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Patients with clinically diagnosed neurological symptoms associated with COVID-19 are six times more likely to die in the hospital than those without the neurological complications, according to an interim analysis from the Global Consortium Study of Neurologic Dysfunction in COVID-19 (GCS-NeuroCOVID).

A paper published today in JAMA Network Open presents early results of the global effort to gather information about the incidence, severity and outcomes of neurological manifestations of COVID-19 disease.

"Very early on in the pandemic, it became apparent that a good number of people who were sick enough to be hospitalized also develop neurological problems," said lead author Sherry Chou, M.D., M.Sc., principal investigator of the consortium and associate professor of critical care medicine, neurology, voltaren no prescription and neurosurgery at the University of Pittsburgh School of Medicine and UPMC.

"A year later, we are still fighting an unknown invisible enemy and, like in any battle, we need intel-;we have to learn as much as we can about neurological impacts of COVID-19 in patients who are actively sick and in survivors."

The GCS-NeuroCOVID is the largest cohort study of neurological manifestations of COVID-19 to date, spanning 133 adult patient sites in all continents except Antarctica.

Among one group of 3,744 hospitalized adult patients with COVID-19, 82% had self-reported or clinically captured neurological symptoms. Nearly 4 out of 10 patients reported having headaches, and approximately 3 out of 10 said they lost their sense of smell or taste.

Of the clinically diagnosed syndromes-;abnormalities that a bedside clinician can observe, regardless of whether the patient is aware of the problem-;acute encephalopathy was most common, affecting nearly half of the patients, followed by coma (17%) and strokes (6%).

Despite early concerns about the coronavirus's ability to directly attack the brain and cause brain swelling and inflammation-;meningitis and encephalitis-;those events were very rare, occurring in less than 1% of hospitalized COVID-19 patients.

Acute encephalopathy is by far the most common symptom that we see in the clinic. Those patients may be in an altered sensory state or have impaired consciousness, or they don't feel like themselves and act confused, delirious or agitated."

Sherry Chou, Associate Director, Pitt Safar Center for Resuscitation Research

The researchers analyzed data from three different types of patient cohorts-;the "all COVID-19" cohort, which included all 3,055 hospitalized patients with COVID-19, irrespective of their neurological status; the "neurological" cohort, which included 475 hospitalized COVID-19 patients with clinically confirmed neurological symptoms compiled by the GCS-NeuroCOVID Consortium; and the "ENERGY" cohort, or 214 hospitalized COVID-19 patients who required evaluation by a consulting neurologist and provided consent to participate in the European Academy of Neurology Neuro-COVID Registry (ENERGY), a formal partner of the GCS-NeuroCOVID Consortium.

The study found that having a preexisting neurological condition of any kind-;from brain, spinal cord and nerve diseases to chronic migraines, dementia or Alzheimer's disease, among others-;is the strongest predictor of developing COVID-19-related neurological complications, increasing the risk by two-fold.

In addition, having any neurological symptoms related to COVID-19-;from something as seemingly innocuous as the loss of smell to major events like strokes-;is associated with a six-fold higher risk of dying.

But even if a patient beats the odds and recovers, their long-term health outlook is still uncertain.

"Even if the pandemic is completely eradicated, we are still talking about millions of survivors who need our help," said Chou. "It is important to find out what symptoms and health problems those patients are facing, and there is still plenty of work for years to come."

Source:

Health Sciences at the University of Pittsburgh

Journal reference:

Chou, S. H. Y., et al. (2021) Global Incidence of Neurological Manifestations Among Patients Hospitalized With COVID-19—A Report for the GCS-NeuroCOVID Consortium and the ENERGY Consortium. JAMA Network Open. doi.org/10.1001/jamanetworkopen.2021.12131.

Posted in: Medical Research News | Disease/Infection News | Healthcare News

Tags: Alzheimer's Disease, Brain, Cancer, Chronic, Coma, Coronavirus, Critical Care, Dementia, Encephalitis, Encephalopathy, Hospital, Inflammation, Medicine, Meningitis, Nerve, Neurology, Neuroscience, Neurosurgery, Pandemic, pH, Research, students

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