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Sökning: AMNE:(MEDICIN OCH HÄLSOVETENSKAP Klinisk medicin Psykiatri) > Gustafson Lars

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1.
  • 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.
  • Brun, Arne, et al. (författare)
  • The Birth and Early Evolution of the Frontotemporal Dementia (FTD) Concept.
  • 2011
  • Ingår i: Journal of Molecular Neuroscience : MN. - : Springer Science and Business Media LLC. - 1559-1166 .- 0895-8696. ; 45, s. 324-329
  • Tidskriftsartikel (refereegranskat)abstract
    • An historical overview of the development of the concept of frontotemporal dementia is presented, regarding the last 30 years, using as a backbone the conferences held on this theme, with a start in 1986 in Lund, Sweden. Since then, a dramatic increase in research activities and publications has rapidly expanded our knowledge in this field, a step necessary for the ultimate goal to find an effective treatment of this devastating disorder.
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4.
  • Gräsbeck, Anne, et al. (författare)
  • Dementia in First-Degree Relatives of Patients with Frontotemporal Dementia. A Family History Study.
  • 2005
  • Ingår i: Dementia and Geriatric Cognitive Disorders. - : S. Karger AG. - 1420-8008 .- 1421-9824. ; 19:2-3, s. 145-153
  • Tidskriftsartikel (refereegranskat)abstract
    • Several studies have found a clustering of dementia in relatives of patients with frontotemporal dementia (FTD). This study analysed the familial aggregation of FTD specifically as well as the occurrence of dementia in general in first-degree relatives of patients with FTD. A family history study was carried out on 478 first-degree relatives of 74 index patients suffering from FTD. Cases of organic dementia and of FTD were diagnosed according to internationally accepted diagnostic criteria. Age- and sex-specific incidences of organic dementia and of FTD were calculated as was the proportion of FTD in relation to organic dementia in general; comparisons with clinical and population studies were made. There was a tenfold increase in the incidence of FTD in the first-degree relatives of FTD patients compared with the incidence of FTD in a population study. The proportion of FTD in relation to all types of organic dementia was much higher in relatives of FTD patients compared to the corresponding proportions in clinical and population-based studies. There was a small, non-significant difference between the present family history study and the population studies as regards the incidence of organic dementia. The findings suggest that hereditary and/or shared environmental factors are strongly involved in the aetiology of FTD. There were no indications of familial clustering of organic dementia in general in relatives of FTD patients.
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5.
  • Fäldt, Roger, et al. (författare)
  • Prevalence of thyroid hormone abnormalities in elderly patients with symptoms of organic brain disease.
  • 1996
  • Ingår i: Aging (Milan, Italy). - 0394-9532. ; 8:5, s. 347-357
  • Tidskriftsartikel (refereegranskat)abstract
    • Analysis of the serum concentrations of free thyroid hormones (fT3, fT4) and thyrotropin (TSH) in 173 psychogeriatric patients (94 females and 79 males, mean age 79 +/- 8 years) disclosed that the hormone levels were related to sex, psychiatric diagnosis, medication and the presence of nonthyroid illness (NTI). Subnormal concentrations of thyroid hormones and/or TSH were found in 25% of the patients. In addition, fT3 and fT4 concentrations were significantly lower (p < 0.05 and p < 0.001, respectively) in demented males compared with demented females although the levels were within the reference limits. Strongly negative correlations between fT3 and age (p < 0.001), and between fT3 and the sedimentation rate (SR) (p < 0.01) were found in demented but not in non-demented patients. These correlations were most pronounced in (age) or restricted to (SR) demented males. In addition, the correlation between fT3 and Hb was strongly positive (p < 0.001) in demented as well as in nondemented patients, particularly in males. The concentration of fT4 was positively correlated to Hb in demented males (p < 0.001), whereas TSH concentration was positively correlated to Hb in demented females (p < 0.05). The results show that TSH is not sufficient as the sole screening assay for evaluation of possible thyroid dysfunction in psychogeriatric patients. In addition, central (hypothalamic?) hypothyroidism may be present in a substantial amount of psychogeriatric patients, as we found an adequate TSH response to exogenous thyrotropin-releasing hormone (TRH) also in patients with decreased fT3/fT4 and no signs of non thyroid diseases. Furthermore, there was an apparent lack of correlation between thyroid hormone levels and dementia (or subgroups of dementia), even though thyroid hormone abnormalities seemed to be rather common in frontotemporal dementia (38%) and non specified dementia (36%).
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6.
  • Minthon, Lennart, et al. (författare)
  • Somatostatin and neuropeptide Y in cerebrospinal fluid: correlations with severity of disease and clinical signs in Alzheimer's disease and frontotemporal dementia
  • 1997
  • Ingår i: Dementia and Geriatric Cognitive Disorders. - : S. Karger AG. - 1421-9824 .- 1420-8008. ; 8:4, s. 232-239
  • Tidskriftsartikel (refereegranskat)abstract
    • Alzheimer's disease (AD) and frontotemporal dementia (FTD) are the most common types of progressive neurodegenerative disorder in our catchment area. The distribution of cortical degeneration in FTD is mainly the reverse of that in AD, while there are both differences and similarities in the clinical characteristics. Somatostatin and neuropeptide Y (NPY) are neuropeptides with a widespread distribution in the human cerebral cortex. Somatostatin is involved in the regulation of hormone release from the anterior pituitary and may act as a neurotransmitter-modulator. NPY is a potent anxiolytic neuropeptide. Somatostatin and NPY coexist in the cerebral cortex, basal ganglia and in amygdaloid complexes. The present study of AD (n = 34) and FTD (n = 22) analyses the cerebrospinal-fluid (CSF) levels of somatostatin-like immunoreactivity and NPY-like immunoreactivity and correlates their levels to 54 different clinical items, such as restlessness, anxiety, irritability and depression. The CSF levels of the two neuropeptides somatostatin and NPY were significantly correlated in FTD (p < 0.02), but not in AD. Several significant correlations to the clinical signs were found: in AD disorientation and dyspraxia, and in FTD agitation, irritability and restlessness. Somatostatin showed a significant negative correlation with severity of dementia in AD (p < 0.013).
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7.
  • Minthon, Lennart, et al. (författare)
  • Tacrine treatment modifies cerebrospinal fluid neuropeptide levels in Alzheimer's disease
  • 1994
  • Ingår i: Dementia (Switzerland). - : S. Karger AG. - 1013-7424. ; 5:6, s. 295-301
  • Tidskriftsartikel (refereegranskat)abstract
    • Biochemical and histochemical studies have demonstrated a widespread deficit in the activity of acetylcholinesterase (AChE) in the brains of patients with Alzheimer's disease (DAT). Multiple disturbances in several transmitter systems have been found. The most consistent neurochemical changes in DAT are reductions in the cholinergic system. The major pharmacological approach today in DAT is based on the cholinergic theory assuming that acetylcholine has a major cortical impact on cognitive processes. Tetrahydroaminoacridine (THA, tacrine) is a centrally active reversible acetylcholinesterase inhibitor. A large number of trials have been performed in patients with DAT. This article was to evaluate whether THA treatment induced neuropeptide alteration in DAT before and after 1 year on oral THA treatment.
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8.
  • Passant, Ulla, et al. (författare)
  • Psychiatric Symptoms and Their Psychosocial Consequences in Frontotemporal Dementia.
  • 2005
  • Ingår i: Alzheimer Disease and Associated Disorders. - 0893-0341. ; 19 Suppl 1, s. 15-18
  • Tidskriftsartikel (refereegranskat)abstract
    • Based on a retrospective study of 19 neuropathologically verified cases with frontotemporal dementia (FTD), neuropsychiatric symptoms related to behavioral disturbances and their psychosocial consequences were studied. The results indicate that frontotemporal dementia is often misdiagnosed early in the clinical course. Behavioural features with impaired social interactions, impaired personal regulation, and loss of insight were seen in all patients. The psychosocial consequences reported in this paper challenge future research in frontotemporal dementia.
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9.
  • Holst, Göran, et al. (författare)
  • The relationship of vocally disruptive behavior and previous personality in severely demented institutionalized patients.
  • 1997
  • Ingår i: Archives of Psychiatric Nursing. - 1532-8228. ; 11:3, s. 147-154
  • Tidskriftsartikel (refereegranskat)abstract
    • The aim of this study was to explore the previous personalities of patients, their behavior during the course of the disease, and the relationship between the previous personality and vocally disruptive behavior of severely demented patients. Twenty-one severely demented patients identified as vocally disruptive and 19 severely demented control subjects who were matched for gender and ward were studied. A family member or close relative who knew the patient very well described the patient's personal characteristics from what they judged to be the “best” period in the patient's life and responded, on behalf of the patient, to the 57 items in a modified version of the Eysenck Personality Inventory. The results of this study can be interpreted to indicate that a previous personality described as introverted, rigid, and with a tendency to control emotions, as remembered retrospectively by a close family member, may correlate to current disruptive behavior. Despite the limitations of this study, the findings indicated that a patient's previous personality characteristics need to be taken into consideration because they may partially explain vocal activity and are therefore important for the provision of nursing care. Further research has to be performed to highlight the impact of previous personality characteristics on various kinds of behavior during the course of the disease.
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10.
  • Andin, Ulla, et al. (författare)
  • A Clinico-Pathological Study of Heart and Brain Lesions in Vascular Dementia.
  • 2005
  • Ingår i: Dementia and Geriatric Cognitive Disorders. - : S. Karger AG. - 1420-8008 .- 1421-9824. ; 19:4, s. 222-228
  • Tidskriftsartikel (refereegranskat)abstract
    • All vascular dementia (VaD) cases, neuropathologically verified in a longitudinal prospective dementia project, were classified according to the vascular brain lesion type and related to the dementia type and cardiovascular pathology. From 1976 to 1995, there were 175 VaD cases, 49 of which were pure, without Alzheimer pathology and only one type of cerebrovascular lesion. Furthermore, it was found that 6 cases suffered hypoxic hypoperfusive disease, while 7 were found to have large vessel disease and 36 small vessel disease. In addition to Alzheimer pathology, more than one type of vascular brain pathology was found in the remaining 126 cases. In these cases, diagnosed in accordance with the predominant type of VaD, hypoxic-hypoperfusive lesions were found in 55, large vessel lesions in 50 and small vessel lesions in 110 cases. It should be stressed that 87% of all cases with hypoxic hypoperfusive lesions also had Alzheimer pathology. Cardiovascular and aortic pathologies were more prevalent in small vessel dementia than in the other VaD groups. Clinically diagnosed arterial hypertension was significantly associated with small vessel dementia, but not with hypoxic-hypoperfusive dementia. Cardiovascular symptoms varied considerably in frequency between different dementia groups. VaD is a heterogeneous group regarding lesions caused by different pathophysiological mechanisms and with different combinations of brain pathologies. It is therefore necessary to identify the various types of vascular brain lesions for a correlation with clinical symptoms and for diagnostic purposes in the search for risk factors and therapeutic strategies.
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