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  • Hov, K. R. (author)

Cerebrospinal Fluid S100B and Alzheimer's Disease Biomarkers in Hip Fracture Patients with Delirium

  • Article/chapterEnglish2017

Publisher, publication year, extent ...

  • 2017-11-09
  • S. Karger AG,2017

Numbers

  • LIBRIS-ID:oai:gup.ub.gu.se/264394
  • https://gup.ub.gu.se/publication/264394URI
  • https://doi.org/10.1159/000481853DOI

Supplementary language notes

  • Language:English

Part of subdatabase

Classification

  • Subject category:ref swepub-contenttype
  • Subject category:art swepub-publicationtype

Notes

  • 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.

Subject headings and genre

Added entries (persons, corporate bodies, meetings, titles ...)

  • Bolstad, N. (author)
  • Idland, A. V. (author)
  • 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)
  • 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)
  • Chaudhry, F. A. (author)
  • Frihagen, F. (author)
  • Raeder, J. (author)
  • Wyller, T. B. (author)
  • Watne, L. O. (author)
  • Göteborgs universitetInstitutionen för neurovetenskap och fysiologi, sektionen för psykiatri och neurokemi (creator_code:org_t)

Related titles

  • In:Dementia and Geriatric Cognitive Disorders Extra: S. Karger AG7:3, s. 374-3851664-5464

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