Diagnostic accuracy of quantitative EEG to detect delayed cerebral ischemia after subarachnoid hemorrhage: A preliminary study

Case fatality and morbidity of aneurysmal subarachnoid hemorrhage (SAH) decreased during the past decades (Nieuwkamp et al., 2009). Despite improvement of both its prevention (Pickard et al., 1989) and management strategies (Nieuwkamp et al., 2009; Connolly et al., 2012), delayed cerebral ischemia (DCI), which occurs between three to 21 days after bleeding (Charpentier et al., 1999), is the most important and preventable cause of SAH morbidity (Francoeur and Mayer, 2016). DCI pathophysiology is still debated and encompass proximal vasospasm, capillary vasospasm, and spreading depolarizations (Dreier, 2011; Francoeur and Mayer, 2016).

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