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Brain changes identified in chronic fatigue syndrome
Key clinical point: Increased fractional anisotropy in the anterior right arcuate fasciculus may eventually serve as a biomarker for CFS if larger...
Despite the severe disability associated with the condition commonly known as chronic fatigue syndrome, the condition is often ignored, dismissed as psychological, or mismanaged by clinicians. A name change – from myalgic encephalomyelitis/chronic fatigue syndrome (ME/CFS) to systemic exertion intolerance disease – as recommended by an expert committee convened by the Institute of Medicine, will help, but will not in itself improve the lives of people with this debilitating condition, according to Dr. Theodore G. Ganiats, a member of the IOM committee.
Dr. Teddy Ganiats |
The committee also recommended new diagnostic criteria that highlight the importance of postexertional malaise in patients with the condition.
“Improved knowledge and acceptance among clinicians, in addition to an enhanced research agenda, will go far to bridge the gap between current practice and helping persons with this condition,” he wrote in an editorial published online Feb. 10 in Annals of Internal Medicine.
The literature review performed by the 15-member committee found sufficient evidence that the disease has a physiologic basis and should be taken seriously, and the report, which should reassure those with the condition that their concerns are legitimate, should also serve as a wake-up call to clinicians and research funders that the disease deserves further attention, he said (Ann. Intern. Med. 2015 Feb. 10 [doi:10.7326/M15-0357]).
The report has been submitted to the U.S. Department of Health & Human Services – one of six agencies that commissioned the report – and the committee “now hopes that its advice including a recommendation for a new, unique International Classification of Diseases code, will be accepted by the HHS, clinicians, and patients and their families so that those with systemic exertion intolerance disease will be better served,” he wrote.
Dr. Ganiats is a professor at the University of Miami. He was a member of the IOM Committee on the Diagnostic Criteria for ME/CFS and reported having no other disclosures.
ME/CFS, or what will now be termed systemic exertion intolerance disease (SEID) under the new recommendations, affects between 836,000 and 2.5 million Americans, but it is likely that only about 10% receive a diagnosis, she said, noting that those patients who do receive a diagnosis often struggle for years beforehand.
“They often face a really frustrating process,” she said, explaining that clinicians frequently dismiss their concerns.
The commonly used term “chronic fatigue syndrome” perpetuates misunderstanding of the illness, as well as the dismissive attitudes from health care providers and the public.
“It’s clear [the term] chronic fatigue syndrome does tremendous disservice to patients. If I don’t hear another person say to me, ‘I’m chronically fatigued, too.’ or ‘Is this a real disease?’ it won’t be too soon. We’ve got to get over this one,” Dr. Clayton said.
The term myalgic encephalomyelitis also fails to describe the essence of the disorder, she said.
SEID, conversely, describes the central element of the disorder, she explained.
As for the need for a new ICD-10 code, the recommendation was made to ensure that “we’re not stuck with benign ME or CFS,” Dr. Clayton said.
“This needs its own diagnostic criteria, which will be helpful not only for patients, but frankly for the research enterprise going forward,” she said.
She and her colleagues believe the new name, along with the new criteria, will “provide a clear path for clinicians to make the diagnosis.”
“It’s a fresh start. … the diagnostic criteria are evidence-based, which means they will be very convincing to physicians, and I think that people will be able to start to see this illness. We wanted to be sure that symptoms that may have been previously overlooked by clinicians are put front and center in this diagnosis. I think it will make a very big difference not only for primary care, but also for specialists,” said Dr. Lucinda Bateman, committee member and director of the Fatigue Consultation Clinic in Salt Lake City.
The committee called for additional research on the etiology and pathophysiology of the disease, as well as on potential treatments, and for reassessment of the diagnostic criteria within 5 years or sooner if emerging evidence warrants earlier modifications.
The IOM report was sponsored by the Office on Women’s Health within the U.S. Department of Health & Human Services, the National Institutes of Health, the Centers for Disease Control and Prevention, the U.S. Food and Drug Administration, the Agency for Healthcare Research and Quality, and the U.S. Social Security Administration.
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Key clinical point: Increased fractional anisotropy in the anterior right arcuate fasciculus may eventually serve as a biomarker for CFS if larger...