Exploring Worry in CFS/ME

Chronic Fatigue Syndrome

This study will be building on the findings of Kalfas et al 2022 paper exploring the prevalence of generalised worry in patients with Myalgic Encephalomyelitis/ Chronic Fatigue Syndrome (ME/CFS) before and after Cognitive Behavioural Therapy (CBT). The research was conducted in South London and Maudsley NHS Foundation Trust's (SLaM) Persistent Physical Symptoms Research and Treatment Unit. Previous research has indicated a bidirectional relationship between fatigue and worry (Kalfas et al., 2022); the findings of this paper suggest both that many ME/CFS patients experience comorbid problematic generalised worry and that there is a positive association between severity of worry and levels of fatigue (Kalfas et al, 2022). It appears that CBT for ME/CFS indirectly treats worry, however effect sizes are small to moderate, and treatment outcomes may improve if CBT treatments incorporate strategies that target generalised worry (Kalfas et al 2022). The aims of this project are to further explore worry in this group of patients through qualitative methods.

A recent study carried out in SLaM explored how common worry is in people who have received Cognitive Behavioural Therapy (CBT) for CFS/ME. Over 70% were struggling with worry, and the more severe their level of worry was, the more severe their fatigue was likely to be. Indirectly, CBT appeared to slightly reduce how much people struggle with worry which queried: could CBT for CFS/ME be improved if we had a better understanding of worry in this context? Worry in CFS/ME is not well understood; the present study aims to explore worry in people who have a diagnosis of CFS/ME through qualitative interviews, with the hope of gathering information to inform future treatments. CFS/ME is a long-term condition, meaning treatments aim to manage rather than cure. It can range from a mild illness to severely disabling. National UK guidance states CBT should be offered to those living with CFS/ME. CBT treatments recognise that how our bodies function is closely linked to our thoughts, feelings, and behaviour. Research into CBT for CFS/ME shows it can improve levels of fatigue, distress, and how much people can do physically, however, in most studies improvements are small. CBT has stronger evidence for treating mental health difficulties, such as anxiety and depression. These difficulties are more common in people who have a diagnosis of CFS/ME, particularly Generalised Anxiety Disorder (GAD) which has been reported to be as high as 34%, in comparison to up to 7% of the general population. There has been little research into anxiety and how it affects fatigue, but research has identified a 'bidirectional relationship' between the two. This study is building on the finding that over 70% of people with CFS/ME could be struggling with significant worry that doesn't meet the criteria for GAD but causes distress and impacts fatigue.

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United Kingdom