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Association of anthropometry and weight change with risk of dementia and its major subtypes: A meta-analysis consisting 2.8 million adults with 57 294 cases of dementia

Publikation: Bidrag til tidsskriftReviewForskningpeer review


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  • Crystal ManYing Lee
  • Mark Woodward
  • G David Batty
  • Alexa S Beiser
  • Steven Bell
  • Claudine Berr
  • Espen Bjertness
  • John Chalmers
  • Robert Clarke
  • Jean-Francois Dartigues
  • Kendra Davis-Plourde
  • Stéphanie Debette
  • Emanuele Di Angelantonio
  • Catherine Feart
  • Ruth Frikke-Schmidt
  • John Gregson
  • Mary N Haan
  • Linda B Hassing
  • Kathleen M Hayden
  • Marieke P Hoevenaar-Blom
  • Jaakko Kaprio
  • Mika Kivimaki
  • Georgios Lappas
  • Eric B Larson
  • Erin S LeBlanc
  • Anne Lee
  • Li-Yung Lui
  • Eric P Moll van Charante
  • Toshiharu Ninomiya
  • Liv Tybjaerg Nordestgaard
  • Tomoyuki Ohara
  • Toshiaki Ohkuma
  • Teemu Palviainen
  • Karine Peres
  • Ruth Peters
  • Nawab Qizilbash
  • Edo Richard
  • Annika Rosengren
  • Sudha Seshadri
  • Martin Shipley
  • Archana Singh-Manoux
  • Bjorn Heine Strand
  • Willem A van Gool
  • Eero Vuoksimaa
  • Kristine Yaffe
  • Rachel R Huxley
Vis graf over relationer

Uncertainty exists regarding the relation of body size and weight change with dementia risk. As populations continue to age and the global obesity epidemic shows no sign of waning, reliable quantification of such associations is important. We examined the relationship of body mass index, waist circumference, and annual percent weight change with risk of dementia and its subtypes by pooling data from 19 prospective cohort studies and four clinical trials using meta-analysis. Compared with body mass index-defined lower-normal weight (18.5-22.4 kg/m2 ), the risk of all-cause dementia was higher among underweight individuals but lower among those with upper-normal (22.5-24.9 kg/m2 ) levels. Obesity was associated with higher risk in vascular dementia. Similarly, relative to the lowest fifth of waist circumference, those in the highest fifth had nonsignificant higher vascular dementia risk. Weight loss was associated with higher all-cause dementia risk relative to weight maintenance. Weight gain was weakly associated with higher vascular dementia risk. The relationship between body size, weight change, and dementia is complex and exhibits non-linear associations depending on dementia subtype under scrutiny. Weight loss was associated with an elevated risk most likely due to reverse causality and/or pathophysiological changes in the brain, although the latter remains speculative.

TidsskriftObesity reviews : an official journal of the International Association for the Study of Obesity
Udgave nummer4
StatusUdgivet - apr. 2020

Bibliografisk note

© 2020 The Authors. Obesity Reviews published by John Wiley & Sons Ltd on behalf of World Obesity Federation.

ID: 59873898