.003 for older adults with normal subjective cognitive function). CONCLUSIONS Significant association between sensory impairment and discordance in subjective/objective cognitive function and the mediating role of loneliness were revealed, varying by subjective cognitive function. Early screening on sensory impairment and targeted interventions on loneliness should be considered in future policies on cognitive impairment.
Collapse
Affiliation(s)
- Guangwen Liu
- Department of Global Health, School of Public Health, Peking University, Beijing 100191, China
| | - Jersey Liang
- Department of Health Management and Policy, School of Public Health, University of Michigan, MI 48109, United States
| | - Chenlu Hong
- Department of Global Health, School of Public Health, Peking University, Beijing 100191, China
| | - Changqing Gao
- The Mental Health Center of Kunming Medical University, Kunming 650225, China
| | - Boyuan Guan
- Department of Global Health, School of Public Health, Peking University, Beijing 100191, China; Department of International and Domestic Cooperation, Beijing Tiantan Hospital, Capital Medical University, Beijing 100070, China
| | - Richard Liang
- Department of Epidemiology and Population Health, School of Medicine, Stanford University, CA 94305, USA
| | - Yanan Luo
- Department of Global Health, School of Public Health, Peking University, Beijing 100191, China; School of Population Medicine and Public Health, Chinese Academy of Medical Sciences/Peking Union Medical College, Beijing 100730, China.
| | - Xiaoying Zheng
- School of Population Medicine and Public Health, Chinese Academy of Medical Sciences/Peking Union Medical College, Beijing 100730, China; HeSAY, Peking University, Beijing 100871, China.
| |
Collapse
|
3
|
Posis AIB, Alcaraz JE, Parada H, Shadyab AH, Elman JA, Panizzon MS, Reynolds CA, Franz CE, Kremen WS, McEvoy LK. Association Between Traumatic Brain Injury and Cognitive Decline Among Middle-to-Older Aged Men in the Vietnam Era Twin Study of Aging. Neurotrauma Rep 2024; 5:563-573. [PMID: 39036434 PMCID: PMC11257108 DOI: 10.1089/neur.2024.0034] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/23/2024] Open
Abstract
Traumatic brain injury (TBI) is associated with increased risk of dementia. However, whether TBI is associated with greater cognitive decline over time in specific cognitive domains among older adults is not well understood. This prospective cohort study used data from 1476 male Vietnam Era Twin Study of Aging participants (average age at study entry = 57.9 years, range = 51-71 years; 97.6% non-Hispanic; 92.5% White) collected from 2003 to 2019, who had complete information on prior TBI. Participants completed a comprehensive neuropsychological assessment at up to three visits over up to a 12-year follow-up period during which they also self-reported their history of TBI. Multivariable, linear mixed-effects models were used to assess associations between TBI and cognitive performance trajectories. Effect measure modification by apolipoprotein E (APOE) epsilon 4 (ε4) genotype status was assessed in a subset of participants. Thirty-one percent of participants reported a history of TBI; 29.4% were APOE ε4 carriers. There were no statistically significant associations of TBI with decline in episodic memory, executive function, or processing speed among participants overall. In models stratified by APOE ε4 carrier status, TBI was associated with a larger magnitude of decline in executive function for APOE ε4 carriers (β = -0.0181; 95% confidence interval [CI] -0.0335, -0.0027) compared to noncarriers (β = -0.0031; 95% CI -0.0128, 0.0067; P Interaction = 0.03). In sensitivity analyses, TBI earlier in life (before military induction, average age = 20 years) was associated with faster declines in executive function compared to no TBI, irrespective of APOE ε4 status. In this sample of middle-to-older aged men, TBI was associated with faster declines in executive function among APOE ε4 carriers and among those who reported TBI in early life. These findings support the importance of a life course perspective when considering factors that may influence cognitive health in aging.
Collapse
Affiliation(s)
- Alexander Ivan B. Posis
- Herbert Wertheim School of Public Health and Human Longevity Science, University of California San Diego, La Jolla, California, USA
- School of Public Health, San Diego State University, San Diego, California, USA
| | - John E. Alcaraz
- School of Public Health, San Diego State University, San Diego, California, USA
| | - Humberto Parada
- School of Public Health, San Diego State University, San Diego, California, USA
- Moores Cancer Center, UC San Diego Health, La Jolla, California, USA
- Department of Radiation Medicine & Applied Science, University of California, San Diego, La Jolla, California, USA
| | - Aladdin H. Shadyab
- Herbert Wertheim School of Public Health and Human Longevity Science, University of California San Diego, La Jolla, California, USA
| | - Jeremy A. Elman
- Department of Psychiatry, University of California San Diego, La Jolla, California, USA
- Center for Behavior Genetics of Aging, University of California San Diego, La Jolla, California, USA
| | - Matthew S. Panizzon
- Department of Psychiatry, University of California San Diego, La Jolla, California, USA
- Center for Behavior Genetics of Aging, University of California San Diego, La Jolla, California, USA
| | - Chandra A. Reynolds
- Institute for Behavioral Genetics, University of Colorado Boulder, Boulder, Colorado, USA
| | - Carol E. Franz
- Department of Psychiatry, University of California San Diego, La Jolla, California, USA
- Center for Behavior Genetics of Aging, University of California San Diego, La Jolla, California, USA
| | - William S. Kremen
- Department of Psychiatry, University of California San Diego, La Jolla, California, USA
- Center for Behavior Genetics of Aging, University of California San Diego, La Jolla, California, USA
| | - Linda K. McEvoy
- Herbert Wertheim School of Public Health and Human Longevity Science, University of California San Diego, La Jolla, California, USA
- Kaiser Permanente Washington Health Research Institute, Seattle, Washington, USA
| |
Collapse
|
4
|
Boone KB, Kaufmann PM, Sweet JJ, Leatherberry D, Beattey RA, Silva D, Victor TL, Boone RP, Spector J, Hebben N, Hanks RA, James J. Attorney demands for protected psychological test information: Is access necessary for cross examination or does it lead to misinformation? An interorganizational* position paper. Clin Neuropsychol 2024; 38:889-906. [PMID: 38418959 DOI: 10.1080/13854046.2024.2323222] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2024] [Accepted: 02/20/2024] [Indexed: 03/02/2024]
Abstract
Objective: Some attorneys claim that to adequately cross examine neuropsychological experts, they require direct access to protected test information, rather than having test data analyzed by retained neuropsychological experts. The objective of this paper is to critically examine whether direct access to protected test materials by attorneys is indeed necessary, appropriate, and useful to the trier-of-fact. Method: Examples are provided of the types of nonscientific misinformation that occur when attorneys, who lack adequate training in testing, attempt to independently interpret neurocognitive/psychological test data. Results: Release of protected test information to attorneys introduces inaccurate information to the trier of fact, and jeopardizes future use of tests because non-psychologists are not ethically bound to protect test content. Conclusion: The public policy underlying the right of attorneys to seek possibly relevant documents should not outweigh the damage to tests and resultant misinformation that arise when protected test information is released directly to attorneys. The solution recommended by neuropsychological/psychological organizations and test publishers is to have protected psychological test information exchanged directly and only between clinical psychologist/neuropsychologist experts.
Collapse
Affiliation(s)
| | | | - Jerry J Sweet
- NorthShore University HealthSystem, Evanston, Illinois, USA
| | - David Leatherberry
- Leatherberry Law, a Professional Corporation, San Diego, California, USA
| | - Robert A Beattey
- University of California, Davis School of Medicine, Sacramento, California, USA
| | - Delia Silva
- Independent Practice, San Diego, California, USA
| | - Tara L Victor
- California State University, Dominguez Hills, California, USA
| | | | - Jack Spector
- Independent Practice, Baltimore, Maryland, USA
- Independent Practice, Alexandria, Virginia, USA
- Independent Practice, Charlotte, North Carolina, USA
| | - Nancy Hebben
- Department of Psychiatry, Harvard Medical School, Boston, Massachusetts, USA
- Department of Psychiatry, Cambridge Health Alliance, Cambridge, Massachusetts, USA
- Independent Practice, Newton, Massachusetts, USA
| | - Robin A Hanks
- Department of Physical Medicine and Rehabilitation, Wayne State University School of Medicine, Detroit, Michigan, USA
| | - Joette James
- Alina Assessment Services, Washington, District of Columbia, USA
| |
Collapse
|
5
|
Geleta U, Prajapati P, Bachstetter A, Nelson PT, Wang WX. Sex-Biased Expression and Response of microRNAs in Neurological Diseases and Neurotrauma. Int J Mol Sci 2024; 25:2648. [PMID: 38473893 PMCID: PMC10931569 DOI: 10.3390/ijms25052648] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2024] [Revised: 02/16/2024] [Accepted: 02/21/2024] [Indexed: 03/14/2024] Open
Abstract
Neurological diseases and neurotrauma manifest significant sex differences in prevalence, progression, outcome, and therapeutic responses. Genetic predisposition, sex hormones, inflammation, and environmental exposures are among many physiological and pathological factors that impact the sex disparity in neurological diseases. MicroRNAs (miRNAs) are a powerful class of gene expression regulator that are extensively involved in mediating biological pathways. Emerging evidence demonstrates that miRNAs play a crucial role in the sex dimorphism observed in various human diseases, including neurological diseases. Understanding the sex differences in miRNA expression and response is believed to have important implications for assessing the risk of neurological disease, defining therapeutic intervention strategies, and advancing both basic research and clinical investigations. However, there is limited research exploring the extent to which miRNAs contribute to the sex disparities observed in various neurological diseases. Here, we review the current state of knowledge related to the sexual dimorphism in miRNAs in neurological diseases and neurotrauma research. We also discuss how sex chromosomes may contribute to the miRNA sexual dimorphism phenomenon. We attempt to emphasize the significance of sexual dimorphism in miRNA biology in human diseases and to advocate a gender/sex-balanced science.
Collapse
Affiliation(s)
- Urim Geleta
- Sanders-Brown Center on Aging, College of Medicine, University of Kentucky, Lexington, KY 40536, USA; (U.G.); (P.P.); (A.B.); (P.T.N.)
| | - Paresh Prajapati
- Sanders-Brown Center on Aging, College of Medicine, University of Kentucky, Lexington, KY 40536, USA; (U.G.); (P.P.); (A.B.); (P.T.N.)
| | - Adam Bachstetter
- Sanders-Brown Center on Aging, College of Medicine, University of Kentucky, Lexington, KY 40536, USA; (U.G.); (P.P.); (A.B.); (P.T.N.)
- Spinal Cord and Brain Injury Research Center, College of Medicine, University of Kentucky, Lexington, KY 40536, USA
- Neuroscience, College of Medicine, University of Kentucky, Lexington, KY 40536, USA
| | - Peter T. Nelson
- Sanders-Brown Center on Aging, College of Medicine, University of Kentucky, Lexington, KY 40536, USA; (U.G.); (P.P.); (A.B.); (P.T.N.)
- Spinal Cord and Brain Injury Research Center, College of Medicine, University of Kentucky, Lexington, KY 40536, USA
- Pathology and Laboratory Medicine, College of Medicine, University of Kentucky, Lexington, KY 40536, USA
| | - Wang-Xia Wang
- Sanders-Brown Center on Aging, College of Medicine, University of Kentucky, Lexington, KY 40536, USA; (U.G.); (P.P.); (A.B.); (P.T.N.)
- Spinal Cord and Brain Injury Research Center, College of Medicine, University of Kentucky, Lexington, KY 40536, USA
- Pathology and Laboratory Medicine, College of Medicine, University of Kentucky, Lexington, KY 40536, USA
| |
Collapse
|
6
|
Huang Y, Chen H, Gao M, Lv X, Pang T, Rong S, Xu X, Yuan C. Self- and interviewer-reported cognitive problems in relation to cognitive decline and dementia: results from two prospective studies. BMC Med 2024; 22:23. [PMID: 38229039 PMCID: PMC10792911 DOI: 10.1186/s12916-023-03147-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/30/2023] [Accepted: 11/01/2023] [Indexed: 01/18/2024] Open
Abstract
BACKGROUND Little is known regarding the association of interviewer-reported cognitive problems (ICP) with age-related cognitive decline. We aimed to investigate the independent associations of ICP and the combined associations of ICP and self-reported cognitive problems (SCP) with subsequent cognitive decline and dementia in two prospective cohort studies. METHODS We included 10,976 Chinese (age = 57.7 ± 8.7) and 40,499 European (age = 64.6 ± 9.4) adults without dementia from the China Health and Retirement Longitudinal Study (CHARLS) and the Survey of Health, Ageing, and Retirement in Europe (SHARE). Self-rated memory (5-point scale) and interviewer-rated frequencies of asking for clarification (6-point scale) were used to define SCP and ICP (dichotomized). Outcomes included objective cognitive test scores (z-score transformation) and incident dementia. Generalized estimating equation models were performed to evaluate mean differences in objective cognitive decline. Logistic and Cox regression models were used to estimate the relative risk of dementia. Results from two cohorts were pooled using the random-effects models. RESULTS ICP was associated with faster cognitive decline in CHARLS (βCHARLS = -0.025 [-0.044, -0.006] z-score/year). ICP and SCP were also independently associated with higher risk of dementia in two cohorts (pooled relative risk for SCP = 1.73 [1.30, 2.29]; pooled relative risk for ICP = 1.40 [1.10, 1.79]). In the joint analysis, participants with coexistence of SCP and ICP had the fastest cognitive decline (βCHARLS = -0.051 [-0.080, -0.021]; βSHARE = -0.024 [-0.043, -0.004]; pooled β = -0.035 [-0.061, -0.009] z-score/year) and highest risk of dementia (ORCHARLS = 1.77 [1.42, 2.20]; HRSHARE = 2.94 [2.42, 3.59]; pooled relative risk = 2.29 [1.38, 3.77]). CONCLUSIONS The study suggested that interviewer-reported cognitive problems may be early indicators of cognitive decline and dementia in middle-aged and older adults. A combination of self- and interviewer-reported cognitive problems showed the strongest associations with cognitive decline and dementia.
Collapse
Affiliation(s)
- Yuhui Huang
- School of Public Health, the Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, China
| | - Hui Chen
- School of Public Health, the Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, China
| | - Mengyan Gao
- School of Public Health, the Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, China
| | - Xiaozhen Lv
- Beijing Dementia Key Lab, National Clinical Research Center for Mental Disorders, NHC Key Laboratory of Mental Health (Peking University), Peking University Institute of Mental Health (Sixth Hospital), Beijing, China
| | - Ting Pang
- School of Public Health, the Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, China
| | - Shuang Rong
- Department of Nutrition and Food Hygiene, School of Public Health, Medical College, Wuhan University of Science and Technology, Wuhan, China
| | - Xin Xu
- School of Public Health, the Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, China.
- Memory, Ageing and Cognition Centre, Department of Pharmacology, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Singapore.
| | - Changzheng Yuan
- School of Public Health, the Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, China.
- Department of Nutrition, Harvard T.H. Chan School of Public Health, Boston, MA, USA.
| |
Collapse
|
7
|
Ly MT, Merritt VC, Ozturk ED, Clark AL, Hanson KL, Delano-Wood LM, Sorg SF. Subjective memory complaints are associated with decreased cortical thickness in Veterans with histories of mild traumatic brain injury. Clin Neuropsychol 2023; 37:1745-1765. [PMID: 36883430 DOI: 10.1080/13854046.2023.2184720] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2022] [Accepted: 02/21/2023] [Indexed: 03/09/2023]
Abstract
Objective: Memory problems are frequently endorsed in Veterans following mild traumatic brain injury (mTBI), but subjective complaints are poorly associated with objective memory performance. Few studies have examined associations between subjective memory complaints and brain morphometry. We investigated whether self-reported memory problems were associated with objective memory performance and cortical thickness in Veterans with a history of mTBI. Methods: 40 Veterans with a history of remote mTBI and 29 Veterans with no history of TBI completed the Prospective-Retrospective Memory Questionnaire (PRMQ), PTSD Checklist (PCL), California Verbal Learning Test-2nd edition (CVLT-II), and 3 T T1 structural magnetic resonance imaging. Cortical thickness was estimated in 14 a priori frontal and temporal regions. Multiple regressions adjusting for age and PCL scores examined associations between PRMQ, CVLT-II scores, and cortical thickness within each Veteran group. Results: Greater subjective memory complaints on the PRMQ were associated with lower cortical thickness in the right middle temporal gyrus (β = 0.64, q = .004), right inferior temporal gyrus (β = 0.56, q = .014), right rostral middle frontal gyrus (β = 0.45, q = .046), and right rostral anterior cingulate gyrus (β = 0.58, q = .014) in the mTBI group but not the control group (q's > .05). These associations remained significant after adjusting for CVLT-II learning. CVLT-II performance was not associated with PRMQ score or cortical thickness in either group. Conclusions: Subjective memory complaints were associated with lower cortical thickness in right frontal and temporal regions, but not with objective memory performance, in Veterans with histories of mTBI. Subjective complaints post-mTBI may indicate underlying brain morphometry independently of objective cognitive testing.
Collapse
Affiliation(s)
- Monica T Ly
- Veterans Affairs San Diego Healthcare System (VASDHS), San Diego, CA, USA
- Department of Psychiatry, University of California San Diego Health, CA, USA
| | - Victoria C Merritt
- Veterans Affairs San Diego Healthcare System (VASDHS), San Diego, CA, USA
- Department of Psychiatry, University of California San Diego Health, CA, USA
- Center of Excellence for Stress and Mental Health, VASDHS, San Diego, CA, USA
| | - Erin D Ozturk
- Veterans Affairs San Diego Healthcare System (VASDHS), San Diego, CA, USA
- San Diego Joint Doctoral Program, San Diego State University/University of California San Diego, San Diego, CA, USA
| | - Alexandra L Clark
- Department of Psychology, The University of Texas at Austin, Austin, TX, USA
| | - Karen L Hanson
- Veterans Affairs San Diego Healthcare System (VASDHS), San Diego, CA, USA
- Department of Psychiatry, University of California San Diego Health, CA, USA
| | - Lisa M Delano-Wood
- Veterans Affairs San Diego Healthcare System (VASDHS), San Diego, CA, USA
- Department of Psychiatry, University of California San Diego Health, CA, USA
- Center of Excellence for Stress and Mental Health, VASDHS, San Diego, CA, USA
| | - Scott F Sorg
- Home Base, A Red Sox Foundation and Massachusetts General Hospital Program, Boston, MA, USA
| |
Collapse
|
8
|
Chanti-Ketterl M, Pieper CF, Yaffe K, Plassman BL. Associations Between Traumatic Brain Injury and Cognitive Decline Among Older Male Veterans: A Twin Study. Neurology 2023; 101:e1761-e1770. [PMID: 37673685 PMCID: PMC10634649 DOI: 10.1212/wnl.0000000000207819] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2023] [Accepted: 07/10/2023] [Indexed: 09/08/2023] Open
Abstract
BACKGROUND AND OBJECTIVES Traumatic brain injuries (TBIs) are associated with increased risk of dementia, but whether lifetime TBI influences cognitive trajectories in later life is less clear. Cognitive interventions after TBI may improve cognitive trajectories and delay dementia. Because twins share many genes and environmental factors, we capitalize on the twin study design to examine the association between lifetime TBI and cognitive decline. METHODS Participants were members of the National Academy of Sciences-National Research Council's Twin Registry of male veterans of World War II with self or proxy-reported history of TBI and with up to 4 observations over 12 years of the modified Telephone Interview for Cognitive Status (TICS-m). We used linear random-effects mixed models to analyze the association between TBI and TICS-m in the full sample and among co-twins discordant for TBI. Additional TBI predictor variables included number of TBIs, severity (loss of consciousness [LOC]), and age of first TBI (age <25 vs 25+ years [older age TBI]). Models were adjusted for age (centered at 70 years), age-squared, education, wave, twin pair, lifestyle behaviors, and medical conditions. RESULTS Of 8,662 participants, 25% reported TBI. History of any TBI (β = -0.56, 95% CI -0.73 to -0.39), TBI with LOC (β = -0.51, 95% CI -0.71 to -0.31), and older age TBI (β = -0.66, 95% CI -0.90 to -0.42) were associated with lower TICS-m scores at 70 years. TBI with LOC (β = -0.03, 95% CI -0.05 to -0.001), more than one TBI (β = -0.05, 95% CI -0.09 to -0.002,), and older age TBI (β = -0.06, 95% CI -0.09 to -0.03) were associated with faster cognitive decline. Among monozygotic pairs discordant for TBI (589 pairs), history of any TBI (β = -0.55, 95% CI -0.91 to -0.19) and older age TBI (β = -0.74, 95% CI -1.22 to -0.26) were associated with lower TICS-m scores at 70 years. Those with more than one TBI (β = -0.13, 95% CI -0.23 to -0.03) and older age TBI (β = -0.07, 95% CI -0.13 to -0.002) showed greater cognitive decline compared with their co-twin without TBI. DISCUSSION These findings support an association of the effect of TBI on cognitive score and the rapidity of cognitive decline in later life. The results in monozygotic pairs, who share all genes and many exposures, particularly in early life, provide additional evidence of a causal relationship between TBI and poorer late-life cognitive outcomes.
Collapse
Affiliation(s)
- Marianne Chanti-Ketterl
- From the Department of Psychiatry and Behavioral Sciences (M.C.-K.); Center for Aging and Human Development (M.C.-K., C.F.P., B.L.P.), Duke University Medical Center, Durham, NC; Departments of Biostatistics and Bioinformatics (C.F.P.); Departments of Psychiatry and Behavioral Sciences, Neurology and Epidemiology and Biostatistics (K.Y.), University of California, San Francisco and San Francisco Veterans Affairs Medical Center; and Department of Neurology (B.L.P.), Duke University Medical Center, Durham, NC.
| | - Carl F Pieper
- From the Department of Psychiatry and Behavioral Sciences (M.C.-K.); Center for Aging and Human Development (M.C.-K., C.F.P., B.L.P.), Duke University Medical Center, Durham, NC; Departments of Biostatistics and Bioinformatics (C.F.P.); Departments of Psychiatry and Behavioral Sciences, Neurology and Epidemiology and Biostatistics (K.Y.), University of California, San Francisco and San Francisco Veterans Affairs Medical Center; and Department of Neurology (B.L.P.), Duke University Medical Center, Durham, NC
| | - Kristine Yaffe
- From the Department of Psychiatry and Behavioral Sciences (M.C.-K.); Center for Aging and Human Development (M.C.-K., C.F.P., B.L.P.), Duke University Medical Center, Durham, NC; Departments of Biostatistics and Bioinformatics (C.F.P.); Departments of Psychiatry and Behavioral Sciences, Neurology and Epidemiology and Biostatistics (K.Y.), University of California, San Francisco and San Francisco Veterans Affairs Medical Center; and Department of Neurology (B.L.P.), Duke University Medical Center, Durham, NC
| | - Brenda L Plassman
- From the Department of Psychiatry and Behavioral Sciences (M.C.-K.); Center for Aging and Human Development (M.C.-K., C.F.P., B.L.P.), Duke University Medical Center, Durham, NC; Departments of Biostatistics and Bioinformatics (C.F.P.); Departments of Psychiatry and Behavioral Sciences, Neurology and Epidemiology and Biostatistics (K.Y.), University of California, San Francisco and San Francisco Veterans Affairs Medical Center; and Department of Neurology (B.L.P.), Duke University Medical Center, Durham, NC
| |
Collapse
|
9
|
Moore M, Sandsmark DK. Clinical Updates in Mild Traumatic Brain Injury (Concussion). Neuroimaging Clin N Am 2023; 33:271-278. [PMID: 36965945 DOI: 10.1016/j.nic.2023.01.003] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
Traumatic brain injury (TBI) affects > 3 million people in the United States annually. Although the number of deaths related to severe TBIs has stabalized, mild TBIs, often termed concussions, are increasing. As evidence indicates that a significant proportion of these mild injuries are associated with long-lasting functional deficits that impact work performance, social integration, and may predispose to later cognitive decline, it is important that we (a) recognize these injuries, (b) identify those at highest risk of poor recovery, and (c) initiate appropriate treatments promptly. We discuss the epidemiology of TBI, the most common persistent symptoms, and treatment approaches.
Collapse
Affiliation(s)
- Megan Moore
- Department of Neurology, University of Pennsylvania Perelman School of Medicine, 51 North 39th Street, Andrew Mutch Building 4th Floor, Philadelphia, PA 19104, USA
| | - Danielle K Sandsmark
- Department of Neurology, Division of Neurocritical Care, University of Pennsylvania Perelman School of Medicine, 51 North 39th Street, Medical Office Building Suite 205, Philadelphia, PA 19104, USA.
| |
Collapse
|
10
|
The Power of Perception: Beliefs About Memory Ability Uniquely Contribute to Memory Performance and Quality of Life in Adults Aging with Traumatic Brain Injury. J Int Neuropsychol Soc 2023; 29:159-171. [PMID: 35225201 DOI: 10.1017/s1355617722000078] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Abstract
OBJECTIVE Personal beliefs about memory ability, which comprise memory self-efficacy (MSE), can influence memory performance in healthy older adults. Self-efficacy theory also predicts that MSE biases self-perceptions of functioning more globally, potentially impacting daily activity beyond cognitive performance. People with traumatic brain injury (PwTBI) frequently report debilitating memory problems long after acute recovery, but little is known about how MSE affects health outcomes in this population. We examined demographic and clinical correlates of MSE, as well as its relationship to memory test performance and health-related quality of life (QOL), in older adults with chronic moderate-to-severe TBI (msTBI). METHOD One hundred fourteen adults, aged 50+ and at least 1 year post-msTBI, underwent neuropsychological testing to assess their memory functioning. Participants also self-reported levels of psychological distress, MSE (Cognitive Confidence subscale of the Metacognitions Questionnaire), and health-related QOL (Quality of Life after Brain Injury questionnaire). RESULTS Demographic and injury-related predictors showed weak correlations with MSE. Although the relationship between MSE and general psychological distress was robust, only the former significantly predicted memory performance. Bivariate analyses revealed significant relationships between MSE and five out of the six QOL domains assessed. Multivariate linear regression revealed a significant impact of MSE on overall QOL independent of demographic and clinical variables. CONCLUSIONS Our findings support a unique role for MSE in both the objective cognitive performance and subjective health of PwTBI. Increased focus on self-perceptions of ability and their impact on measured outcomes is an important step towards personalized rehabilitation for adults with chronic msTBI.
Collapse
|
11
|
Bell T, Crowe M, Novack T, Davis RD, Stavrinos D. Severity and correlates of brain fog in people with traumatic brain injury. Res Nurs Health 2023; 46:136-147. [PMID: 36504287 PMCID: PMC10851910 DOI: 10.1002/nur.22280] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2022] [Revised: 11/03/2022] [Accepted: 11/19/2022] [Indexed: 12/14/2022]
Abstract
Brain fog is one symptom that has been underexplored in traumatic brain injury (TBI). We explored the cognitive and affective correlates of brain fog in people with symptomatic mild TBI (n = 15), moderate-to-severe TBI (n = 15), and a healthy control group (n = 16). Measures across the studies assessed "brain fog" (Mental Clutter Scale), objective cognition (Useful Field of View® and Cogstate Brief Battery®), post-concussive symptoms (Post-Concussion Symptom Scale), and depressive symptoms (Profile of Moods Scale). Brain fog was higher in symptomatic mild TBI and moderate-to-severe TBI compared with healthy controls. Greater brain fog corresponded to greater depressive symptoms in symptomatic mild TBI. Greater brain fog corresponded to poorer episodic memory and working memory in moderate-to-severe TBI. Brain fog appears to reflect challenges in recovery, including depressive symptoms and worse cognitive function. Screening for brain fog might be worthwhile in people with brain injuries.
Collapse
Affiliation(s)
- Tyler Bell
- Department of Psychiatry, University of California, San Diego
| | - Michael Crowe
- Department of Psychology, University of Alabama at Birmingham
| | - Thomas Novack
- Department of Physical Medicine & Rehabilitation, University of Alabama at Birmingham
| | | | | |
Collapse
|
12
|
Van Patten R, Iverson GL. Examining associations between concussion history, subjectively experienced memory problems, and general health factors in older men. Clin Neuropsychol 2023; 37:119-140. [PMID: 34668844 DOI: 10.1080/13854046.2021.1991481] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
OBJECTIVE Examine associations between subjective memory complaints (SMCs), concussion history, and cognitive, psychological, and physical health in older men from the general population. METHOD Participants were 504 men aged 50-79 who were recruited using an online labor market. Participants completed a survey assessing demographics, medication history, concussion history, recent memory problems, and additional aspects of recent cognitive, mental, and physical health. RESULTS Men with a lifetime history of ≥3 concussions also reported a lifetime history of being prescribed medication for anxiety (46.8%), depression (43.5%), chronic pain (79.0%), and high blood pressure (66.1%). When asked about symptoms experienced over the past year and the past week, they endorsed higher rates of cognitive and mental health problems, migraines, and difficulties with sleep and fatigue. The multivariable logistic regression model for predicting mild or greater memory problems was significant, χ2(8) = 168.97, p < .001. In unadjusted analyses, significant predictors, in order of magnitude (strongest to weakest), were fatigue (odds ratio [OR] = 3.21), back or neck pain (OR = 2.28), migraines (OR = 2.11), anxiety (OR = 2.07), depression (OR = 2.04), difficulty sleeping (OR = 1.98), and concussion history (OR = 1.49). In the multivariable model, only back or neck pain (OR = 1.51, p = .004) and fatigue (OR = 1.99, p = .004) were significant predictors. CONCLUSIONS A personal history of multiple concussions was associated with perceived memory problems, but to a lesser degree than fatigue, back or neck pain, and migraines.
Collapse
Affiliation(s)
- Ryan Van Patten
- Department of Physical Medicine and Rehabilitation, Harvard Medical School, Boston, MA, USA.,Spaulding Rehabilitation Hospital, Charlestown, MA, USA
| | - Grant L Iverson
- Department of Physical Medicine and Rehabilitation, Harvard Medical School, Boston, MA, USA.,Spaulding Rehabilitation Hospital, Charlestown, MA, USA.,Spaulding Research Institute, Charlestown, MA, USA.,MassGeneral Hospital for Children Sports Concussion Program, Boston, MA, USA.,Home Base, A Red Sox Foundation and Massachusetts General Hospital Program, Charlestown, MA, USA
| |
Collapse
|
13
|
Davies J, Dinyarian C, Wheeler AL, Dale CM, Cleverley K. Traumatic Brain Injury History Among Individuals Using Mental Health and Addictions Services: A Scoping Review. J Head Trauma Rehabil 2023; 38:E18-E32. [PMID: 35452016 DOI: 10.1097/htr.0000000000000780] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
OBJECTIVE Traumatic brain injury (TBI) has been increasingly linked in population research to psychiatric problems as well as substance use and related harms, suggesting that individuals with TBI may also present more frequently to mental health and addictions (MHA) services. Little is known, however, about TBI history among MHA service users. The objectives of this review were to understand (i) the prevalence of TBI history among MHA service users; (ii) how TBI history is identified in MHA service settings; and (iii) predictors or outcomes of TBI that have been reported in MHA service users. METHODS A scoping review was conducted in accordance with PRISMA Scoping Review Extension guidelines. A search for relevant literature was conducted in MEDLINE, PsycINFO, SPORTDiscus, CINAHL, and Embase as well as various gray literature sources. RESULTS Twenty-eight relevant studies were identified. TBI was defined and operationalized heterogeneously between studies, and TBI history prevalence rates ranged considerably among the study samples. The included studies used varied methods to identify TBI history in MHA settings, such as clinical chart audits, single-item questions, or structured questionnaires (eg, Brain Injury Screening Questionnaire or Ohio State University TBI Identification Method). TBI history was most consistently associated with indicators of more severe substance use problems and mental health symptoms as well as increased aggression or risk to others. Studies reported less consistent findings regarding the relationship of TBI to physical health, cognitive impairment, functioning, risk to self, and type of psychiatric diagnosis. CONCLUSION Screening for TBI history in MHA settings may contribute important information for risk assessment and care planning. However, to be clinically useful, assessment of TBI history will require consistent operationalization of TBI as well as use of validated screening methods.
Collapse
Affiliation(s)
- Julia Davies
- Lawrence S. Bloomberg Faculty of Nursing (Mss Davies and Dinyarian and Drs Dale and Cleverley) and Faculty of Medicine (Drs Dale and Cleverley), University of Toronto, Toronto, Canada; Centre for Addiction and Mental Health, Toronto, Canada (Ms Davies and Dr Cleverley); Neuroscience and Mental Health Program, Hospital for Sick Children, Toronto, and Department of Physiology, University of Toronto, Toronto, Canada (Dr Wheeler); and Tory Trauma Program, Sunnybrook Health Sciences Centre, Toronto, and University of Toronto Centre for the Study of Pain, Toronto, Canada (Dr Dale)
| | | | | | | | | |
Collapse
|
14
|
Cohn‐Schwartz E, Finlay JM, Kobayashi LC. Perceptions of societal ageism and declines in subjective memory during the COVID-19 pandemic: Longitudinal evidence from US adults aged ≥55 years. THE JOURNAL OF SOCIAL ISSUES 2022; 78:JOSI12544. [PMID: 36249550 PMCID: PMC9538955 DOI: 10.1111/josi.12544] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/01/2021] [Revised: 07/18/2022] [Accepted: 07/18/2022] [Indexed: 05/07/2023]
Abstract
The cognitive health of older adults since the COVID-19 pandemic onset is unclear, as is the potential impact of pandemic-associated societal ageism on perceived cognition. We investigated associations between perceptions of societal ageism and changes in subjective memory over a 10-month period during the COVID-19 pandemic. We collected longitudinal data from monthly online questionnaires in the nationwide COVID-19 Coping Study of US adults aged ≥55 from April 2020 to January 2021 (N = 4444). We analyzed the data using multivariable longitudinal multilevel models. We identified an overall decline in subjective memory, especially in the initial months of the pandemic. Adults who perceived that societal respect for older adults decreased during the pandemic experienced more rapid declines in their subjective memory. These findings suggest that aging adults perceived a decline in their memory, especially during the initial months of the COVID-19 pandemic. Societal interventions to combat ageism may help improve subjective memory and could decrease risk for cognitive decline among middle-aged and older adults.
Collapse
Affiliation(s)
- Ella Cohn‐Schwartz
- Epidemiology, Biostatistics, and Community Health SciencesFaculty of Health SciencesBen‐Gurion UniversityBeer‐ShevaIsrael
| | - Jessica M. Finlay
- Center for Social Epidemiology and Population HealthDepartment of EpidemiologyUniversity of Michigan School of Public HealthAnn ArborMichiganUSA
- Social Environment and Health ProgramSurvey Research CenterUniversity of Michigan Institute for Social ResearchAnn ArborMichiganUSA
| | - Lindsay C. Kobayashi
- Center for Social Epidemiology and Population HealthDepartment of EpidemiologyUniversity of Michigan School of Public HealthAnn ArborMichiganUSA
| |
Collapse
|
15
|
Hahnefeld L, Vogel A, Gurke R, Geisslinger G, Schäfer MKE, Tegeder I. Phosphatidylethanolamine Deficiency and Triglyceride Overload in Perilesional Cortex Contribute to Non-Goal-Directed Hyperactivity after Traumatic Brain Injury in Mice. Biomedicines 2022; 10:biomedicines10040914. [PMID: 35453664 PMCID: PMC9033131 DOI: 10.3390/biomedicines10040914] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2022] [Revised: 04/09/2022] [Accepted: 04/13/2022] [Indexed: 12/10/2022] Open
Abstract
Traumatic brain injury (TBI) is often complicated by long-lasting disabilities, including headache, fatigue, insomnia, hyperactivity, and cognitive deficits. In a previous study in mice, we showed that persistent non-goal-directed hyperactivity is a characteristic post-TBI behavior that was associated with low levels of endocannabinoids in the perilesional cortex. We now analyzed lipidome patterns in the brain and plasma in TBI versus sham mice in association with key behavioral parameters and endocannabinoids. Lipidome profiles in the plasma and subcortical ipsilateral and contralateral brain were astonishingly equal in sham and TBI mice, but the ipsilateral perilesional cortex revealed a strong increase in neutral lipids represented by 30 species of triacylglycerols (TGs) of different chain lengths and saturation. The accumulation of TG was localized predominantly to perilesional border cells as revealed by Oil Red O staining. In addition, hexosylceramides (HexCer) and phosphatidylethanolamines (PE and ether-linked PE-O) were reduced. They are precursors of gangliosides and endocannabinoids, respectively. High TG, low HexCer, and low PE/PE-O showed a linear association with non-goal-directed nighttime hyperactivity but not with the loss of avoidance memory. The analyses suggest that TG overload and HexCer and PE deficiencies contributed to behavioral dimensions of post-TBI psychopathology.
Collapse
Affiliation(s)
- Lisa Hahnefeld
- Institute of Clinical Pharmacology, Medical Faculty, Goethe-University, 60590 Frankfurt, Germany; (L.H.); (A.V.); (R.G.); (G.G.)
- Fraunhofer Institute for Translational Medicine and Pharmacology ITMP, 60596 Frankfurt, Germany
- Fraunhofer Cluster of Excellence for Immune Mediated Diseases (CIMD), 60596 Frankfurt, Germany
| | - Alexandra Vogel
- Institute of Clinical Pharmacology, Medical Faculty, Goethe-University, 60590 Frankfurt, Germany; (L.H.); (A.V.); (R.G.); (G.G.)
| | - Robert Gurke
- Institute of Clinical Pharmacology, Medical Faculty, Goethe-University, 60590 Frankfurt, Germany; (L.H.); (A.V.); (R.G.); (G.G.)
- Fraunhofer Institute for Translational Medicine and Pharmacology ITMP, 60596 Frankfurt, Germany
- Fraunhofer Cluster of Excellence for Immune Mediated Diseases (CIMD), 60596 Frankfurt, Germany
| | - Gerd Geisslinger
- Institute of Clinical Pharmacology, Medical Faculty, Goethe-University, 60590 Frankfurt, Germany; (L.H.); (A.V.); (R.G.); (G.G.)
- Fraunhofer Institute for Translational Medicine and Pharmacology ITMP, 60596 Frankfurt, Germany
- Fraunhofer Cluster of Excellence for Immune Mediated Diseases (CIMD), 60596 Frankfurt, Germany
| | - Michael K. E. Schäfer
- Department of Anesthesiology, University Medical Center, Johannes Gutenberg-University Mainz, 55131 Mainz, Germany;
| | - Irmgard Tegeder
- Institute of Clinical Pharmacology, Medical Faculty, Goethe-University, 60590 Frankfurt, Germany; (L.H.); (A.V.); (R.G.); (G.G.)
- Correspondence:
| |
Collapse
|
16
|
Boone KB, Sweet JJ, Byrd DA, Denney RL, Hanks RA, Kaufmann PM, Kirkwood MW, Larrabee GJ, Marcopulos BA, Morgan JE, Paltzer JY, Rivera Mindt M, Schroeder RW, Sim AH, Suhr JA. Official position of the American Academy of Clinical Neuropsychology on test security. Clin Neuropsychol 2022; 36:523-545. [DOI: 10.1080/13854046.2021.2022214] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Affiliation(s)
| | | | - Desiree A. Byrd
- Department of Psychiatry, Queens College and The Graduate Center, City University of New York, Queens, NY
| | - Robert L. Denney
- Missouri Memory Center, Citizens Memorial Healthcare, Bolivar, MO
| | - Robin A. Hanks
- Department of Physical Medicine and Rehabilitation, Wayne State University School of Medicine, Detroit, MI
| | - Paul M. Kaufmann
- Office of the General Counsel, Health Law Section, University of Texas System, Austin, TX
| | - Michael W. Kirkwood
- Department of Physical Medicine and Rehabilitation, University of Colorado School of Medicine and Children’s Hospital Colorado, Aurora, CO
| | | | - Bernice A. Marcopulos
- Department of Physical Medicine and Rehabilitation, Wayne State University School of Medicine, Detroit, MI
- Department of Graduate Psychology, James Madison University, Harrisonburg, VA
| | - Joel E. Morgan
- Department of Physical Medicine and Rehabilitation, Wayne State University School of Medicine, Detroit, MI
- Independent Practice, Morristown, NJ
| | - June Yu Paltzer
- Department of Physical Medicine and Rehabilitation, Wayne State University School of Medicine, Detroit, MI
- Department of Neurology, UC Davis School of Medicine, Sacramento, CA
| | - Monica Rivera Mindt
- Department of Physical Medicine and Rehabilitation, Wayne State University School of Medicine, Detroit, MI
- Department of Psychology, Latin American Studies Institute, and African and African American Studies Icahn School of Medicine at Mount Sinai, Department of Neurology, Fordham University, Bronx, NY
| | - Ryan W. Schroeder
- Department of Physical Medicine and Rehabilitation, Wayne State University School of Medicine, Detroit, MI
- School of Medicine, University of Kansas, Wichita, KS
| | - Anita H. Sim
- Department of Physical Medicine and Rehabilitation, Wayne State University School of Medicine, Detroit, MI
- Minneapolis VA Health Care System, Minneapolis, MN
| | - Julie A. Suhr
- Department of Physical Medicine and Rehabilitation, Wayne State University School of Medicine, Detroit, MI
- Department of Psychology, Ohio University, Athens, OH
| |
Collapse
|
17
|
Van Patten R, Iverson GL, Terry DP, Levi CR, Gardner AJ. Predictors and Correlates of Perceived Cognitive Decline in Retired Professional Rugby League Players. Front Neurol 2021; 12:676762. [PMID: 34707552 PMCID: PMC8542796 DOI: 10.3389/fneur.2021.676762] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2021] [Accepted: 09/14/2021] [Indexed: 11/13/2022] Open
Abstract
Objective: Rugby league is an international full-contact sport, with frequent concussive injuries. Participation in other full-contact sports such as American football has been considered to be a risk factor for neuropsychiatric sequelae later-in-life, but little research has addressed the mental and cognitive health of retired professional rugby league players. We examined predictors and correlates of perceived (self-reported) cognitive decline in retired National Rugby League (NRL) players. Methods: Participants were 133 retired male elite level rugby league players in Australia. Participants completed clinical interviews, neuropsychological testing, and self-report measures. The Informant Questionnaire on Cognitive Decline in the Elderly, self-report (IQCODE-Self), measured perceived cognitive decline. Results: The median age of the sample was 55.0 (M = 53.1, SD = 13.9, range = 30-89) and the median years of education completed was 12.0 (M = 11.9, SD = 2.6, range = 7-18). The retired players reported a median of 15.0 total lifetime concussions (M = 28.0, SD = 36.6, range = 0-200). The mean IQCODE-Self score was 3.2 (SD = 0.5; Range = 1.3-5.0); 10/133 (7.5%) and 38/133 (28.6%) scored above conservative and liberal cutoffs for cognitive decline on the IQCODE-Self, respectively. Perceived cognitive decline was positively correlated with current depressive symptoms, negatively correlated with years of professional sport exposure and resilience, and unrelated to objective cognition and number of self-reported concussions. A multiple regression model with perceived cognitive decline regressed on age, concussion history, professional rugby league exposure, depression, resilience, objective cognitive functioning, daytime sleepiness, and pain severity showed depression as the only significant predictor. Conclusion: This is the first large study examining subjectively experienced cognitive decline in retired professional rugby league players. Similar to studies from the general population and specialty clinics, no relationship was found between objective cognitive test performance and perceived cognitive decline. Depressive symptoms emerged as the strongest predictor of perceived cognitive decline, suggesting that subjective reports of worsening cognition in retired elite rugby league players might reflect psychological distress rather than current cognitive impairment.
Collapse
Affiliation(s)
- Ryan Van Patten
- Department of Physical Medicine and Rehabilitation, Harvard Medical School, Boston, MA, United States
- Spaulding Rehabilitation Hospital, Charlestown, MA, United States
| | - Grant L. Iverson
- Department of Physical Medicine and Rehabilitation, Harvard Medical School, Boston, MA, United States
- Spaulding Rehabilitation Hospital, Charlestown, MA, United States
- Spaulding Research Institute, Charlestown, MA, United States
- MassGeneral Hospital for Children Sports Concussion Program, Boston, MA, United States
- Home Base, A Red Sox Foundation and Massachusetts General Hospital Program, Charlestown, MA, United States
| | - Douglas P. Terry
- Department of Physical Medicine and Rehabilitation, Harvard Medical School, Boston, MA, United States
- Spaulding Rehabilitation Hospital, Charlestown, MA, United States
- MassGeneral Hospital for Children Sports Concussion Program, Boston, MA, United States
- Home Base, A Red Sox Foundation and Massachusetts General Hospital Program, Charlestown, MA, United States
| | - Christopher R. Levi
- Sydney Partnership for Health, Education, Research and Enterprise (SPHERE), Liverpool, NSW, Australia
- School of Medicine, University of New South Wales, Randwick, NSW, Australia
- Priority Research Centre for Stroke and Brain Injury, School of Medicine and Public Health, University of Newcastle, Callaghan, NSW, Australia
- Hunter New England Local Health District Sports Concussion Program, Waratah, NSW, Australia
| | - Andrew J. Gardner
- Priority Research Centre for Stroke and Brain Injury, School of Medicine and Public Health, University of Newcastle, Callaghan, NSW, Australia
- Hunter New England Local Health District Sports Concussion Program, Waratah, NSW, Australia
| |
Collapse
|
18
|
Mueller AK, Singh A, Webber MP, Hall CB, Prezant DJ, Zeig‐Owens R. PTSD symptoms, depressive symptoms, and subjective cognitive concerns in WTC-exposed and non-WTC-exposed firefighters. Am J Ind Med 2021; 64:803-814. [PMID: 34415073 DOI: 10.1002/ajim.23285] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2021] [Revised: 08/05/2021] [Accepted: 08/09/2021] [Indexed: 11/12/2022]
Abstract
BACKGROUND Firefighting has been associated with posttraumatic stress disorder (PTSD) and other mental health conditions. We previously found that among Fire Department of the City of New York (FDNY) responders to the World Trade Center (WTC) disaster, higher-intensity WTC-exposure predicted PTSD symptoms, depressive symptoms, and subjective cognitive concerns. The present study aims to compare these symptoms in the FDNY WTC-exposed cohort versus a comparison cohort of non-FDNY, non-WTC-exposed firefighters. METHODS The study population included WTC-exposed male firefighters from FDNY (N = 8466) and non-WTC-exposed male firefighters from Chicago (N = 1195), Philadelphia (N = 770), and San Francisco (N = 650) fire departments who were employed on 9/11/2001 and completed a health questionnaire between 3/1/2018 and 12/31/2020. Current PTSD symptoms, depressive symptoms, and subjective cognitive concerns were assessed via validated screening instruments. Multivariable linear regression analyses stratified by fire department estimated the impact of covariates on each outcome. RESULTS Adjusted mean PTSD symptom scores ranged from 23.5 ± 0.6 in Chicago firefighters to 25.8 ± 0.2 in FDNY, and adjusted mean depressive symptom scores ranged from 7.3 ± 0.5 in Chicago to 9.4 ± 0.6 in Philadelphia. WTC-exposure was associated with fewer subjective cognitive concerns (β = -0.69 ± 0.05, p < .001) after controlling for covariates. Across cohorts, older age was associated with more cognitive concerns, but fewer PTSD and depressive symptoms. CONCLUSIONS WTC-exposed firefighters had fewer cognitive concerns compared with non-WTC-exposed firefighters. We were unable to estimate associations between WTC exposure and PTSD symptoms or depressive symptoms due to variability between non-WTC-exposed cohorts. Longitudinal follow-up is needed to assess PTSD, depressive, and cognitive symptom trajectories in firefighter populations as they age.
Collapse
Affiliation(s)
- Alexandra K. Mueller
- Fire Department of the City of New York Bureau of Health Services Brooklyn New York USA
- Department of Medicine, Pulmonology Division Montefiore Medical Center Bronx New York USA
| | - Ankura Singh
- Fire Department of the City of New York Bureau of Health Services Brooklyn New York USA
- Department of Medicine, Pulmonology Division Montefiore Medical Center Bronx New York USA
| | - Mayris P. Webber
- Fire Department of the City of New York Bureau of Health Services Brooklyn New York USA
- Department of Epidemiology and Population Health Albert Einstein College of Medicine Bronx New York USA
| | - Charles B. Hall
- Department of Epidemiology and Population Health Albert Einstein College of Medicine Bronx New York USA
| | - David J. Prezant
- Fire Department of the City of New York Bureau of Health Services Brooklyn New York USA
- Department of Medicine, Pulmonology Division Montefiore Medical Center Bronx New York USA
| | - Rachel Zeig‐Owens
- Fire Department of the City of New York Bureau of Health Services Brooklyn New York USA
- Department of Medicine, Pulmonology Division Montefiore Medical Center Bronx New York USA
- Department of Epidemiology and Population Health Albert Einstein College of Medicine Bronx New York USA
| |
Collapse
|
19
|
Physical and Functional Impairment Among Older Adults With a History of Traumatic Brain Injury. J Head Trauma Rehabil 2021; 35:E320-E329. [PMID: 31996604 DOI: 10.1097/htr.0000000000000552] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
OBJECTIVES To examine the association of lifetime history of traumatic brain injury (TBI) with later-life physical impairment (PI) and functional impairment (FI) and to evaluate the impact of neurobehavioral symptoms that frequently co-occur with TBI on these relations. PARTICIPANTS A total of 1148 respondents to the 2014 Wave of the Health and Retirement Study, a nationally representative survey of older community-dwelling adults, randomly selected to participate in a TBI exposure survey. They reported no prior TBI (n = 737) or prior TBI (n = 411). DESIGN Cross-sectional survey study. MAIN MEASURES Physical impairment (self-reported difficulty with ≥1 of 8 physical activities); FI (self-reported difficulty with ≥1 of 11 activities of daily living); self-reported current neurobehavioral symptoms (pain, sleep problems, depression, subjective memory impairment); The Ohio State University TBI Identification Method (OSU-TBI-ID)-short form. ANALYSES Stepwise logistic regression models ([1] unadjusted; [2] adjusted for demographics and medical comorbidities; [3] additionally adjusted for neurobehavioral symptoms) compared PI and FI between TBI groups. RESULTS Traumatic brain injury-exposed (mean: 33.6 years postinjury) respondents were younger, less likely to be female, and reported more comorbidities and neurobehavioral symptoms. Although TBI was significantly associated with increased odds of PI and FI in unadjusted models and models adjusted for demographics/comorbidities (adjusted odds ratio, 95% confidence interval: PI 1.62, 1.21-2.17; FI 1.60, 1.20-2.14), this association was no longer statistically significant after further adjustment for neurobehavioral symptoms. CONCLUSION History of TBI is associated with substantial PI and FI among community-dwelling older adults. Further research is warranted to determine whether aggressive management of neurobehavioral symptoms in this population may mitigate long-term PI and FI in this population.
Collapse
|
20
|
Kumar RG, Ornstein KA, Corrigan JD, Sayko Adams R, Dams-O'Connor K. Association between Lifetime History of Traumatic Brain Injury, Prescription Opioid Use, and Persistent Pain: A Nationally Representative Study. J Neurotrauma 2021; 38:2284-2290. [PMID: 33567980 PMCID: PMC8672103 DOI: 10.1089/neu.2020.7496] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022] Open
Abstract
Pain is common among adults with traumatic brain injury (TBI), yet little data exist regarding prevalence of opioid use in this population. The objective of this retrospective cohort study was to evaluate the association between lifetime TBI exposure, opioid use, and pain in a nationally representative sample of 1022 adults aged 50+ who participated in the Health and Retirement Study (HRS). Our primary exposure was lifetime TBI history measured via the Ohio State University TBI Identification Method. We evaluated three alternate TBI exposures (years since most recent TBI, age at first TBI, and number of lifetime TBIs) in sensitivity analyses. We evaluated two outcomes: recent opioid medication use, and moderate-to-severe pain measured over two HRS waves. We classified three pain groups (persistent, intermittent, and no pain). Prevalences of opioid use among individuals with and without TBI were 19.7% and 13.6%, respectively. After adjustment for age, sex, and race, individuals with TBI had a 52% increased risk for opioid use compared with individuals without TBI (relative risk = 1.52, 95% confidence interval: 1.11, 2.04). Individuals with recent TBI (1-10 years ago), first TBI after age 40+, and 2+ lifetime TBIs had greatest risk for opioid use. Compared with individuals without TBI, individuals with TBI had 4.9-times increased odds for persistent versus no pain, and 1.9-times increased odds of intermittent versus no pain. Persistent pain among adults with lifetime TBI is elevated compared with the general population, which may contribute to increased opioid use among persons with TBI, particularly those with recent injuries or multiple lifetime TBIs.
Collapse
Affiliation(s)
- Raj G. Kumar
- Department of Rehabilitation and Human Performance, Icahn School of Medicine at Mount Sinai, New York, New York, USA
| | - Katherine A. Ornstein
- Department of Geriatrics and Palliative Medicine, Icahn School of Medicine at Mount Sinai, New York, New York, USA
- Department of Medicine, Division of General Internal Medicine, and Icahn School of Medicine at Mount Sinai, New York, New York, USA
| | - John D. Corrigan
- Department of Physical Medicine and Rehabilitation, Ohio State University, Columbus, Ohio, USA
| | - Rachel Sayko Adams
- Heller School, Institute for Behavioral Health, Brandeis University, Waltham, Massachusetts, USA
- Rocky Mountain Mental Illness Research Education and Clinical Center, Veterans Health Administration, Aurora, Colorado, USA
| | - Kristen Dams-O'Connor
- Department of Rehabilitation and Human Performance, Icahn School of Medicine at Mount Sinai, New York, New York, USA
- Department of Neurology, Icahn School of Medicine at Mount Sinai, New York, New York, USA
| |
Collapse
|
21
|
Low brain endocannabinoids associated with persistent non-goal directed nighttime hyperactivity after traumatic brain injury in mice. Sci Rep 2020; 10:14929. [PMID: 32913220 PMCID: PMC7483739 DOI: 10.1038/s41598-020-71879-x] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2020] [Accepted: 07/13/2020] [Indexed: 02/06/2023] Open
Abstract
Traumatic brain injury (TBI) is a frequent cause of chronic headache, fatigue, insomnia, hyperactivity, memory deficits, irritability and posttraumatic stress disorder. Recent evidence suggests beneficial effects of pro-cannabinoid treatments. We assessed in mice levels of endocannabinoids in association with the occurrence and persistence of comparable sequelae after controlled cortical impact in mice using a set of long-term behavioral observations in IntelliCages, motor and nociception tests in two sequential cohorts of TBI/sham mice. TBI mice maintained lower body weights, and they had persistent low levels of brain ethanolamide endocannabinoids (eCBs: AEA, OEA, PEA) in perilesional and subcortical ipsilateral brain tissue (6 months), but rapidly recovered motor functions (within days), and average nociceptive responses were within normal limits, albeit with high variability, ranging from loss of thermal sensation to hypersensitivity. TBI mice showed persistent non-goal directed nighttime hyperactivity, i.e. they visited rewarding and non-rewarding operant corners with high frequency and random success. On successful visits, they made more licks than sham mice resulting in net over-licking. The lower the eCBs the stronger was the hyperactivity. In reward-based learning and reversal learning tasks, TBI mice were not inferior to sham mice, but avoidance memory was less stable. Hence, the major late behavioral TBI phenotype was non-goal directed nighttime hyperactivity and "over-licking" in association with low ipsilateral brain eCBs. The behavioral phenotype would agree with a "post-TBI hyperactivity disorder". The association with persistently low eCBs in perilesional and subcortical regions suggests that eCB deficiency contribute to the post-TBI psychopathology.
Collapse
|
22
|
Kornblith ES, Yaffe K, Langa KM, Gardner RC. Prevalence of Lifetime History of Traumatic Brain Injury among Older Male Veterans Compared with Civilians: A Nationally Representative Study. J Neurotrauma 2020; 37:2680-2685. [PMID: 32762279 DOI: 10.1089/neu.2020.7062] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
Traumatic brain injury (TBI) is common among older adults as well as among veterans in the United States and can increase risk for dementia. We compared prevalence of TBI in older male veterans and civilians using a nationally representative sample. We examined data from 599 male respondents to the 2014 wave of the Health and Retirement Study (HRS), a nationally representative survey of older adults, randomly selected to participate in a comprehensive TBI survey. Respondents self-reported no injury, non-TBI head/neck injury (NTI), or TBI. We used weighted analyses to examine prevalence of injury and relative risk of injury subtypes. Among male veterans, we found a national prevalence of more than 70% for lifetime history of any head/neck injury (TBI plus NTI), 14.3% for multiple NTI, and 36% for lifetime history of at least one TBI. In contrast, prevalence estimates for male civilians were 58% for lifetime history of head/neck injury, 4.8% for multiple NTI, and 45% for lifetime history of at least one TBI (all comparisons, p < 0.001). Male civilians have higher self-reported TBI prevalence, whereas male veterans have higher self-reported NTI and multiple-NTI prevalence. Further research on drivers of the unexpectedly higher prevalence of lifetime history of TBI in male civilians, as well as on mechanisms and sequelae of the highly prevalent non-TBI head/neck injuries among older male veterans, is warranted.
Collapse
Affiliation(s)
- Erica S Kornblith
- Department of Psychiatry, University of California, San Francisco, San Francisco, California, USA.,San Francisco Veterans Affairs Medical Center, San Francisco, California, USA
| | - Kristine Yaffe
- Department of Psychiatry, University of California, San Francisco, San Francisco, California, USA.,Department of Epidemiology and Biostatistics, University of California, San Francisco, San Francisco, California, USA.,Department of Neurology, University of California, San Francisco, San Francisco, California, USA.,San Francisco Veterans Affairs Medical Center, San Francisco, California, USA
| | - Kenneth M Langa
- Division of General Medicine, University of Michigan Health System, Ann Arbor, Michigan, USA.,Veterans Affairs Center for Practice Management and Outcomes Research, Ann Arbor, Michigan, USA.,Institute for Social Research, University of Michigan, Ann Arbor, Michigan, USA.,Institute of Gerontology, University of Michigan, Ann Arbor, Michigan, USA.,Institute for Healthcare Policy and Innovation, University of Michigan, Ann Arbor, Michigan, USA
| | - Raquel C Gardner
- Department of Neurology, University of California, San Francisco, San Francisco, California, USA.,San Francisco Veterans Affairs Medical Center, San Francisco, California, USA
| |
Collapse
|
23
|
Marin C, Langdon C, Alobid I, Mullol J. Olfactory Dysfunction in Traumatic Brain Injury: the Role of Neurogenesis. Curr Allergy Asthma Rep 2020; 20:55. [PMID: 32648230 DOI: 10.1007/s11882-020-00949-x] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
PURPOSE OF REVIEW Olfactory functioning disturbances are common following traumatic brain injury (TBI) having a significant impact on quality of life. A spontaneous recovery of the olfactory function over time may occur in TBI patients. Although there is no standard treatment for patients with posttraumatic olfactory loss, olfactory training (OT) has shown some promise beneficial effects. However, the mechanisms underlying spontaneous recovery and olfactory improvement induced by OT are not completely known. RECENT FINDINGS The spontaneous recovery of the olfactory function and the improvement of olfactory function after OT have recently been associated with an increase in subventricular (SVZ) neurogenesis and an increase in olfactory bulb (OB) glomerular dopaminergic (DAergic) interneurons. In addition, after OT, an increase in electrophysiological responses at the olfactory epithelium (OE) level has been reported, indicating that recovery of olfactory function not only affects olfactory processing at the central level, but also at peripheral level. However, the role of OE stem cells in the spontaneous recovery and in the improvement of olfactory function after OT in TBI is still unknown. In this review, we describe the physiology of the olfactory system, and the olfactory dysfunction after TBI. We highlight the possible role for the SVZ neurogenesis and DAergic OB interneurons in the recovery of the olfactory function. In addition, we point out the relevance of the OE neurogenesis process as a future target for the research in the pathophysiological mechanisms involved in the olfactory dysfunction in TBI. The potential of basal stem cells as a promising candidate for replacement therapies is also described.
Collapse
Affiliation(s)
- Concepció Marin
- INGENIO, IRCE, Department 2B, Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Villarroel 170, 08036, Barcelona, Catalonia, Spain. .,Centre for Biomedical Investigation in Respiratory Diseases (CIBERES), Barcelona, Spain.
| | - Cristóbal Langdon
- INGENIO, IRCE, Department 2B, Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Villarroel 170, 08036, Barcelona, Catalonia, Spain.,Centre for Biomedical Investigation in Respiratory Diseases (CIBERES), Barcelona, Spain.,Rhinology Unit and Smell Clinic, ENT Department, Hospital Clínic, Universitat de Barcelona, Barcelona, Catalonia, Spain
| | - Isam Alobid
- INGENIO, IRCE, Department 2B, Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Villarroel 170, 08036, Barcelona, Catalonia, Spain.,Centre for Biomedical Investigation in Respiratory Diseases (CIBERES), Barcelona, Spain.,Rhinology Unit and Smell Clinic, ENT Department, Hospital Clínic, Universitat de Barcelona, Barcelona, Catalonia, Spain
| | - Joaquim Mullol
- INGENIO, IRCE, Department 2B, Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Villarroel 170, 08036, Barcelona, Catalonia, Spain. .,Centre for Biomedical Investigation in Respiratory Diseases (CIBERES), Barcelona, Spain. .,Rhinology Unit and Smell Clinic, ENT Department, Hospital Clínic, Universitat de Barcelona, Barcelona, Catalonia, Spain.
| |
Collapse
|
24
|
Abstract
Traumatic brain injury is a calamity of various causes, pathologies, and extremely varied and often complex clinical presentations. Because of its predilection for brain systems underlying cognitive and complex behavioral operations, it may cause chronic and severe psychiatric illness that requires expert management. This is more so for the modern epidemic of athletic and military brain injuries which are dominated by psychiatric symptoms. Past medical, including psychiatric, history, and comorbidities are important and relevant for formulation and management. Traumatic brain injury is a model for other neuropsychiatric disorders and may serve as an incubator of new ideas for neurodegenerative disease.
Collapse
Affiliation(s)
- Vassilis E Koliatsos
- Department of Pathology (Neuropathology), Johns Hopkins University School of Medicine, Baltimore, MD, USA; Department of Neurology, Johns Hopkins University School of Medicine, Baltimore, MD, USA; Department of Psychiatry and Behavioral Sciences, Johns Hopkins University School of Medicine, Baltimore, MD, USA; Neuropsychiatry Program, Sheppard Pratt Health System, Baltimore, MD, USA.
| | - Vani Rao
- Department of Psychiatry and Behavioral Sciences, Johns Hopkins University School of Medicine, Baltimore, MD, USA
| |
Collapse
|
25
|
Kumar RG, Ornstein KA, Bollens-Lund E, Watson EM, Ankuda CK, Kelley AS, Dams-O'Connor K. Lifetime history of traumatic brain injury is associated with increased loneliness in adults: A US nationally representative study. Int J Geriatr Psychiatry 2020; 35:553-563. [PMID: 31994215 DOI: 10.1002/gps.5271] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/15/2019] [Accepted: 01/21/2020] [Indexed: 11/11/2022]
Abstract
BACKGROUND/OBJECTIVES An estimated 55 million individuals worldwide live with chronic disability associated with traumatic brain injury (TBI), which may include cognitive, behavioral, and social impairments. Reduced participation in social activities is common after TBI; however, few studies have evaluated loneliness among survivors of TBI. The current study aimed to evaluate the association between history of TBI and loneliness and to identify mediators of this association. METHODS/DESIGN Retrospective cohort study. Nationally representative sample of N = 724 adults over age 50 years (Health and Retirement Study). Loneliness was evaluated using the 11-item Revised University of California Los Angeles (R-UCLA) Loneliness Scale (range 11-33). Lifetime history of TBI evaluated retrospectively using the Ohio State University TBI Identification Method. We included the following covariates: age, sex, race, and education; and mediators: depressive symptoms, number of comorbidities, chronic pain, difficulty with activities of daily living, and social network index. RESULTS History of TBI was associated with a 1.28-point (95% CI, 0.46-2.11; P < .05; Cohen's D = 0.284) increase in R-UCLA Loneliness Scale scores after covariate adjustment. Individuals with more recent injuries (within 10 years) and multiple lifetime TBIs reported the highest loneliness scores. In the structural equation model, depressive symptoms partially mediated the relationship between TBI and loneliness. All models were adjusted for US population sampling weights. CONCLUSIONS History of TBI was associated with greater loneliness compared with individuals without TBI in a representative sample of US adults. Managing depressive symptoms and medical consequences of TBI may be a target to ameliorate reporting of loneliness in this population.
Collapse
Affiliation(s)
- Raj G Kumar
- Department of Rehabilitation Medicine, Icahn School of Medicine at Mount Sinai, New York, NY
| | - Katherine A Ornstein
- Department of Geriatrics and Palliative Medicine, Icahn School of Medicine at Mount Sinai, New York, NY
| | - Evan Bollens-Lund
- Department of Geriatrics and Palliative Medicine, Icahn School of Medicine at Mount Sinai, New York, NY
| | - Eric M Watson
- Department of Rehabilitation Medicine, Icahn School of Medicine at Mount Sinai, New York, NY
| | - Claire K Ankuda
- Department of Geriatrics and Palliative Medicine, Icahn School of Medicine at Mount Sinai, New York, NY
| | - Amy S Kelley
- Department of Geriatrics and Palliative Medicine, Icahn School of Medicine at Mount Sinai, New York, NY
| | - Kristen Dams-O'Connor
- Department of Rehabilitation Medicine, Icahn School of Medicine at Mount Sinai, New York, NY.,Department of Neurology, Icahn School of Medicine at Mount Sinai, New York, NY
| |
Collapse
|
26
|
Grasset L, Glymour MM, Yaffe K, Swift SL, Gianattasio KZ, Power MC, Zeki Al Hazzouri A. Association of traumatic brain injury with dementia and memory decline in older adults in the United States. Alzheimers Dement 2020; 16:853-861. [PMID: 32323483 DOI: 10.1002/alz.12080] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2019] [Revised: 12/18/2019] [Accepted: 02/07/2020] [Indexed: 12/17/2022]
Abstract
INTRODUCTION To examine associations of history of traumatic brain injuries (TBIs) with loss of consciousness (LOC) with dementia incidence and memory decline. METHODS We studied 2718 participants from the 1992 enrollment cohort of the Health and Retirement Study (HRS) aged 65 years or older in 2000. History of TBI with LOC was self-reported in 1992. Dementia was assessed using four algorithms established in HRS. Participants were followed from 2000 to 2014 with repeated measures of dementia and memory performance. Cox models and linear mixed-effects models were used. RESULTS In 1992, 11.9% of the participants reported a history of TBI with LOC. In fully adjusted models for all four algorithms, participants with a history of TBI with LOC had no statistically significant difference in dementia incidence nor in memory decline, compared to participants without TBI history. DISCUSSION Our study did not find evidence of a long-term association between history of TBI with LOC (of unknown frequency and severity) and dementia incidence or memory decline.
Collapse
Affiliation(s)
- Leslie Grasset
- Bordeaux Population Health Research Center, Team VINTAGE, UMR 1219, University of Bordeaux, Inserm, Bordeaux, France.,Inserm, CIC1401-EC, Bordeaux, France
| | - M Maria Glymour
- Department of Epidemiology and Biostatistics, University of California San Francisco, San Francisco, California, USA
| | - Kristine Yaffe
- Department of Neurology, Epidemiology and Biostatistics, University of California San Francisco, San Francisco, California, USA
| | - Samuel L Swift
- Division of Epidemiology, Department of Public Health Sciences, University of Miami, Coral Gables, Florida, USA
| | - Kan Z Gianattasio
- Department of Epidemiology and Biostatistics, Milken Institute School of Public Heath, George Washington University, Washington, DC, USA
| | - Melinda C Power
- Department of Epidemiology and Biostatistics, Milken Institute School of Public Heath, George Washington University, Washington, DC, USA
| | - Adina Zeki Al Hazzouri
- Department of Epidemiology, Mailman School of Public Health, Columbia University, New York, New York, USA
| |
Collapse
|
27
|
Spitzer S, Weber D. Reporting biases in self-assessed physical and cognitive health status of older Europeans. PLoS One 2019; 14:e0223526. [PMID: 31593576 PMCID: PMC6783110 DOI: 10.1371/journal.pone.0223526] [Citation(s) in RCA: 51] [Impact Index Per Article: 10.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2019] [Accepted: 09/23/2019] [Indexed: 11/18/2022] Open
Abstract
This paper explores which demographic characteristics substantially bias self-reported physical and cognitive health status of older Europeans. The analysis utilises micro-data for 19 European countries from the Survey of Health, Ageing and Retirement in Europe to compare performance-tested outcomes of mobility and memory with their self-reported equivalents. Relative importance analysis based on multinomial logistic regressions shows that the bias in self-reported health is mostly due to reporting heterogeneities between countries and age groups, whereas gender contributes little to the discrepancy. Concordance of mobility and cognition measures is highly related; however, differences in reporting behaviour due to education and cultural background have a larger impact on self-assessed memory than on self-assessed mobility. Southern as well as Central and Eastern Europeans are much more likely to misreport their physical and cognitive abilities than Northern and Western Europeans. Overall, our results suggest that comparisons of self-reported health between countries and age groups are prone to significant biases, whereas comparisons between genders are credible for most European countries. These findings are crucial given that self-assessed data are often the only information available to researchers and policymakers when asking health-related questions.
Collapse
Affiliation(s)
- Sonja Spitzer
- World Population Program at the International Institute for Applied Systems Analysis (IIASA), Wittgenstein Centre for Demography and Global Human Capital, Laxenburg, Austria
| | - Daniela Weber
- World Population Program at the International Institute for Applied Systems Analysis (IIASA), Wittgenstein Centre for Demography and Global Human Capital, Laxenburg, Austria
- Health Economics and Policy Division of the Vienna University of Economics and Business, Vienna, Austria
| |
Collapse
|
28
|
Snyder HM, Carare RO, DeKosky ST, de Leon MJ, Dykxhoorn D, Gan L, Gardner R, Hinds SR, Jaffee M, Lamb BT, Landau S, Manley G, McKee A, Perl D, Schneider JA, Weiner M, Wellington C, Yaffe K, Bain L, Pacifico AM, Carrillo MC. Military-related risk factors for dementia. Alzheimers Dement 2018; 14:1651-1662. [PMID: 30415806 PMCID: PMC6281800 DOI: 10.1016/j.jalz.2018.08.011] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2018] [Revised: 08/09/2018] [Accepted: 08/21/2018] [Indexed: 12/14/2022]
Abstract
INTRODUCTION In recent years, there has been growing discussion to better understand the pathophysiological mechanisms of traumatic brain injury and post-traumatic stress disorder and how they may be linked to an increased risk of neurodegenerative diseases including Alzheimer's disease in veterans. METHODS Building on that discussion, and subsequent to a special issue of Alzheimer's & Dementia published in June 2014, which focused on military risk factors, the Alzheimer's Association convened a continued discussion of the scientific community on December 1, 2016. RESULTS During this meeting, participants presented and evaluated progress made since 2012 and identified outstanding knowledge gaps regarding factors that may impact veterans' risk for later life dementia. DISCUSSION The following is a summary of the invited presentations and moderated discussions of both the review of scientific understanding and identification of gaps to inform further investigations.
Collapse
Affiliation(s)
- Heather M Snyder
- Medical & Scientific Relations, Alzheimer's Association, Chicago, IL, USA.
| | - Roxana O Carare
- Clinical Neuroanatomy, Equality and Diversity Lead, University of Southampton, Southampton, United Kingdom
| | - Steven T DeKosky
- Department of Neurology and Neuroscience, University of Florida, Gainesville, FL, USA
| | - Mony J de Leon
- Department of Psychiatry, New York University Medical Center, New York City, NY, USA
| | - Derek Dykxhoorn
- Department of Microbiology and Immunology, Miami University, Miami, FL, USA
| | - Li Gan
- Gladstone Institute, University of California, San Francisco, San Francisco, CA, USA
| | - Raquel Gardner
- Department of Psychiatry, Neurology & Epidemiology, University of California, San Francisco, San Francisco, CA, USA
| | - Sidney R Hinds
- Blast Injury Research Program Coordinating Office, United States Army Medical Research and Material Command, Frederick, MD, USA
| | - Michael Jaffee
- Department of Neurology and Neuroscience, University of Florida, Gainesville, FL, USA
| | - Bruce T Lamb
- Stark Neurosciences Research Institute, Indiana University, Indianapolis, IN, USA
| | - Susan Landau
- Helen Willis Neuroscience Institute, University of California, Berkley, Berkley, CA, USA
| | - Geoff Manley
- Department of Psychiatry, Neurology & Epidemiology, University of California, San Francisco, San Francisco, CA, USA
| | - Ann McKee
- Department of Neurology and Pathology, Boston University, Boston, MA, USA
| | - Daniel Perl
- Department of Pathology, Uniformed Services University, Bethesda, MD, USA
| | - Julie A Schneider
- Neurology Department, Rush University Medical Center, Chicago, IL, USA
| | - Michael Weiner
- Department of Radiology, University of California San Francisco, San Francisco, CA, USA
| | - Cheryl Wellington
- Department of Pathology and Laboratory Medicine, University of British Columbia, Vancouver, BC, Canada
| | - Kristine Yaffe
- Department of Psychiatry, Neurology & Epidemiology, University of California, San Francisco, San Francisco, CA, USA
| | - Lisa Bain
- Independent Science Writer, Philadelphia, PA, USA
| | | | - Maria C Carrillo
- Medical & Scientific Relations, Alzheimer's Association, Chicago, IL, USA
| |
Collapse
|
29
|
Yuan C, Fondell E, Bhushan A, Ascherio A, Okereke OI, Grodstein F, Willett WC. Long-term intake of vegetables and fruits and subjective cognitive function in US men. Neurology 2018; 92:e63-e75. [PMID: 30464030 DOI: 10.1212/wnl.0000000000006684] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2018] [Accepted: 09/06/2018] [Indexed: 12/31/2022] Open
Abstract
OBJECTIVE To evaluate the prospective association of long-term intake of vegetables and fruits with late-life subjective cognitive function (SCF). METHODS Among 27,842 men with a mean age of 51 years in 1986, we used multinomial logistic regression to examine the relation of vegetable and fruit consumption to future SCF. Average dietary intake was calculated from 5 repeated food frequency questionnaires collected every 4 years until 2002. SCF score was assessed twice (2008 and 2012) using a 6-item questionnaire; validity was supported by strong associations with APO ε4 genotype. We categorized the average of the 2 scores as good, moderate, and poor SCF. RESULTS Higher intakes of total vegetables, total fruits, and fruit juice were each significantly associated with lower odds of moderate or poor SCF after controlling for major nondietary factors and total energy intake. The association with total fruit intake was weaker after further adjusting for major dietary factors. In this model, the multivariate odds ratios (95% confidence intervals) for vegetable intake (top vs bottom quintile) were 0.83 (0.76-0.92), p trend <0.001 for moderate SCF and 0.66 (0.55-0.80), p trend <0.001 for poor SCF. For orange juice, compared to <1 serving/mo of intake, daily consumption was associated with a substantially lower odds of poor SCF (0.53 [0.43-0.67], p trend <0.001). Higher consumption of vegetables and fruits 18 to 22 years before SCF assessment was associated with lower odds of poor SCF independent of more proximal intake. CONCLUSION Our findings support a long-term beneficial role of vegetable, fruit, and orange juice consumption on SCF.
Collapse
Affiliation(s)
- Changzheng Yuan
- From the Departments of Nutrition (C.Y., E.F., A.A., W.C.W.) and Epidemiology (A.A., O.I.O., F.G., W.C.W.), Harvard T.H. Chan School of Public Health, Boston; Channing Division of Network Medicine (C.Y., E.F., A.A., O.I.O., F.G., W.C.W.) and Department of Psychiatry (O.I.O.), Brigham and Women's Hospital and Harvard Medical School, Boston; and Harvard Medical School (A.B.), Boston, MA.
| | - Elinor Fondell
- From the Departments of Nutrition (C.Y., E.F., A.A., W.C.W.) and Epidemiology (A.A., O.I.O., F.G., W.C.W.), Harvard T.H. Chan School of Public Health, Boston; Channing Division of Network Medicine (C.Y., E.F., A.A., O.I.O., F.G., W.C.W.) and Department of Psychiatry (O.I.O.), Brigham and Women's Hospital and Harvard Medical School, Boston; and Harvard Medical School (A.B.), Boston, MA
| | - Ambika Bhushan
- From the Departments of Nutrition (C.Y., E.F., A.A., W.C.W.) and Epidemiology (A.A., O.I.O., F.G., W.C.W.), Harvard T.H. Chan School of Public Health, Boston; Channing Division of Network Medicine (C.Y., E.F., A.A., O.I.O., F.G., W.C.W.) and Department of Psychiatry (O.I.O.), Brigham and Women's Hospital and Harvard Medical School, Boston; and Harvard Medical School (A.B.), Boston, MA
| | - Alberto Ascherio
- From the Departments of Nutrition (C.Y., E.F., A.A., W.C.W.) and Epidemiology (A.A., O.I.O., F.G., W.C.W.), Harvard T.H. Chan School of Public Health, Boston; Channing Division of Network Medicine (C.Y., E.F., A.A., O.I.O., F.G., W.C.W.) and Department of Psychiatry (O.I.O.), Brigham and Women's Hospital and Harvard Medical School, Boston; and Harvard Medical School (A.B.), Boston, MA
| | - Olivia I Okereke
- From the Departments of Nutrition (C.Y., E.F., A.A., W.C.W.) and Epidemiology (A.A., O.I.O., F.G., W.C.W.), Harvard T.H. Chan School of Public Health, Boston; Channing Division of Network Medicine (C.Y., E.F., A.A., O.I.O., F.G., W.C.W.) and Department of Psychiatry (O.I.O.), Brigham and Women's Hospital and Harvard Medical School, Boston; and Harvard Medical School (A.B.), Boston, MA
| | - Francine Grodstein
- From the Departments of Nutrition (C.Y., E.F., A.A., W.C.W.) and Epidemiology (A.A., O.I.O., F.G., W.C.W.), Harvard T.H. Chan School of Public Health, Boston; Channing Division of Network Medicine (C.Y., E.F., A.A., O.I.O., F.G., W.C.W.) and Department of Psychiatry (O.I.O.), Brigham and Women's Hospital and Harvard Medical School, Boston; and Harvard Medical School (A.B.), Boston, MA
| | - Walter C Willett
- From the Departments of Nutrition (C.Y., E.F., A.A., W.C.W.) and Epidemiology (A.A., O.I.O., F.G., W.C.W.), Harvard T.H. Chan School of Public Health, Boston; Channing Division of Network Medicine (C.Y., E.F., A.A., O.I.O., F.G., W.C.W.) and Department of Psychiatry (O.I.O.), Brigham and Women's Hospital and Harvard Medical School, Boston; and Harvard Medical School (A.B.), Boston, MA
| |
Collapse
|
30
|
Sharbafshaaer M. Impacts of cognitive impairment for different levels and causes of traumatic brain injury, and education status in TBI patients. Dement Neuropsychol 2018; 12:415-420. [PMID: 30546853 PMCID: PMC6289484 DOI: 10.1590/1980-57642018dn12-040012] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2018] [Accepted: 10/24/2018] [Indexed: 11/22/2022] Open
Abstract
Traumatic brain injury (TBI) is one of main causes of death and disability among many young and old populations in different countries. OBJECTIVE The aim of this study were to consider and predict the cognitive impairments according to different levels and causes of TBI, and education status. METHODS The study was performed using the Mini-Mental State Examination (MMSE) to estimate cognitive impairment in patients at a trauma center in Zahedan city. Individuals were considered eligible if 18 years of age or older. This investigation assessed a subset of patients from a 6-month pilot study. RESULTS The study participants comprised 66% males and 34% females. Patient mean age was 32.5 years and SD was 12.924 years. One-way analysis of variance between groups indicated cognitive impairment related to different levels and causes of TBI, and education status in patients. There was a significant difference in the dimensions of cognitive impairments for different levels and causes of TBI, and education status. A regression test showed that levels of traumatic brain injury (b=.615, p=.001) and education status (b=.426, p=.001) predicted cognitive impairment. CONCLUSION Different levels of TBI and education status were useful for predicting cognitive impairment in patients. Severe TBI and no education were associated with worse cognitive performance and higher disability. These data are essential in terms of helping patients understand their needs. Therefore, the factors identified can help plan effective rehabilitation programs.
Collapse
Affiliation(s)
- Minoo Sharbafshaaer
- Young Researchers and Elite Club, Zahedan Branch, Islamic Azad University, Zahedan, Iran
| |
Collapse
|
31
|
Al-Dahhak R, Khoury R, Qazi E, Grossberg GT. Traumatic Brain Injury, Chronic Traumatic Encephalopathy, and Alzheimer Disease. Clin Geriatr Med 2018; 34:617-635. [PMID: 30336991 DOI: 10.1016/j.cger.2018.06.008] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Traumatic brain injury (TBI) is a major health and economic burden. With increasing aging population, this issue is expected to continue to rise. Neurodegenerative disorders are more common with aging population in general regardless of history of TBI. Recent evidence continues to support a relation between a TBI and neurocognitive decline later in life (such as in athletes and military). This article summarizes the pathologic and clinical effects of TBI (regardless of severity) on the later development of dementia in individuals 65 years or older.
Collapse
Affiliation(s)
- Roula Al-Dahhak
- Department of Neurology, Saint Louis University, 1438 South Grand Boulevard, Suite 105, St Louis, MO 63104, USA.
| | - Rita Khoury
- Department of Psychiatry and Behavioral Neuroscience, Saint Louis University, 1438 South Grand Boulevard, St Louis, MO 63104, USA
| | - Erum Qazi
- Department of Psychiatry and Behavioral Neuroscience, Saint Louis University, 1438 South Grand Boulevard, St Louis, MO 63104, USA
| | - George T Grossberg
- Department of Psychiatry and Behavioral Neuroscience, Saint Louis University, 1438 South Grand Boulevard, St Louis, MO 63104, USA
| |
Collapse
|
32
|
Cheng WH, Stukas S, Martens KM, Namjoshi DR, Button EB, Wilkinson A, Bashir A, Robert J, Cripton PA, Wellington CL. Age at injury and genotype modify acute inflammatory and neurofilament-light responses to mild CHIMERA traumatic brain injury in wild-type and APP/PS1 mice. Exp Neurol 2017; 301:26-38. [PMID: 29269117 DOI: 10.1016/j.expneurol.2017.12.007] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2017] [Revised: 11/11/2017] [Accepted: 12/15/2017] [Indexed: 12/14/2022]
Abstract
Peak incidence of traumatic brain injury (TBI) occurs in both young and old individuals, and older age at injury is associated with worse outcome and poorer recovery. Moderate-severe TBI is a reported risk factor for dementia, including Alzheimer's disease (AD), but whether mild TBI (mTBI) alters AD pathogenesis is not clear. To delineate how age at injury and predisposition to amyloid formation affect the acute response to mTBI, we used the Closed Head Impact Model of Engineered Rotational Acceleration (CHIMERA) model of TBI to induce two mild injuries in wild-type (WT) and APP/PS1 mice at either 6 or 13months of age and assessed behavioural, histological and biochemical changes up to 14days post-injury. Age at injury did not alter acute behavioural responses to mTBI, including measures of neurological status, motor performance, spatial memory, fear, or anxiety, in either strain. Young APP/PS1 mice showed a subtle and transient increase in diffuse Aβ deposits after injury, whereas old APP/PS1 mice showed decreased amyloid deposits, without significant alterations in total soluble or insoluble Aβ levels at either age. Age at injury and genotype showed complex responses with respect to microglial and cytokine outcomes, where post-injury neuroinflammation is increased in old WT mice but attenuated in old APP/PS1 mice. Intriguingly, silver staining confirmed axonal damage in both strains and ages, yet only young WT and APP/PS1 mice showed neurofilament-positive axonal swellings after mTBI, as this response was almost entirely attenuated in old mice. Plasma neurofilament-light levels were significantly elevated after injury only in young APP/PS1 mice. This study suggests that mild TBI has minimal effects on Aβ metabolism, but that age and genotype can each modify acute outcomes related to white matter injury.
Collapse
Affiliation(s)
- Wai Hang Cheng
- Department of Pathology and Laboratory Medicine, Djavad Mowafaghian Centre for Brain Health, University of British Columbia, 2215 Wesbrook Mall, Vancouver, British Columbia V6T 1Z3, Canada
| | - Sophie Stukas
- Department of Pathology and Laboratory Medicine, Djavad Mowafaghian Centre for Brain Health, University of British Columbia, 2215 Wesbrook Mall, Vancouver, British Columbia V6T 1Z3, Canada
| | - Kris M Martens
- Department of Pathology and Laboratory Medicine, Djavad Mowafaghian Centre for Brain Health, University of British Columbia, 2215 Wesbrook Mall, Vancouver, British Columbia V6T 1Z3, Canada
| | - Dhananjay R Namjoshi
- Department of Pathology and Laboratory Medicine, Djavad Mowafaghian Centre for Brain Health, University of British Columbia, 2215 Wesbrook Mall, Vancouver, British Columbia V6T 1Z3, Canada
| | - Emily B Button
- Department of Pathology and Laboratory Medicine, Djavad Mowafaghian Centre for Brain Health, University of British Columbia, 2215 Wesbrook Mall, Vancouver, British Columbia V6T 1Z3, Canada
| | - Anna Wilkinson
- Department of Pathology and Laboratory Medicine, Djavad Mowafaghian Centre for Brain Health, University of British Columbia, 2215 Wesbrook Mall, Vancouver, British Columbia V6T 1Z3, Canada
| | - Asma Bashir
- Department of Pathology and Laboratory Medicine, Djavad Mowafaghian Centre for Brain Health, University of British Columbia, 2215 Wesbrook Mall, Vancouver, British Columbia V6T 1Z3, Canada
| | - Jerome Robert
- Department of Pathology and Laboratory Medicine, Djavad Mowafaghian Centre for Brain Health, University of British Columbia, 2215 Wesbrook Mall, Vancouver, British Columbia V6T 1Z3, Canada
| | - Peter A Cripton
- Department of Mechanical Engineering, International Collaboration on Repair Discoveries, University of British Columbia, Vancouver, Canada
| | - Cheryl L Wellington
- Department of Pathology and Laboratory Medicine, Djavad Mowafaghian Centre for Brain Health, University of British Columbia, 2215 Wesbrook Mall, Vancouver, British Columbia V6T 1Z3, Canada.
| |
Collapse
|
33
|
Hurstak E, Johnson JK, Tieu L, Guzman D, Ponath C, Lee CT, Jamora CW, Kushel M. Factors associated with cognitive impairment in a cohort of older homeless adults: Results from the HOPE HOME study. Drug Alcohol Depend 2017; 178:562-570. [PMID: 28738314 PMCID: PMC5568464 DOI: 10.1016/j.drugalcdep.2017.06.002] [Citation(s) in RCA: 31] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/07/2017] [Revised: 04/27/2017] [Accepted: 06/01/2017] [Indexed: 12/23/2022]
Abstract
BACKGROUND We evaluated cognitive function and factors associated with cognitive impairment in a cohort of older homeless adults. We hypothesized that substance use and a history of traumatic brain injury would be associated with cognitive impairment. METHODS We recruited 350 homeless individuals aged ≥50 years using population-based sampling and conducted structured interviews and neuropsychological testing. We evaluated alcohol use with the Alcohol Use Disorder Identification Test, defining high-severity alcohol use as a total score ≥16 or ≥4 on the alcohol dependency sub-scale. We assessed global cognition with the Modified Mini-Mental State Test (3MS) and processing speed and executive function with the Trail Making Test (TMTB), defining impairment as performing 1.5 standard deviations below the standardized mean. We used multivariable logistic regression to examine the association between alcohol use and cognition. RESULTS Participants had a median age of 58 years [IQR 54-61], 76.7% were men, and 79.9% were African American. A quarter (25.1%) of participants met criteria for impairment on the 3MS; 32.9% met criteria for impairment on TMTB. In models adjusted for sociodemographic variables and health conditions, high-severity alcohol use was associated with global cognitive impairment (AOR 2.39, CI 1.19-4.79) and executive dysfunction (AOR 3.09, CI 1.61-5.92). CONCLUSIONS Older homeless adults displayed a prevalence of cognitive impairment 3-4 times higher than has been observed in general population adults aged 70 and older. Impaired cognition in older homeless adults could impact access to housing programs and the treatment of health conditions, including the treatment of alcohol use disorders.
Collapse
Affiliation(s)
- Emily Hurstak
- Division of General Internal Medicine, University of California, San Francisco, Zuckerberg San Francisco General Hospital and Trauma Center, San Francisco, CA, USA.
| | - Julene K Johnson
- Institute for Health and Aging, University of California, San Francisco, San Francisco, CA, USA; Center for Aging in Diverse Communities, University of California, San Francisco, San Francisco, CA, USA
| | - Lina Tieu
- Division of General Internal Medicine, University of California, San Francisco, Zuckerberg San Francisco General Hospital and Trauma Center, San Francisco, CA, USA; Center for Vulnerable Populations at Zuckerberg San Francisco General Hospital and Trauma Center, University of California, San Francisco, San Francisco, CA, USA
| | - David Guzman
- Division of General Internal Medicine, University of California, San Francisco, Zuckerberg San Francisco General Hospital and Trauma Center, San Francisco, CA, USA; Center for Vulnerable Populations at Zuckerberg San Francisco General Hospital and Trauma Center, University of California, San Francisco, San Francisco, CA, USA
| | - Claudia Ponath
- Division of General Internal Medicine, University of California, San Francisco, Zuckerberg San Francisco General Hospital and Trauma Center, San Francisco, CA, USA
| | - Christopher T Lee
- Division of General Internal Medicine, University of California, San Francisco, Zuckerberg San Francisco General Hospital and Trauma Center, San Francisco, CA, USA; Center for Vulnerable Populations at Zuckerberg San Francisco General Hospital and Trauma Center, University of California, San Francisco, San Francisco, CA, USA
| | - Christina Weyer Jamora
- Center for Aging in Diverse Communities, University of California, San Francisco, San Francisco, CA, USA; Department of Psychiatry, University of California, San Francisco, Zuckerberg San Francisco General Hospital and Trauma Center, San Francisco, CA, USA
| | - Margot Kushel
- Division of General Internal Medicine, University of California, San Francisco, Zuckerberg San Francisco General Hospital and Trauma Center, San Francisco, CA, USA; Center for Vulnerable Populations at Zuckerberg San Francisco General Hospital and Trauma Center, University of California, San Francisco, San Francisco, CA, USA.
| |
Collapse
|
34
|
Abstract
In this month's Editorial, Guest Editors Carol Brayne and Bruce Miller discuss research and commentary published in March and future directions for dementia research.
Collapse
Affiliation(s)
- Carol Brayne
- Cambridge Institute of Public Health, Cambridge University, Cambridge, United Kingdom
| | - Bruce Miller
- Aging and Memory Center, University of California San Francisco, San Francisco, California, United States of America
| |
Collapse
|