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- Wicksell, R K, et al.
(författare)
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Acceptance and commitment therapy for fibromyalgia : a randomized controlled trial.
- 2013
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Ingår i: European Journal of Pain. - : Wiley. - 1090-3801 .- 1532-2149. ; 17:4, s. 599-611
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Tidskriftsartikel (refereegranskat)abstract
- BACKGROUND: Fibromyalgia (FM) is characterized by widespread pain and co-morbid symptoms such as fatigue and depression. For FM, medical treatments alone appear insufficient. Recent meta-analyses point to the utility of cognitive behaviour therapy (CBT), but effects are moderate. Within the continuous development of CBT, the empirical support for acceptance and commitment therapy (ACT) has increased rapidly. ACT focuses on improving functioning by increasing the patient's ability to act in accordance with personal values also in the presence of pain and distress (i.e., psychological flexibility). However, no study has yet explored the utility of ACT in FM.OBJECTIVES: To evaluate the efficacy of ACT for FM and the role of psychological inflexibility as a mediator of improvement.METHODS: In this randomized controlled trial, ACT was evaluated in comparison to a waiting list control condition. Forty women diagnosed with FM participated in the study. Assessments were made pre- and post-treatment and at 3 months of follow-up. The ACT intervention consisted of 12 weekly group sessions.RESULTS: Significant differences in favour of ACT were seen in pain-related functioning, FM impact, mental health-related quality of life, self-efficacy, depression, anxiety and psychological inflexibility. Changes in psychological inflexibility during the course of treatment were found to mediate pre- to follow-up improvements in outcome variables.CONCLUSIONS: The results correspond with previous studies on ACT for chronic pain and suggest the utility of ACT for FM as well as the role of psychological inflexibility as a mediator of improvement.
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- Höglund, Arja, et al.
(författare)
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Associations between fluctuations in daytime sleepiness and motor and non-motor symptoms in Parkinson's disease
- 2021
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Ingår i: Movement Disorders Clinical Practice. - 2330-1619. ; 8:1, s. 44-50
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Tidskriftsartikel (refereegranskat)abstract
- Abstract Background Non-motor fluctuations (NMF) are a major concern in Parkinson's disease (PD), and they have been categorised into neuropsychiatric, autonomic and sensory fluctuations. However, this categorisation does not include sleep and sleep-related features, and the association between daytime sleepiness and other motor and/or non-motor fluctuations in PD remains to be elucidated. Objective To investigate the relationship between daytime sleepiness and other non-motor and motor fluctuations in people with PD. Methods A three-day home diary recording daytime sleepiness, mood, anxiety, and motor symptoms was used along with the Karolinska Sleepiness Scale (KSS) and six days of accelerometer (Parkinson's KinetiGraph?; PKG?) registration to detect motor fluctuations among people with a DaTSCAN verified clinical PD diagnosis (32 men; mean PD duration, 8.2?years). Participants were categorised as motor fluctuators or non-fluctuators according to the UPDRS part IV and/or the presence of motor and non-motor fluctuations. Results Fifty-two people with PD participated. Daytime sleepiness correlated significantly with motor symptoms, mood and anxiety among those classified as motor fluctuators (n = 28). Motor fluctuators showed stronger correlations between the individual mean level of all diary variables (daytime sleepiness, anxiety, mood and motor symptoms) when compared to the non-fluctuators (n = 24). Stronger positive within-individual correlations were found among fluctuators in comparison to non-fluctuators. In general, PKG data did not correlate with diary data. Conclusion Episodes of daytime sleepiness, as reported by home diaries, were associated with other self-reported non-motor and motor fluctuations, but were not supported by PKG data.
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- Tangen, A, et al.
(författare)
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Associations Between Cognition and Serotonin 1B Receptor Availability in Healthy Volunteers: A [11C]AZ10419369 Positron Emission Tomography Study
- 2023
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Ingår i: The international journal of neuropsychopharmacology. - : Oxford University Press (OUP). - 1469-5111 .- 1461-1457. ; 26:4, s. 241-248
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Tidskriftsartikel (refereegranskat)abstract
- BackgroundThe serotonin system has been implicated in several psychiatric disorders. All major psychiatric disorders are associated with cognitive impairment, but treatment improving cognitive deficits is lacking, partly due to limited understanding of the neurobiology of cognitive functioning. Several markers for the serotonin system have been associated with cognitive functions. Our research group previously has reported a positive correlation between serotonin (5-HT1B) receptor availability in the dorsal brainstem and visuospatial memory in a pilot study of healthy individuals. Here, we aim to replicate our previous finding in a larger group of healthy volunteers as well as to investigate putative associations between 5-HT1B receptor availability and other cognitive domains.MethodsForty-three healthy individuals were examined with positron emission tomography using the 5-HT1B receptor radioligand [11C]AZ10419369 and a visuospatial memory test to replicate our previous finding as well as tests of verbal fluency, cognitive flexibility, reaction time, and planning ability to explore other domains potentially associated with the serotonin system.ResultsReplication analysis revealed no statistically significant association between 5-HT1B receptor availability in the dorsal brainstem and visuospatial memory performance. Exploratory analyses showed age-adjusted correlations between 5-HT1B receptor availability in whole brain gray matter and specific brain regions, and number of commission errors, reaction time, and planning ability.ConclusionsHigher 5-HT1B receptor availability was associated with more false-positive responses and faster reaction time but lower performance in planning and problem-solving. These results corroborate previous research supporting an important role of the serotonin system in impulsive behavior and planning ability.
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- Al Shakirchi, M, et al.
(författare)
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The Effects of Aspergillus fumigatus Colonization on Lung Function in Patients with Cystic Fibrosis
- 2021
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Ingår i: Journal of fungi (Basel, Switzerland). - : MDPI AG. - 2309-608X. ; 7:11
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Tidskriftsartikel (refereegranskat)abstract
- Aspergillus fumigatus is commonly isolated from CF airways. However, the impact on CF lung progression is not completely understood. In this study, using a 16-year retrospective observational cohort study (2000–2015) that included 132 patients, we determined the annual lung function, measured as percent predicted forced expiratory volume in the first second (ppFEV1), decline before and after the first colonization with A. fumigatus. Further, in the same individual, the ratios of lung function when patients were colonized with A. fumigatus and when they were not were calculated. The impact of eradication, with antifungal treatment or spontaneously, was assessed. The annual ppFEV1 was significantly lower after the first colonization with A. fumigatus. Furthermore, within the same individual, colonization with A. fumigatus for two and three years in a row was associated with 4.3% and 7.9% lower ppFEV1, respectively, compared to when not colonized. Finally, patients who eradicated A. fumigatus the following two years after colonization exhibited 9.9% and 14.5% higher ppFEV1 compared to patients who continued to produce cultures with A. fumigatus for two and three years. Our study demonstrated that A. fumigatus colonization was associated with a negative impact on lung function in the long term and eradication, spontaneously or with treatment, was associated with a better pulmonary outcome.
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