Study suggests link between COVID-19 and mental health problems

34% of COVID-19Survivors Develop, ‘Psychiatricand NeurologicalComplications,’, Study Says.A study published in ‘Lancet Psychiatry’ has made an alarming discovery about COVID-19.The study involved the health records ofmore than 236,000 COVID-19 patients. .Researchers discovered that 34%of COVID-19 survivors were diagnosed with aneurological or psychological conditionwithin six months of their infection. .Survivors were most commonlydiagnosed with anxiety (17%), followedclosely by mood disorders (14%).Maxime Taquet, co-author of the study,noted that the rate of diagnoses seemed to correlatewith the severity of the COVID-19 illness. .That rate increased progressivelyas the severity of the Covid-19illness increased. If we look atpatients who were hospitalizedthat rate increased to 39%, Maxime Taquet, via CNN.Taquet also pointed out two important findings in their study. COVID-19 did not increase the riskof Parkinson’s disease or Guillain-Barré syndrome.Both of those conditions are neurological conditions that we know are sometimes associated with viral infection. We did not find that they were more common after Covid-19 and after the other respiratory tract infections that we looked at, Maxime Taquet, via CNN

1 in 3 survivors received a neurological or psychiatric diagnosis within six months of infection

In the largest study of its kind to date, researchers found 1 in 3 COVID-19 survivors received a neurological or psychiatric diagnosis within six months of infection.

“These are real-world data from a large number of patients,” professor Paul Harrison, lead author of the study, said in a press release. “They confirm the high rates of psychiatric diagnoses after COVID-19, and show that serious disorders affecting the nervous system (such as stroke and dementia) occur too. While the latter are much rarer, they are significant, especially in those who had severe COVID-19.

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“Although the individual risks for most disorders are small,” he continued, “the effect across the whole population may be substantial for health and social care systems due to the scale of the pandemic and that many of these conditions are chronic. As a result, health care systems need to be resourced to deal with the anticipated need, both within primary and secondary care services.”

An earlier observational study by these same researchers found that COVID-19 survivors are at increased risk of mood and anxiety disorders in the first three months after infection. There have been no large-scale data looking at the risks of both neurological and psychiatric diagnoses in the six months after infection, however.

For their new study, the researchers analyzed data from the electronic health records of 236,379 COVID-19 patients from the U.S.-based TriNetX network, which includes more than 81 million people.

A group of patients older than 10 and who became infected with the SARS-CoV-2 virus after Jan. 20, 2020, and were still alive Dec. 13, 2020, was compared with a group of 105,579 patients diagnosed with influenza and a group of 236,038 patients diagnosed with any respiratory tract infection (including influenza).

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The team estimated 34% of the COVID-19 group were diagnosed with a neurological or mental health disorder after infection. For 13% of these people, it was their first recorded neurological or psychiatric diagnosis.

The most common diagnoses after COVID-19 were anxiety disorders (in 17% of patients), mood disorders (14%), substance misuse disorders (7%) and insomnia (5%). The incidence of neurological outcomes was lower, including 0.6% for brain haemorrhage, 2.1% for ischaemic stroke and 0.7% for dementia.

Compared with the other two groups, and taking into account age, sex, ethnicity and existing health conditions, there was overall a 44% greater risk of neurological and mental health diagnoses after COVID-19 than after flu, and a 16% greater risk than after respiratory tract infections.

“Our results indicate that brain diseases and psychiatric disorders are more common after COVID-19 than after flu or other respiratory infections, even when patients are matched for other risk factors,” Oxford’s Dr. Max Taquet, a co-author of the study, said. “We now need to see what happens beyond six months. The study cannot reveal the mechanisms involved, but does point to the need for urgent research to identify these, with a view to preventing or treating them.”

The study was published Tuesday in the Lancet.

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