Study: COVID-19 may increase risk of Alzheimer’s disease, Parkinson’s disease and stroke – Fox News

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A new Danish study finds that outpatients for COVID-19 have a higher risk of being diagnosed Parkinson’s disease, Alzheimer’s disease, stroke and hemorrhage in the brain when compared to COVID-19-negative patients, but most neurological disorders were no more frequent after COVID-19 than after other respiratory infections, according to a recent study published in Frontiers in Neurology in June.

“More than two years after the onset of the COVID-19 pandemic, the precise nature and evolution of COVID-19’s effects on neurological disorders have remained uncharacteristic,” said lead author Dr. Hospital in Copenhagen, Denmark.

“Previous studies have demonstrated an association with neurological syndromes, but so far it is not known whether COVID-19 affects too The incidence of certain neurological diseases and whether they differ from other respiratory infections.”

The study, which was recently presented at the 8th Congress of the European Academy of Neurology, found that 43,375 individuals tested positive for COVID-19 while 876,356 individuals tested negative for the disease out of a total of 919,731 participants.

Human midbrain-like tiny organoids — which are essentially 3-D and multi-celled in laboratory tissue that mimic the human midbrain — are being grown from human stem cells to enable scientists to study how the human brain develops and communicates. A new Danish study finds that COVID-19 outpatients were more likely to develop Parkinson’s disease, Alzheimer’s disease, stroke and bleeding in the brain than COVID-19-negative patients, but most neurological disorders were no more frequent after COVID-19 than after respiratory infections. Others, according to a recent study published in Frontiers in Neurology in June.
(Hyunsoo Shawn Je, Duke-NUS School of Medicine)

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The study used electronic health records that covered nearly 50% of Denmark’s population, which has an estimated population of 3 million.

The study analyzed those who tested positive for COVID-19 and bacterial pneumonia at facilities located in hospitals between February 2020 and November 2021, in addition to the review. flu patients from the corresponding pre-pandemic period between February 2018 and November 2019.

Of the 43,375 patients who tested positive for COVID-19, 35,362 were outpatients while 8,013 were hospitalized.

The researchers found that outpatients who tested positive for COVID-19 had a 3.5 times increased risk of developing Alzheimer’s disease, a 2.6 times the risk of developing Parkinson’s disease, a 2.7 times increased risk of stroke and a 4.8 times increased risk of intracerebral hemorrhage. the brain.

But when researchers compared Relative risk of neurological disorders With other respiratory illnesses, such as influenza, the increased risk for most neurodegenerative diseases was no higher in patients with COVID-19 than in patients diagnosed with other respiratory illnesses—with one exception.

Diagnosis of brain diseases with the doctor seeing a magnetic resonance imaging (MRI) film that diagnoses the problem of neurodegenerative diseases of the elderly elderly for neuromedical treatment.  But when the researchers compared the relative risk of neurological disorders to other respiratory diseases, such as influenza, the increased risk for most neurological diseases was not higher in patients with COVID-19 than in those diagnosed with other respiratory diseases — with one exception.

Diagnosis of brain diseases with the doctor seeing a magnetic resonance imaging (MRI) film that diagnoses the problem of neurodegenerative diseases of the elderly elderly for neuromedical treatment. But when the researchers compared the relative risk of neurological disorders to other respiratory diseases, such as influenza, the increased risk for most neurological diseases was not higher in patients with COVID-19 than in those diagnosed with other respiratory diseases — with one exception.
(iStock)

Researchers have found that the risk of ischemic stroke is increased among hospitalized COVID-19 patients compared to inpatients with influenza.

The study was limited because it did not consider potentially confounding variables such as socioeconomic, lifestyle, pre-existing comorbidities and length of hospitalization.

Medical illustration of the brain with stroke symptoms.  Researchers have found that the risk of ischemic stroke is increased among hospitalized COVID-19 patients compared to inpatients with influenza.

Medical illustration of the brain with stroke symptoms. Researchers have found that the risk of ischemic stroke is increased among hospitalized COVID-19 patients compared to inpatients with influenza.
(iStock)

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Although the study included a large population, it was only able to review a subset of the absolute number of individuals tested in the country as only COVID-19 tests performed in hospital facilities were recorded in the Danish electronic health record system which The study used it to analyze it. recordings.

“While the stroke risk With COVID-19 compared to influenza, reassuringly, most neurological disorders do not appear to be more frequent after COVID-19 than with influenza or community-acquired bacterial pneumonia.”

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“The frequency of multiple sclerosis, myasthenia gravis, Guillain-Barré syndrome and narcolepsy did not differ after COVID-19, influenza and bacterial pneumonia,” the study added.

“These findings will aid our understanding of the long-term impact of COVID-19 on the body and the role that infection plays in neurodegenerative diseases and stroke,” Zarifkar said.

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