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Ann Biol Clin (Paris). 2013 Mar-Apr;71(2):145-50. doi: 10.1684/abc.2013.0812.

[Interest of S100B protein blood level determination in severe or moderate head injury].

[Article in French]

Author information

1
Laboratoire de biochimie m├ędicale, Centre de biologie, CHU Gabriel Montpied, Clermont-Ferrand, France. Bouvier dbouvier@chu-clermontferrand.fr

Abstract

S100B, a suffering brain marker, exhibits a different interest in traumatic brain injury (TBI) as the trauma is severe (sTBI) or mild (mTBI). Our works presented for the attribution of the SFBC 2012 price talked about both aspects. Firstly, the extent of S100B elevation has been found to be useful in predicting clinical outcome after sTBI. However, few studies were realized with jugular venous blood samples. After comparing the interest between jugular venous and arterial blood concentrations evaluation of serum S100B protein in patients with sTBI, determination of S100B concentration in jugular blood samples appears to be better than in arterial ones to predict clinical outcome after brain injury. Secondly, it's difficult to determine the indication of cranial computed tomography (CCT) for patients with mTBI. Actually, 90% of patients with mTBI have unnecessary CCT or short hospitalization for observation. Serum concentrations of S100B were found to provide useful information. We have investigated in 2 studies (1 for adult, 1 for children) whether S100B concentrations in patients with mTBI could provide additional information to improve indication of the need for an initial CCT scan or for a short hospitalization. Patients with intracerebral lesions on the CCT scan (CCT+) or with bad clinical evolution were identified with a sensitivity level of 100% and a specificity level of 30%. Adding the measurement of S-100B serum concentration to the clinical decision rules for a CCT scan or hospitalization in patients with mTBI could allow a 30% reduction in scans and in hospitalization for clinical observation.

KEYWORDS:

S100B protein; head injury

PMID:
23587577
DOI:
10.1684/abc.2013.0812
[Indexed for MEDLINE]
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