S100B and brain infarction: In recent years, studies have shown that S100B is useful as a predictive marker for outcome after cerebral infarction (Herrmann and Ehrenreich, 2003; Ahmad et al., 2012), anoxic brain injury (Shinozaki et al., 2009), and SAH (Wiesmann et al., 1997; Stranjalis et al., 2007; Sanchez-Pena et al., 2008).