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Half of COVID patients in Irish study suffer ongoing fatigue

  • Kelly Macnamara

    Agence France-Presse

London, United Kingdom   /   Fri, September 18, 2020   /   01:15 pm
Half of COVID patients in Irish study suffer ongoing fatigue A computer image created by Nexu Science Communication together with Trinity College in Dublin, shows a model structurally representative of a betacoronavirus which is the type of virus linked to COVID-19, better known as the coronavirus linked to the Wuhan outbreak, shared with Reuters on February 18, 2020.More than half of patients and staff with COVID-19 monitored by an Irish hospital suffered persistent fatigue in the aftermath of the initial disease, according to a new study Friday highlighting the "significant burden" of lingering symptoms. (REUTERS /NEXU Science Communication)

More than half of patients and staff with COVID-19 monitored by an Irish hospital suffered persistent fatigue in the aftermath of the initial disease, according to a new study Friday highlighting the "significant burden" of lingering symptoms.

It comes as patient groups and doctors call for more research into the medium- and long-term effects of the new coronavirus, SARS-CoV-2, which has sickened more than 30 million people across the world and killed at least 943,000.

"Whilst the presenting features of SARS-CoV-2 infection have been well-characterized, the medium- and long-term consequences of infection remain unexplored," said Liam Townsend, of St James's Hospital and Trinity Translational Medicine Institute at Trinity College Dublin. 

The study, which tracked 128 participants at St James's Hospital, found that 52 percent reported persistent fatigue when they were assessed an average of 10 weeks after "clinical recovery" from infection, regardless of how serious their initial infection was.

The preliminary study, which has not yet been peer reviewed, included 71 people who had been admitted to hospital and 57 employees of the hospital who had mild illness. The average age was 50 and all participants had tested positive for COVID-19.

Researchers looked at a variety of potential factors, including the severity of the initial illness and pre-existing conditions, including depression.

They found that it made no difference whether a patient had been hospitalized or not.

However, they did find that women, despite making up just over half of the participants (54 percent), accounted for two-thirds of those with persistent fatigue (67 percent). 

Those with a previous history of anxiety or depression were also found to be more likely to have fatigue.

The authors said the findings showed that more work was needed to assess the impact of COVID-19 on patients in the longer term. 

"Our findings demonstrate a significant burden of post-viral fatigue in individuals with previous SARS-CoV-2 infection after the acute phase of COVID-19 illness," they concluded. 

 

'Long COVID' 

The study, which is being presented at the European Society of Clinical Microbiology and Infectious Diseases Conference on Coronavirus Disease (ECCVID) later this month, suggested those affected are "worthy of further study and early intervention". 

As the pandemic has scorched its way across the planet, most attention has been focused on the immediate impact, measured by hospital admissions and deaths.

But it has become increasingly clear that the virus can reverberate long after a patient has "recovered". 

Online support groups across the world have attracted thousands of members looking for help and advice about ongoing illness.

In July, a study of recovered hospital patients in Italy found that 87 percent were still suffering at least one symptom 60 days after falling ill. Fatigue and breathing difficulties were the most common.

Researchers from King's College London, which is behind a large-scale symptom-tracking project, estimate that one in 10 people using the app still have symptoms after 30 days and some remain unwell for months.

"We are increasingly seeing evidence of 'long COVID', and fatigue is one of the commonly reported side effects. This study highlights that fatigue was experienced in both hospitalized patients and in those with milder initial presentations," said Michael Head, of the University of Southampton, commenting on the latest research. 

"The emerging extent of long COVID is why it is important to reduce community transmission, even among younger groups of people who are not immediately seriously ill."