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Titre : | Prestroke Weight Loss Is Associated With Poststroke Mortality Among Men in the Honolulu-Asia Aging Study (2014) |
Auteurs : | Christina L. Bell ; Taina Rantanen ; Randi Chen |
Type de document : | Article |
Dans : | Archives of Physical Medicine and Rehabilitation (2014/3, 2014) |
Article en page(s) : | p. 472-479 |
Langues: | Anglais |
Descripteurs : |
HE Vinci Accident vasculaire cérébral (AVC) ; Indice de masse corporelle ; Mortalité ; Perte de poids ; Rééducation et réadaptation ; Sujet âgé |
Mots-clés: | Aged ; Body mass index ; Men ; Hommes ; Mortality ; Stroke ; Weight loss |
Résumé : |
Objective To examine baseline prestroke weight loss and poststroke mortality among men. Design Longitudinal study of late-life prestroke body mass index (BMI), weight loss, and BMI change (midlife to late life) with up to 8-year incident stroke and mortality follow-up. Setting Community-based aging study data. Participants Japanese-American men (N=3581; age range, 7193y) who were stroke free at baseline. Interventions Not applicable. Main Outcome Measure Poststroke mortality: 30 days poststroke, analyzed with stepwise multivariable logistic regression; and long-term poststroke (up to 8y), analyzed with stepwise multivariable Cox regression. Results Weight loss (4.5kg decrements) was associated with increased 30-day poststroke mortality (adjusted odds ratio=1.48; 95% confidence interval [CI], 1.141.92), long-term mortality after incident stroke (all types, n=225; adjusted hazards ratio (aHR)=1.25; 95% CI, 1.091.44), and long-term mortality after incident thromboembolic stroke (n=153; aHR=1.19; 95% CI, 1.01 to 1.40). Men with overweight/obese late-life BMI (≥25kg/m2, compared with healthy/underweight BMI) had increased long-term mortality after incident hemorrhagic stroke (n=54; aHR=2.27; 95% CI, 1.074.82). Neither desirable nor excessive BMI reductions (vs no change/increased BMI) were associated with poststroke mortality. In the overall sample (N=3581), nutrition factors associated with increased long-term mortality included the following: (1) weight loss (10lb decrements; aHR=1.15; 95% CI, 1.091.21), (2) underweight BMI (vs healthy BMI; aHR=1.76; 95% CI, 1.402.20), and (3) both desirable and excessive BMI reductions (vs no change or gain, separate model from weight loss and BMI; aHR range, 1.361.97; P<.001> Conclusions Although obesity is a risk factor for stroke incidence, prestroke weight loss was associated with increased poststroke (all types and thromboembolic) mortality. Overweight/obese late-life BMI was associated with increased posthemorrhagic stroke mortality. Desirable and excessive BMI reductions were not associated with poststroke mortality. Weight loss, underweight late-life BMI, and any BMI reduction were all associated with increased long-term mortality in the overall sample. |
Disponible en ligne : | Oui |
En ligne : | https://login.ezproxy.vinci.be/login?url=https://www.sciencedirect.com/science/article/pii/S0003999313010101 |