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Cerebrospinal Fluid...
Cerebrospinal Fluid S100B and Alzheimer's Disease Biomarkers in Hip Fracture Patients with Delirium
- Article/chapterEnglish2017
Publisher, publication year, extent ...
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2017-11-09
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S. Karger AG,2017
Numbers
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LIBRIS-ID:oai:gup.ub.gu.se/264394
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https://gup.ub.gu.se/publication/264394URI
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https://doi.org/10.1159/000481853DOI
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Subject category:ref swepub-contenttype
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Subject category:art swepub-publicationtype
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Objectives: This study aimed to investigate the relationship between cerebrospinal fluid (CSF) S100B astrocyte-derived protein and delirium and to perform stratified analyses according to clinical and CSF markers of dementia. Methods: We performed a prospective cohort study in a university hospital setting. The participants were patients admitted for hip fracture (n = 98) or for elective surgery (n = 50). Delirium was assessed daily perioperatively in hip fracture patients using the Confusion Assessment Method. A consensus-based diagnosis of prefracture dementia was made using all available information. CSF was drawn at the onset of spinal anesthesia. S100B and phosphorylated tau (P-tau) concentrations were measured using electro-chemiluminescence immunoassay and enzyme-linked immunosorbent assays, respectively. Results: In the hip fracture population (n = 98) there was no significant difference in CSF S100B concentrations between patients with ongoing preoperative (i.e., prevalent) delirium (n = 36, median [interquartile range] 1.11 mu g/L [0.91-1.29]) and patients who never developed delirium (n = 46, 1.08 mu g/L [0.92-1.28], p = 0.92). In patients without preoperative delirium, those who developed delirium postoperatively (i.e., incident delirium) (n = 16, 1.38 mu g/L [1.08-1.62]) had higher concentrations of S100B than the 46 who never did (p = 0.013). This difference was confined to patients with pathological concentrations of P-tau (= 60 ng/L, n = 38). We also found that P-tau and S100B were correlated in CSF in the elective surgery patients. Conclusions: CSF S100B was elevated in patients with incident delirium who also had pathological levels of the Alzheimer disease biomarker P-tau, suggesting vulnerability caused by a preexisting process of astrocytic activation and tau pathology. (c) 2017 The Author(s) Published by S. Karger AG, Basel.
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Bolstad, N.
(author)
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Idland, A. V.
(author)
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Zetterberg, Henrik,1973Gothenburg University,Göteborgs universitet,Institutionen för neurovetenskap och fysiologi, sektionen för psykiatri och neurokemi,Institute of Neuroscience and Physiology, Department of Psychiatry and Neurochemistry(Swepub:gu)xzethe
(author)
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Blennow, Kaj,1958Gothenburg University,Göteborgs universitet,Institutionen för neurovetenskap och fysiologi, sektionen för psykiatri och neurokemi,Institute of Neuroscience and Physiology, Department of Psychiatry and Neurochemistry(Swepub:gu)xbleka
(author)
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Chaudhry, F. A.
(author)
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Frihagen, F.
(author)
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Raeder, J.
(author)
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Wyller, T. B.
(author)
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Watne, L. O.
(author)
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Göteborgs universitetInstitutionen för neurovetenskap och fysiologi, sektionen för psykiatri och neurokemi
(creator_code:org_t)
Related titles
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In:Dementia and Geriatric Cognitive Disorders Extra: S. Karger AG7:3, s. 374-3851664-5464
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Hov, K. R.
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Bolstad, N.
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Idland, A. V.
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Zetterberg, Henr ...
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Blennow, Kaj, 19 ...
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Chaudhry, F. A.
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Frihagen, F.
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Raeder, J.
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Wyller, T. B.
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Watne, L. O.
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- MEDICAL AND HEALTH SCIENCES
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MEDICAL AND HEAL ...
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and Clinical Medicin ...
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and Neurology
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Dementia and Ger ...
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University of Gothenburg