487 research outputs found

    Functional Stroke Symptoms: A Narrative Review and Conceptual Model

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    Stroke services have been reconfigured in recent years to facilitate early intervention. Throughout stroke settings, some patients present with functional symptoms that cannot be attributed to a structural cause. Emphasis on fast diagnosis and treatment means that a proportion of patients entering the care pathway present with functional symptoms that mimic stroke or have functional symptoms in addition to vascular stroke. There is limited understanding of mechanisms underlying functional stroke symptoms, how the treatment of such patients should be managed, and no referral pathway or treatment. Predisposing factors vary between individuals, and symptoms are heterogeneous: onset can be acute or insidious, and duration can be short-lived or chronic in the context of new or recurrent illness cognitions and behaviors. This article proposes a conceptual model of functional symptoms identified in stroke services and some hypotheses based on a narrative review of the functional neurological disorder literature. Predisposing factors may include illness experiences, stressors, and chronic autonomic nervous system arousal. Following the onset of distressing symptoms, perpetuating factors may include implicit cognitive processes, classical and operant conditioning, illness beliefs, and behavioral responses, which could form the basis of treatment targets. The proposed model will inform the development of theory-based interventions as well as a functional stroke care pathway

    Illness-Related Cognition, Distress and Adjustment in Functional Stroke Symptoms, Vascular Stroke, and Chronic Fatigue Syndrome

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    Background: High rates of psychological distress are reported in functional conditions and vascular stroke, but there is limited understanding of how patients with functional neurological symptoms in stroke settings respond to symptoms. Aims: This study compared patients with functional stroke symptoms to those with vascular stroke and chronic fatigue syndrome (CFS). Methods: A prospective cohort of 56 patients with functional stroke symptoms were age-gender matched to patients with vascular stroke and CFS. Analysis of variance compared groups on cognitive and behavioral responses to symptoms, psychological distress, and functioning. Sensitivity analyses controlled for known confounders. The proportions of clinical anxiety and depression were compared between groups. Results: The functional stroke symptom group had a higher proportion of clinical anxiety cases than the CFS group, and a higher proportion of clinical depression cases than the vascular stroke group. Patients with functional stroke symptoms reported the highest rate of ā€œdamage beliefsā€ and ā€œall-or-nothingā€ behaviors and greater symptom focusing and resting behavior than patients with vascular stroke. Limitations: Larger cohorts and a longitudinal design would strengthen study findings. Conclusion: Compared to patients with vascular stroke or CFS, patients with functional stroke symptoms show a somewhat distinct profile of illness-related beliefs and behaviors, as well as higher rates of clinical anxiety. Understanding such group differences provides some insights into aetiology and cognitive-behavioral responses. Appropriate support and referral should be available to patients with functional stroke symptoms to address distress and reduce the likelihood of severe impairment

    Evaluating an interactive acceptance and commitment therapy (ACT) workshop delivered to trained therapists working with cancer patients in the United Kingdom: a mixed methods approach

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    Background SURECAN (SUrvivorsā€™ Rehabilitation Evaluation after CANcer) is a multi-phase study developing and evaluating an Acceptance and Commitment Therapy (ACT) intervention integrated with exercise and work when highly valued (thus we called the intervention ACT+), for people who have completed treatment for cancer but who have low quality of life. We developed a training programme for therapists working in different psychological services to be delivered over 2ā€“3ā€‰days. Our aim was to evaluate the extent to which the training could improve therapistsā€™ knowledge and confidence to deliver ACT+ to cancer patients in a trial setting. Methods Three interactive workshops were delivered to 29 therapists from three clinical settings in London and in Sheffield. A mixed-methods approach was used. Questionnaires were designed to assess knowledge and confidence in using ACT+ with people who have low quality of life after cancer treatment. They were self-administered immediately prior to and after each workshop. Open text-based questions were used to elicit feedback about the workshops alongside a satisfaction scale. Semi-structured interviews were conducted with a purposive sample of therapists (nā€‰=ā€‰12) to explore their views about the training more deeply, and how it might be optimised. Results Quantitative analysis showed that knowledge of ACT, as well as confidence in using the ACT+ intervention in this setting increased significantly after training (28.6 and 33.5% increase in the median score respectively). Qualitative analysis indicated that most therapists were satisfied with the content and structure of the programme, valued the rich resources provided and enjoyed the practice-based approach. Potential barriers/facilitators to participation in the trial and to the successful implementation of ACT+ were identified. For some therapists, delivering a manualised intervention, as well as supporting exercise- and work-related goals as non-specialists was seen as challenging. At the same time, therapists valued the opportunity to be involved in research, whilst training in a new therapy model. Conclusions Training can effectively improve the knowledge and confidence of therapists from different clinical backgrounds to deliver a modified ACT intervention to cancer patients in a trial setting

    The planning, implementation and publication of a complex intervention trial for chronic fatigue syndrome: the PACE trial.

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    The PACE trial was a four-arm trial of specialist medical care, compared with specialist medical care with a supplementary therapy: adaptive pacing therapy, cognitive-behavioural therapy or graded exercise therapy, for patients with chronic fatigue syndrome. The trial found that both cognitive-behavioural and graded exercise therapies were more effective than either of the other two treatments in reducing fatigue and improving physical disability. This paper describes the design, conduct and main results of the trial, along with a description of the challenges that had to be overcome in order to produce clear answers to the clinically important questions the trial posed.The funders of the PACE trial were: the Medical Research Council, the Department of Health (England), the Department for Work and Pensions, and the Chief Scientist Office (NHS Scotland)

    Heterogeneity in chronic fatigue syndrome ā€“ empirically defined subgroups from the PACE trial

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    Background Chronic fatigue syndrome is likely to be a heterogeneous condition. Previous studies have empirically defined subgroups using combinations of clinical and biological variables. We aimed to explore the heterogeneity of chronic fatigue syndrome. Method We used baseline data from the PACE trial, which included 640 participants with chronic fatigue syndrome. Variable reduction, using a combination of clinical knowledge and principal component analyses, produced a final dataset of 26 variables for 541 patients. Latent class analysis was then used to empirically define subgroups. Results The most statistically significant and clinically recognizable model comprised five subgroups. The largest, ā€˜coreā€™ subgroup (33% of participants), had relatively low scores across all domains and good self-efficacy. A further three subgroups were defined by: the presence of mood disorders (21%); the presence of features of other functional somatic syndromes (such as fibromyalgia or irritable bowel syndrome) (21%); or by many symptoms ā€“ a group which combined features of both of the above (14%). The smallest ā€˜avoidantā€“inactiveā€™ subgroup was characterized by physical inactivity, belief that symptoms were entirely physical in nature, and fear that they indicated harm (11%). Differences in the severity of fatigue and disability provided some discriminative validation of the subgroups. Conclusions In addition to providing further evidence for the heterogeneity of chronic fatigue syndrome, the subgroups identified may aid future research into the important aetiological factors of specific subtypes of chronic fatigue syndrome and the development of more personalized treatment approaches

    Recovery from chronic fatigue syndrome after treatments given in the PACE trial

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    BACKGROUND: A multi-centre, four-arm trial (the PACE trial) found that rehabilitative cognitive behaviour therapy (CBT) and graded exercise therapy (GET) were more effective treatments for chronic fatigue syndrome (CFS) than specialist medical care (SMC) alone, when each was added to SMC, and more effective than adaptive pacing therapy (APT) when added to SMC. In this study we compared how many participants recovered after each treatment. METHOD: We defined recovery operationally using multiple criteria, and compared the proportions of participants meeting each individual criterion along with two composite criteria, defined as (a) recovery in the context of the trial and (b) clinical recovery from the current episode of the illness, however defined, 52 weeks after randomization. We used logistic regression modelling to compare treatments. RESULTS: The percentages (number/total) meeting trial criteria for recovery were 22% (32/143) after CBT, 22% (32/143) after GET, 8% (12/149) after APT and 7% (11/150) after SMC. Similar proportions met criteria for clinical recovery. The odds ratio (OR) for trial recovery after CBT was 3.36 [95% confidence interval (CI) 1.64ā€“6.88] and for GET 3.38 (95% CI 1.65ā€“6.93), when compared to APT, and after CBT 3.69 (95% CI 1.77ā€“7.69) and GET 3.71 (95% CI 1.78ā€“7.74), when compared to SMC (p values < or =0.001 for all comparisons). There was no significant difference between APT and SMC. Similar proportions recovered in trial subgroups meeting different definitions of the illness. CONCLUSIONS: This study confirms that recovery from CFS is possible, and that CBT and GET are the therapies most likely to lead to recovery
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