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Sökning: L773:2162 3279 OR L773:2162 3279

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31.
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32.
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33.
  • Franzén, Erika, et al. (författare)
  • Depressive symptoms associated with concerns about falling in Parkinson's disease
  • 2016
  • Ingår i: Brain and Behavior. - : Wiley. - 2162-3279. ; 6:10
  • Tidskriftsartikel (refereegranskat)abstract
    • Background: Concerns about falling, a construct related to fear of falling, is increased in people with Parkinson's disease (PD) and is recognized as a barrier for exercise, negatively affecting health-related quality of life and participation. Aim: To investigate modifiable factors associated with concerns about falling in elderly with mild-to-moderate PD. Methods: Eighty-nine elderly (39 females, mean age 73 years) with mild-to-moderate PD were recruited. Concerns about falling were assessed with the Falls Efficacy Scale-international, that is, the dependent variable in multiple linear regression analysis. Independent variables included both motor (e.g., objective measures of physical activity and gait) and nonmotor aspects such as depressive symptoms. Results: A model with three significant independent variables explained 33% of the variance in concerns about falling. According to the standardized regression coefficients (β), the strongest contributing factor was depressive symptoms (0.40), followed by balance performance (−0.25), and use of mobility devices (0.24). Conclusions: The findings imply that factors associated with concerns about falling are a multifactorial phenomenon. For its management in elderly with mild-to-moderate PD, one should consider depressive symptoms, balance deficits, and mobility devices.
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35.
  • Granvik, Christoffer, et al. (författare)
  • Olfactory dysfunction as an early predictor for post-COVID condition at 1-year follow-up
  • 2024
  • Ingår i: Brain and Behavior. - : John Wiley & Sons. - 2162-3279. ; 14:6
  • Tidskriftsartikel (refereegranskat)abstract
    • Background: Olfactory dysfunction together with neurological and cognitive symptoms are common after COVID-19. We aimed to study whether performance on olfactory and neuropsychological tests following infection predict post-COVID condition (PCC), persisting symptoms, and reduced health-related quality of life.Methods: Both hospitalized (N = 10) and non-hospitalized individuals (N = 56) were enrolled in this prospective cohort study. Participants were evaluated 1–3 months after infection with an olfactory threshold test and neuropsychological tests, which was used as predictors of PCC. A questionnaire outlining persisting symptoms and the validated instrument EuroQol five-dimension five-level for health-related quality of life assessment were used as outcome data 1 year after infection (N = 59). Principal component analysis was used to identify relevant predictors for PCC at 1 year.Results: Objectively assessed olfactory dysfunction at 1–3 months post infection, but not subjective olfactory symptoms, predicted post-COVID condition with reduced health-related quality of life (PCC+) at 1 year. The PCC+ group scored more often below the cut off for mild cognitive impairment on the Montreal Cognitive Assessment (61.5% vs. 21.7%) and higher on the Multidimensional Fatigue Inventory-20, compared to the group without PCC+.Conclusion: Our results indicate that objectively assessed, olfactory dysfunction is a predictor for PCC+. These findings underscore the importance of objective olfactory testing. We propose that olfactory screening in the early post-acute phase of COVID-19 infection might identify individuals that are at higher risk of developing long-term health sequalae.
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36.
  • Grill, Filip, et al. (författare)
  • Neural correlates of reward processing : Functional dissociation of two components within the ventral striatum
  • 2021
  • Ingår i: Brain and Behavior. - : John Wiley & Sons. - 2162-3279. ; 11:2
  • Tidskriftsartikel (refereegranskat)abstract
    • Introduction: Rewarding and punishing stimuli elicit BOLD responses in the affective division of the striatum. The responses typically traverse from the affective to the associative division of the striatum, suggesting an involvement of associative processes during the modulation of stimuli valance. In this study, we hypothesized that fMRI responses to rewards versus punishments in a guessing card game can be disassociated into two functional component processes that reflect the convergence of limbic and associative functional networks in the ventral striatum.Methods: We used fMRI data of 175 (92 female) subjects from the human connectome project ' s gambling task, working memory task, and resting-state scans. A reward > punish contrast identified a ventral striatum cluster from which voxelwise GLM parameter estimates were entered into a k-means clustering algorithm. The k-means analysis supported separating the cluster into two spatially distinct components. These components were used as seeds to investigate their functional connectivity profile. GLM parameter estimates were extracted and compared from the task contrasts reward > punish and 2-back > 0-back from two ROIs in the ventral striatum and one ROI in hippocampus.Results: The analyses converged to show that a superior striatal component, coupled with the ventral attention and frontal control networks, was responsive to both a modulation of cognitive control in working memory and to rewards, whereas the most inferior part of the ventral striatum, coupled with the limbic and default mode networks including the hippocampus, was selectively responsive to rewards.Conclusion: We show that the fMRI response to rewards in the ventral striatum reflects a mixture of component processes of reward. An inferior ventral striatal component and hippocampus are part of an intrinsically coupled network that responds to reward-based processing during gambling. The more superior ventral striatal component is intrinsically coupled to networks involved with executive functioning and responded to both reward and cognitive control demands.
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37.
  • Gulin, S., et al. (författare)
  • Is obsessive–compulsive personality disorder related to stress-related exhaustion?
  • 2021
  • Ingår i: Brain and Behavior. - : Wiley. - 2162-3279. ; 11:6
  • Tidskriftsartikel (refereegranskat)abstract
    • Objective: Recovery from stress-related diagnoses can, in some cases, be long-lasting, and several different factors could be related to such a lengthy recovery. One plausible aspect is obsessive–compulsive personality disorder (OCPD), which has previously been seen to be related to stress-related mental health. Thus, the aim of this study was to investigate whether recovery from exhaustion disorder (ED) is associated with OCPD. Methods: This study includes data from 147 patients (78% women, mean age 52.4±9.8years) who have been treated for ED. Clinical assessment was performed 7–10years after first seeking care identifying patients with residual exhaustion. Symptoms of OCPD were concomitantly measured and several aspects of work- and private-related stress exposure. Results: The main result of this study is that patients with residual clinical ED report OCPD to a greater extent, compared with patients who no longer fulfill the clinical criteria for ED, 7–10years after seeking care. Patients with OCPD that have not recovered report “excessive devotion to work” to a higher degree than patients with OCPD that have recovered. Conclusion: The results indicate that factors related to OCPD may be of clinical importance for the patient's recovery from ED. However, prospective studies should be conducted and studies elucidating whether symptoms of exhaustion among patients with OCPD can be affected by therapeutic interventions. © 2021 The Authors. Brain and Behavior published by Wiley Periodicals LLC
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38.
  • Haghighi, S., et al. (författare)
  • Open-label study with the monoamine stabilizer (-)-OSU6162 in myalgic encephalomyelitis/chronic fatigue syndrome
  • 2021
  • Ingår i: Brain and Behavior. - : Wiley. - 2162-3279. ; 11:4
  • Tidskriftsartikel (refereegranskat)abstract
    • Objectives The purpose of the present study was to investigate the safety and tolerability of the monoaminergic stabilizer (-)-OSU6162 in patients with myalgic encephalomyelitis/chronic fatigue syndrome (ME/CFS). In addition, a potential therapeutic effect of (-)-OSU6162 in ME/CFS was evaluated by means of observer-rated scales and self-assessment rating scales. Materials and Methods In the current study using an open-label single-arm design ME/CFS patient received treatment with (-)-OSU6162 during 12 weeks. The patients received the following doses of (-)-OSU6162: 15 mg b.i.d. during the first 4-week period, up to 30 mg b.i.d. during the second 4-week period and up to 45 mg b.i.d. during the third 4-week period, with follow-up visits after 16 and 20 weeks. Results Out of 33 included patients, 28 completed the 12 weeks treatment period. (-)-OSU6162 was well tolerated; only one patient discontinued due to an adverse event. Vital signs and physical examinations showed no abnormal changes. Blood analyses showed an increase in serum prolactin. Therapeutically, improvements were seen on the Clinical Global Impression of Change scale, the FibroFatigue scale, the Mental Fatigue Scale, the Fatigue Severity Scale, Beck Depression Inventory, and the Short Form 36 Health Survey Questionnaire. Conclusions (-)-OSU6162 is well tolerated in ME/CFS patients and shows promise as a novel treatment to mitigate fatigue and improve mood and health-related quality of life in ME/CFS. Obviously, the present results need to be confirmed in future placebo-controlled double-blind trials.
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39.
  • Hansson, Per-Olof, 1958, et al. (författare)
  • Prehospital identification of factors associated with death during one-year follow-up after acute stroke
  • 2018
  • Ingår i: Brain and Behavior. - : Wiley. - 2162-3279. ; 8:6
  • Tidskriftsartikel (refereegranskat)abstract
    • Objectives: In acute stroke, the risk of death and neurological sequelae are obvious threats. The aim of the study was to evaluate the association between various clinical factors identified by the emergency medical service (EMS) system before arriving at hospital and the risk of death during the subsequent year among patients with a confirmed stroke. Material and Methods: All patients with a diagnosis of stroke as the primary diagnosis admitted to a hospital in western Sweden (1.6 million inhabitants) during a four-month period were included. There were no exclusion criteria. Results: In all, 1,028 patients with a confirmed diagnosis of stroke who used the EMS were included in the analyses. Among these patients, 360 (35%) died during the following year. Factors that were independently associated with an increased risk of death were as follows: (1) high age, per year OR 1.07; 95% CI 1.05-1.09; (2) a history of heart failure, OR 2.08; 95% CI 1.26-3.42; (3) an oxygen saturation of < 90%, OR 8.05; 95% CI 3.33-22.64; and (4) a decreased level of consciousness, OR 2.19; 95% CI 1.61-3.03. Conclusions: Among patients with a stroke, four factors identified before arrival at hospital were associated with a risk of death during the following year. They were reflected in the patients' age, previous clinical history, respiratory function, and the function of the central nervous system.
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40.
  • Håglin, Lena, et al. (författare)
  • Covariation between plasma phosphate and daytime cortisol in early Parkinson's disease
  • 2016
  • Ingår i: Brain and Behavior. - : Wiley. - 2162-3279. ; 6:12
  • Tidskriftsartikel (refereegranskat)abstract
    • Background: Disturbed phosphate homeostasis in early Parkinson′s disease (PD) may originate from a stress-related condition and nutritional status among other risk factors, age, and gender.Methods: Risk of malnutrition using Mini-nutritional assessment (MNA score) and plasma levels of protein markers and daytime cortisol at the time of diagnosis in PD (n = 75) were compared with a control group (n = 24). Cognition was assessed using the Mini-Mental State Examination (MMSE score) and motor function using Unified Parkinson′s Disease Rating Scale (UPDRS-part III scale).Results: The patients with PD had significantly lower MNA score than controls which correlated with plasma phosphate levels. The logistic regression revealed that increasing MNA protected from low plasma phosphate, final score (OR = 0.399; 95% CI = 0.196–0.816; p = .012) and total score (OR = 0.656; 95% CI = 0.422–1.018; p = .060). Phosphate correlated with albumin (r = .315; p < .006), transferrin (r = .331; p < .004) and cortisol (r = −0.355; p < .002) confirmed by logistic regressions. Increasing albumin protects from low phosphate after adjusting in logistic regression (OR = 0.806; 95% CI = 0.682–0.952; p = .011) and after including variables from Table 1 in backwards elimination, final step (OR = 0.800; 95% CI = 0.660–0.969; p = .022). MNA total score and cortisol correlated inversely, confirmed in logistic regression for MNA total score (OR = 0.786; 95% CI = 0.627–0.985; p = .037) and for MNA initial score (OR = 0.650; 95% CI = 0.453–0.930; p = .020).Conclusion: This study highlights the importance of phosphate for optimal nutritional status by association with MNA score and albumin in plasma. An inverse relationship between phosphate and cortisol indicate, in addition, that low phosphate levels may affect cognition and motor function in PD.
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