• Patrick Czorlich, Klaus C Mende, Eik Vettorazzi, Jan Regelsberger, Manfred Westphal, and Nils O Schmidt.
• Department of Neurosurgery, University Medical Center Hamburg-Eppendorf, Martinistr. 52, 20246, Hamburg, Germany. p.czorlich@uke.de.
• Acta Neurochir (Wien). 2015 Nov 1; 157 (11): 1867-72; discussion 1872.

BackgroundIntraventricular hemorrhage (IVH) in patients suffering from aneurysmal subarachnoid hemorrhage (aSAH) is a known negative predictor. Scoring systems like Fisher, Le Roux, and original Graeb score (oGS) are established to quantify the volume of IVH. The aim of this study was to evaluate the validity of the recently introduced modified Graeb score (mGS) in patients with aSAH.MethodsA retrospective analysis of the validity of the oGS and mGS in 257 aSAH patients was performed to assess and compare the predictive value of hospital mortality, development of CHC, and early functional outcome.ResultsIn univariate analysis, an increase in either the oGS or mGS was associated with a higher risk for hospital mortality, development of CHC, and poor early functional outcome. The correlation of the oGS and mGS was excellent using Pearson's product-moment (r = 0.918; p < 0.001). The predictive value of the oGS was superior to the predictive value of the mGS using receiver operating characteristics and corresponding area under the curve value as there was no statistical significant differences between the scores.ConclusionsOur study confirms the validity of the recently introduced mGS to quantify the volume of IVH and extends its value in aSAH. However, the mGS offers no additional predictive value for hospital mortality, development of CHC, and poor early functional outcome in patients with aSAH patients compared to the less complex oGS.

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