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Houchen-Wolloff L, Poinasamy K, Holmes K, Tarpey M, Hastie C, Raihani K, Rogers N, Smith N, Adams D, Burgess P, Clark J, Cranage C, Desai M, Geary N, Gill R, Mangwani J, Staunton L, Berry C, Bolton CE, Chalder T, Chalmers J, De Soyza A, Elneima O, Geddes J, Heller S, Ho LP, Jacob J, McAuley H, Parmar A, Quint JK, Raman B, Rowland M, Singapuri A, Singh SJ, Thomas D, Toshner MR, Wain LV, Horsley AR, Marks M, Brightling CE, Evans RA. Joint patient and clinician priority setting to identify 10 key research questions regarding the long-term sequelae of COVID-19. Thorax 2022; 77:717-720. [PMID: 35354642 PMCID: PMC9209667 DOI: 10.1136/thoraxjnl-2021-218582] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2021] [Accepted: 01/19/2022] [Indexed: 11/30/2022]
Abstract
Given the large numbers of people infected and high rates of ongoing morbidity, research is clearly required to address the needs of adult survivors of COVID-19 living with ongoing symptoms (long COVID). To help direct resource and research efforts, we completed a research prioritisation process incorporating views from adults with ongoing symptoms of COVID-19, carers, clinicians and clinical researchers. The final top 10 research questions were agreed at an independently mediated workshop and included: identifying underlying mechanisms of long COVID, establishing diagnostic tools, understanding trajectory of recovery and evaluating the role of interventions both during the acute and persistent phases of the illness.
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Goldstein LH, Robinson EJ, Chalder T, Stone J, Reuber M, Medford N, Carson A, Moore M, Landau S. Moderators of cognitive behavioural therapy treatment effects and predictors of outcome in the CODES randomised controlled trial for adults with dissociative seizures. J Psychosom Res 2022; 158:110921. [PMID: 35617911 DOI: 10.1016/j.jpsychores.2022.110921] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/14/2021] [Revised: 04/08/2022] [Accepted: 04/12/2022] [Indexed: 10/18/2022]
Abstract
OBJECTIVE We explored moderators of cognitive behavioural therapy (CBT) treatment effects and predictors of outcome at 12-month follow-up in the CODES Trial (N = 368) comparing CBT plus standardised medical care (SMC) vs SMC-alone for dissociative seizures (DS). METHODS We undertook moderator analyses of baseline characteristics to determine who had benefited from being offered CBT 12 months post-randomisation. Outcomes included: monthly DS frequency, psychosocial functioning (Work and Social Adjustment Scale - WSAS), and health-related quality of life (Mental Component Summary (MCS) and Physical Component Summary (PCS) SF-12v2 scores). When moderating effects were absent, we tested whether baseline variables predicted change irrespective of treatment allocation. RESULTS Moderator analyses revealed greater benefits (p < 0.05) of CBT on DS frequency for participants with more (≥22) symptoms (Modified PHQ-15) or ≥ 1 current (M.I.N.I.-confirmed) comorbid psychiatric diagnosis at baseline. The effect of CBT on PCS scores was moderated by gender; women did better than men in the CBT + SMC group. Predictors of improved outcome included: not receiving disability benefits, lower anxiety and/or depression scores (PCS, MCS, WSAS); shorter duration, younger age at DS onset, employment, fewer symptoms and higher educational qualification (PCS, WSAS); stronger belief in the diagnosis and in CBT as a "logical" treatment (MCS). Some variables that clinically might be expected to moderate/predict outcome (e.g., maladaptive personality traits, confidence in treatment) were not shown to be relevant. CONCLUSION Patient complexity interacted with treatment. CBT was more likely to reduce DS frequency in those with greater comorbidity. Other patient characteristics predicted outcome regardless of the received intervention.
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Reilly CC, Bristowe K, Roach A, Chalder T, Maddocks M, Higginson IJ. "The whole of humanity has lungs, doesn't it? We are not all the same sort of people": patient preferences and choices for an online, self-guided chronic breathlessness supportive intervention: SELF-BREATHE. ERJ Open Res 2022; 8:00093-2022. [PMID: 35821758 PMCID: PMC9271754 DOI: 10.1183/23120541.00093-2022] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2022] [Accepted: 04/26/2022] [Indexed: 11/05/2022] Open
Abstract
Introduction The burden of chronic breathlessness on individuals, family, society and health systems is significant and set to increase exponentially with an ageing population with complex multimorbidity, yet there is a lack of services. This has been further amplified by the coronavirus disease 2019 pandemic. Online breathlessness interventions have been proposed to fill this gap, but need development and evaluation based on patient preferences and choices. This study aimed to explore the preferences and choices of patients regarding the content of an online self-guided chronic breathlessness supportive intervention (SELF-BREATHE). Methods Semi-structured telephone interviews were conducted with adults living with advanced malignant and nonmalignant disease and chronic breathlessness (July to November 2020). Interviews were analysed using conventional and summative content analysis. Results 25 patients with advanced disease and chronic breathlessness (COPD n=13, lung cancer n=8, interstitial lung disease n=3, bronchiectasis n=1; 17 male; median (range) age 70 (47-86) years; median (range) Medical Research Council dyspnoea score 3 (2-5)) were interviewed. Individuals highlighted strong preferences for focused education, methods to increase self-motivation and engagement, interventions targeting breathing and physical function, software capability to personalise the content of SELF-BREATHE to make it more meaningful to the user, and aesthetically designed content using various communication methods including written, video and audio content. Furthermore, they identified the need to address motivation as a key potential determinant of the success of SELF-BREATHE. Conclusion Our findings provide an essential foundation for future digital intervention development (SELF-BREATHE) and scaled research.
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Moschopoulou E, Brewin D, Ridge D, Donovan S, Taylor SJC, Bourke L, Eva G, Khan I, Chalder T. 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. BMC Cancer 2022; 22:651. [PMID: 35698089 PMCID: PMC9195438 DOI: 10.1186/s12885-022-09745-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2021] [Accepted: 05/13/2022] [Indexed: 12/02/2022] Open
Abstract
Background SURECAN (SUrvivors’ 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 2–3 days. Our aim was to evaluate the extent to which the training could improve therapists’ 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 (n = 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. Supplementary Information The online version contains supplementary material available at 10.1186/s12885-022-09745-4.
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Chalder T, Stevelink SAM, Fear NT, Hotopf M, Mark KM. Reply. Occup Med (Lond) 2022; 72:e2-e4. [PMID: 35604312 DOI: 10.1093/occmed/kqac008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/05/2023] Open
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Ayling K, Jia R, Coupland C, Chalder T, Massey A, Broadbent E, Vedhara K. Psychological Predictors of Self-reported COVID-19 Outcomes: Results From a Prospective Cohort Study. Ann Behav Med 2022; 56:484-497. [PMID: 34979556 PMCID: PMC8755370 DOI: 10.1093/abm/kaab106] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022] Open
Abstract
BACKGROUND Previous research has shown that psychological factors, such as stress and social support, are associated with greater susceptibility to viral respiratory illnesses and more severe symptoms. During the COVID-19 pandemic there has been a well-documented deterioration in psychological well-being and increased social isolation. This raises questions as to whether those experiencing psychological adversity during the pandemic are more at risk of contracting and/or experiencing COVID-19 symptoms. PURPOSE To examine the relationship between psychological factors and the risk of COVID-19 self-reported infection and the symptomatic experience of SARS-CoV-2 (indicated by the number and severity of symptoms). METHODS As part of a longitudinal prospective observational cohort study, 1,087 adults completed validated measures of psychological well-being during April 2020 and self-reported incidence of COVID-19 infection and symptom experience across the pandemic through to December 2020. Regression models were used to explore these relationships controlling for demographic and occupational factors. RESULTS Greater psychological distress during the early phase of the pandemic was significantly associated with subsequent self-reported SARS-CoV-2 infection as well as the experience of a greater number and more severe symptoms. CONCLUSIONS COVID-19 infection and symptoms may be more common among those experiencing elevated psychological distress. Further research to elucidate the mechanisms underlying these associations is needed.
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Lalouni M, Olén O, Bjureberg J, Bonnert M, Chalder T, Hedman‐Lagerlöf E, Reme SE, Serlachius E, Ljótsson B. Validation of child-adapted short scales for measuring gastrointestinal-specific avoidance and anxiety. Acta Paediatr 2022; 111:1621-1627. [PMID: 35545865 PMCID: PMC9545055 DOI: 10.1111/apa.16403] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/06/2022] [Revised: 04/13/2022] [Accepted: 05/10/2022] [Indexed: 11/27/2022]
Abstract
Aim To validate child‐adapted shortened versions of the Irritable Bowel Syndrome‐Behavioural Responses Questionnaire (IBS‐BRQ; short scale denoted BRQ‐C) and the Visceral Sensitivity Index (VSI; short scale denoted VSI‐C) for children with functional abdominal pain disorders (FAPDs). Methods A child psychologist supervised by a child gastroenterologist was responsible for shortening the scales (BRQ‐C, 11 items; and VSI‐C, 7 items). Then, a sample of 89 children aged 8–12 years with FAPDs was used in the validation. Construct validity was assessed with correlations. Measures included gastrointestinal symptoms, quality of life, pain intensity and anxiety. Also, internal consistency, test–retest reliability, administration time and factor structure were assessed. Results Internal consistency for the BRQ‐C and the VSI‐C was α = 0.84 and α = 0.80, respectively. Correlations with related scales were similar between child‐adapted scales and original scales, indicating construct validity equivalence. Correlations between short scales and original scales were high. Mean administration time was reduced by 47% (BRQ‐C) and 42% (VSI‐C), compared with original scales. Test–retest reliability was r = 0.72 for BRQ‐C and r = 0.83 for VSI‐C. BRQ‐C had two factors (Avoidance and Bowel control). VSI‐C had a unifactorial structure. Conclusion The BRQ‐C and the VSI‐C were found to be time‐saving, reliable and valid for children with FAPDs.
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Poole-Wright K, Gaughran F, Murray R, Chalder T. Fatigue in psychosis. Schizophr Res 2022; 243:392-394. [PMID: 34244045 DOI: 10.1016/j.schres.2021.06.032] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/30/2020] [Revised: 05/21/2021] [Accepted: 06/22/2021] [Indexed: 11/16/2022]
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Stevelink SAM, Mark KM, Fear NT, Hotopf M, Chalder T. Chronic fatigue syndrome and occupational status: a retrospective longitudinal study. Occup Med (Lond) 2022; 72:177-183. [PMID: 34865116 DOI: 10.1093/occmed/kqab170] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
BACKGROUND Few studies into chronic fatigue syndrome (CFS) have emphasized work-related consequences, including return to work after illness. AIMS This paper explores socio-demographic, work and clinical characteristics that are associated with occupational status among patients who were assessed at baseline and a follow-up point. METHODS Longitudinal data were assessed from patients affected by CFS who attended an outpatient CFS treatment service between 2007 and 2014. Employment status at baseline and follow-up was available for 316 patients. Data were also included on gender, age, duration of CFS, fatigue severity, type and number of treatment sessions, coping strategies, functional impairment, common mental disorders and physical functioning. RESULTS Most patients were female (73%) and had been affected by CFS for longer than 2 years (66%). Patients were followed up for an average of 285 days and over this period 53% of patients who were working remained in employment. Of the patients who were not working at baseline, 9% had returned to work at follow-up. However, of those working at baseline, 6% were unable to continue to work at follow-up. Age, fatigue severity, functional impairment, cognitive and behavioural responses, and depressive symptoms impacted on a patients' work status at follow-up. CONCLUSIONS The findings indicated that it is possible for people with CFS to remain in work or return to work, despite having had a disabling illness. Work-related outcomes should be targeted in all people of working age.
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Stephenson T, Pinto Pereira SM, Shafran R, de Stavola BL, Rojas N, McOwat K, Simmons R, Zavala M, O'Mahoney L, Chalder T, Crawley E, Ford TJ, Harnden A, Heyman I, Swann O, Whittaker E, Ladhani SN. Physical and mental health 3 months after SARS-CoV-2 infection (long COVID) among adolescents in England (CLoCk): a national matched cohort study. THE LANCET. CHILD & ADOLESCENT HEALTH 2022; 6:230-239. [PMID: 35143770 PMCID: PMC8820961 DOI: 10.1016/s2352-4642(22)00022-0] [Citation(s) in RCA: 131] [Impact Index Per Article: 65.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/18/2021] [Revised: 01/10/2022] [Accepted: 01/11/2022] [Indexed: 01/19/2023]
Abstract
BACKGROUND We describe post-COVID symptomatology in a non-hospitalised, national sample of adolescents aged 11-17 years with PCR-confirmed SARS-CoV-2 infection compared with matched adolescents with negative PCR status. METHODS In this national cohort study, adolescents aged 11-17 years from the Public Health England database who tested positive for SARS-CoV-2 between January and March, 2021, were matched by month of test, age, sex, and geographical region to adolescents who tested negative. 3 months after testing, a subsample of adolescents were contacted to complete a detailed questionnaire, which collected data on demographics and their physical and mental health at the time of PCR testing (retrospectively) and at the time of completing the questionnaire (prospectively). We compared symptoms between the test-postive and test-negative groups, and used latent class analysis to assess whether and how physical symptoms at baseline and at 3 months clustered among participants. This study is registered with the ISRCTN registry (ISRCTN 34804192). FINDINGS 23 048 adolescents who tested positive and 27 798 adolescents who tested negative between Jan 1, 2021, and March 31, 2021, were contacted, and 6804 adolescents (3065 who tested positive and 3739 who tested negative) completed the questionnaire (response rate 13·4%). At PCR testing, 1084 (35·4%) who tested positive and 309 (8·3%) who tested negative were symptomatic and 936 (30·5%) from the test-positive group and 231 (6·2%) from the test-negative group had three or more symptoms. 3 months after testing, 2038 (66·5%) who tested positive and 1993 (53·3%) who tested negative had any symptoms, and 928 (30·3%) from the test-positive group and 603 (16·2%) from the test-negative group had three or more symptoms. At 3 months after testing, the most common symptoms among the test-positive group were tiredness (1196 [39·0%]), headache (710 [23·2%]), and shortness of breath (717 [23·4%]), and among the test-negative group were tiredness (911 [24·4%]), headache (530 [14·2%]), and other (unspecified; 590 [15·8%]). Latent class analysis identified two classes, characterised by few or multiple symptoms. The estimated probability of being in the multiple symptom class was 29·6% (95% CI 27·4-31·7) for the test-positive group and 19·3% (17·7-21·0) for the test-negative group (risk ratio 1·53; 95% CI 1·35-1·70). The multiple symptoms class was more frequent among those with positive PCR results than negative results, in girls than boys, in adolescents aged 15-17 years than those aged 11-14 years, and in those with lower pretest physical and mental health. INTERPRETATION Adolescents who tested positive for SARS-CoV-2 had similar symptoms to those who tested negative, but had a higher prevalence of single and, particularly, multiple symptoms at the time of PCR testing and 3 months later. Clinicians should consider multiple symptoms that affect functioning and recognise different clusters of symptoms. The multiple and varied symptoms show that a multicomponent intervention will be required, and that mental and physical health symptoms occur concurrently, reflecting their close relationship. FUNDING UK Department of Health and Social Care, in their capacity as the National Institute for Health Research, and UK Research and Innovation.
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Jia R, Ayling K, Chalder T, Massey A, Gasteiger N, Broadbent E, Coupland C, Vedhara K. The prevalence, incidence, prognosis and risk factors for symptoms of depression and anxiety in a UK cohort during the COVID-19 pandemic. BJPsych Open 2022; 8:e64. [PMID: 35256024 PMCID: PMC8914134 DOI: 10.1192/bjo.2022.34] [Citation(s) in RCA: 19] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/28/2022] Open
Abstract
BACKGROUND The COVID-19 pandemic has had profound consequences for population mental health. However, it is less clear for whom these effects are sustained. AIMS To investigate the prevalence, incidence, prognosis and risk factors for symptoms of depression and anxiety in a UK cohort over three distinct periods in the pandemic in 2020. METHOD An online survey was completed by a UK community cohort at three points (n = 3097 at baseline, n = 878 completed all surveys): April (baseline), July to September (time point 2) and November to December (time point 3). Participants completed validated measures of depression and anxiety on each occasion, and we prospectively explored the role of sociodemographic and psychological factors (loneliness, positive mood and perceived risk of and worry about COVID-19) as risk factors. RESULTS Depression (Patient Health Questionnaire-9 means: baseline, 7.69; time point 2, 5.53; time point 3, 6.06) and anxiety scores (Generalised Anxiety Disorder-7 means: baseline, 6.59; time point 2, 4.60; time point 3, 4.98) were considerably greater than pre-pandemic population norms at all time points. Women reported greater depression and anxiety symptoms than men. Younger age, history of mental health disorder, more COVID-19-related negative life events, greater loneliness and lower positive mood at baseline were all significant predictors of poorer mental health at time point 3. CONCLUSIONS The negative impact of the COVID-19 pandemic on mental health has persisted to some degree. Younger people and individuals with prior mental health disorders are at greatest risk. Easing of restrictions and resumption of social interaction could mitigate the risk factors of loneliness and positive mood.
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Emad Y, Dalbeth N, Weinman J, Chalder T, Petrie KJ. Why do patients with gout not take allopurinol? J Rheumatol 2022; 49:622-626. [DOI: 10.3899/jrheum.210950] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 02/03/2022] [Indexed: 10/19/2022]
Abstract
Objective The objectives of this study were to examine the reasons patients give for non-adherence to allopurinol and examine differences in intentional non-adherence for patients with and without serum urate at treatment target. Methods Sixty-nine men with gout attending rheumatology clinics, all prescribed allopurinol for at least six months, completed the Intentional Non-Adherence Scale (INAS). Differences in the types of intentional non-adherence were analysed between those with and without a serum urate (SU) at treatment target (<0.36mmol/L, 6mg/dL). Results Among most frequently endorsed reasons for not taking their urate lowering medication was because participants wanted to lead a normal life (23%) or think of themselves as a healthy person again (20%). Patients also reported not taking allopurinol as way of testing if they really needed it (22%). Participants with SU above target endorsed significantly more INAS items as reasons for not taking their medicine, had higher medicine-related concerns and were more likely to give testing treatment as a reason for non-adherence. Participants who were younger, single and non-NZ European also endorsed more reasons for not taking their allopurinol. Conclusion Major reasons behind the decision not to take allopurinol relate to wanting to lead a normal life and the strategy of testing treatment to see if patients could reduce the dose without getting symptoms. The results provide some potentially modifiable targets for adherence interventions and also some indications to clinicians about how urate-lowering treatment may be purposely framed for patients in order to improve adherence.
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Sharpe M, Chalder T, White PD. Evidence-Based Care for People with Chronic Fatigue Syndrome and Myalgic Encephalomyelitis. J Gen Intern Med 2022; 37:449-452. [PMID: 34791590 PMCID: PMC8811058 DOI: 10.1007/s11606-021-07188-4] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/07/2020] [Accepted: 10/01/2021] [Indexed: 02/03/2023]
Abstract
Chronic fatigue syndrome (CFS), sometimes referred to as myalgic encephalomyelitis (ME) and often as CFS/ME, is an illness characterized by disabling fatigue and other symptoms, typically worsened by activity. The main evidence-based treatments are rehabilitative in nature and include specific types of cognitive behavior therapy (CBT) and graded exercise therapy (GET). In this article, we briefly review the evidence for their safety and effectiveness and propose that much of the controversy about them arises from misunderstandings about their nature and delivery. In particular, we emphasize that successful rehabilitation from CFS/ME does not indicate that the illness is not real. We recommend that rehabilitative treatment always be preceded by a thorough clinical assessment and delivered by appropriately trained therapists working in close collaboration with the patient. We conclude that properly applied rehabilitative treatments offer the best hope of safely improving fatigue and function for patients with CFS/ME. However, we also recognize the need for more research into the treatment of this neglected condition, especially for those most severely disabled by it.
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Goldstein LH, Robinson EJ, Chalder T, Reuber M, Medford N, Stone J, Carson A, Moore M, Landau S. Six-month outcomes of the CODES randomised controlled trial of cognitive behavioural therapy for dissociative seizures: a secondary analysis. Seizure 2022; 96:128-136. [PMID: 35228117 PMCID: PMC8970049 DOI: 10.1016/j.seizure.2022.01.016] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2021] [Revised: 01/14/2022] [Accepted: 01/21/2022] [Indexed: 10/25/2022] Open
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Knight H, Jia R, Ayling K, Bradbury K, Baker K, Chalder T, Morling JR, Durrant L, Avery T, Ball JK, Barker C, Bennett R, McKeever T, Vedhara K. Understanding and addressing vaccine hesitancy in the context of COVID-19: development of a digital intervention. Public Health 2021; 201:98-107. [PMID: 34801843 PMCID: PMC8520885 DOI: 10.1016/j.puhe.2021.10.006] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2021] [Revised: 09/29/2021] [Accepted: 10/10/2021] [Indexed: 11/06/2022]
Abstract
OBJECTIVES Severe Acute Respiratory Coronavirus 2 (SARS-CoV-2) was identified in late 2019, spreading to over 200 countries and resulting in almost two million deaths worldwide. The emergence of safe and effective vaccines provides a route out of the pandemic, with vaccination uptake of 75-90% needed to achieve population protection. Vaccine hesitancy is problematic for vaccine rollout; global reports suggest only 73% of the population may agree to being vaccinated. As a result, there is an urgent need to develop equitable and accessible interventions to address vaccine hesitancy at the population level. STUDY DESIGN & Method: We report the development of a scalable digital intervention seeking to address COVID-19 vaccine hesitancy and enhance uptake of COVID-19 vaccines in the United Kingdom. Guided by motivational interviewing (MI) principles, the intervention includes a series of therapeutic dialogues addressing 10 key concerns of vaccine-hesitant individuals. Development of the intervention occurred linearly across four stages. During stage 1, we identified common reasons for COVID-19 vaccine hesitancy through analysis of existing survey data, a rapid systematic literature review, and public engagement workshops. Stage 2 comprised qualitative interviews with medical, immunological, and public health experts. Rapid content and thematic analysis of the data provided evidence-based responses to common vaccine concerns. Stage 3 involved the development of therapeutic dialogues through workshops with psychological and digital behaviour change experts. Dialogues were developed to address concerns using MI principles, including embracing resistance and supporting self-efficacy. Finally, stage 4 involved digitisation of the dialogues and pilot testing with members of the public. DISCUSSION The digital intervention provides an evidence-based approach to addressing vaccine hesitancy through MI principles. The dialogues are user-selected, allowing exploration of relevant issues associated with hesitancy in a non-judgmental context. The text-based content and digital format allow for rapid modification to changing information and scalability for wider dissemination.
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Evans RA, McAuley H, Harrison EM, Shikotra A, Singapuri A, Sereno M, Elneima O, Docherty AB, Lone NI, Leavy OC, Daines L, Baillie JK, Brown JS, Chalder T, De Soyza A, Diar Bakerly N, Easom N, Geddes JR, Greening NJ, Hart N, Heaney LG, Heller S, Howard L, Hurst JR, Jacob J, Jenkins RG, Jolley C, Kerr S, Kon OM, Lewis K, Lord JM, McCann GP, Neubauer S, Openshaw PJM, Parekh D, Pfeffer P, Rahman NM, Raman B, Richardson M, Rowland M, Semple MG, Shah AM, Singh SJ, Sheikh A, Thomas D, Toshner M, Chalmers JD, Ho LP, Horsley A, Marks M, Poinasamy K, Wain LV, Brightling CE. Physical, cognitive, and mental health impacts of COVID-19 after hospitalisation (PHOSP-COVID): a UK multicentre, prospective cohort study. THE LANCET. RESPIRATORY MEDICINE 2021; 9:1275-1287. [PMID: 34627560 PMCID: PMC8497028 DOI: 10.1016/s2213-2600(21)00383-0] [Citation(s) in RCA: 293] [Impact Index Per Article: 97.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 05/22/2021] [Revised: 07/30/2021] [Accepted: 08/18/2021] [Indexed: 01/19/2023]
Abstract
BACKGROUND The impact of COVID-19 on physical and mental health and employment after hospitalisation with acute disease is not well understood. The aim of this study was to determine the effects of COVID-19-related hospitalisation on health and employment, to identify factors associated with recovery, and to describe recovery phenotypes. METHODS The Post-hospitalisation COVID-19 study (PHOSP-COVID) is a multicentre, long-term follow-up study of adults (aged ≥18 years) discharged from hospital in the UK with a clinical diagnosis of COVID-19, involving an assessment between 2 and 7 months after discharge, including detailed recording of symptoms, and physiological and biochemical testing. Multivariable logistic regression was done for the primary outcome of patient-perceived recovery, with age, sex, ethnicity, body-mass index, comorbidities, and severity of acute illness as covariates. A post-hoc cluster analysis of outcomes for breathlessness, fatigue, mental health, cognitive impairment, and physical performance was done using the clustering large applications k-medoids approach. The study is registered on the ISRCTN Registry (ISRCTN10980107). FINDINGS We report findings for 1077 patients discharged from hospital between March 5 and Nov 30, 2020, who underwent assessment at a median of 5·9 months (IQR 4·9-6·5) after discharge. Participants had a mean age of 58 years (SD 13); 384 (36%) were female, 710 (69%) were of white ethnicity, 288 (27%) had received mechanical ventilation, and 540 (50%) had at least two comorbidities. At follow-up, only 239 (29%) of 830 participants felt fully recovered, 158 (20%) of 806 had a new disability (assessed by the Washington Group Short Set on Functioning), and 124 (19%) of 641 experienced a health-related change in occupation. Factors associated with not recovering were female sex, middle age (40-59 years), two or more comorbidities, and more severe acute illness. The magnitude of the persistent health burden was substantial but only weakly associated with the severity of acute illness. Four clusters were identified with different severities of mental and physical health impairment (n=767): very severe (131 patients, 17%), severe (159, 21%), moderate along with cognitive impairment (127, 17%), and mild (350, 46%). Of the outcomes used in the cluster analysis, all were closely related except for cognitive impairment. Three (3%) of 113 patients in the very severe cluster, nine (7%) of 129 in the severe cluster, 36 (36%) of 99 in the moderate cluster, and 114 (43%) of 267 in the mild cluster reported feeling fully recovered. Persistently elevated serum C-reactive protein was positively associated with cluster severity. INTERPRETATION We identified factors related to not recovering after hospital admission with COVID-19 at 6 months after discharge (eg, female sex, middle age, two or more comorbidities, and more acute severe illness), and four different recovery phenotypes. The severity of physical and mental health impairments were closely related, whereas cognitive health impairments were independent. In clinical care, a proactive approach is needed across the acute severity spectrum, with interdisciplinary working, wide access to COVID-19 holistic clinical services, and the potential to stratify care. FUNDING UK Research and Innovation and National Institute for Health Research.
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Abel KM, Carr MJ, Ashcroft DM, Chalder T, Chew-Graham CA, Hope H, Kapur N, McManus S, Steeg S, Webb RT, Pierce M. Association of SARS-CoV-2 Infection With Psychological Distress, Psychotropic Prescribing, Fatigue, and Sleep Problems Among UK Primary Care Patients. JAMA Netw Open 2021; 4:e2134803. [PMID: 34783824 PMCID: PMC8596199 DOI: 10.1001/jamanetworkopen.2021.34803] [Citation(s) in RCA: 28] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/29/2022] Open
Abstract
IMPORTANCE Infection with SARS-CoV-2 is associated with fatigue and sleep problems long after the acute phase of COVID-19. In addition, there are concerns of SARS-CoV-2 infection causing psychiatric illness; however, evidence of a direct effect is inconclusive. OBJECTIVE To assess risk of risk of incident or repeat psychiatric illness, fatigue, or sleep problems following SARS-CoV-2 infection and to analyze changes according to demographic subgroups. DESIGN, SETTING, AND PARTICIPANTS This cohort study assembled matched cohorts using the Clinical Practice Research Datalink Aurum, a UK primary care registry of 11 923 499 individuals aged 16 years or older. Patients were followed-up for up to 10 months, from February 1 to December 9, 2020. Individuals with less than 2 years of historical data or less than 1 week follow-up were excluded. Individuals with positive results on a SARS-CoV-2 test without prior mental illness or with anxiety or depression, psychosis, fatigue, or sleep problems were matched with up to 4 controls based on sex, general practice, and year of birth. Controls were individuals who had negative SARS-CoV-2 test results. Data were analyzed from January to July 2021. EXPOSURE SARS-CoV-2 infection, determined via polymerase chain reaction testing. MAIN OUTCOMES AND MEASURES Cox proportional hazard models estimated the association between a positive SARS-CoV-2 test result and subsequent psychiatric morbidity (depression, anxiety, psychosis, or self-harm), sleep problems, fatigue, or psychotropic prescribing. Models adjusted for comorbidities, ethnicity, smoking, and body mass index. RESULTS Of 11 923 105 eligible individuals (6 011 020 [50.4%] women and 5 912 085 [49.6%] men; median [IQR] age, 44 [30-61] years), 232 780 individuals (2.0%) had positive result on a SARS-CoV-2 test. After applying selection criteria, 86 922 individuals were in the matched cohort without prior mental illness, 19 020 individuals had prior anxiety or depression, 1036 individuals had psychosis, 4152 individuals had fatigue, and 4539 individuals had sleep problems. After adjusting for observed confounders, there was an association between positive SARS-CoV-2 test results and psychiatric morbidity (adjusted hazard ratio [aHR], 1.83; 95% CI, 1.66-2.02), fatigue (aHR, 5.98; 95% CI, 5.33-6.71), and sleep problems (aHR, 3.16; 95% CI, 2.64-3.78). However, there was a similar risk of incident psychiatric morbidity for those with a negative SARS-CoV-2 test results (aHR, 1.71; 95% CI, 1.65-1.77) and a larger increase associated with influenza (aHR, 2.98; 95% CI, 1.55-5.75). CONCLUSIONS AND RELEVANCE In this cohort study of individuals registered at an English primary care practice during the pandemic, there was consistent evidence that SARS-CoV-2 infection was associated with increased risk of fatigue and sleep problems. However, the results from the negative control analysis suggest that unobserved confounding may be responsible for at least some of the positive association between COVID-19 and psychiatric morbidity.
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Goldstein LH, Robinson EJ, Mellers JDC, Stone J, Carson A, Chalder T, Reuber M, Eastwood C, Landau S, McCrone P, Moore M, Mosweu I, Murray J, Perdue I, Pilecka I, Richardson MP, Medford N. Psychological and demographic characteristics of 368 patients with dissociative seizures: data from the CODES cohort. Psychol Med 2021; 51:2433-2445. [PMID: 32389147 PMCID: PMC8506352 DOI: 10.1017/s0033291720001051] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/10/2019] [Revised: 03/27/2020] [Accepted: 03/31/2020] [Indexed: 01/23/2023]
Abstract
BACKGROUND We examined demographic, clinical, and psychological characteristics of a large cohort (n = 368) of adults with dissociative seizures (DS) recruited to the CODES randomised controlled trial (RCT) and explored differences associated with age at onset of DS, gender, and DS semiology. METHODS Prior to randomisation within the CODES RCT, we collected demographic and clinical data on 368 participants. We assessed psychiatric comorbidity using the Mini-International Neuropsychiatric Interview (M.I.N.I.) and a screening measure of personality disorder and measured anxiety, depression, psychological distress, somatic symptom burden, emotional expression, functional impact of DS, avoidance behaviour, and quality of life. We undertook comparisons based on reported age at DS onset (<40 v. ⩾40), gender (male v. female), and DS semiology (predominantly hyperkinetic v. hypokinetic). RESULTS Our cohort was predominantly female (72%) and characterised by high levels of socio-economic deprivation. Two-thirds had predominantly hyperkinetic DS. Of the total, 69% had ⩾1 comorbid M.I.N.I. diagnosis (median number = 2), with agoraphobia being the most common concurrent diagnosis. Clinical levels of distress were reported by 86% and characteristics associated with maladaptive personality traits by 60%. Moderate-to-severe functional impairment, high levels of somatic symptoms, and impaired quality of life were also reported. Women had a younger age at DS onset than men. CONCLUSIONS Our study highlights the burden of psychopathology and socio-economic deprivation in a large, heterogeneous cohort of patients with DS. The lack of clear differences based on gender, DS semiology and age at onset suggests these factors do not add substantially to the heterogeneity of the cohort.
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Carr E, Vitoratou S, Chalder T, Goldsmith K. Discernment of mediator and outcome measurement in the PACE trial. J Psychosom Res 2021; 149:110595. [PMID: 34438356 DOI: 10.1016/j.jpsychores.2021.110595] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/12/2021] [Revised: 07/16/2021] [Accepted: 08/02/2021] [Indexed: 11/18/2022]
Abstract
OBJECTIVE When measuring latent traits, such as those used in psychology and psychiatry, it can be unclear whether the instruments used are measuring different concepts. This issue is particularly important in the context of mediation analysis, since for a sound mediation hypothesis the mediator and outcome should be distinct. We sought to assess the extent of measurement overlap between cognitive and behavioural mediators and physical functioning and fatigue outcomes in a large trial of treatments for chronic fatigue syndrome. METHODS A secondary analysis of 640 participants in the "Pacing, graded Activity, and Cognitive behaviour therapy" trial was conducted. Potential measurement overlap was assessed using generalised linear latent variable models where confirmatory factor models quantified the extent to which the addition of cross-loading items significantly improved model fit. RESULTS We considered 13 mediators and two outcomes, giving a total of 26 mediator-outcome pairs. Of these, only six showed evidence of cross-loading items, supporting the suggestion that the chosen mediator and outcome constructs were conceptually distinct. CONCLUSION This study highlights how established psychometric methods can be applied to assess measurement overlap in mediation analyses. We found minimal overlap between cognitive and behavioural mediators and physical functioning and fatigue outcomes that are often used in studies of chronic fatigue syndrome. The use of such methods in mediational studies where questionnaires are used to quantify latent traits would add to their robustness and transparency.
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Jones A, Smakowski A, Hughes A, David AS, Chalder T. Illness-Related Cognition, Distress and Adjustment in Functional Stroke Symptoms, Vascular Stroke, and Chronic Fatigue Syndrome. EUROPEAN JOURNAL OF HEALTH PSYCHOLOGY 2021. [DOI: 10.1027/2512-8442/a000093] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
Abstract. 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 “damage beliefs” and “all-or-nothing” 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.
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King K, Horne R, Cooper V, Glendinning E, Michie S, Chalder T. The development of an intervention to support uptake and adherence to antiretroviral therapy in people living with HIV: the SUPA intervention. A brief report. Transl Behav Med 2021; 12:6348018. [PMID: 34379122 DOI: 10.1093/tbm/ibab104] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
The effectiveness of antiretroviral therapy (ART) depends on prompt uptake of treatment and a high level of adherence over the long-term, yet these behaviors are suboptimal. Previous interventions have significantly improved adherence but effect sizes are generally small. The aim of this article is to describe the design and content of an intervention to support uptake and adherence to treatment in HIV positive patients (SUPA intervention), utilizing cognitive behavioral and motivational interviewing (MI) techniques. The intervention was developed in line with Medical Research Council (MRC) guidance for the development of complex interventions and informed by the NICE (National Institute for Health and Care Excellence) Guidelines for adherence, empirical evidence and focus groups. Behavior change techniques were mapped to perceptual and practical barriers to uptake and adherence to ART, identified in previous research. Intervention materials were designed and later discussed within focus groups, where feedback enabled an iterative process of development. We conclude it is possible to transparently report the design and content of a theory-based intervention to increase uptake and adherence to ART. The intervention has been evaluated within a randomized controlled trial (RCT) at 10 HIV clinics in England, the results of which will be reported elsewhere.
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Loades ME, Chalder T, Smakowski A, Rimes KA. Anticipation of and response to exercise in adolescents with CFS: An experimental study. J Psychosom Res 2021; 146:110490. [PMID: 33892206 DOI: 10.1016/j.jpsychores.2021.110490] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/27/2020] [Revised: 03/08/2021] [Accepted: 04/14/2021] [Indexed: 11/26/2022]
Abstract
BACKGROUND Using a laboratory-based exercise task, this study investigated objective exercise performance as well as expectations, anxiety and perceived task performance ratings in adolescents with CFS compared to healthy controls and illness controls. METHOD Trials of a sit-stand exercise task (SST) were undertaken (CFS: n = 61, asthma (AS): n = 31, healthy adolescents (HC): n = 78). Adolescents rated their expectations, pre- and post-task anxiety, and perceived task difficulty. Their parents independently rated their performance expectations of their child. RESULTS The CFS group took significantly longer to complete the SST than the AS group (MD 3.71, 95% CI [2.41, 5.01] p < .001) and HC (MD 3.61, 95% CI [2.41, 4.81], p < .001). Adolescents with CFS had lower expectations for their performance on the exercise task than AS participants (MD -11.79, 95% CI [-22.17, -1.42] p = .022) and HC (MD -15.08, 95% CI [-23.01, -7.14] p < .001). They rated their perceived exertion as significantly greater than AS (MD 3.04, 95% CI [1.86, 4.21] p < .001) and HC (MD 2.98, 95% CI [1.99, 3.98], p < .001). The CFS group reported greater anxiety pre-task than AS (MD 14.11, 95% CI [5.57, 22.65] p < .001) and HC (MD 11.19, 95% CI [2.64, 19.75], p. = 007). Parental group differences showed similar patterns to the adolescents''. CONCLUSIONS Lower expectations and greater anxiety regarding exercise may reflect learning from previous difficult experiences which could impact future exercise performance. Further examination of pre-exercise expectations and post-exercise appraisals could improve our understanding of the mechanisms by which fatigue is maintained.
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Baldellou Lopez M, Goldstein LH, Robinson EJ, Vitoratou S, Chalder T, Carson A, Stone J, Reuber M. Validation of the PHQ-9 in adults with dissociative seizures. J Psychosom Res 2021; 146:110487. [PMID: 33932719 DOI: 10.1016/j.jpsychores.2021.110487] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/04/2020] [Revised: 04/02/2021] [Accepted: 04/02/2021] [Indexed: 01/04/2023]
Abstract
BACKGROUND The PHQ-9 is a self-administered depression screening instrument. Little is known about its utility and accuracy in detecting depression in adults with dissociative seizures (DS). OBJECTIVES Using the Mini - International Neuropsychiatric Interview as a reference, we evaluated the diagnostic accuracy of the PHQ-9 in adults with DS, and examined its convergent and discriminant validity and uniformity. METHODS Our sample comprised 368 people with DS who completed the pre-randomisation assessment of the CODES trial. The uniformity of the PHQ-9 was determined using factor analysis for categorical data. Optimal cut-offs were determined using the area under the curve (AUC), Youden Index, and diagnostic odds ratio (DOR). Convergent and discriminant validity were assessed against pre-randomisation measures. RESULTS Internal consistency of the PHQ-9 was high (α = 0.87). While the diagnostic odds ratio suggested that a cut-off of ≥10 had the best predictive performance (DOR = 14.7), specificity at this cut off was only 0.49. AUC (0.74) and Youden Index (0.48) suggested a ≥ 13 cut-off would yield an optimal sensitivity (0.81) and specificity (0.67) balance. However, a cut-off score of ≥20 would be required to match specificity resulting from a cut-off of ≥13 in other medical conditions. We found good convergent and discriminant validity and one main factor for the PHQ-9. CONCLUSIONS In terms of internal consistency and structure, our findings were consistent with previous validation studies but indicated that a higher cut-off would be required to identify DS patients with depression with similar specificity achieved with PHQ-9 screening in different clinical and non-clinical populations.
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Hughes AM, Campbell L, Graham H, Post F, Chalder T. A Biopsychosocial Approach to HIV Fatigue: A Cross-Sectional and Prospective Analysis to Identify Key Modifiable Factors. Behav Med 2021; 47:205-213. [PMID: 32078500 DOI: 10.1080/08964289.2020.1712582] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
Abstract
This study aimed to identify the prevalence and predictors of current fatigue and fatigue at 1-year follow-up, in people with HIV. Participants were recruited from HIV outpatient clinics in London, England. We explored a range of bio-psychosocial factors associated with current fatigue severity, identifying the most salient factors in a multifactorial model. A prospective study explored the predictive value of specific psychological and behavioral factors in predicting fatigue severity at one year. Sixty-four of 131 (49%) participants met the criteria for clinically significant fatigue at baseline. Psychological and behavioral variables, but not immune-virologic markers or antiretroviral treatment, were associated with current fatigue severity. In the multifactorial model, catastrophizing and distress independently predicted current fatigue severity. Higher levels of fatigue at 1 year was predicted by baseline catastrophizing, symptom focusing, distress and sleep quality, when controlling for baseline fatigue, clinical and demographic variables. These findings suggest psychological and behavioral factors are important in the maintenance of fatigue in people with HIV and identify potential opportunities for treatment. Future interventions for fatigue in HIV should not only address anxiety, depression and distress but could be optimized by targeting psychological processes such as catastrophic thinking styles and symptom focusing.
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Goldstein LH, Robinson EJ, Pilecka I, Perdue I, Mosweu I, Read J, Jordan H, Wilkinson M, Rawlings G, Feehan SJ, Callaghan H, Day E, Purnell J, Baldellou Lopez M, Brockington A, Burness C, Poole NA, Eastwood C, Moore M, Mellers JD, Stone J, Carson A, Medford N, Reuber M, McCrone P, Murray J, Richardson MP, Landau S, Chalder T. Cognitive-behavioural therapy compared with standardised medical care for adults with dissociative non-epileptic seizures: the CODES RCT. Health Technol Assess 2021; 25:1-144. [PMID: 34196269 DOI: 10.3310/hta25430] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022] Open
Abstract
BACKGROUND Dissociative (non-epileptic) seizures are potentially treatable by psychotherapeutic interventions; however, the evidence for this is limited. OBJECTIVES To evaluate the clinical effectiveness and cost-effectiveness of dissociative seizure-specific cognitive-behavioural therapy for adults with dissociative seizures. DESIGN This was a pragmatic, multicentre, parallel-arm, mixed-methods randomised controlled trial. SETTING This took place in 27 UK-based neurology/epilepsy services, 17 liaison psychiatry/neuropsychiatry services and 18 cognitive-behavioural therapy services. PARTICIPANTS Adults with dissociative seizures in the previous 8 weeks and no epileptic seizures in the previous year and meeting other eligibility criteria were recruited to a screening phase from neurology/epilepsy services between October 2014 and February 2017. After psychiatric assessment around 3 months later, eligible and interested participants were randomised between January 2015 and May 2017. INTERVENTIONS Standardised medical care consisted of input from neurologists and psychiatrists who were given guidance regarding diagnosis delivery and management; they provided patients with information booklets. The intervention consisted of 12 dissociative seizure-specific cognitive-behavioural therapy 1-hour sessions (plus one booster session) that were delivered by trained therapists, in addition to standardised medical care. MAIN OUTCOME MEASURES The primary outcome was monthly seizure frequency at 12 months post randomisation. The secondary outcomes were aspects of seizure occurrence, quality of life, mood, anxiety, distress, symptoms, psychosocial functioning, clinical global change, satisfaction with treatment, quality-adjusted life-years, costs and cost-effectiveness. RESULTS In total, 698 patients were screened and 368 were randomised (standardised medical care alone, n = 182; and cognitive-behavioural therapy plus standardised medical care, n = 186). Primary outcome data were obtained for 85% of participants. An intention-to-treat analysis with multivariate imputation by chained equations revealed no significant between-group difference in dissociative seizure frequency at 12 months [standardised medical care: median of seven dissociative seizures (interquartile range 1-35 dissociative seizures); cognitive-behavioural therapy and standardised medical care: median of four dissociative seizures (interquartile range 0-20 dissociative seizures); incidence rate ratio 0.78, 95% confidence interval 0.56 to 1.09; p = 0.144]. Of the 16 secondary outcomes analysed, nine were significantly better in the arm receiving cognitive-behavioural therapy at a p-value < 0.05, including the following at a p-value ≤ 0.001: the longest dissociative seizure-free period in months 7-12 inclusive post randomisation (incidence rate ratio 1.64, 95% confidence interval 1.22 to 2.20; p = 0.001); better psychosocial functioning (Work and Social Adjustment Scale, standardised treatment effect -0.39, 95% confidence interval -0.61 to -0.18; p < 0.001); greater self-rated and clinician-rated clinical improvement (self-rated: standardised treatment effect 0.39, 95% confidence interval 0.16 to 0.62; p = 0.001; clinician rated: standardised treatment effect 0.37, 95% confidence interval 0.17 to 0.57; p < 0.001); and satisfaction with treatment (standardised treatment effect 0.50, 95% confidence interval 0.27 to 0.73; p < 0.001). Rates of adverse events were similar across arms. Cognitive-behavioural therapy plus standardised medical care produced 0.0152 more quality-adjusted life-years (95% confidence interval -0.0106 to 0.0392 quality-adjusted life-years) than standardised medical care alone. The incremental cost-effectiveness ratio (cost per quality-adjusted life-year) for cognitive-behavioural therapy plus standardised medical care versus standardised medical care alone based on the EuroQol-5 Dimensions, five-level version, and imputed data was £120,658. In sensitivity analyses, incremental cost-effectiveness ratios ranged between £85,724 and £206,067. Qualitative and quantitative process evaluations highlighted useful study components, the importance of clinical experience in treating patients with dissociative seizures and potential benefits of our multidisciplinary care pathway. LIMITATIONS Unlike outcome assessors, participants and clinicians were not blinded to the interventions. CONCLUSIONS There was no significant additional benefit of dissociative seizure-specific cognitive-behavioural therapy in reducing dissociative seizure frequency, and cost-effectiveness over standardised medical care was low. However, this large, adequately powered, multicentre randomised controlled trial highlights benefits of adjunctive dissociative seizure-specific cognitive-behavioural therapy for several clinical outcomes, with no evidence of greater harm from dissociative seizure-specific cognitive-behavioural therapy. FUTURE WORK Examination of moderators and mediators of outcome. TRIAL REGISTRATION Current Controlled Trials ISRCTN05681227 and ClinicalTrials.gov NCT02325544. FUNDING This project was funded by the National Institute for Health Research (NIHR) Health Technology Assessment programme and will be published in full in Health Technology Assessment; Vol. 25, No. 43. See the NIHR Journals Library website for further project information.
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