CRP and amyotrophic lateral sclerosis: Moreover, various CSF CRP concentrations have been noted in delirium, ALS, severe head injury, aneurysmal subarachnoid hemorrhage, CNS vasculitis and giant cell arteritis, and epilepsy, as well as in neonatal meningitis and non-meningitis systemic inflammatory responses [608,609,610,611,612,613,614].