JAMA neurology最新文献

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Collaborative Dementia Care During the New Therapeutic Era. 新治疗时代的痴呆症合作护理。
IF 20.4 1区 医学
JAMA neurology Pub Date : 2024-12-01 DOI: 10.1001/jamaneurol.2024.3379
Katherine L Possin, Jeffrey M Burns, Brent P Forester
{"title":"Collaborative Dementia Care During the New Therapeutic Era.","authors":"Katherine L Possin, Jeffrey M Burns, Brent P Forester","doi":"10.1001/jamaneurol.2024.3379","DOIUrl":"10.1001/jamaneurol.2024.3379","url":null,"abstract":"","PeriodicalId":14677,"journal":{"name":"JAMA neurology","volume":" ","pages":"1241-1242"},"PeriodicalIF":20.4,"publicationDate":"2024-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142465716","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Psychiatric Comorbidities in Persons With Epilepsy Compared With Persons Without Epilepsy 癫痫患者与非癫痫患者的精神并发症比较
IF 29 1区 医学
JAMA neurology Pub Date : 2024-11-25 DOI: 10.1001/jamaneurol.2024.3976
Churl-Su Kwon, Ali Rafati, Ruth Ottman, Jakob Christensen, Andres M. Kanner, Nathalie Jetté, Charles R. Newton
{"title":"Psychiatric Comorbidities in Persons With Epilepsy Compared With Persons Without Epilepsy","authors":"Churl-Su Kwon, Ali Rafati, Ruth Ottman, Jakob Christensen, Andres M. Kanner, Nathalie Jetté, Charles R. Newton","doi":"10.1001/jamaneurol.2024.3976","DOIUrl":"https://doi.org/10.1001/jamaneurol.2024.3976","url":null,"abstract":"ImportanceSeveral psychiatric disorders have been found to occur more frequently in persons with epilepsy (PWE) than in persons without epilepsy.ObjectiveTo summarize the prevalence of 20 psychiatric disorders in PWE compared with persons without epilepsy.Data SourcesThe search included records from inception to February 2024 in Ovid, MEDLINE, Embase, and PsycINFO.Study SelectionPublished epidemiological studies examining the prevalence of psychiatric disorders among PWE compared with persons without epilepsy were systematically reviewed. There were no restrictions on language or publication date.Data Extraction and SynthesisAbstracts were reviewed in duplicate, and data were extracted using a standardized electronic form. Descriptive statistics and meta-analyses are presented.Main Outcomes and MeasuresData were recorded on the prevalence of 20 psychiatric disorders among PWE compared with persons without epilepsy. Meta-analyses were performed along with descriptive analyses.ResultsThe systematic search identified 10 392 studies, 27 of which met eligibility criteria. The meta-analyses included 565 443 PWE and 13 434 208 persons without epilepsy. The odds of most psychiatric disorders studied were significantly increased in PWE compared with those without epilepsy, including anxiety (odds ratio [OR], 2.11; 95% CI, 1.73-2.58); depression (OR, 2.45; 95% CI, 1.94-3.09); bipolar disorder (OR, 3.12; 95% CI, 2.23-4.36); suicidal ideation (OR, 2.25; 95% CI, 1.75-2.88) but not suicide attempt (OR, 3.17; 95% CI, 0.49-20.46); psychotic disorder (OR, 3.98; 95% CI, 2.57-6.15); schizophrenia (OR, 3.72; 95% CI, 2.44-5.67); obsessive-compulsive disorder (OR, 2.71; 95% CI, 1.76-4.15); posttraumatic stress disorder (OR, 1.76; 95% CI, 1.14-2.73); eating disorders (OR, 1.87; 95% CI, 1.73-2.01); alcohol misuse (OR, 3.64; 95% CI, 2.27-5.83) and alcohol dependence (OR, 4.94; 95% CI, 3.50-6.96) but not alcohol abuse (OR, 2.10; 95% CI, 0.60-7.37); substance use disorder (OR, 2.75; 95% CI, 1.61-4.72); autism spectrum disorder (OR, 10.67; 95% CI, 6.35-17.91); and attention-deficit/hyperactivity disorder (OR, 3.93; 95% CI, 3.80-4.08).Conclusions and RelevanceIn this comprehensive study, most psychiatric comorbidities examined were significantly more prevalent in PWE than in those without epilepsy. These findings show the high burden of psychiatric comorbidities in PWE. This, in turn, underscores the need for appropriately identifying and treating psychiatric comorbidity in epilepsy to manage patients effectively and improve quality of life.","PeriodicalId":14677,"journal":{"name":"JAMA neurology","volume":"19 1","pages":""},"PeriodicalIF":29.0,"publicationDate":"2024-11-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142697065","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Wildfire Smoke Exposure and Incident Dementia 野火烟雾暴露与痴呆症事件
IF 29 1区 医学
JAMA neurology Pub Date : 2024-11-25 DOI: 10.1001/jamaneurol.2024.4058
Holly Elser, Timothy B. Frankland, Chen Chen, Sara Y. Tartof, Elizabeth Rose Mayeda, Gina S. Lee, Alexander J. Northrop, Jacqueline M. Torres, Tarik Benmarhnia, Joan A. Casey
{"title":"Wildfire Smoke Exposure and Incident Dementia","authors":"Holly Elser, Timothy B. Frankland, Chen Chen, Sara Y. Tartof, Elizabeth Rose Mayeda, Gina S. Lee, Alexander J. Northrop, Jacqueline M. Torres, Tarik Benmarhnia, Joan A. Casey","doi":"10.1001/jamaneurol.2024.4058","DOIUrl":"https://doi.org/10.1001/jamaneurol.2024.4058","url":null,"abstract":"ImportanceLong-term exposure to total fine particulate matter (PM<jats:sub>2.5</jats:sub>) is a recognized dementia risk factor, but less is known about wildfire-generated PM<jats:sub>2.5</jats:sub>, an increasingly common PM<jats:sub>2.5</jats:sub> source.ObjectiveTo assess the association between long-term wildfire and nonwildfire PM<jats:sub>2.5</jats:sub> exposure and risk of incident dementia.Design, Setting, and ParticipantsThis open cohort study was conducted using January 2008 to December 2019 electronic health record (EHR) data among members of Kaiser Permanente Southern California (KPSC), which serves 4.7 million people across 10 California counties. KPSC members aged 60 years or older were eligible for inclusion. Members were excluded if they did not meet eligibility criteria, if they had a dementia diagnosis before cohort entry, or if EHR data lacked address information. Data analysis was conducted from May 2023 to May 2024.ExposuresThree-year rolling mean wildfire and nonwildfire PM<jats:sub>2.5</jats:sub> in member census tracts from January 2006 to December 2019, updated quarterly and estimated via monitoring and remote-sensing data and statistical techniques.Main Outcome and MeasuresThe primary outcome was incident dementia, identified using diagnostic codes in the EHR. Odds of dementia diagnoses associated with 3-year mean wildfire and nonwildfire PM<jats:sub>2.5</jats:sub> exposure were estimated using a discrete-time approach with pooled logistic regression. Models adjusted for age, sex, race and ethnicity (considered as a social construct rather than as a biological determinant), marital status, smoking status, calendar year, and census tract–level poverty and population density. Stratified models assessed effect measure modification by age, sex, race and ethnicity, and census tract–level poverty.ResultsAmong 1.64 million KPSC members aged 60 years or older during the study period, 1 223 107 members were eligible for inclusion in this study. The study population consisted of 644 766 female members (53.0%). In total, 319 521 members identified as Hispanic (26.0%), 601 334 members identified as non-Hispanic White (49.0%), and 80 993 members received a dementia diagnosis during follow-up (6.6%). In adjusted models, a 1-μg/m<jats:sup>3</jats:sup> increase in the 3-year mean of wildfire PM<jats:sub>2.5</jats:sub> exposure was associated with an 18% increase in the odds of dementia diagnosis (odds ratio [OR], 1.18; 95% CI, 1.03-1.34). In comparison, a 1-μg/m<jats:sup>3</jats:sup> increase in nonwildfire PM<jats:sub>2.5</jats:sub> exposure was associated with a 1% increase (OR, 1.01; 95% CI, 1.01-1.02). For wildfire PM<jats:sub>2.5</jats:sub> exposure, associations were stronger among members less than 75 years old upon cohort entry, members from racially minoritized subgroups, and those living in high-poverty vs low-poverty census tracts.Conclusions and RelevanceIn this cohort study, after adjusting for measured confounders, long-te","PeriodicalId":14677,"journal":{"name":"JAMA neurology","volume":"1 1","pages":""},"PeriodicalIF":29.0,"publicationDate":"2024-11-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142697128","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Equipping AI for Unbiased and Inclusive Neurology. 装备人工智能,实现无偏见和包容性的神经学。
IF 20.4 1区 医学
JAMA neurology Pub Date : 2024-11-25 DOI: 10.1001/jamaneurol.2024.3954
Nina F Schor
{"title":"Equipping AI for Unbiased and Inclusive Neurology.","authors":"Nina F Schor","doi":"10.1001/jamaneurol.2024.3954","DOIUrl":"https://doi.org/10.1001/jamaneurol.2024.3954","url":null,"abstract":"","PeriodicalId":14677,"journal":{"name":"JAMA neurology","volume":" ","pages":""},"PeriodicalIF":20.4,"publicationDate":"2024-11-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142709546","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Current and Future Roles of Chimeric Antigen Receptor T-Cell Therapy in Neurology 嵌合抗原受体 T 细胞疗法在神经学领域的当前和未来作用
IF 29 1区 医学
JAMA neurology Pub Date : 2024-11-25 DOI: 10.1001/jamaneurol.2024.3818
Fatme Seval Ismail, Marco Gallus, Sven G. Meuth, Hideho Okada, Hans-Peter Hartung, Nico Melzer
{"title":"Current and Future Roles of Chimeric Antigen Receptor T-Cell Therapy in Neurology","authors":"Fatme Seval Ismail, Marco Gallus, Sven G. Meuth, Hideho Okada, Hans-Peter Hartung, Nico Melzer","doi":"10.1001/jamaneurol.2024.3818","DOIUrl":"https://doi.org/10.1001/jamaneurol.2024.3818","url":null,"abstract":"ImportanceAdvancements in molecular engineering have facilitated the creation of engineered T cells that express synthetic receptors, termed <jats:italic>chimeric antigen receptors</jats:italic> (CARs). This is promising not only in cancer treatment but also in addressing a spectrum of other conditions. This review provides a comprehensive overview of the current approaches and future potential of CAR T-cell therapy in the field of neurology, particularly for primary brain tumors and autoimmune neurological disorders.ObservationsCAR T-cell therapy for glioblastoma is promising; however, first-in-human trials did not yield significant success or showed only limited success in a subset of patients. To date, the efficacy of CAR T-cell therapies has been demonstrated in animal models of multiple sclerosis, but larger human studies to corroborate the efficacy remain pending. CAR T cells showed efficacy in treatment of patients with relapsed or refractory aquaporin 4–immunoglobulin G–seropositive neuromyelitis optica spectrum disorders. Further studies with larger patient populations are needed to confirm these results. Success was reported also for treatment of cases with generalized myasthenia gravis using CAR T cells. Chimeric autoantibody receptor T cells, representing a modified form of CAR T cells directed against autoreactive B cells secreting autoantibodies, were used to selectively target autoreactive anti–<jats:italic>N</jats:italic>-methyl-<jats:sc>d</jats:sc>-aspartate B cells under in vitro and in vivo conditions, providing the basis for human studies and application to other types of autoimmune encephalitis associated with neuronal or glial antibodies.Conclusions and RelevanceCAR T cells herald a new era in the therapeutic landscape of neurological disorders. While their application in solid tumors, such as glioblastoma, has not universally yielded robust success, emerging innovative strategies show promise, and there is optimism for their effectiveness in certain autoimmune neurological disorders.","PeriodicalId":14677,"journal":{"name":"JAMA neurology","volume":"19 1","pages":""},"PeriodicalIF":29.0,"publicationDate":"2024-11-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142697122","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Vertebral Web and Embolic Stroke 椎体网与栓塞性中风
IF 29 1区 医学
JAMA neurology Pub Date : 2024-11-25 DOI: 10.1001/jamaneurol.2024.4025
Kiran Waqar, Praveen Kesav, Seby John
{"title":"Vertebral Web and Embolic Stroke","authors":"Kiran Waqar, Praveen Kesav, Seby John","doi":"10.1001/jamaneurol.2024.4025","DOIUrl":"https://doi.org/10.1001/jamaneurol.2024.4025","url":null,"abstract":"This case report describes a female individual in her 30s with headache and vertigo; examination revealed acute embolic infarcts and a lesion on the vertebral artery.","PeriodicalId":14677,"journal":{"name":"JAMA neurology","volume":"256 1","pages":""},"PeriodicalIF":29.0,"publicationDate":"2024-11-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142697104","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Clinical Presentation, Investigation Findings, and Outcomes of IgG4-Related Pachymeningitis: A Systematic Review. IgG4 相关性脑脊髓膜炎的临床表现、检查结果和预后:系统回顾
IF 20.4 1区 医学
JAMA neurology Pub Date : 2024-11-18 DOI: 10.1001/jamaneurol.2024.3947
Sara Terrim, João Vitor Mahler, Flávio Vieira Marques Filho, Leandro Tavares Lucato, Henrique Mayrink Giardini, Tarso Adoni, Guilherme Diogo Silva
{"title":"Clinical Presentation, Investigation Findings, and Outcomes of IgG4-Related Pachymeningitis: A Systematic Review.","authors":"Sara Terrim, João Vitor Mahler, Flávio Vieira Marques Filho, Leandro Tavares Lucato, Henrique Mayrink Giardini, Tarso Adoni, Guilherme Diogo Silva","doi":"10.1001/jamaneurol.2024.3947","DOIUrl":"https://doi.org/10.1001/jamaneurol.2024.3947","url":null,"abstract":"<p><strong>Importance: </strong>Immunoglobulin G4 (IgG4)-related disease is an increasingly recognized fibroinflammatory condition that can involve multiple organs, including the pachymeninges. The understanding of IgG4-related pachymeningitis (IgG4-RP) remains limited because of its rarity and the predominance of knowledge derived from case reports and case series.</p><p><strong>Objective: </strong>To systematically review and synthesize the clinical presentation, investigation findings, and prognosis of IgG4-RP to better understand its diagnosis and management.</p><p><strong>Evidence review: </strong>A comprehensive systematic review was conducted following guidelines from the Preferred Reporting Items for Systematic Reviews and Meta-analyses. PubMed/MEDLINE, Embase, and Scopus were searched from their inception until May 30, 2023, using terms related to IgG4-related disease and pachymeningitis without language or publication restrictions. Case reports and series that met the 2020 Revised Comprehensive Diagnostic Criteria or the 2019 American College of Rheumatology/European League Against Rheumatism classification criteria were included. Data on clinical presentations, investigation findings, and treatment outcomes were extracted and summarized.</p><p><strong>Findings: </strong>A total of 148 case reports contributed data from 208 patients. Their median (IQR) age was 52 (39-62) years; 132 patients were male (63.5%) and 76 female (36.5%). Headache and cranial nerve dysfunctions were the most common neurological manifestations. Systemic involvement was identified in nearly half of the patients. Diagnostic imaging often showed preferential involvement of cavernous sinus and middle fossa. Laboratory results highlighted elevated serum IgG4 levels in 97 of 147 patients (65%) of patients and cerebrospinal fluid pleocytosis in 43 of 82 patients (52%). Storiform fibrosis or obliterating phlebitis were uncommon pathological findings. Mortality was below 1% (1/134; 0.7%), but only a third of patients presented complete clinical improvement, and the recurrence rate was 60 patients (40%) in a median (IQR) follow-up time of 9 (1-20) months. Glucocorticoids were the most commonly prescribed treatment, in 143 of 169 patients (85%); rituximab was prescribed as maintenance therapy in 53 of 169 patients (31%).</p><p><strong>Conclusions and relevance: </strong>IgG4-RP commonly presents with headaches and cranial nerve dysfunction, posing diagnostic challenges due to the significant absence of systemic manifestations, low IgG4 serum levels, and atypical pathological findings. Current treatment outcomes are limited by incomplete recovery and frequent relapses underscoring the necessity for new treatment strategies.</p>","PeriodicalId":14677,"journal":{"name":"JAMA neurology","volume":" ","pages":""},"PeriodicalIF":20.4,"publicationDate":"2024-11-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142647943","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
AI Devices in Neurology-Moving From Diagnosis to Prognosis. 神经病学中的人工智能设备--从诊断到预后。
IF 20.4 1区 医学
JAMA neurology Pub Date : 2024-11-18 DOI: 10.1001/jamaneurol.2024.3835
James M Hillis, Edward R Scheffer Cliff, Kerstin N Vokinger
{"title":"AI Devices in Neurology-Moving From Diagnosis to Prognosis.","authors":"James M Hillis, Edward R Scheffer Cliff, Kerstin N Vokinger","doi":"10.1001/jamaneurol.2024.3835","DOIUrl":"https://doi.org/10.1001/jamaneurol.2024.3835","url":null,"abstract":"","PeriodicalId":14677,"journal":{"name":"JAMA neurology","volume":" ","pages":""},"PeriodicalIF":20.4,"publicationDate":"2024-11-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142647929","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Epileptiform Electrographic Patterns After Cardiac Arrest 心脏骤停后的癫痫样电图模式
IF 29 1区 医学
JAMA neurology Pub Date : 2024-11-11 DOI: 10.1001/jamaneurol.2024.3831
Andrea O. Rossetti, Sarah Benghanem
{"title":"Epileptiform Electrographic Patterns After Cardiac Arrest","authors":"Andrea O. Rossetti, Sarah Benghanem","doi":"10.1001/jamaneurol.2024.3831","DOIUrl":"https://doi.org/10.1001/jamaneurol.2024.3831","url":null,"abstract":"This Viewpoint challenges conventional clinical practice that eschews pharmacological intervention for comatose patients with epileptiform abnormalities after cardiac arrest using evidence from the Treatment of Electroencephalographic Status Epilepticus after Cardiopulmonary Resuscitation (TELSTAR) trial.","PeriodicalId":14677,"journal":{"name":"JAMA neurology","volume":"95 1","pages":""},"PeriodicalIF":29.0,"publicationDate":"2024-11-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142598511","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Frailty Trajectories Preceding Dementia in the US and UK 美国和英国老年痴呆症前的虚弱轨迹
IF 29 1区 医学
JAMA neurology Pub Date : 2024-11-11 DOI: 10.1001/jamaneurol.2024.3774
David D. Ward, Jonny P. Flint, Thomas J. Littlejohns, Isabelle F. Foote, Marco Canevelli, Lindsay M. K. Wallace, Emily H. Gordon, David J. Llewellyn, Janice M. Ranson, Ruth E. Hubbard, Kenneth Rockwood, Erwin Stolz
{"title":"Frailty Trajectories Preceding Dementia in the US and UK","authors":"David D. Ward, Jonny P. Flint, Thomas J. Littlejohns, Isabelle F. Foote, Marco Canevelli, Lindsay M. K. Wallace, Emily H. Gordon, David J. Llewellyn, Janice M. Ranson, Ruth E. Hubbard, Kenneth Rockwood, Erwin Stolz","doi":"10.1001/jamaneurol.2024.3774","DOIUrl":"https://doi.org/10.1001/jamaneurol.2024.3774","url":null,"abstract":"ImportanceAn accessible marker of both biological age and dementia risk is crucial to advancing dementia prevention and treatment strategies. Although frailty is a candidate for that role, the nature of the relationship between frailty and dementia is not well understood.ObjectiveTo clarify the temporal relationship between frailty and incident dementia by investigating frailty trajectories in the years preceding dementia onset.Design, Setting, and ParticipantsParticipant data came from 4 prospective cohort studies: the English Longitudinal Study of Ageing, the Health and Retirement Study, the Rush Memory and Aging Project, and the National Alzheimer Coordinating Center. Data were collected between 1997 and 2024 and were analyzed from July 2023 to August 2024. The settings were retirement communities, national-level surveys, and a multiclinic-based cohort. Included individuals were 60 years or older and without cognitive impairment at baseline. Included individuals also had data on age, sex, education level, and ethnicity and a frailty index score calculated at baseline.ExposureFrailty was the main exposure, with participants’ degrees of frailty quantified using retrospectively calculated frailty index scores.Main Outcomes and MeasuresIncident all-cause dementia ascertained through physician-derived diagnoses, self- and informant-report, and estimated classifications based on combinations of cognitive tests.ResultsThe participant number before exclusions was 87 737. After exclusions, data from 29 849 participants (mean [SD] age, 71.6 [7.7] years; 18 369 female [62%]; 257 963 person-years of follow-up; 3154 cases of incident dementia) were analyzed. Bayesian generalized linear mixed regression models revealed accelerations in frailty trajectories 4 to 9 years before incident dementia. Overall, frailty was positively associated with dementia risk (adjusted hazard ratios [aHRs] ranged from 1.18; 95% CI, 1.13-1.24 to 1.73; 95% CI, 1.57-1.92). This association held among participants whose time between frailty measurement and incident dementia exceeded the identified acceleration period (aHRs ranged from 1.18; 95% CI, 1.12-1.23 to 1.43; 95% CI, 1.14-1.80).Conclusions and RelevanceThese findings suggest that frailty measurements may be used to identify high-risk population groups for preferential enrolment into clinical trials for dementia prevention and treatment. Frailty itself may represent a useful upstream target for behavioral and societal approaches to dementia prevention.","PeriodicalId":14677,"journal":{"name":"JAMA neurology","volume":"154 1","pages":""},"PeriodicalIF":29.0,"publicationDate":"2024-11-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142598508","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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