S100B and thoracic aortic aneurysm: Kunihara et al.[20] prospectively studied 23 patients undergoingTAAR or descending thoracic aortic aneurysm repair (DTAAR) who all had spinalcord drainage and CSF measurement of S-100β, the samples were taken attime of induction, 0, 6, 12, 18, 24, 48, and 72 hours postoperatively, amongthose 23 patients, four of them suffered from SCI (paraplegia or paralysis).