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Sökning: hsv:(MEDICIN OCH HÄLSOVETENSKAP) hsv:(Klinisk medicin) hsv:(Geriatrik) > Linnéuniversitetet

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1.
  • Warkentin, Siegbert, et al. (författare)
  • rCBF pathology in Alzheimer's disease is associated with slow processing speed
  • 2008
  • Ingår i: Neuropsychologia. - : Elsevier BV. - 1873-3514 .- 0028-3932. ; 46:5, s. 1193-1200
  • Tidskriftsartikel (refereegranskat)abstract
    • Decreased information processing speed (mental slowing) is a known sequelae of many brain disorders, and can be assessed by continuous naming tasks. Functional imaging studies have shown that pause and articulation times in continuous speech are normally associated with different brain regions, but knowledge about such association in dementia is lacking. We therefore tested the hypothesis that perfusion deficits in Alzheimer's disease (AD) are not only associated with slower processing, but also with these speech measures. Using regional cerebral blood flow (rCBF) measurements during the performance of a continuous colour and form-naming task, we found that naming speed was substantially slower in AD patients than in controls. This slower naming was exclusively determined by an increase in mean pause time, and only to a limited extent by articulation time. The increased pause time was uniquely associated with temporo-parietal rCBF reductions of the patients, while articulation was not. By contrast, the rCBF of healthy elderly control subjects was consistently accompanied by substantially shorter articulation and pause times, although the naming measures were not statistically associated with rCBF. These findings suggest that pause time (in contrast to articulation time) may serve as a sensitive measure in the assessment of information processing speed deficits in dementia, by virtue of its close association with brain pathology. (C) 2007 Elsevier Ltd. All rights reserved.
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2.
  • Gustafson, Lars, et al. (författare)
  • A factor analytic approach to symptom patterns in dementia.
  • 2010
  • Ingår i: International Journal of Alzheimer's Disease. - : Hindawi Limited. - 2090-0252 .- 2090-8024.
  • Tidskriftsartikel (refereegranskat)abstract
    • Previous publications have shown a high diagnostic sensitivity and specificity of three short clinical rating scales for Alzheimer's disease (AD), frontotemporal dementia (FTD), and vascular dementia (VaD) validated against neuropathological (NP) diagnoses. In this study, the aim was to perform an exploratory factor analysis of the items in these clinical rating scales. The study included 190 patients with postmortem diagnoses of AD (n = 74), VaD (n = 33), mixed AD/VaD (n = 31), or FTD (n = 52). The factor analysis produced three strong factors. Factor 1 contained items describing cerebrovascular disease, similar to the Hachinski Ischemic Score. Factor 2 enclosed major clinical characteristics of FTD, and factor 3 showed a striking similarity to the AD scale. A fourth symptom cluster was described by perception and expression of emotions. The factor analyses strongly support the construct validity of the diagnostic rating scales.
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3.
  • Buchhave, Peder, et al. (författare)
  • Cube copying test in combination with rCBF or CSF A beta(42) predicts development of Alzheimer's disease
  • 2008
  • Ingår i: Dementia and Geriatric Cognitive Disorders. - : S. Karger AG. - 1420-8008 .- 1421-9824. ; 25:6, s. 544-552
  • Tidskriftsartikel (refereegranskat)abstract
    • <i>Background/Aim: </i>The aim was to identify subjects with incipient Alzheimer’s disease (AD) among patients with mild cognitive impairment (MCI) using brief cognitive tests. <i>Methods: </i>A total of 147 MCI patients were followed for 4–6 years and the incidence of AD was 11.6%/year. At baseline, the cube copying test, clock drawing test, MMSE and measurements of regional cerebral blood flow (rCBF) and cerebrospinal fluid (CSF) β-amyloid<sub>1–42</sub> (Aβ<sub>42</sub>) were performed. <i>Results: </i>The cube copying test, but not the clock drawing test, could predict AD among MCI patients with an area under the receiver operating characteristic curve of 0.64 (p < 0.01). The relative risk for future AD was increased in MCI subjects with impaired cube copying test (sex- and age-adjusted hazard ratio = 1.8, p < 0.05) and the incidence of AD was 18.2% in this subgroup. Combining the cube copying test with either rCBF or CSF Aβ<sub>42</sub> had additive effects on the risk assessment for future development of AD. MCI patients achieving high scores on both MMSE and cube copying test had a very low risk of developing AD (incidence of AD = 1.6%). <i>Conclusion: </i>In conclusion, combinations of the cube copying test with MMSE, rCBF and CSF Aβ<sub>42</sub> measurements can identify subgroups of MCI subjects with either substantially reduced or increased risk for future development of AD.
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4.
  • Liljeroos, Maria, 1965-, et al. (författare)
  • Long-term effects of a dyadic psycho-educational intervention on caregiver burden and morbidity in partners of patients with heart failure : a randomized controlled trial
  • 2017
  • Ingår i: Quality of Life Research. - Dordrecht : Springer Netherlands. - 0962-9343 .- 1573-2649. ; 26:2, s. 367-379
  • Tidskriftsartikel (refereegranskat)abstract
    • BackgroundPartners of patients with heart failure provide both practical and emotional support. Many partners assume caregiving responsibilities without being aware of the burden related with this role.ObjectiveOur work has established that a psycho-educational intervention has benefits at 3, but not at 12 months for patients with heart failure. Further we had not described the long-term effects in caregivers. This study aimed to determine the 24-months effects of a dyadic psycho-educational intervention on caregiver burden and morbidity in partners of patients with heart failure and study factors associated with a change in caregiver burden.DesignA randomized controlled study design, with a follow-up assessment after 24 months.Setting and participantsPartners to patients with heart failure were recruited from two hospitals in the southeast of Sweden.InterventionA three session nurse-led psycho-educational program was tested and included psychosocial support to maintain the partners’ physical and mental functions, and perceived control. Several instrument were used to measure caregiver burden, perceived control, physical and mental health, depression and morbidity.ResultsOne hundred fifty-five partners were included. There were no significant differences in any index of caregiver burden or morbidity among the partners in the intervention and control groups after 24 months. Overall, the mean total caregiver burden was found to be significantly increased compared to baseline (36 ± 12 vs 38 ± 14, p < 0.05). A younger partner, less comorbidity, higher levels of perceived control, better physical health and less symptoms of depression in patients, and better mental health in the partners were factors associated with absence of increased caregiver burden over time.Discussion and conclusionOur intervention did not significantly decrease caregiver burden or morbidity. Over time, several aspects of burden increased in both groups. To improve outcomes, individualized and targeted interventions might be beneficial.
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5.
  • Karlsson, Staffan, 1959-, et al. (författare)
  • Trends in treatment with antipsychotic medication in relation to national directives, in people with dementia : a review of the Swedish context
  • 2017
  • Ingår i: BMC Psychiatry. - London : BioMed Central. - 1471-244X. ; 17, s. 1-9
  • Forskningsöversikt (refereegranskat)abstract
    • Background: The aim of this study was to explore trends in treatment with antipsychotic medication in Swedish dementia care in nursing homes as reported in the most recent empirical studies on the topic, and to relate these trends to directives from the national authorities. Methods: The study included two scoping review studies based on searches of electronic databases as well as the Swedish directives in the field. Results: During the past decade, directives have been developed for antipsychotic medication in Sweden. These directives were generic at first, but have become increasingly specific and restrictive with time. The scoping review showed that treatment with antipsychotic drugs varied between 6% and 38%, and was higher in younger older persons and in those with moderate cognitive impairment and living in nursing homes for people with dementia. A decreasing trend in antipsychotic use has been seen over the last 15 years. Conclusions: Directives from the authorities in Sweden may have had an impact on treatment with antipsychotic medication for people with dementia. Treatment with antipsychotic medication has decreased, while treatment with combinations of psychotropic medications is common. National directives may possibly be even more effective, if applied in combination with systematic follow-ups.
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6.
  • Petrazzuoli, Ferdinando, et al. (författare)
  • Brief Cognitive Tests Used in Primary Care Cannot Accurately Differentiate Mild Cognitive Impairment from Subjective Cognitive Decline
  • 2020
  • Ingår i: Journal of Alzheimer's Disease. - : IOS Press. - 1387-2877 .- 1875-8908. ; 75:4, s. 1191-1201
  • Tidskriftsartikel (refereegranskat)abstract
    • Background: Differentiating mild cognitive impairment (MCI) from subjective cognitive decline (SCD) is important because of the higher progression rate to dementia for MCI and when considering future disease-modifying drugs that will have treatment indications at the MCI stage. Objective: We examined if the two most widely-used cognitive tests, the Mini-Mental State Examination (MMSE) and clock-drawing test (CDT), and a test of attention/executive function (AQT) accurately can differentiate MCI from SCD. Methods: We included 466 consecutively recruited non-demented patients with cognitive complaints from the BioFINDER study who had been referred to memory clinics, predominantly from primary care. They were classified as MCI (n = 258) or SCD (n = 208) after thorough neuropsychological assessments. The accuracy of MMSE, CDT, and AQT for identifying MCI was examined both in training and validation samples and in the whole population. Results: As a single test, MMSE had the highest accuracy (sensitivity 73%, specificity 60%). The best combination of two tests was MMSE < 27 points or AQT > 91 seconds (sensitivity 56%, specificity 78%), but in logistic regression models, their AUC (0.76) was not significantly better than MMSE alone (AUC 0.75). CDT and AQT performed significantly worse (AUC 0.71; p < 0.001-0.05); otherwise no differences were seen between any combination of two or three tests. Conclusion: Neither single nor combinations of tests could differentiate MCI from SCD with adequately high accuracy. There is a great need to further develop, validate, and implement accurate screening-tests for primary care to improve accurate identification of MCI among individuals that seek medical care due to cognitive symptoms.
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7.
  • Akner, Gunnar, 1953-, et al. (författare)
  • Personalized Geriatric Medicine
  • 2014
  • Ingår i: European Geriatric Medicine. - : Elsevier BV. - 1878-7649 .- 1878-7657. ; 5, s. 145-146
  • Tidskriftsartikel (refereegranskat)
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10.
  • Akner, Gunnar, 1953-, et al. (författare)
  • Vanligt att kommunalt bistånd till äldre rör nutrition
  • 2013
  • Ingår i: Läkartidningen. - 0023-7205 .- 1652-7518. ; 110:45
  • Tidskriftsartikel (övrigt vetenskapligt/konstnärligt)abstract
    • För ungefär hälften av de personer över 65 år som hade kommunalt bistånd för vård och omsorginsatser var biståndsbesluten relaterade till mat, måltider eller nutrition. Det visar en punktprevalensstudie i Örebro kommun.
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