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- Gustafson, Deborah, 1966, et al.
(author)
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A 24-year follow-up of body mass index and cerebral atrophy
- 2004
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In: Neurology. ; 63, s. 1876-1881
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Journal article (peer-reviewed)abstract
- Department of Family and Community Medicine, Medical College of Wisconsin, Milwaukee, WI, USA. deb.gustafson@neuro.gu.se OBJECTIVE: To investigate the longitudinal relationship between body mass index (BMI), a major vascular risk factor, and cerebral atrophy, a marker of neurodegeneration, in a population-based sample of middle-aged women. METHODS: A representative sample of 290 women born in 1908, 1914, 1918, and 1922 was examined in 1968 to 1969, 1974 to 1975, 1980 to 1981, and 1992 to 1993 as part of the Population Study of Women in Göteborg, Sweden. At each examination, women completed a survey on a variety of health and lifestyle factors and underwent anthropometric, clinical, and neuropsychiatric assessments and blood collection. Atrophy of the temporal, frontal, occipital, and parietal lobes was measured on CT in 1992 when participants were age 70 to 84. Univariate and multivariate regression analyses were used to assess the relationship between BMI and brain measures. RESULTS: Women with atrophy of the temporal lobe were, on average, 1.1 to 1.5 kg/m2 higher in BMI at all examinations than women without temporal atrophy (p < 0.05). Multivariate analyses showed that age and BMI were the only significant predictors of temporal atrophy. Risk of temporal atrophy increased 13 to 16% per 1.0-kg/m2 increase in BMI (p < 0.05). There were no associations between BMI and atrophy measured at three other brain locations. CONCLUSION: Overweight and obesity throughout adult life may contribute to the development of temporal atrophy in women. PMID: 15557505 [PubMed - indexed for MEDLINE]
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- Gustafson, Deborah, 1966, et al.
(author)
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Body mass index and white matter lesions in elderly women. An 18-year longitudinal study.
- 2004
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In: International psychogeriatrics / IPA. - : Cambridge University Press (CUP). - 1041-6102 .- 1741-203X. ; 16:3, s. 327-36
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Journal article (peer-reviewed)abstract
- BACKGROUND: We investigated the longitudinal relationship between body mass index (BMI), a major vascular risk factor, and white matter lesions (WMLs) in older women. METHODS: Twenty-seven Swedish women were followed from age 70 to 88. Measurements of BMI, and systolic and diastolic blood pressures were conducted at 70, 75, 79, 85, and 88 years. WMLs were measured using computerized tomography at age 85 and 88 (85/88). RESULTS: Women with any WMLs at age 85/88 had higher BMI at age 70 (p = 0.003) and 75 (p = 0.006), compared to women without WMLs. Increasing severity of WMLs was related to BMI at age 70 (p < 0.001), 75 (p < 0.001), 79 (p = 0.017), and 85 (p = 0.025). After consideration of other vascular factors, BMI at age 70, 75, and 79 was most significantly related to WML at 85/88. Every 1.0 kg/m2 increase in BMI at age 70 increased risk of WMLs twofold. CONCLUSIONS: Overweight and obesity may be important contributors to the presence of WMLs in the elderly.
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- Lindén, Thomas, 1962, et al.
(author)
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Cognitive impairment and dementia 20 months after stroke.
- 2004
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In: Neuroepidemiology. - : S. Karger AG. - 0251-5350 .- 1423-0208. ; 23:1-2, s. 45-52
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Journal article (peer-reviewed)abstract
- BACKGROUND AND PURPOSE: Dementia is common after stroke, but the dementia syndrome does not cover the whole spectrum of cognitive impairment. Our aim was to quantify and compare dementia and cognitive impairments in elderly patients 1.5 years after stroke and a matched normal population. SUBJECTS AND METHODS: We examined dementia and cognitive impairments in 149 out of an initial total of 243 acute stroke patients after a mean 20 months. Inclusion criteria were age > or =70 years, not living in an institution and no previous cerebral lesion. The patients' mean age was 81 years. Five controls matched by age and gender and fulfilling the same exclusion criteria were selected for each patient (n = 745) from a population-based survey in the same area. Dementia was diagnosed according to the DSM-III-R criteria, and impairments in different dimensions of cognitive function were assessed. RESULTS: The prevalence of dementia was 28% in the stroke patients and 7.4% in the controls (OR 4.7; 95% CI 3.0-7.5). Seventy-two percent of the patients had cognitive impairments compared to 36% in the controls. Cognitive impairments were more common in nondemented stroke patients than in nondemented controls: 61 vs. 31% (OR 3.5; 95% CI 2.3-5.3). The risk increase attributable to stroke was highest for patients below 80 years of age. CONCLUSIONS: Stroke confers an increased risk of dementia and cognitive impairments in the elderly, especially in the younger ones. Apraxia is the most frequent neuropsychiatric impairment after stroke. The concept of dementia does not describe cognitive impairments well, since it underestimates their extent not only after stroke but also in normal ageing.
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