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Menopause age and type and dementia risk: a pooled analysis of 233 802 women 绝经年龄和类型与痴呆症风险:对 233 802 名妇女的汇总分析
IF 6.7 2区 医学 Q1 GERIATRICS & GERONTOLOGY Pub Date : 2024-11-20 DOI: 10.1093/ageing/afae254
Annette J Dobson, Zhiwei XU, Louise F Wilson, Hsin-Fang Chung, Sven Sandin, Yvonne T Van der Schouw, Panayotes Demakakos, Elisabete Weiderpass, Gita D Mishra
Objectives It is not clear whether the association between younger age at menopause and increased risk of dementia is modified by type of menopause. We examined the association of age at menopause or hysterectomy with dementia risk in three groups of women: those with natural menopause, premenopausal bilateral oophorectomy (surgical menopause) or premenopausal hysterectomy (without bilateral oophorectomy). Study design Individual-level data from 233 802 women in five prospective cohort studies (from four countries) were harmonized and pooled. Cox proportional hazards models were used to assess the associations of age at natural menopause, surgical menopause or premenopausal hysterectomy, with age at dementia, death (where available) or end of follow-up, whichever came first. Results The study followed women to the median age of 72 years (quartiles 67, 76 years). The median follow-up time was 13 years, with 3262 dementia cases during this period. Compared with women with menopause at 50–52 years, women with menopause <40 years had a higher risk of dementia (adjusted hazard ratio (aHR): 1.47, 95% confidence interval (CI): 1.39, 1.56). This level of risk was comparable to that of current smoking and stroke, which are well-established risk factors for dementia. Increased risk of dementia associated with surgical menopause or premenopausal hysterectomy (compared to natural menopause) was not apparent after adjustment for age at menopause (aHR 0.99, 95% CI: 0.93, 1.04 and aHR 0.97, 95% CI: 0.95, 1.00, respectively). Conclusion Women who experience menopause before the age of 40 years have a higher risk of dementia irrespective of type of menopause.
目的 目前还不清楚绝经年龄较小与痴呆风险增加之间的关系是否会因绝经类型而改变。我们研究了三组女性绝经年龄或子宫切除术与痴呆风险的关系:自然绝经、绝经前双侧输卵管切除术(手术绝经)或绝经前子宫切除术(无双侧输卵管切除术)。研究设计 对(来自四个国家的)五项前瞻性队列研究中 233 802 名妇女的个体数据进行了统一和汇总。采用 Cox 比例危险模型评估自然绝经、手术绝经或绝经前子宫切除的年龄与痴呆、死亡(如有)或随访结束(以先到者为准)的年龄之间的关系。结果 该研究对妇女进行了随访,中位年龄为 72 岁(四分位数为 67、76 岁)。中位随访时间为 13 年,在此期间共发现 3262 例痴呆症病例。与 50-52 岁绝经的女性相比,40 岁绝经的女性患痴呆症的风险更高(调整后危险比(aHR):1.47,95% 置信区间(CI):1.39,1.56)。这一风险水平与目前吸烟和中风的风险水平相当,而吸烟和中风是公认的痴呆症风险因素。在对绝经年龄进行调整后,与手术绝经或绝经前子宫切除术(与自然绝经相比)相关的痴呆风险增加并不明显(aHR 0.99,95% CI:0.93,1.04;aHR 0.97,95% CI:0.95,1.00)。结论 40岁之前绝经的女性患痴呆症的风险较高,与绝经类型无关。
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引用次数: 0
Equality of opportunity for timely dementia diagnosis (EQUATED): a qualitative study of how people from minoritised ethnic groups experience the early symptoms of dementia and seek help 痴呆症及时诊断机会均等(EQUATED):关于少数民族群体如何体验痴呆症早期症状并寻求帮助的定性研究
IF 6.7 2区 医学 Q1 GERIATRICS & GERONTOLOGY Pub Date : 2024-11-20 DOI: 10.1093/ageing/afae244
Christine Carter, Moïse Roche, Elenyd Whitfield, Jessica Budgett, Sarah Morgan-Trimmer, Sedigheh Zabihi, Yvonne Birks, Fiona Walter, Mark Wilberforce, Jessica Jiang, Refah Ahmed, Wesley Dowridge, Charles R Marshall, Claudia Cooper
Introduction People from minoritised ethnic groups are diagnosed with dementia later in the disease. We explored pathways that may determine the timing of diagnoses in a UK ethnically diverse, urban area. Methods We conducted 61 semi-structured interviews: 10 community-dwelling older people from minoritised ethnic backgrounds with diagnosed and undiagnosed dementia (mean age = 72 years; males = 5/10), 30 family members (51; 10/30), 16 health or social care professionals (42; 3/15), 3 paid carers and 2 interpreters for people with dementia. We used reflexive thematic analysis and the Model of Pathways to Treatment to consider diagnostic delay. Findings We identified three themes: (1) Cultural identity and practices shape responses: gendered expectations that families relieve elders of household roles reduce awareness or concern when functioning declines; expectations that religious practices are maintained mean problems doing so triggers help-seeking. Second-generation family members often held insider and outsider identities, balancing traditional and Western perspectives. (2) Becoming like a tourist: daily experiences became unfamiliar for people developing dementia in an adopted country, sometimes engendering a need to reconnect with a home country. For professionals and interpreters, translating meanings faithfully, and balancing relatives’ and clients’ voices, were challenging. (3) Naming and conceptualising dementia: the term dementia was stigmatised, with cultural nuances in how it was understood; initial presentations often included physical symptoms with cognitive concerns. Conclusion Greater understanding of dilemmas faced by minoritised ethnic communities, closer collaboration with interpreters and workforce diversity could reduce time from symptom appraisal to diagnosis, and support culturally competent diagnostic assessments.
导言:少数族裔群体的人被诊断出患有痴呆症的时间较晚。我们在英国一个种族多元化的城市地区探索了可能决定诊断时间的途径。方法 我们进行了 61 次半结构式访谈:其中包括:10 名社区居住的患有已确诊和未确诊痴呆症的少数民族老年人(平均年龄 72 岁;男性 5/10)、30 名家庭成员(51 人;10/30)、16 名医疗或社会护理专业人员(42 人;3/15)、3 名带薪护理人员和 2 名痴呆症患者口译人员。我们采用了反思性主题分析法和治疗路径模型来考虑诊断延迟问题。研究结果 我们确定了三个主题:(1) 文化认同和习俗决定了应对措施:当功能下降时,家人减轻长辈家务劳动的性别期望会降低对长辈的认识或关注;维持宗教习俗的期望意味着这样做会引发问题,从而寻求帮助。第二代家庭成员往往持有局内人和局外人的身份,兼顾传统观点和西方观点。(2) 变得像个游客:对于在被收养国患痴呆症的人来说,日常经历变得陌生,有时会产生与母国重新建立联系的需求。对于专业人员和口译员来说,忠实地翻译意思,平衡亲属和客户的声音,都是一项挑战。(3) 痴呆症的命名和概念化:痴呆症一词被污名化,对它的理解在文化上存在细微差别;最初的症状往往包括身体症状和认知问题。结论 进一步了解少数民族社区所面临的困境、与口译人员更紧密的合作以及劳动力的多样性可以缩短从症状评估到诊断的时间,并支持符合文化要求的诊断评估。
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引用次数: 0
The discontinuation of implantable cardioverter defibrillator shock therapies towards the end of life: consensus guideline from the British Heart Rhythm Society 临终前停止植入式心脏除颤器电击疗法:英国心脏节律学会共识指南
IF 6.7 2区 医学 Q1 GERIATRICS & GERONTOLOGY Pub Date : 2024-11-14 DOI: 10.1093/ageing/afae246
Honey Thomas, Amy Dutton, Miriam J Johnson, Heather Herbert, Jane Wallace, Paul Foley
Implantable cardioverter defibrillators (ICDs) are implanted in increasing numbers of patients with the aim of treating ventricular arrhythmias in high-risk patients and reducing their risk of dying. Individuals are also living longer with these devices. As a result, a greater number of patients with an ICD will deteriorate either with worsening cardiac failure, another non-cardiac condition or general frailty and will have a limited prognosis. Frequently, they will be cared for by non-cardiac teams who may be less familiar with ICDs. Therefore, to ensure the person receives high-quality end-of-life care, they should have the opportunity to consider and discuss the option to deactivate the shock function of their ICD. If the ICD shock therapy is not discontinued, there is an increased risk that, as a person reaches the last days of life, the ICD may deliver multiple, painful shocks that are distressing. There is also a risk that the device may delay the person’s natural death, which the person would not have chosen if they had been given the opportunity to discuss discontinuation. The British Heart Rhythm Society has developed a practical guideline to support all healthcare professionals who are caring for patients who have an ICD. This includes descriptions of different device types, ethical and legal aspects, timing and nature of ICD discussions and practical advice regarding how the devices may be deactivated. It aims to promote awareness and timely discussion between professionals and patients and to encourage best practice.
越来越多的患者植入了植入式心律转复除颤器(ICD),目的是治疗高危患者的室性心律失常,降低他们的死亡风险。使用这些设备的患者寿命也越来越长。因此,越来越多的 ICD 患者会因心力衰竭、其他非心脏疾病或全身虚弱而病情恶化,预后有限。通常情况下,他们将由对 ICD 不太熟悉的非心脏科团队进行护理。因此,为了确保患者获得高质量的临终关怀,他们应该有机会考虑并讨论停用 ICD 电击功能的选择。如果不停止 ICD 的电击治疗,在患者生命的最后几天, ICD 可能会发出多次令人痛苦的电击,从而增加风险。此外,该设备还可能会延迟患者的自然死亡,而如果患者有机会讨论停止治疗,他们是不会选择自然死亡的。英国心脏节律协会已经制定了一份实用指南,为所有照 顾 ICD 患者的医护人员提供支持。其中包括不同设备类型的说明、伦理和法律方面的问题、ICD 讨论的时间和性质以及有关如何停用设备的实用建议。其目的在于提高专业人员与患者之间的认识和及时讨论,并鼓励最佳实践。
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引用次数: 0
Mild behavioural impairment in Parkinson’s disease: a systematic review 帕金森病的轻度行为障碍:系统综述
IF 6.7 2区 医学 Q1 GERIATRICS & GERONTOLOGY Pub Date : 2024-11-11 DOI: 10.1093/ageing/afae247
Ruan-Ching Yu, Lung Chan, Szu-Yi Chou, Li-Fong Lin, Chaur-Jong Hu, Chien-Tai Hong
Behavioural symptoms are common manifestations of Parkinson’s disease (PD). Early behavioural symptoms characterise mild behavioural impairment (MBI). The prevalence and intensity of MBI in people with PD (PwP) have been studied across various cohorts. However, methodological differences have obscured our understanding of MBI in these individuals. This systematic review examines and synthesises findings from relevant studies, enhancing understanding of the symptoms and implications of MBI in PD. Nine studies from five separate research institutions were identified. The conceptualisation of MBI varied considerably, affecting the reported prevalence rates of MBI in individuals with early-stage PD. Among PwP, MBI was associated higher education and impaired cognition. Affective dysregulation and impulse control disorders were primary contributors to MBI; abnormal perception was least contributor. This systematic review underscores the specific characteristics and incidence of MBI in early-stage PD. Mood and impulse control disorders are primary concerns associated with MBI. Future longitudinal studies are required to clarify the progression of these symptoms and evaluate MBI’s potential as an indicator for PD-related dementia or increased dependency.
行为症状是帕金森病(PD)的常见表现。早期行为症状是轻度行为障碍(MBI)的特征。对帕金森病患者(PwP)轻度行为障碍的发生率和强度进行了不同队列的研究。然而,方法上的差异阻碍了我们对这些人的轻度行为障碍的了解。本系统性综述对相关研究的结果进行了检查和综合,从而加深了我们对帕金森病 MBI 症状和影响的理解。本综述确定了来自五个不同研究机构的九项研究。MBI的概念差异很大,影响了早期帕金森病患者MBI的报告患病率。在残疾人中,MBI 与教育程度较高和认知能力受损有关。情感调节障碍和冲动控制障碍是导致MBI的主要因素,而知觉异常是导致MBI的最小因素。本系统综述强调了早期帕金森病中MBI的具体特征和发病率。情绪和冲动控制障碍是与MBI相关的主要问题。未来需要进行纵向研究,以明确这些症状的进展,并评估MBI作为与帕金森病相关的痴呆症或依赖性增加的指标的潜力。
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引用次数: 0
Retraction. 撤回。
IF 6 2区 医学 Q1 GERIATRICS & GERONTOLOGY Pub Date : 2024-11-04 DOI: 10.1093/ageing/afae252
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引用次数: 0
Physical activity and sedentary behaviour interventions for people living with both frailty and multiple long-term conditions and their informal carers: a scoping review and stakeholder consultation. 针对体弱多病者及其非正式照顾者的体育锻炼和久坐行为干预:范围界定审查和利益相关者咨询。
IF 6 2区 医学 Q1 GERIATRICS & GERONTOLOGY Pub Date : 2024-11-04 DOI: 10.1093/ageing/afae255
Hannah M L Young, Joseph Henson, Paddy C Dempsey, Scott A Willis, Roseanne E Billany, Ffion Curtis, Laura Gray, Sharlene Greenwood, Louisa Y Herring, Patrick Highton, Ryan J Kelsey, Selina Lock, Daniel S March, Krishna Patel, Jack Sargeant, Harini Sathanapally, Avan A Sayer, Martha Thomas, Noemi Vadaszy, Emma Watson, Tom Yates, Melanie Davies

Introduction: This scoping review mapped evidence on physical activity (including structured exercise) and sedentary behaviour interventions (interventions to reduce sedentary behaviour) in people living with both frailty and multiple long-term conditions (MLTCs) and their informal carers.

Methods: Ten databases and grey literature were searched from 2000 to October 2023. Two reviewers screened studies and one extracted data. Results were shared with three stakeholder groups (n = 21) in a consultation phase.

Results: After screening, 155 papers from 144 studies (1 ongoing) were retained. The majority were randomised controlled trials (86, 55%). Participants' mean age was 73 ± 12 years, and 73% were of White ethnicity. MLTC and frailty measurement varied widely. Most participants were pre-to-moderately frail. Physical health conditions predominated over mental health conditions.Interventions focused on structured exercise (83 studies, 60%) or combined interventions (55 studies, 39%). Two (1%) and one (0.7%) focused solely on habitual physical activity or sedentary behaviour. Adherence was 81% (interquartile range 62%-89%) with goal setting, monitoring and support important to adherence. Carers were only involved in 15 (11%) studies. Most interventions reported positive outcomes, primarily focusing on body functions and structures.

Conclusions: A modest volume of evidence exists on multicomponent structured exercise interventions, with less focus on habitual physical activity and sedentary behaviour. Interventions report largely positive effects, but an updated systematic review is required. The field could be advanced by more rigorous characterisation of MLTCs, socioeconomic status and ethnicity, increased informal carer involvement and further evaluation of habitual physical activity and sedentary behaviour interventions.

导言:本范围界定综述对体弱和患有多种长期病症(MLTCs)的患者及其非正式照顾者的体育锻炼(包括有组织的锻炼)和久坐行为干预(减少久坐行为的干预)的证据进行了分析:检索了 2000 年至 2023 年 10 月的 10 个数据库和灰色文献。两名审稿人筛选了研究,一名审稿人提取了数据。在咨询阶段,与三个利益相关者团体(n = 21)分享了结果:经过筛选,保留了来自 144 项研究(1 项正在进行中)的 155 篇论文。大部分为随机对照试验(86 篇,55%)。参与者的平均年龄为 73 ± 12 岁,73% 为白人。MLTC 和虚弱程度的测量结果差异很大。大多数参与者属于前期至中度虚弱。干预的重点是有组织的锻炼(83 项研究,60%)或综合干预(55 项研究,39%)。两项(1%)和一项(0.7%)仅针对习惯性体育锻炼或久坐行为。坚持运动的比例为 81%(四分位间范围为 62%-89%),目标设定、监测和支持对坚持运动非常重要。只有 15 项(11%)研究涉及到了照顾者。大多数干预措施都取得了积极成果,主要集中在身体功能和结构方面:关于多成分结构化运动干预的证据数量不多,但对习惯性体育活动和久坐行为的关注较少。干预措施在很大程度上产生了积极的效果,但还需要进行最新的系统回顾。通过更严格地描述多组分结构化运动疗法的特点、社会经济地位和种族、增加非正规护理者的参与以及进一步评估习惯性体力活动和久坐行为干预措施,可以推动该领域的发展。
{"title":"Physical activity and sedentary behaviour interventions for people living with both frailty and multiple long-term conditions and their informal carers: a scoping review and stakeholder consultation.","authors":"Hannah M L Young, Joseph Henson, Paddy C Dempsey, Scott A Willis, Roseanne E Billany, Ffion Curtis, Laura Gray, Sharlene Greenwood, Louisa Y Herring, Patrick Highton, Ryan J Kelsey, Selina Lock, Daniel S March, Krishna Patel, Jack Sargeant, Harini Sathanapally, Avan A Sayer, Martha Thomas, Noemi Vadaszy, Emma Watson, Tom Yates, Melanie Davies","doi":"10.1093/ageing/afae255","DOIUrl":"10.1093/ageing/afae255","url":null,"abstract":"<p><strong>Introduction: </strong>This scoping review mapped evidence on physical activity (including structured exercise) and sedentary behaviour interventions (interventions to reduce sedentary behaviour) in people living with both frailty and multiple long-term conditions (MLTCs) and their informal carers.</p><p><strong>Methods: </strong>Ten databases and grey literature were searched from 2000 to October 2023. Two reviewers screened studies and one extracted data. Results were shared with three stakeholder groups (n = 21) in a consultation phase.</p><p><strong>Results: </strong>After screening, 155 papers from 144 studies (1 ongoing) were retained. The majority were randomised controlled trials (86, 55%). Participants' mean age was 73 ± 12 years, and 73% were of White ethnicity. MLTC and frailty measurement varied widely. Most participants were pre-to-moderately frail. Physical health conditions predominated over mental health conditions.Interventions focused on structured exercise (83 studies, 60%) or combined interventions (55 studies, 39%). Two (1%) and one (0.7%) focused solely on habitual physical activity or sedentary behaviour. Adherence was 81% (interquartile range 62%-89%) with goal setting, monitoring and support important to adherence. Carers were only involved in 15 (11%) studies. Most interventions reported positive outcomes, primarily focusing on body functions and structures.</p><p><strong>Conclusions: </strong>A modest volume of evidence exists on multicomponent structured exercise interventions, with less focus on habitual physical activity and sedentary behaviour. Interventions report largely positive effects, but an updated systematic review is required. The field could be advanced by more rigorous characterisation of MLTCs, socioeconomic status and ethnicity, increased informal carer involvement and further evaluation of habitual physical activity and sedentary behaviour interventions.</p>","PeriodicalId":7682,"journal":{"name":"Age and ageing","volume":"53 11","pages":""},"PeriodicalIF":6.0,"publicationDate":"2024-11-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142666809","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"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
Association between metabolomics-based biomarker scores and 10-year cognitive decline in men and women. The Doetinchem Cohort Study. 基于代谢组学的生物标志物评分与男性和女性 10 年认知能力衰退之间的关系。Doetinchem队列研究。
IF 6 2区 医学 Q1 GERIATRICS & GERONTOLOGY Pub Date : 2024-11-04 DOI: 10.1093/ageing/afae256
Annelot P Smit, Gerrie-Cor M Herber, Lieke M Kuiper, M Liset Rietman, Kirsten E J Wesenhagen, H Susan J Picavet, P Eline Slagboom, W M Monique Verschuren

Background: Metabolomic scores based on age (MetaboAge) and mortality (MetaboHealth) are considered indicators of overall health, but their association with cognition in the general population is unknown. Therefore, the association between MetaboAge/MetaboHealth and level and decline in cognition was studied, as were differences between men and women.

Methods: Data of 2821 participants (50% women, age range 45-75) from the Doetinchem Cohort Study was used. MetaboAge and MetaboHealth were calculated from 1H-NMR metabolomics data at baseline. Cognitive domain scores (memory, flexibility and processing speed) and global cognitive functioning were available over a 10-year period. The association between MetaboAge/MetaboHealth and level of cognitive functioning was studied using linear regressions while for the association between MetaboAge/MetaboHealth and cognitive decline longitudinal linear mixed models were used. Analyses were adjusted for demographics and lifestyle factors.

Results: Higher MetaboAge, indicating poorer metabolomic ageing, was only associated with lower levels of processing speed in men. Higher MetaboHealth, indicating poorer immune-metabolic health, was associated with lower levels of cognitive functioning for all three domains and global cognitive functioning in both men and women. Only in men, MetaboHealth was also associated with 10-year decline in flexibility, processing speed and global cognition. Metabolites that contributed to the observed associations were in men mainly markers of protein metabolism, and in women mainly markers of lipid metabolism and inflammatory metabolites.

Conclusions: MetaboHealth, not MetaboAge, was associated with cognitive functioning independent of conventional risk factors. Individual metabolites affect cognitive functioning differently in men and women, suggesting sex-specific pathophysiological pathways underlying cognitive functioning.

背景:基于年龄(MetaboAge)和死亡率(MetaboHealth)的代谢组评分被认为是整体健康的指标,但它们与普通人群认知能力的关系尚不清楚。因此,我们研究了 MetaboAge/MetaboHealth 与认知水平和认知能力下降之间的关系,以及男女之间的差异:方法:研究使用了 Doetinchem 队列研究中 2821 名参与者(50% 为女性,年龄在 45-75 岁之间)的数据。根据基线时的 1H-NMR 代谢组学数据计算 MetaboAge 和 MetaboHealth。认知领域得分(记忆力、灵活性和处理速度)和整体认知功能可在 10 年内获得。MetaboAge/MetaboHealth与认知功能水平之间的关系采用线性回归法进行研究,而MetaboAge/MetaboHealth与认知功能下降之间的关系则采用纵向线性混合模型进行研究。分析对人口统计学和生活方式因素进行了调整:结果:较高的 MetaboAge(表明代谢组老化较差)仅与男性较低的处理速度水平有关。MetaboHealth值越高,表明免疫代谢健康状况越差,这与男性和女性在所有三个领域的认知功能水平以及整体认知功能水平较低有关。只有在男性中,MetaboHealth 还与灵活性、处理速度和整体认知能力的 10 年下降有关。导致观察到的关联的代谢物在男性中主要是蛋白质代谢标志物,在女性中主要是脂质代谢标志物和炎症代谢物:结论:MetaboHealth(而非 MetaboAge)与认知功能相关,不受传统风险因素的影响。单个代谢物对男性和女性认知功能的影响不同,这表明认知功能的病理生理途径具有性别特异性。
{"title":"Association between metabolomics-based biomarker scores and 10-year cognitive decline in men and women. The Doetinchem Cohort Study.","authors":"Annelot P Smit, Gerrie-Cor M Herber, Lieke M Kuiper, M Liset Rietman, Kirsten E J Wesenhagen, H Susan J Picavet, P Eline Slagboom, W M Monique Verschuren","doi":"10.1093/ageing/afae256","DOIUrl":"10.1093/ageing/afae256","url":null,"abstract":"<p><strong>Background: </strong>Metabolomic scores based on age (MetaboAge) and mortality (MetaboHealth) are considered indicators of overall health, but their association with cognition in the general population is unknown. Therefore, the association between MetaboAge/MetaboHealth and level and decline in cognition was studied, as were differences between men and women.</p><p><strong>Methods: </strong>Data of 2821 participants (50% women, age range 45-75) from the Doetinchem Cohort Study was used. MetaboAge and MetaboHealth were calculated from 1H-NMR metabolomics data at baseline. Cognitive domain scores (memory, flexibility and processing speed) and global cognitive functioning were available over a 10-year period. The association between MetaboAge/MetaboHealth and level of cognitive functioning was studied using linear regressions while for the association between MetaboAge/MetaboHealth and cognitive decline longitudinal linear mixed models were used. Analyses were adjusted for demographics and lifestyle factors.</p><p><strong>Results: </strong>Higher MetaboAge, indicating poorer metabolomic ageing, was only associated with lower levels of processing speed in men. Higher MetaboHealth, indicating poorer immune-metabolic health, was associated with lower levels of cognitive functioning for all three domains and global cognitive functioning in both men and women. Only in men, MetaboHealth was also associated with 10-year decline in flexibility, processing speed and global cognition. Metabolites that contributed to the observed associations were in men mainly markers of protein metabolism, and in women mainly markers of lipid metabolism and inflammatory metabolites.</p><p><strong>Conclusions: </strong>MetaboHealth, not MetaboAge, was associated with cognitive functioning independent of conventional risk factors. Individual metabolites affect cognitive functioning differently in men and women, suggesting sex-specific pathophysiological pathways underlying cognitive functioning.</p>","PeriodicalId":7682,"journal":{"name":"Age and ageing","volume":"53 11","pages":""},"PeriodicalIF":6.0,"publicationDate":"2024-11-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142666806","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"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
Modifiable dementia risk associated with smaller white matter volume and altered 1/f aperiodic brain activity: cross-sectional insights from the LEISURE study. 可改变的痴呆症风险与较小的白质体积和改变的 1/f 非周期性大脑活动有关:LEISURE 研究的横断面见解。
IF 6 2区 医学 Q1 GERIATRICS & GERONTOLOGY Pub Date : 2024-11-04 DOI: 10.1093/ageing/afae243
Thomas Pace, Jacob M Levenstein, Toomas E Anijärv, Alicia J Campbell, Ciara Treacy, Daniel F Hermens, Sophie C Andrews

Background: The rising prevalence of dementia necessitates identifying early neurobiological markers of dementia risk. Reduced cerebral white matter volume and flattening of the slope of the electrophysiological 1/f spectral power distribution provide neurobiological markers of brain ageing alongside cognitive decline. However, their association with modifiable dementia risk remains to be understood.

Methods: A cross-sectional sample of 98 healthy older adults (79 females, mean age = 65.44) underwent structural magnetic resonance imaging (sMRI), resting-state electroencephalography (EEG), cognitive assessments and dementia risk scoring using the CogDrisk framework. Univariate and multivariate linear regression models were conducted to investigate the relationships between modifiable dementia risk and sMRI brain volumes, the exponent of EEG 1/f spectral power, and cognition, whilst controlling for non-modifiable factors.

Results: Smaller global white matter volume (F(1,87) = 6.884, R2 = 0.073, P = .010), and not grey (F(1,87) = 0.540, R2 = 0.006, P = .468) or ventricle volume (F(1,87) = 0.087, R2 = 0.001, P = .769), was associated with higher modifiable dementia risk. A lower exponent, reflecting a flatter 1/f spectral power distribution, was associated with higher dementia risk at frontal (F(1,92) = 4.096, R2 = 0.043, P = .046) but not temporal regions. No significant associations were found between cognitive performance and dementia risk. In multivariate analyses, both white matter volume and the exponent of the 1/f spectral power distribution independently associated with dementia risk.

Conclusions: Structural and functional neurobiological markers of early brain ageing, but not cognitive function, are independently associated with modifiable dementia risk in healthy older adults.

背景:随着痴呆症发病率的上升,有必要确定痴呆症风险的早期神经生物学标志物。脑白质体积缩小和电生理 1/f 频谱功率分布斜率变平提供了伴随认知能力下降的大脑老化的神经生物学标志。然而,它们与可改变的痴呆症风险之间的关系仍有待了解:98名健康老年人(79名女性,平均年龄=65.44岁)接受了结构性磁共振成像(sMRI)、静息态脑电图(EEG)、认知评估,并使用CogDrisk框架进行了痴呆风险评分。通过单变量和多变量线性回归模型研究了可改变的痴呆风险与sMRI脑容量、脑电图1/f频谱功率指数和认知能力之间的关系,同时控制了不可改变的因素:全球白质体积较小(F(1,87) = 6.884, R2 = 0.073, P = .010),而灰质体积(F(1,87) = 0.540, R2 = 0.006, P = .468)或脑室体积(F(1,87) = 0.087, R2 = 0.001, P = .769)较小,则与较高的可改变痴呆风险无关。指数越低,反映出 1/f 频谱功率分布越平坦,与额叶(F(1,92) = 4.096,R2 = 0.043,P = .046)痴呆风险越高有关,但与颞叶区域无关。认知能力与痴呆症风险之间没有发现明显的关联。在多变量分析中,白质体积和1/f频谱功率分布指数都与痴呆症风险有独立关联:结论:在健康的老年人中,大脑早期老化的结构性和功能性神经生物学标志物(而非认知功能)与可改变的痴呆症风险有独立的关联。
{"title":"Modifiable dementia risk associated with smaller white matter volume and altered 1/f aperiodic brain activity: cross-sectional insights from the LEISURE study.","authors":"Thomas Pace, Jacob M Levenstein, Toomas E Anijärv, Alicia J Campbell, Ciara Treacy, Daniel F Hermens, Sophie C Andrews","doi":"10.1093/ageing/afae243","DOIUrl":"10.1093/ageing/afae243","url":null,"abstract":"<p><strong>Background: </strong>The rising prevalence of dementia necessitates identifying early neurobiological markers of dementia risk. Reduced cerebral white matter volume and flattening of the slope of the electrophysiological 1/f spectral power distribution provide neurobiological markers of brain ageing alongside cognitive decline. However, their association with modifiable dementia risk remains to be understood.</p><p><strong>Methods: </strong>A cross-sectional sample of 98 healthy older adults (79 females, mean age = 65.44) underwent structural magnetic resonance imaging (sMRI), resting-state electroencephalography (EEG), cognitive assessments and dementia risk scoring using the CogDrisk framework. Univariate and multivariate linear regression models were conducted to investigate the relationships between modifiable dementia risk and sMRI brain volumes, the exponent of EEG 1/f spectral power, and cognition, whilst controlling for non-modifiable factors.</p><p><strong>Results: </strong>Smaller global white matter volume (F(1,87) = 6.884, R2 = 0.073, P = .010), and not grey (F(1,87) = 0.540, R2 = 0.006, P = .468) or ventricle volume (F(1,87) = 0.087, R2 = 0.001, P = .769), was associated with higher modifiable dementia risk. A lower exponent, reflecting a flatter 1/f spectral power distribution, was associated with higher dementia risk at frontal (F(1,92) = 4.096, R2 = 0.043, P = .046) but not temporal regions. No significant associations were found between cognitive performance and dementia risk. In multivariate analyses, both white matter volume and the exponent of the 1/f spectral power distribution independently associated with dementia risk.</p><p><strong>Conclusions: </strong>Structural and functional neurobiological markers of early brain ageing, but not cognitive function, are independently associated with modifiable dementia risk in healthy older adults.</p>","PeriodicalId":7682,"journal":{"name":"Age and ageing","volume":"53 11","pages":""},"PeriodicalIF":6.0,"publicationDate":"2024-11-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11551051/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142612418","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Association of night shift work and biological ageing: the mediating role of body mass index. 夜班工作与生物衰老的关系:体重指数的中介作用。
IF 6 2区 医学 Q1 GERIATRICS & GERONTOLOGY Pub Date : 2024-11-01 DOI: 10.1093/ageing/afae242
Wenqi Shen, Lingli Cai, Jiang Li, Ying Sun, Bin Wang, Ningjian Wang, Yingli Lu

Background: We aimed to examine whether current and lifetime night shift work is associated with accelerated biological ageing and the potential role of body mass index (BMI) in mediating the association.

Methods: Data were sourced from the UK Biobank cohort. This study included participants who reported detailed information on their current work schedule and had complete data to calculate PhenoAge. The outcome of interest was biological ageing, measured by PhenoAge acceleration. Multivariable linear regression models were conducted to test the relationship between night shift work and biological ageing. Mediation analyses were performed.

Results: Of the 182 064 participants included, the mean age was 52.6 years, and 51.1% were male. After adjustment for chronological age and sex, compared with day workers, shift workers without night shift, irregular night shift workers and permanent night shift workers were associated with 0.59-, 0.87- and 1.30-year increase in biological ageing, respectively (P for trend <.001). Considering the lifetime work schedule, participants who worked night shifts >10 years and participants who worked >8 night shifts each month showed increased biological age acceleration [>10 years: β = 0.54, 95% confidence interval (CI) 0.29-0.79; >8 times/month: β = 0.29, 95% CI 0.07-0.50]. The mediation analysis showed that BMI mediated the associations between night shift work and biological age acceleration by 36%-53%.

Conclusions: We showed that night shift work was associated with accelerated biological ageing. Our findings highlight the interventions on appropriate shift work schedules and weight management in night shift workers, which may slow the biological ageing process and ultimately reduce the burden of age-related diseases.

背景:我们旨在研究当前和终生夜班工作是否与加速生物衰老有关,以及体重指数(BMI)在调节这种关联中的潜在作用:数据来源于英国生物库队列。方法:数据来源于英国生物库队列。这项研究的参与者详细报告了他们目前的工作时间安排,并提供了计算 PhenoAge 的完整数据。研究结果是生物老化,通过 PhenoAge 加速度进行测量。我们建立了多变量线性回归模型,以检验夜班工作与生物衰老之间的关系。还进行了中介分析:在 182 064 名参与者中,平均年龄为 52.6 岁,51.1% 为男性。在对实际年龄和性别进行调整后,与白班工人相比,无夜班的轮班工人、不定时夜班工人和长期夜班工人的生物衰老分别增加了 0.59 年、0.87 年和 1.30 年(P 为 10 年趋势),每月夜班次数大于 8 次的参与者的生物衰老加速度增加[大于 10 年:β = 0.54,95% 置信区间(CI)为 0.29-0.79;大于 8 次/月:β = 0.29,95% 置信区间(CI)为 0.07-0.50]。中介分析表明,体重指数对夜班工作与生物年龄加速度之间的关联有36%-53%的中介作用:我们的研究结果表明,夜班工作与加速生物衰老有关。结论:我们的研究结果表明,夜班工作与生物衰老加速有关。我们的研究结果突出表明,对夜班工人进行适当的轮班工作时间安排和体重管理干预,可延缓生物衰老过程,最终减轻老年相关疾病的负担。
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引用次数: 0
The Italian guideline on diagnosis and treatment of dementia and mild cognitive impairment. 意大利痴呆症和轻度认知障碍诊断与治疗指南。
IF 6 2区 医学 Q1 GERIATRICS & GERONTOLOGY Pub Date : 2024-11-01 DOI: 10.1093/ageing/afae250
Elisa Fabrizi, Antonio Ancidoni, Nicoletta Locuratolo, Paola Piscopo, Francesco Della Gatta, Simone Salemme, Sara Maria Pani, Domitilla Marconi, Luca Vignatelli, Luciano Sagliocca, Paolo Caffarra, Piero Secreto, Antonio Guaita, Andrea Stracciari, Nicola Vanacore, Eleonora Lacorte
<p><strong>Introduction: </strong>Approximately 2 million people in Italy are currently living with dementia or mild cognitive impairment (MCI), and 4 million are involved as family members or caregivers. Considering the significant impact of dementia, the Italian Ministry of Health entrusted the Italian National Institute of Health (Istituto Superiore di Sanità) with the development of a guideline within the Italian National Guideline System (Sistema Nazionale Linee Guida, SNLG) on the diagnosis and treatment of dementia and MCI. The main objective was to provide evidence-based recommendations aimed at reducing the variability and ensuring the appropriateness of clinical practices throughout the whole care process from identification and diagnosis to the end of life for people with dementia (PwD) or MCI and their families/caregivers.</p><p><strong>Methods: </strong>The GRADE-ADOLOPMENT approach was used to adopt, adapt and update the guideline developed by the National Institute for Health and Care Excellence in 2018 (NG97). The methodology was based on the Methodological Handbook produced by the SNLG. A multidisciplinary panel of 29 experts and four representatives of family members/caregivers discussed and approved 47 review questions. Of these, 34 questions were adopted from the NG97, and 13 were new questions, including 10 questions referring to MCI. Systematic literature reviews were performed for each question, and a team of methodological and clinical experts qualitatively assessed and summarised results from included studies based on the GRADE approach. To facilitate the implementation and dissemination of the contents of this guideline, a care pathway and a leaflet dedicated to PwD or MCI and their families/caregivers were also developed.</p><p><strong>Results: </strong>The literature review for this guideline included studies published up to November 2023. More than 1000 peer-reviewed publications were included, covering the following areas: (i) identification, diagnosis and post-diagnostic support; (ii) care models and care coordination; (iii) pharmacological interventions for cognitive symptoms; (iv) non-pharmacological interventions for cognitive symptoms; (v) non-cognitive symptoms, intercurrent illnesses and palliative care. The multidisciplinary panel discussed and approved 167 clinical practice recommendations and 39 research recommendations.</p><p><strong>Commentary: </strong>Italy's first National Guideline on dementia and MCI addresses diagnosis, treatment and care within the National Healthcare System. It includes recommendations on pharmacological and non-pharmacological approaches, and emphasises tailored interventions, comprehensive cognitive assessment, staff training and palliative care. The guideline also underlines the need to involve PwD in decision-making and supporting caregivers throughout the entire course of the disease.</p><p><strong>Conclusions: </strong>Structured strategies for the dissemination and implemen
简介目前,意大利约有 200 万人患有痴呆症或轻度认知障碍 (MCI),400 万人作为家庭成员或护理人员参与其中。考虑到痴呆症的重大影响,意大利卫生部委托意大利国家卫生研究所(Istituto Superiore di Sanità)在意大利国家指南系统(Sistema Nazionale Linee Guida, SNLG)内制定一份关于痴呆症和 MCI 诊断与治疗的指南。主要目的是提供以证据为基础的建议,旨在减少临床实践的可变性,并确保痴呆症(PwD)或 MCI 患者及其家属/护理人员从识别、诊断到生命终结的整个护理过程中的适当性:采用 GRADE-ADOLOPMENT 方法来采纳、调整和更新美国国家健康与护理卓越研究所于 2018 年制定的指南(NG97)。该方法以 SNLG 编制的《方法手册》为基础。由 29 位专家和 4 位家庭成员/照顾者代表组成的多学科小组讨论并批准了 47 个审查问题。其中,34 个问题采用了 NG97 的内容,13 个为新问题,包括 10 个涉及 MCI 的问题。每个问题都进行了系统的文献综述,由方法学和临床专家组成的团队根据 GRADE 方法对纳入研究的结果进行了定性评估和总结。为促进本指南内容的实施和传播,还专门为残疾人或 MCI 患者及其家属/护理人员制定了护理路径和宣传单:本指南的文献综述包括截至 2023 年 11 月发表的研究。其中包括 1000 多篇经同行评审的出版物,涵盖以下领域:(i) 识别、诊断和诊断后支持;(ii) 护理模式和护理协调;(iii) 认知症状的药物干预;(iv) 认知症状的非药物干预;(v) 非认知症状、并发症和姑息治疗。多学科小组讨论并批准了 167 项临床实践建议和 39 项研究建议:意大利首份痴呆症和 MCI 国家指南涉及国家医疗保健系统内的诊断、治疗和护理。它包括药物治疗和非药物治疗方法的建议,并强调量身定制的干预措施、全面的认知评估、员工培训和姑息治疗。该指南还强调有必要让残疾人参与决策,并在整个病程中为照护者提供支持:2024-2026 年意大利阿尔茨海默氏症和其他痴呆症基金将确定传播和实施该指南的结构化战略。互动式护理路径和专门针对残疾人及其护理者的传单已经面世。该指南将于 2027 年 1 月开始更新,但如果有突破性进展,可能会提前更新。
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Age and ageing
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