6-Month Effects of COVID-19 in Discharged Patients: The Lancet

What are the long-term effects of COVID-19? The study explains the need for post-discharge care for COVID patients.

Updated
Coronavirus
2 min read
The study investigates further into symptoms that remain in COVID patients for an extended period of time.
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It’s been more than a year since the COVID-19 pandemic hit the world, and yet the long-term effects of the virus are still largely unknown. A new study by The Lancet aiming to understand the long-term health consequences of patients with COVID-19 found that 6 months after the infection, discharged patients were “troubled with fatigue or muscle weakness, sleep difficulties, and anxiety or depression.”

The study added,

“Patients who were more severely ill during their hospital stay had more severe impaired pulmonary diffusion capacities and abnormal chest imaging manifestations, and are the main target population for intervention of long-term recovery.”
The Lancet

What Was the Study?

The study was conducted on 1733 patients with confirmed COVID-19 who had been discharged from Jin Yin-tan Hospital in Wuhan, China between Jan 7, 2020, and May 29, 2020. This excluded patients with psychotic disorders and dementia or ones who were rendered immobile due to diseases such as stroke or pulmonary embol

The study included asking the patients many questionnaires to evaluate symptoms and quality of life, underwent physical examinations, a 6-min walking test, and blood tests.

The sample’s median age was 57 years and 897 (52%) were men.

What Were the Most Common Symptoms?

  • Fatigue or muscle weakness (63%, 1038 of 1655) and sleep difficulties (26%, 437 of 1655)
  • Then came anxiety or depression reported among 23% (367 of 1617) patients.
“We found that fatigue or muscle weakness, sleep difficulties, and anxiety or depression were common, even at 6 months after symptom onset.”
The Lancet

As earlier studies have indicated, the severity of the initial infection determined the severity of long-term issues - for example, in this study as well, patients who were severely ill while hospitalised had more severe impaired pulmonary diffusion capacities and abnormal chest imaging manifestations. This is also consistent with data from previous SARS follow-up studies, as this paper in JAMA demonstrates.

The study also looked at risk factors and found that the main target for intervention of long-term recovery were those who were severely infected with COVID-19 initially.

One of the worrying results revealed in the study is that a “considerable proportion (22–56% across different severity scales) of participants had a pulmonary diffusion abnormality 6 months after symptom onset.”

As per The Lancet, this is the largest cohort study with the longest follow-up duration assessing the health consequences of adult patients discharged from the hospital post-COVID-19 infections.

The results of this study support the need for post-COVID care, especially in those patients who suffered from severe infections.

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