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  • Title: Validation of a Predictive Scoring System for Ventriculoperitoneal Shunt Insertion After Aneurysmal Subarachnoid Hemorrhage.
    Author: Gupta R, Ascanio LC, Enriquez-Marulanda A, Griessenauer CJ, Chinnadurai A, Jhun R, Alturki A, Ogilvy CS, Thomas AJ, Moore JM.
    Journal: World Neurosurg; 2018 Jan; 109():e210-e216. PubMed ID: 28964945.
    Abstract:
    BACKGROUND: Hydrocephalus is a frequently encountered complication in the context of aneurysmal subarachnoid hemorrhage (aSAH). Here, we performed an external validation of the recently proposed postsubarachnoid shunt scoring (PS3) system, which aims to stratify patients presenting with aSAH based on their relative risk of requiring ventriculoperitoneal (VP) shunt insertion. METHODS: A retrospective review of all patients presenting with aSAH to our institution between July 2007 and December 2016, who underwent computed tomography imaging at the time of hospital admission, was performed. RESULTS: A total of 242 patients (66.1% women) with aSAH were included in the analysis with a mean age of 55.6 years. Sixty-four (26.4%) patients had a Hunt and Hess grade of 4 or 5 on admission. An external ventricular drain (EVD) was placed in 130 (53.7%) patients during the hospital admission. EVD placement was found to correlate with an increased rate of VP shunt placement (P < 0.001), and a trend toward an association between a high Hunt and Hess grade and VP shunt placement was observed (P = 0.05). The area under the receiver operating characteristic curve for the PS3 system was found to be 0.845. The system reliably predicted shunt-dependent chronic hydrocephalus in our patient cohort (odds ratio, 3.36; 95% confidence interval, 2.31-4.89; P < 0.001). CONCLUSIONS: Data from this study validated the previously proposed PS3 system, which was found to more accurately predict shunt-dependent chronic hydrocephalus in patients with aSAH compared with other such systems in the neurosurgical literature, such as the chronic hydrocephalus ensuing from SAH score, Barrow Neurological Institute, and shunt dependency in aSAH systems.
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