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- Gameiro, Joana, et al.
(författare)
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Prognosis of cerebral vein thrombosis presenting as isolated headache: Early vs. late diagnosis
- 2012
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Ingår i: Cephalalgia. - : SAGE Publications. - 0333-1024 .- 1468-2982. ; 32:5, s. 407-412
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Tidskriftsartikel (refereegranskat)abstract
- Objective: To analyse the outcome of cerebral venous thrombosis (CVT) patients presenting with isolated headache, specifically to compare isolated headache patients with early vs. late CVT diagnosis. Method: In the International Study on Cerebral Vein and Dural Sinus Thrombosis (ISCVT) database we compared the outcome of patients with isolated headache and a CVT diagnosed early (<= 7 days from onset) vs. late (> 7 days). We retrieved 100 patients with isolated headache, 52 patients with early CVT diagnosis (early isolated headache) and 48 with late CVT diagnosis (late isolated headache). Results: Neurological worsening was more frequent within early isolated headache patients (23% vs. 8%) (p = 0.045). At the last follow-up (median 411 days), 93% patients had a complete recovery, and 4% were dead or dependent, with no significant difference between early isolated headache and late isolated headache. Conclusion: The outcome of CVT patients with isolated headache diagnosed early or late was similarly favourable, but there was a higher proportion of neurological worsening in the acute phase among early isolated headache patients, who need close neurological monitoring.
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- Madureira, Sofia, et al.
(författare)
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Neuropsychological Predictors of Dementia in a Three-Year Follow-Up Period: Data from the LADIS Study
- 2010
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Ingår i: DEMENTIA AND GERIATRIC COGNITIVE DISORDERS. - 1420-8008. ; 29:4, s. 325-334
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Tidskriftsartikel (refereegranskat)abstract
- BACKGROUND: White matter changes (WMC) are related to cognitive deficits and dementia. Our aim was to determine the extent to which the performance in neuropsychological tests would be able to predict the clinical diagnosis of dementia. METHODS: The LADIS (Leukoaraiosis and Disability) is a prospective study that evaluates the impact of WMC on the transition of independent elderly to disability. The subjects were evaluated at baseline and yearly during 3 years with a comprehensive clinical, functional and neuropsychological protocol. At each visit, dementia was classified according to clinical criteria. The performance in the neuropsychological batteries was compared according to the clinical diagnosis of dementia. RESULTS: From the initially enrolled 639 subjects, 480 were evaluated at year 3. Dementia was diagnosed in 90 participants. The demented subjects had worse performance in almost all the baseline cognitive tests. Using receiver operating characteristic curves, we found that the Vascular Dementia Assessment Scale (VADAS) battery had higher sensitivity and specificity rates (area under the curve = 82%) to identify dementia compared with the Mini-Mental State Examination (MMSE) and Alzheimer's Disease Assessment Scale. Worse performance on baseline MMSE (beta = 0.33; p < 0.001) and VADAS (beta = -0.07; p = 0.02) were predictors of dementia (regression analyses). CONCLUSION: Performance on the MMSE and the VADAS battery were important predictors of dementia at a 3-year period.
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- Verdelho, Ana, et al.
(författare)
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Self-Perceived Memory Complaints Predict Progression to Alzheimer Disease. The LADIS Study.
- 2011
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Ingår i: Journal of Alzheimer's disease : JAD. - 1387-2877 .- 1875-8908. ; 27:3, s. 491-498
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Tidskriftsartikel (refereegranskat)abstract
- Memory complaints are frequent in the elderly but its implications in cognition over time remain a controversial issue. Our objective was to evaluate the risk of self perceived memory complaints in the evolution for future dementia. The LADIS (Leukoaraiosis and Disability) prospective multinational European study evaluates the impact of white matter changes (WMC) on the transition of independent elderly subjects into disability. Independent elderly were enrolled due to the presence of WMC. Subjects were evaluated yearly during 3 years with a comprehensive clinical protocol and a neuropsychological battery. Dementia and subtypes of dementia were classified. Self perceived memory complaints in independent elderly were collected during the interview. MRI was performed at entry and at the end of the study. 639 subjects were included (74.1 ± 5 years old, 55% women, 9.6 ± 3.8 years of schooling). At end of follow-up, 90 patients were demented (vascular dementia, 54; Alzheimer's disease (AD) and AD with vascular component, 34; frontotemporal dementia, 2). Using Cox regression analysis, we found that self perceived memory complaints were a strong predictor of AD and AD with vascular component during the follow-up (β = 2.7, p = 0.008; HR = 15.5, CI 95% [2.04, 117.6]), independently of other confounders, namely depressive symptoms, WMC severity, medial temporal lobe atrophy, and global cognition status at baseline. Self perceived memory complaints did not predict vascular dementia. In the LADIS study, self perceived memory complaints predicted AD but not vascular dementia in elderly subjects with WMC living independently.
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