The risk of overweight/obesity in mid-life and late life for the development of dementia: a systematic review and meta-analysis of longitudinal studies.

Scope: it has been suggested that overweight/obesity as a risk factor for incident dementia differs between mid-life and later life. We performed a systematic review and meta-analysis ofthe up-to-date current literature to assess this. Search Methods: inclusion criteria included epidemiological long...

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Publicado en:Age & Ageing Vol. 45; no. 1; pp. 14 - 22
Autores principales: PEDDITIZI, EMILIO, PETERS, RUTH, BECKETT, NIGEL
Formato: Artículo
Publicado: Oxford University Press / USA Jan2016
Materias:
Acceso en línea:Ver este registro en EBSCOhost
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      dt: Jan2016
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      pub: Oxford University Press / USA
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        112362603
        10.1093/ageing/afv151
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        atl: The risk of overweight/obesity in mid-life and late life for the development of dementia: a systematic review and meta-analysis of longitudinal studies.
      aug:
        au:
          PEDDITIZI, EMILIO
          PETERS, RUTH
          BECKETT, NIGEL
        affil:
          Medicine, Imperial College, London, UK
          Imperial College London, London, UK
          Care of the Elderly, Imperial College London, London, UK
      su:
        Dementia risk factors
        Obesity complications
        Confidence intervals
        Information storage & retrieval systems
        Medical databases
        Medical information storage & retrieval systems
        Psychology information storage & retrieval systems
        Longitudinal method
        MEDLINE
        Meta-analysis
        Online information services
        Systematic reviews
      sug:
        subj:
          Dementia risk factors
          Obesity complications
          Confidence intervals
          Information storage & retrieval systems
          Medical databases
          Medical information storage & retrieval systems
          Psychology information storage & retrieval systems
          Longitudinal method
          MEDLINE
          Meta-analysis
          Online information services
          Systematic reviews
      keyword:
        aged
        dementia
        obesity
        older people
        overweight
        systematic review
        aged
        dementia
        obesity
        older people
        overweight
        systematic review
      ab: Scope: it has been suggested that overweight/obesity as a risk factor for incident dementia differs between mid-life and later life. We performed a systematic review and meta-analysis ofthe up-to-date current literature to assess this. Search Methods: inclusion criteria included epidemiological longitudinal studies published up to September 2014, in participants without cognitive impairment based on evidence of cognitive assessment and aged 30 or over at baseline assessment with at least 2 years of follow-up. Pubmed, Medline, EMBASE, PsychInfo and the Cochrane Library were searched using combinations of the search terms: Dementia, Alzheimer disease, Vascular Dementia, Multi-Infarct Dementia, Cognitive decline, Cognitive impairment, Mild Cognitive Impairment/Obesity, Overweight, Adiposity, Waist circumference (limits: humans, English language). Handsearching of all papers meeting the inclusion criteria was performed. A random-effects model was used for the meta-analysis. Results: ofthe 1,612 abstracts identified and reviewed, 21 completely met the inclusion criteria. Being obese below the age of 65 years had a positive association on incident dementia with a risk ratio (RR) 1.41 (95% confidence interval, CI: 1.20-1.66), but the opposite was seen in those aged 65 and over, RR 0.83 (95% CI: 0.74-0.94). Conclusions: this systematic review and meta-analysis suggests a positive association between obesity in mid-life and later dementia but the opposite in late life. Whether weight reduction in mid-life reduces risk is worthy of further study.
      pubtype: Academic Journal
      doctype: Article
      src: R
    language: English
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