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Träfflista för sökning "WFRF:(Londos Elisabet) srt2:(2020-2024)"

Sökning: WFRF:(Londos Elisabet) > (2020-2024)

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1.
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2.
  • Ferreira, Daniel, et al. (författare)
  • β-Amyloid and tau biomarkers and clinical phenotype in dementia with Lewy bodies
  • 2020
  • Ingår i: Neurology. - 1526-632X. ; 95:24, s. 3257-3268
  • Tidskriftsartikel (refereegranskat)abstract
    • OBJECTIVE: In a multicenter cohort of probable dementia with Lewy bodies (DLB), we tested the hypothesis that β-amyloid and tau biomarker positivity increases with age, which is modified by APOE genotype and sex, and that there are isolated and synergistic associations with the clinical phenotype. METHODS: We included 417 patients with DLB (age 45-93 years, 31% women). Positivity on β-amyloid (A+) and tau (T+) biomarkers was determined by CSF β-amyloid1-42 and phosphorylated tau in the European cohort and by Pittsburgh compound B and AV-1451 PET in the Mayo Clinic cohort. Patients were stratified into 4 groups: A-T-, A+T-, A-T+, and A+T+. RESULTS: A-T- was the largest group (39%), followed by A+T- (32%), A+T+ (15%), and A-T+ (13%). The percentage of A-T- decreased with age, and A+ and T+ increased with age in both women and men. A+ increased more in APOE ε4 carriers with age than in noncarriers. A+ was the main predictor of lower cognitive performance when considered together with T+. T+ was associated with a lower frequency of parkinsonism and probable REM sleep behavior disorder. There were no significant interactions between A+ and T+ in relation to the clinical phenotype. CONCLUSIONS: Alzheimer disease pathologic changes are common in DLB and are associated with the clinical phenotype. β-Amyloid is associated with cognitive impairment, and tau pathology is associated with lower frequency of clinical features of DLB. These findings have important implications for diagnosis, prognosis, and disease monitoring, as well as for clinical trials targeting disease-specific proteins in DLB. CLASSIFICATION OF EVIDENCE: This study provides Class II evidence that in patients with probable DLB, β-amyloid is associated with lower cognitive performance and tau pathology is associated with lower frequency of clinical features of DLB.
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3.
  • Fälth, Nils, et al. (författare)
  • Choral Singing Enriches Everyday Life for People With Mild to Moderate Dementia and Their Family Caregivers
  • 2022
  • Ingår i: Journal of Psychosocial Nursing and Mental Health Services. - : SLACK, Inc.. - 0279-3695 .- 1938-2413. ; 60:5, s. 29-36
  • Tidskriftsartikel (refereegranskat)abstract
    • Dementia causes substantial suffering for affected persons and their family care-givers. Because no cure is available, it is important to investigate how alternative therapies can improve life for these individuals. For the current study, persons with dementia (PwD) were recruited from a specialized Memory Clinic in Sweden to en-gage in a choral singing intervention for 1 hour per week for four semesters. PwD were encouraged to bring a family caregiver to the sessions; both were interviewed and data were analyzed using qualitative content analysis. The choral singing intervention appeared to become an important social context for PwD and family caregivers and had a positive impact on relationship, mental well-being, mood, and memory. The intervention appeared to act as an enriched environment for all participants. Choral singing interventions for PwD and their family caregivers is a simple means to create a social context and improve general well-being.
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4.
  • Hall, Sara, et al. (författare)
  • Plasma Phospho-Tau Identifies Alzheimer's Co-Pathology in Patients with Lewy Body Disease
  • 2021
  • Ingår i: Movement Disorders. - : Wiley. - 0885-3185 .- 1531-8257. ; 36:3, s. 767-771
  • Tidskriftsartikel (refereegranskat)abstract
    • Background: Alzheimer's disease co-pathology is common in dementia with Lewy bodies and Parkinson's disease with dementia (Lewy body disease) and can reliably be detected with positron emission tomography (PET) or cerebrospinal fluid (CSF) biomarkers. Recently developed blood biomarkers are more accessible and less expensive alternatives. Objective: To investigate if plasma phospho-tau217 and phospho-tau181 can detect Alzheimer's pathology in Lewy body disease with dementia. Methods: In this cross-sectional study we investigated plasma phospho-tau217 and phospho-tau181 in 35 patients with Lewy body disease with dementia. Patients underwent tau-PET imaging (18F-RO948). Results: Plasma phospho-tau217 correlated with plasma phospho-tau181, CSF phospho-tau217 (rs = 0.68, P < 0.001), and negatively with CSF β-amyloid42/40 (rs = −0.52, P = 0.001). Plasma phospho-tau217 and phospho-tau181 correlated with tau-PET signal in the temporal cortex (rs > 0.56, P < 0.001) and predicted abnormal tau-PET status and β-amyloid status (area under the curve > 0.78 and > 0.81, respectively). Conclusion: Plasma phospho-tau might be a useful marker for Alzheimer's co-pathology in Lewy body disease with dementia.
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5.
  • Hansen Kristensson, Jenny, et al. (författare)
  • Medications causing potential cognitive impairment are common in nursing home dementia units – A cross-sectional study
  • 2021
  • Ingår i: Exploratory Research in Clinical and Social Pharmacy. - : Elsevier BV. - 2667-2766. ; 3
  • Tidskriftsartikel (refereegranskat)abstract
    • BackgroundWith advancing age the brain becomes more sensitive to centrally acting drugs thus increasing the risk of cognitive side-effects. The Swedish National Board of Health and Welfare developed indicators to measure and follow quality in older people's drug therapy, one being “Potentially Inappropriate Medications risking Cognitive impairment (PIMcogn)”. Associations between anticholinergics and cognitive impairment are described, especially in persons with Alzheimer's disease or Lewy Body Dementia/Parkinson's disease dementia, due to degenerated cholinergic pathways.ObjectivesTo examine the prevalence of PIMcogn and if it differed between nursing home residents with and without a dementia diagnosis and between residents with different dementia aetiologias.MethodsDescriptive cross-sectional study, based on residents ≥65 years in nursing home dementia units in Malmö, Sweden, in 2012–2013 (N = 574).ResultsThe study population consisted of 76% women, the mean age was 86 years and a dementia diagnosis was registered in 92%. A total of 74% were prescribed at least one PIMcogn. Benzodiazepines were prevalent in 59%, opioids in 27%, antipsychotics in 20% and anticholinergics in 13%. Opioids used regularly and antiepileptics were more common in residents without a dementia diagnosis. The lowest proportion of anticholinergics was seen in the oldest age group, 11.0%. There was no difference seen in anticholinergics between dementia types with considerable cholinergic deficit and other dementia diagnoses.ConclusionsTreatment with at least one PIMcogn was common. Usage of benzodiazepines and antipsychotics was, despite the knowledge of alarming side-effects, high.An awareness of the inappropriateness in prescribing anticholinergics to the oldest old seems to be apparent, but not to persons with cholinergic deficit.
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6.
  • Heyman, Isak, et al. (författare)
  • Exploring the prevalence of undetected bradyarrhythmia in dementia with Lewy bodies
  • 2023
  • Ingår i: Clinical autonomic research : official journal of the Clinical Autonomic Research Society. - 1619-1560. ; 33:4, s. 433-442
  • Tidskriftsartikel (refereegranskat)abstract
    • PURPOSE: To explore the prevalence of undetected bradyarrhythmia in a cohort of people with dementia with Lewy bodies.METHODS: Thirty participants diagnosed with dementia with Lewy bodies were enrolled from three memory clinics in southern Sweden between May 2021 and November 2022. None had a history of high-grade atrioventricular block or sick sinus syndrome. Each participant underwent orthostatic testing, cardiac [ 123I]metaiodobenzylguanidine scintigraphy and 24-h ambulatory electrocardiographic monitoring. Concluding bradyarrhythmia diagnosis was obtained until the end of December 2022. RESULTS: Thirteen participants (46.4%) had bradycardia at rest during orthostatic testing and four had an average heart rate < 60 beats per minute during ambulatory electrocardiographic monitoring. Three participants (10.7%) received a diagnosis of sick sinus syndrome, of whom two received pacemaker implants to manage associated symptoms. None received a diagnosis of second- or third-degree atrioventricular block.CONCLUSION: This report showed a high prevalence of sick sinus syndrome in a clinical cohort of people with dementia with Lewy bodies. Further research on the causes and consequences of sick sinus syndrome in dementia with Lewy bodies is thus warranted.
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7.
  • Heyman, Isak, et al. (författare)
  • Pacemaker Implants and Their Influence on the Daily Life of Patients with Dementia with Lewy Bodies : A Qualitative Case Study
  • 2023
  • Ingår i: Neurology and Therapy. - 2193-8253. ; 12:4, s. 1359-1373
  • Tidskriftsartikel (refereegranskat)abstract
    • INTRODUCTION: Dementia with Lewy bodies (DLB) is an incurable form of dementia associated with detriments to the daily life of patients and carers from their family. Symptoms of orthostatic hypotension, syncope, and falls are supportive of DLB diagnosis. These symptoms may also be present among people with sick sinus syndrome (SSS), and subsequent pacemaker treatment to manage bradyarrhythmia is associated with improved cognitive function. The prevalence of SSS seems to be higher among people with underlying Lewy body pathology compared to the general age-matched population (5.2% vs. 0.17%). To our knowledge, how people with DLB and their family carers may experience pacemaker treatment to manage bradyarrhythmia has not been previously reported. Therefore, the aim of this study was to explore how people with DLB experience daily life following a pacemaker implant to manage associated symptoms of bradyarrhythmia.METHODS: A qualitative case study design was used. Two men with DLB and their spouse carers were repeatedly interviewed as a dyad within 1 year following implant of a dual-chamber rate-adaptive (DDD-CLS) pacemaker to manage SSS in the men. Content analysis was used to assess the qualitative interview data collected.RESULTS: Three categories emerged: (1) gaining control, (2) maintaining a social life, and (3) being influenced by concurrent diseases. Less syncope/falls and remote pacemaker monitoring increased a sense of control in everyday life, while perceived physical and/or cognitive improvements influenced social participation. The men were still affected by concurrent diseases, which continuously influenced each couple's daily life.CONCLUSION: Identifying and managing concurrent bradyarrhythmia through a pacemaker implant could improve well-being for people with DLB.
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8.
  • Holmbom Larsen, Axel, et al. (författare)
  • The Paintings Reveal the Story : Case Study of a Well-Known Swedish Artist Suffering from Alzheimer's Disease
  • 2024
  • Ingår i: Journal of Alzheimer's Disease Reports. - 2542-4823. ; 8:1, s. 173-187
  • Tidskriftsartikel (refereegranskat)abstract
    • Background: Creativity is a multifaceted, complex, activity, and as such is an overarching function of the brain rather than being confined to a specific structure or region. Alzheimer's disease effects several cognitive domains involved in the creative process of producing art. Objective: We analyze the art of a well-known Swedish visual artist who suffered from Alzheimer's disease to determine if, and in what way, his art and creative process might have been influenced by the disease. Methods: We compared his artistic process and artwork along with information from his spouse, medical r ecords, and cognitive tests as well as reviews of exhibitions written by art critics. Results: We show that not only did the artist continue to produce artwork well into a major decline in cognitive function, according to commonly used tests, but he could continue to do so for even longer with some assistance from his spouse. However, the artwork changed considerably as the disease progressed. We hypothesize that there is a substantial lack of representation of creative ability and function in cognitive tests. Conclusions: Signs of the Alzheimer's disease can be seen in the early artwork if viewed by critics and those with more specialized knowledge into the artist's production. Further analysis of the complex interaction between complex neural activities, such as artistic creativity, and cognitive diseases is warranted and might provide insight in the field of neurological degenerative disease.
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9.
  • Håkansson, Claes, et al. (författare)
  • Inter-modality assessment of medial temporal lobe atrophy in a non-demented population: application of a visual rating scale template across radiologists with varying clinical experience
  • 2022
  • Ingår i: European Radiology. - : Springer Science and Business Media LLC. - 0938-7994 .- 1432-1084. ; 32, s. 1127-1134
  • Tidskriftsartikel (refereegranskat)abstract
    • Objectives To assess inter-modality agreement and accuracy for medial temporal lobe atrophy (MTA) ratings across radiologists with varying clinical experience in a non-demented population. Methods Four raters (two junior radiologists and two senior neuroradiologists) rated MTA on CT and MRI scans using Scheltens' MTA scale. Ratings were compared to a consensus rating by two experienced neuroradiologists for estimation of true positive and negative rates (TPR and TNR) and over- and underestimation of MTA. Inter-modality agreement expressed as Cohen's kappa (dichotomized data), Cohen's kappa(w), and two-way mixed, single measures, consistency ICC (ordinal data) were determined. Adequate agreement was defined as kappa/kappa(w) >= 0.80 and ICC >= 0.80 (significance level at 95% CI >= 0.65). Results Forty-nine subjects (median age 72 years, 27% abnormal MTA) with cognitive impairment were included. Only junior radiologists achieved adequate agreement expressed as Cohen's kappa. All raters achieved adequate agreement expressed as Cohen's kappa(w) and ICC. True positive rates varied from 69 to 100% and TNR varied from 85 to 100%. No under- or overestimation of MTA was observed. Ratings did not differ between radiologists. Conclusion We conclude that radiologists with varying experience achieve adequate inter-modality agreement and similar accuracy when Scheltens' MTA scale is used to rate MTA on a non-demented population. However, TPR varied between radiologists which could be attributed to rating style differences.
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10.
  • Håkansson, Claes, et al. (författare)
  • Reporting frequency of radiology findings increases after introducing visual rating scales in the primary care diagnostic work up of subjective and mild cognitive impairment
  • 2021
  • Ingår i: European Radiology. - : Springer Science and Business Media LLC. - 0938-7994 .- 1432-1084. ; 31:2, s. 666-673
  • Tidskriftsartikel (refereegranskat)abstract
    • Objectives Study the effect of introducing a template for radiological reporting of non-enhanced computed tomography (NECT) in the primary care diagnostic work up of cognitive impairment using visual rating scales (VRS). Methods Radiology reports were assessed regarding compliance with a contextual report template and the reporting of the parameters medial temporal lobe atrophy (MTA), white matter changes (WMC), global cortical atrophy (GCA), and width of lateral ventricles (WLV) using established VRS in two age-matched groups examined with NECT before (n= 111) and after (n= 125) the introduction of contextual reporting at our department. True positive rate (TPR) and true negative rate (TNR) before and after were compared. Results We observed a significant increase in the percentage of radiology reports with mentioning of MTA from 29 to 76% (p< 0.001), WMC from 69 to 86% (p< 0.01), and GCA from 54 to 82% (p< 0.001). We observed a significant increase in the percentages of reports where all of the parameters were mentioned, from 6 to 29% (p< 0.001). There was a significant increase in TPR from 10 to 55% for MTA. Conclusion This study suggests that contextual radiological assessment using VRS could increase the reporting frequency of radiology findings in the diagnostic work up of cognitive impairment but compliance with templates may be difficult to endorse.
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