Charlotte Stephens, Research Correspondent, ME Association.
We show below brief summaries of the research studies about ME/CFS that have been published in the last week, followed by the abstracts from those studies.
All research relating to ME/CFS can be located in the Index of ME/CFS Published Research which is updated at the end of every month and can be downloaded for free.
It is an A-Z of the most important published research studies and selected key documents and articles, listed by subject matter, on myalgic encephalomyelitis and/or chronic fatigue syndrome (ME/CFS).
You can use it to easily locate and read any research in a particular area that you might be interested in, e.g. epidemiology, infection, neurology, post-exertional malaise etc.
You can also find the Research Index in the Research section of the website together with a list of Research Summaries from the ME Association that provide lay explanations of the more important and interesting work that has been published to date.
ME/CFS Research Published 12th – 18th June 2020
This week, 4 new research studies have been published:
1. Researchers from Bristol University are looking at improving the care of children with ME/CFS by involving parents, clinicians and teachers in their care.
2. DePaul University in Chicago looked at risk factors for suicide among patients with ME/CFS and found they included stigma, limited functioning and lack of access to care and support.
3. Researchers from the University of Manchester looked into predictors of new onset of IBS, Fibromyalgia and CFS.
4. Researchers form the Netherlands found that most people with ME/CFS have orthostatic intolerance and those severely affected have reduced cerebral (brain) blood flow by 27% during a tilt table test. They recommended that people with ME/CFS sleep with the head end of their beds raised by 10 degrees to help with blood flow.
ME/CFS Research References and Abstracts
1. Brigden A et al.(2020)
“The child’s got a complete circle around him”. The care of younger children (5–11 years) with CFS/ME. A qualitative study comparing families’, teachers’ and clinicians’ perspectives’.
Health and Social Care in the community [Epub ahead of print].
Society needs to improve the care of children with complex needs. Guidelines recommend integrating care across health and educational settings, however, there is little research on whether this is achieved or how this can be done in practice. Our aim was to address this gap by examining how the care of children (aged 5–11 years) with Chronic Fatigue Syndrome/ Myalgic Encephalomyelitis (CFS/ME) is shared across home, education and health settings, in order to generate recommendations for integrating care.
We undertook semi‐structured interviews with families (22 participants), teachers (11 participants) and healthcare providers (9 participants), analysing the data thematically and comparatively. Our analysis of the data was informed by a socio‐ecological perspective as we sought to understand the complexity of the relationships and systems around the child.
The first theme focuses on the child (“individual level”); child‐centred care is seen as essential whilst acknowledging that the child has limited capacity to manage their own care. The second theme presents the distinct roles of parents, teachers and clinicians (“interpersonal and organisational levels”). The third describes how these three levels interact in the management of the child’s care, in the context of the health and education systems and policies (“policy levels”). The fourth explores optimal ways to integrate care across home, school and clinical settings.
In conclusion, there is opportunity to support a child with complex health needs by targeting the systems around the child; parents, teachers and clinicians, as well as education and health policy that can enable shared‐care. Involving schools in assessment, communicating diagnosis across settings and using a stepped‐care approach to integrated care may be beneficial. Further work is needed to explore these recommendations, with attention to the policy factors that may act as barriers and enablers.
2. Johnson ML et al. (2020)
Risk Factors for Suicide in Chronic Fatigue Syndrome.
Death Studies [Epub ahead of print].
Myalgic Encephalomyelitis/Chronic Fatigue Syndrome (ME/CFS) includes symptoms such as post-exertional malaise, unrefreshing sleep, and cognitive impairments. Several studies suggest these patients have an increased risk of suicidal ideation and early mortality, although few have published in this area.
This study explores risk factors for suicide among 64 individuals with ME/CFS using archival data, 17 of which died from suicide. Results indicated an increased risk of suicide for those utilizing the label CFS, for those with limited overall functioning, and for those without comorbid illnesses.
Findings suggest that stigma and functional impairments limit access to care and social supports.
3. Monden R et al. (2020)
Predictors of New Onsets of Irritable Bowel Syndrome, Chronic Fatigue Syndrome and Fibromyalgia: The Lifelines Study.
Psychological Medicine [Epub ahead of print].
Background: It has been claimed that functional somatic syndromes share a common etiology. This prospective population-based study assessed whether the same variables predict new onsets of irritable bowel syndrome (IBS), chronic fatigue syndrome (CFS) and fibromyalgia (FM).
Methods: The study included 152 180 adults in the Dutch Lifelines study who reported the presence/absence of relevant syndromes at baseline and follow-up. They were screened at baseline for physical and psychological disorders, socio-demographic, psycho-social and behavioral variables. At follow-up (mean 2.4 years) new onsets of each syndrome were identified by self-report. We performed separate analyses for the three syndromes including participants free of the relevant syndrome or its key symptom at baseline. LASSO logistic regressions were applied to identify which of the 102 baseline variables predicted new onsets of each syndrome.
Results: There were 1595 (1.2%), 296 (0.2%) and 692 (0.5%) new onsets of IBS, CFS, and FM, respectively. LASSO logistic regression selected 26, 7 and 19 predictors for IBS, CFS and FM, respectively. Four predictors were shared by all three syndromes, four predicted IBS and FM and two predicted IBS and CFS but 28 predictors were specific to a single syndrome. CFS was more distinct from IBS and FM, which predicted each other.
Conclusions: Syndrome-specific predictors were more common than shared ones and these predictors might form a better starting point to unravel the heterogeneous etiologies of these syndromes than the current approach based on symptom patterns. The close relationship between IBS and FM is striking and requires further research.
4. Van Campen CL et al. (2020)
Cerebral Blood Flow Is Reduced in Severe Myalgic Encephalomyelitis/Chronic Fatigue Syndrome Patients During Mild Orthostatic Stress Testing: An Exploratory Study at 20 Degrees of Head-Up Tilt Testing.
Healthcare 8 (2): 169.
Introduction: In a study of 429 adults with myalgic encephalomyelitis/chronic fatigue syndrome (ME/CFS), we demonstrated that 86% had symptoms of orthostatic intolerance in daily life.
Using extracranial Doppler measurements of the internal carotid and vertebral arteries during a 30-min head-up tilt to 70 degrees, 90% had an abnormal reduction in cerebral blood flow (CBF).
A standard head-up tilt test of this duration might not be tolerated by the most severely affected bed-ridden ME/CFS patients. This study examined whether a shorter 15-min test at a lower 20 degree tilt angle would be sufficient to provoke reductions in cerebral blood flow in severe ME/CFS patients.
Methods and results: Nineteen severe ME/CFS patients with orthostatic intolerance complaints in daily life were studied: 18 females. The mean (SD) age was 35(14) years, body surface area (BSA) was 1.8(0.2) m2 and BMI was 24.0(5.4) kg/m2. The median disease duration was 14 (IQR 5–18) years. Heart rate increased, and stroke volume index and end-tidal CO2 decreased significantly during the test (p ranging from <0.001 to <0.0001). The cardiac index decreased by 26(7)%: p < 0.0001. CBF decreased from 617(72) to 452(63) mL/min, a 27(5)% decline. All 19 severely affected ME/CFS patients met the criteria for an abnormal CBF reduction.
Conclusions: Using a less demanding 20 degree tilt test for 15 min in severe ME/CFS patients resulted in a mean CBF decline of 27%. This is comparable to the mean 26% decline previously noted in less severely affected patients studied during a 30-min 70 degree head-up tilt. These observations have implications for the evaluation and treatment of severely affected individuals with ME/CFS.
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