British Journal of Anaesthesia, Vol 84, Issue 2 242-244, Copyright © 2000 by Oxford University Press
LS Rasmussen, M Christiansen, H Rasmussen, PA Kristensen and JT Moller
Neurone specific enolase (NSE) and S-100 beta protein have been used as
markers of brain damage. We hypothesized that blood concentrations of NSE
and S-100 beta protein reflect cognitive dysfunction after abdominal
surgery. We studied 65 elderly patients in whom neuropsychological testing
was performed before abdominal surgery, at discharge from hospital and
after 3 months. Serum concentrations of NSE and S-100 beta protein were
measured before surgery and after 24, 48 and 72 h. Serum concentrations of
S-100 beta protein increased significantly while NSE concentrations
decreased significantly. The increase in S-100 beta protein concentration
after 48 h was significantly greater in patients with delirium. No
correlation was found between cognitive dysfunction and S-100 beta protein
or NSE concentration. We conclude that blood concentrations of S-100 beta
protein increase after abdominal surgery and may be related to
postoperative delirium.
ARTICLES
Do blood concentrations of neurone specific enolase and S-100 beta protein reflect cognitive dysfunction after abdominal surgery?ISPOCD Group
Department of Anaesthesia, Copenhagen University Hospital, Denmark.
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