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Neurochemical signs...
Neurochemical signs of astrocytic and neuronal injury in acute COVID-19 normalizes during long-term follow-up.
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- Kanberg, Nelly (author)
- Gothenburg University,Göteborgs universitet,Institutionen för biomedicin, avdelningen för infektionssjukdomar,Institute of Biomedicine, Department of Infectious Medicine
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- Simrén, Joel, 1996 (author)
- Gothenburg University,Göteborgs universitet,Institutionen för neurovetenskap och fysiologi, sektionen för psykiatri och neurokemi,Institute of Neuroscience and Physiology, Department of Psychiatry and Neurochemistry
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- Edén, Arvid, 1975 (author)
- Gothenburg University,Göteborgs universitet,Institutionen för biomedicin, avdelningen för infektionssjukdomar,Institute of Biomedicine, Department of Infectious Medicine
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- Andersson, Lars-Magnus, 1968 (author)
- Gothenburg University,Göteborgs universitet,Institutionen för biomedicin, avdelningen för infektionssjukdomar,Institute of Biomedicine, Department of Infectious Medicine
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- Nilsson, Staffan, 1956 (author)
- Gothenburg University,Göteborgs universitet,Institutionen för biomedicin, avdelningen för laboratoriemedicin,Department of Laboratory Medicine
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- Ashton, Nicholas J. (author)
- Gothenburg University,Göteborgs universitet,Institutionen för neurovetenskap och fysiologi, sektionen för psykiatri och neurokemi,Institute of Neuroscience and Physiology, Department of Psychiatry and Neurochemistry
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- Sundvall, Pär-Daniel (author)
- Gothenburg University,Göteborgs universitet,Institutionen för medicin, avdelningen för samhällsmedicin och folkhälsa,Institute of Medicine, School of Public Health and Community Medicine
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- Nellgård, Bengt, 1956 (author)
- Gothenburg University,Göteborgs universitet,Institutionen för kliniska vetenskaper, Avdelningen för anestesiologi och intensivvård,Institute of Clinical Sciences, Department of Anesthesiology and Intensive care
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- Blennow, Kaj, 1958 (author)
- Gothenburg University,Göteborgs universitet,Institutionen för neurovetenskap och fysiologi, sektionen för psykiatri och neurokemi,Institute of Neuroscience and Physiology, Department of Psychiatry and Neurochemistry
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- Zetterberg, Henrik, 1973 (author)
- Gothenburg University,Göteborgs universitet,Institutionen för neurovetenskap och fysiologi, sektionen för psykiatri och neurokemi,Institute of Neuroscience and Physiology, Department of Psychiatry and Neurochemistry
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- Gisslén, Magnus, 1962 (author)
- Gothenburg University,Göteborgs universitet,Institutionen för biomedicin, avdelningen för infektionssjukdomar,Institute of Biomedicine, Department of Infectious Medicine
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(creator_code:org_t)
- Elsevier BV, 2021
- 2021
- English.
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In: EBioMedicine. - : Elsevier BV. - 2352-3964. ; 70
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http://www.thelancet...
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https://gup.ub.gu.se...
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https://doi.org/10.1...
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Abstract
Subject headings
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- Neurologic manifestations are well-recognized features of coronavirus disease 2019 (COVID-19). However, the longitudinal association of biomarkers reflecting CNS impact and neurological symptoms is not known. We sought to determine whether plasma biomarkers of CNS injury were associated with neurologic sequelae after COVID-19.Patients with confirmed acute COVID-19 were studied prospectively. Neurological symptoms were recorded during the acute phase of the disease and at six months follow-up, and blood samples were collected longitudinally. Healthy age-matched individuals were included as controls. We analysed plasma concentrations of neurofilament light-chain (NfL), glial fibrillary acidic protein (GFAp), and growth differentiation factor 15 (GDF-15).One hundred patients with mild (n=24), moderate (n=28), and severe (n=48) COVID-19 were followed for a median (IQR) of 225 (187-262) days. In the acute phase, patients with severe COVID-19 had higher concentrations of NfL than all other groups (all p < 0·001), and higher GFAp than controls (p < 0·001). GFAp was also significantly increased in moderate disease (p < 0·05) compared with controls. NfL (r=0·53, p < 0·001) and GFAp (r=0·39, p < 0·001) correlated with GDF-15 during the acute phase. After six months, NfL and GFAp concentrations had normalized, with no persisting group differences. Despite this, 50 patients reported persistent neurological symptoms, most commonly fatigue (n=40), "brain-fog" (n=29), and changes in cognition (n=25). We found no correlation between persistent neurological symptoms and CNS injury biomarkers in the acute phase.The normalization of CNS injury biomarkers in all individuals, regardless of previous disease severity or persisting neurological symptoms, indicates that post COVID-19 neurological sequelae are not accompanied by ongoing CNS injury.The Swedish State Support for Clinical Research, SciLifeLab Sweden, and the Knut and Alice Wallenberg Foundation have provided funding for this project.
Subject headings
- MEDICIN OCH HÄLSOVETENSKAP -- Klinisk medicin -- Klinisk laboratoriemedicin (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Clinical Medicine -- Clinical Laboratory Medicine (hsv//eng)
- MEDICIN OCH HÄLSOVETENSKAP -- Klinisk medicin -- Infektionsmedicin (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Clinical Medicine -- Infectious Medicine (hsv//eng)
Keyword
- Aged
- Astrocytes
- metabolism
- pathology
- virology
- Biomarkers
- blood
- metabolism
- COVID-19
- blood
- metabolism
- pathology
- virology
- Disease Progression
- Female
- Follow-Up Studies
- Glial Fibrillary Acidic Protein
- metabolism
- Humans
- Longitudinal Studies
- Male
- Middle Aged
- Neurofilament Proteins
- metabolism
- Neurons
- metabolism
- pathology
- virology
- SARS-CoV-2
- pathogenicity
- Sweden
Publication and Content Type
- ref (subject category)
- art (subject category)
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Kanberg, Nelly
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Simrén, Joel, 19 ...
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Edén, Arvid, 197 ...
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Andersson, Lars- ...
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Nilsson, Staffan ...
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Ashton, Nicholas ...
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Sundvall, Pär-Da ...
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Nellgård, Bengt, ...
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Blennow, Kaj, 19 ...
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Zetterberg, Henr ...
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Gisslén, Magnus, ...
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- MEDICAL AND HEALTH SCIENCES
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MEDICAL AND HEAL ...
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MEDICAL AND HEAL ...
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EBioMedicine
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University of Gothenburg