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Sökning: WFRF:(Simoni Michela)

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1.
  • Firbank, Michael J, et al. (författare)
  • White matter hyperintensities and depression--preliminary results from the LADIS study.
  • 2005
  • Ingår i: International journal of geriatric psychiatry. - 0885-6230. ; 20:7, s. 674-9
  • Tidskriftsartikel (refereegranskat)abstract
    • BACKGROUND: White matter hyperintensities have been associated with the development of depression in older subjects, though the details of this relationship are not fully understood. METHODS: In a pan-European multicentre study of 629 older subjects, we examined the relationship between MRI white matter hyperintensities (WMH), depressive symptoms and self perceived health quality of life (QOL). WMH were rated using a three-point scale. RESULTS: We found depressive symptoms as assessed by the geriatric depression 15-item scale to be associated with WMH rating (Spearman's rho 0.11, p = 0.008) and also with the Euro-QOL health score (Spearman's rho -0.5, p < 0.001). In a ordinal logistic regression model, QOL was found to strongly predict GDS score (p < 0.001) and severe vs mild WMH were associated with increased depression (p = 0.028). The relationship between history of severe depression and WMH score was examined, but there were no differences either between those with and without a history of severe depression, or those with an early vs late onset of depression. CONCLUSIONS: The results suggest that WMH play a role in increasing depressive symptoms, even when perceived quality of life is controlled for as a possible mediating factor.
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  • Gudmundsson, Pia, 1978, et al. (författare)
  • White Matter Lesions and Temporal Lobe Atrophy Related to incidence of both Dementia and Major Depression in 70-year-olds followed over 10 years
  • 2015
  • Ingår i: European Journal of Neurology. - 1351-5101 .- 1468-1331. ; 22:5
  • Tidskriftsartikel (refereegranskat)abstract
    • Abstract Background: A number of studies have suggested associations between dementia and depression in older adults. One reason could be that these disorders share structural correlates, such as white matter lesions (WMLs) and cortical atrophy. No study has examined whether these lesions precede both dementia and depression independently of each other in the general population. Methods: We investigated whether WMLs and cortical atrophy on computed tomography (CT) predict dementia and depression in a population-based sample of 70-year-olds (n=380) followed over 10 years. Exclusion criteria were dementia, major depression, history of stroke and a Mini-Mental State Examination score below 26 at baseline in 2000-01. Dementia was diagnosed according to DSM-III-R and depression according to DSM-5. Primary outcomes included dementia and major depression at 10-year follow-up. Results: Adjusted logistic regression models, including both WMLs and temporal lobe atrophy, showed that moderate-to-severe WMLs (OR 3.96, 95% CI 1.23-12.76) and temporal lobe atrophy (OR 2.93, 95% CI 1.13-7.60) predicted dementia during 10-year follow-up independently of major depression. Similarly, both moderate-to-severe WMLs (OR 3.84, 95% CI 1.25-11.76) and temporal lobe atrophy (OR 2.52, 95% CI 1.06-5.96) predicted depression even after controlling for incident dementia. Conclusion: WMLs and temporal lobe atrophy preceded 10-year incidence of both dementia and depression in 70-year-olds. Shared structural correlates could explain the reported associations between dementia and depression. These brain changes may represent independent and complementary pathways to dementia and depression. Strategies to slow progression of vascular pathology and neurodegeneration could indirectly prevent both dementia and depression in older adults.
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6.
  • Guo, Xinxin, 1972, et al. (författare)
  • Blood pressure components and changes in relation to white matter lesions: a 32-year prospective population study.
  • 2009
  • Ingår i: Hypertension. - 0194-911X. ; 54:1, s. 57-62
  • Tidskriftsartikel (refereegranskat)abstract
    • This study aimed to examine the long-term effect of high blood pressure (systolic blood pressure, diastolic blood pressure, pulse pressure, and mean arterial pressure) on white matter lesions and to study changes in different blood pressure components in relation to white matter lesions. A representative population of women was examined in 1968 and re-examined in 1974, 1980, 1992, and 2000. The presence and severity of white matter lesions on computed tomography were rated by a visual rating scale in 1992 and 2000 in 539 women. Systolic and diastolic blood pressures were measured at all of the examinations. We found that presence and severity of white matter lesions in 1992/2000 were associated with higher diastolic blood pressure and mean arterial pressure at each examination but not with systolic blood pressure and pulse pressure. Odds ratios (95% CIs) for the presence of white matter lesions per 10-mm Hg increase in diastolic pressure were 1.4 (1.0 to 1.9) in 1968, 1.3 (1.0 to 1.8) in 1974, 1.4 (1.1 to 1.9) in 1980, and 1.3 (1.0 to 1.6) in 1992 after adjustment for confounders. The presence of white matter lesions was also associated with a 24-year increase in diastolic pressure (>10 mm Hg), systolic pressure (>40 mm Hg), pulse pressure (>24 mm Hg), and mean arterial pressure (>6 mm Hg; odds ratios [95% CIs]: 2.6 [1.3 to 5.1] for diastolic pressure; 2.0 [1.2 to 3.4] for systolic pressure; 1.8 [1.1 to 2.7] for pulse pressure; and 2.2 [1.4 to 3.4] for mean arterial pressure). Our findings suggest that lowering high diastolic blood pressure and preventing large increases in systolic and diastolic blood pressures may have a protective effect on white matter lesions.
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7.
  • Guo, Xinxin, 1972, et al. (författare)
  • Midlife respiratory function related to white matter lesions and lacunar infarcts in late life: the Prospective Population Study of Women in Gothenburg, Sweden.
  • 2006
  • Ingår i: Stroke; a journal of cerebral circulation. - 1524-4628. ; 37:7, s. 1658-62
  • Tidskriftsartikel (refereegranskat)abstract
    • BACKGROUND AND PURPOSE: Increased evidence suggests that poor respiratory function increases risk of ischemic damage to the brain. Longitudinal studies on respiratory function and cerebral small-vessel disease are lacking. We examined midlife and late-life respiratory function in relation to small-vessel disease on computed tomography (CT) in women followed for 26 years. METHODS: White matter lesions (WMLs) and lacunar infarcts were rated on brain CT scans in 2000 in 379 women 70 to 92 years of age from a longitudinal population study in Göteborg, Sweden. Respiratory function was measured by peak expiratory flow (PEF) in 1974 and 2000 and by forced vital capacity (FVC) and forced expiratory volume in 1 second (FEV1) in 1980 and 2000. RESULTS: Lower FVC and FEV1 in 1980 and 2000 were associated with presence and severity of WMLs and lacunar infarcts in 2000. Per 1-SD decrease of FVC in 1980, odds ratios (95% CIs) were 1.49 (1.11 to 2.02) for presence of WMLs and 1.95 (1.34 to 2.84) for lacunar infarcts after adjustment for potential confounders. Per 1-SD decrease of FEV1 in 1980, adjusted odds ratios were 1.46 (1.06 to 2.00) for presence of WMLs and 1.42 (1.02 to 1.97) for lacunar infarcts. PEF in 1974 and 2000 was not associated with WMLs or lacunar infarcts. CONCLUSIONS: WMLs and lacunar infarcts in elderly women were related to lower midlife respiratory function. Although our data may not establish causation between lower respiratory function and small-vessel disease, they imply the importance of good respiratory function in midlife.
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8.
  • Johansson, Lena, 1972, et al. (författare)
  • Midlife Psychological Distress Associated With Late-Life Brain Atrophy and White Matter Lesions: A 32-Year Population Study of Women.
  • 2012
  • Ingår i: Psychosomatic medicine. - 0033-3174. ; 74:2, s. 120-125
  • Tidskriftsartikel (refereegranskat)abstract
    • Long-standing psychological distress increases the risk of dementia, especially Alzheimer's disease. The present study examines the relationship between midlife psychological distress and late-life brain atrophy and white matter lesions (WMLs), which are common findings on neuroimaging in elderly subjects. A population-based sample of 1462 women, aged 38 to 60 years, was examined in 1968, with subsequent examinations in 1974, 1980, 1992, and 2000. Computed tomography (CT) of the brain was done in 379 survivors in 2000, and of those, 344 had responded to a standardized question about psychological distress in 1968, 1974, and 1980. WMLs, cortical atrophy, and central atrophy (ventricular sizes) were measured at CT scans. Compared with women reporting no distress, those reporting frequent or constant distress at one examination or more (in 1968, 1974, and 1980) more often had moderate-to-severe WMLs (multiadjusted odds ratio = 2.39, 95% confidence interval = 1.16-4.92) and moderate-to-severe temporal lobe atrophy (multiadjusted odds ratio = 2.51, 95% confidence interval = 1.04-6.05) on brain CT in 2000. Frequent/constant distress was also associated with central brain atrophy, that is, higher bicaudate ratio, higher cella media ratio, and larger third-ventricle width. Long-standing psychological distress in midlife increases risks of cerebral atrophy and WMLs on CT in late life. More studies are needed to confirm these findings and to determine potential neurobiological mechanisms of these associations.
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9.
  • Olesen, Pernille J, et al. (författare)
  • Temporal lobe atrophy and white matter lesions are related to major depression over 5 years in the elderly.
  • 2010
  • Ingår i: Neuropsychopharmacology : official publication of the American College of Neuropsychopharmacology. - 1740-634X. ; 35:13, s. 2638-45
  • Tidskriftsartikel (refereegranskat)abstract
    • The influence of organic brain changes on the development of depression in the elderly is uncertain. Cross-sectional studies, most often from clinical samples, report associations with brain atrophy and cerebrovascular disease, while longitudinal population studies have given mixed results. Our aim was to investigate whether cortical atrophy and white matter lesions (WMLs) on computed tomography (CT) predict occurrence of depression in the elderly. This is a prospective population-based study with 5-year follow-up. The baseline sample included 525 elderly subjects, aged 70-86 years, without dementia or major depression, with a score on the Mini-Mental State Examination above 25, and without dementia at follow-up. Cortical atrophy and WMLs were evaluated at baseline using CT. The main outcome measure was development of major or minor depression at follow-up according to Diagnostic and Statistical Manual of Mental Disorders, fourth edition, as evaluated using neuropsychiatric examinations and hospital discharge registers. Logistic regression was used to estimate risk. Over the period of 5 years, 20 individuals developed major and 63 minor depression. Presence of temporal lobe atrophy (odds ratio (OR)=2.81, 95% confidence interval (CI) 1.04-7.62) and moderate-to-severe WMLs (OR=3.21, 95% CI 1.00-10.26) independently predicted major, but not minor, depression after controlling for various confounders. Other brain changes did not predict occurrence of depression. Our findings suggest that temporal lobe atrophy and WMLs represent relatively independent and complementary pathways to major depression in the elderly. This may have implications for prevention, as both neurodegeneration and cerebrovascular disease have been related to preventable factors.
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