People who have had COVID-19 are more likely to develop chronic fatigue syndrome, officially known as myalgic encephalomyelitis/chronic fatigue syndrome (ME/CFS).
That’s according to a study published in the Journal of General Internal Medicine earlier this month, which found that 4.5% of people infected with SARS-CoV-2, the virus that causes COVID, developed chronic fatigue.
In comparison, only 0.6% of study participants who did not have COVID developed the second condition.
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The researchers determined that cases of ME/CFS were 15 times higher than pre-pandemic levels.
"As a researcher dedicated to understanding how viral infections lead to chronic illness, I suspected from the beginning of the pandemic that SARS-CoV2 could trigger ME/CFS, so these results are not surprising," said lead study author Suzanne D. Vernon, PhD, from the Bateman Horne Center in Salt Lake City.
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The study was part of the National Institute of Health’s RECOVER (Researching COVID to Enhance Recovery) program, which aims to better understand, prevent and treat long COVID, according to an NIH press release.
The study included 11,785 participants. At least six months after they were infected with COVID, researchers assessed whether they had developed chronic fatigue. They then compared those results to 1,439 people who did not have COVID.
"There are no specific tests or biomarkers, so ME/CFS is diagnosed when someone has a constellation of specific symptoms," Vernon told Fox News Digital.
"This study asked participants questions to determine what symptoms they were experiencing, which can be viewed as a limitation but is currently the approach used to diagnose ME/CFS."
Dr. Kenneth J. Perry, a physician based in South Carolina, wasn’t surprised by the incidence of chronic fatigue after a SARS-CoV-2 infection.
"It’s well-known that chronic fatigue syndrome can occur in the setting of viral infections," Perry, who was not involved in the research, told Fox News Digital.
"Given the fact that SARS-CoV-2 was a novel virus at the time of the pandemic, the incidence and prevalence of such post-infection syndromes was difficult to predict."
The study does have some limitations when attempting to compare between different viruses, the doctor noted.
"Patients were required to self-report their symptoms," he said. "This makes the ability to compare symptoms across viruses difficult, as the spotlight on COVID will increase the possibility of selection bias."
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It’s difficult to specifically determine how chronic fatigue happens in the setting of a viral infection, according to Perry.
"More studies would have to be done to determine the actual underlying pathophysiology of the disease," he said. "Given that lack of complete understanding, it is difficult to determine how to adequately prevent the syndrome."
ME/CFS is a "complex, serious and chronic condition that often occurs following an infection," the NIH wrote.
The condition is marked by "new-onset fatigue" that lasts for at least six months and impairs the person’s ability to engage in ordinary activities.
Another symptom is "post-exertional malaise," in which the person feels extreme fatigue after physical or mental activity, the study stated.
People with ME/CFS may also experience "unrefreshing sleep," as well as cognitive impairment or dizziness when standing.
Many of these symptoms are also associated with long COVID, the researchers wrote.
"Chronic fatigue syndrome can be very problematic for patients," Perry told Fox News Digital. "There are both physical and psychological components of the syndrome."
Perry reiterated that patients can experience direct fatigue and a decreased ability to do normal activities — and this can also lead to anxiety and depression due to these changes.
"It is very difficult to adequately understand the difference between chronic fatigue syndrome and … underlying psychiatric/psychological health changes," he said. "This makes it a very difficult disease to explain for patients."
Those experiencing symptoms of chronic fatigue should contact their primary care doctor, Perry advised.
"Having a relationship with a physician who knows your baseline activity level is going to ensure an appropriate evaluation and intervention if there are any changes," he said.
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"For example, a triathlete who can no longer even stay awake through the entirety of a workday would absolutely be concerning to a physician who knows that patient well. This relationship would also allow for appropriate medications and therapies to be initiated earlier in the process."
This research underscores an "urgent call to action," Vernon said — "especially to healthcare providers."
"The dramatic increase in ME/CFS cases post-COVID-19 means that providers will encounter this condition far more frequently," she predicted.
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The researcher called for early recognition and proper management of ME/CFS, which she said can be "life-changing" for patients.
"We hope this study helps everyone understand that ME/CFS is a real and diagnosable condition that demands attention, especially in the wake of a global pandemic."
from Health News Today on Fox News https://ift.tt/8jBJuKO
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