Home Medizin Grippe erhöht das Risiko neurologischer Erkrankungen stärker als COVID-19: Studie

Grippe erhöht das Risiko neurologischer Erkrankungen stärker als COVID-19: Studie

von NFI Redaktion

Recent studies indicate that an influenza infection increases the risk of developing neurological disorders in the following year more than a COVID-19 infection does.

Researchers funded by the American Academy of Neurology examined individuals hospitalized with either influenza or COVID-19. They found that those infected with influenza were more likely to require hospital treatment for common neurological conditions in the following year compared to those with a SARS-CoV-2 infection. However, the study did not specifically address outcomes related to Long-COVID.

The study included 77,272 individuals hospitalized with COVID-19 and an equal number of individuals hospitalized with influenza. The researchers then looked at how many of these individuals sought medical attention for six common neurological disorders within the next year: migraine, epilepsy, stroke, neuropathy, movement disorders, and dementia.

Overall, individuals with a COVID-19 infection were less likely to suffer from common neurological disorders compared to those with an influenza infection. Here are the comparative results:

  • Migraine: 2.0% of COVID patients vs. 3.2% of influenza patients
  • Epilepsy: 1.6% of COVID patients vs. 2.1% of influenza patients
  • Neuropathy: 1.9% of COVID patients vs. 3.6% of influenza patients
  • Movement disorders: 1.5% of COVID patients vs. 2.5% of influenza patients
  • Stroke: 2.0% of COVID patients vs. 2.4% of influenza patients
  • Dementia: 2.0% of COVID patients vs. 2.3% of influenza patients

Adjusted for factors such as age, gender, and other health conditions, a COVID infection was associated with a 35% lower risk of being treated for migraine, a 22% lower risk of being treated for epilepsy, and a 44% lower risk of being treated for neuropathy compared to influenza. Furthermore, those who had COVID were at a 36% lower risk of seeking medical attention for movement disorders, a 10% lower risk of stroke, and a 7% lower risk of dementia.

„With COVID-19 having infected the majority of adults in the USA by now, it’s reassuring that it behaves similarly to other respiratory viruses regarding these common neurological disorders. There were concerns that access to neurological care, already limited, would be further restricted. „We saw a dramatic increase in neurological care following a COVID-19 infection,“ said study author Dr. Adam de Havenon of Yale University in New Haven in a press release.

A limitation of the study is that the results may not be generalizable as a nationally representative sample was not used.

„While the results were contrary to our expectations, they are comforting in the sense that we found that a hospitalization with COVID compared to influenza did not lead to better treatment for common neurological disorders,“ said study co-author Dr. Brian Callaghan of the University of Michigan Health in Ann Arbor.

„It’s important to note that our study did not address Long-COVID outcomes, and our findings do not necessarily contradict the results of other studies showing an increase in neurological symptoms in individuals with Long-COVID,“ Dr. Callaghan added.

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