AI Article Synopsis
- - The study aimed to find early radiographic signs that could predict persistent hydrocephalus needing a ventriculoperitoneal shunt (VPS) in patients with aneurysmal subarachnoid hemorrhage (aSAH).
- - Researchers analyzed CT scans from 229 patients and developed a scoring system (CISCO) based on the amount of blood clot in certain brain regions, finding that higher scores were linked to a greater need for VPS.
- - Using CISCO was effective in forecasting VPS requirements, showing better predictive accuracy than other admission indicators, and the authors suggest further research to solidify this tool's utility.
Article Abstract
Background: Persistent hydrocephalus requiring a ventriculoperitoneal shunt (VPS) can complicate the management of aneurysmal subarachnoid hemorrhage (aSAH). Identification of high-risk patients may guide external ventricular drain management.
Objective: To identify early radiographic predictors for persistent hydrocephalus requiring VPS placement.
Methods: In a 2-center retrospective study, we compared radiographic features on admission noncontrast head computed tomography scans of patients with aSAH requiring a VPS to those who did not, at 2 referral academic centers from 2016 through 2021. We quantified blood clot thickness in the basal cisterns including interpeduncular, ambient, crural, prepontine, interhemispheric cisterns, and bilateral Sylvian fissures. We then created the cisternal score (CISCO) using features that were significantly different between groups.
Results: We included 229 survivors (mean age 55.6 years [SD 13.1]; 63% female) of whom 50 (22%) required VPS. CISCO was greater in patients who required a VPS than those who did not (median 4, IQR 3-6 vs 2, IQR 1-4; P < .001). Higher CISCO was associated with higher odds of developing persistent hydrocephalus with VPS requirement (odds ratio 1.6 per point increase, 95% CI 1.34-1.9; P < .001), independent of age, Hunt and Hess grades, and modified GRAEB scores. CISCO had higher accuracy in predicting VPS requirement (area under the curve 0.75, 95% CI 0.68-0.82) compared with other predictors present on admission.
Conclusion: Cisternal blood clot quantification on admission noncontrast head computed tomography scan is feasible and can be used in predicting persistent hydrocephalus with VPS requirement in patients with aSAH. Future prospective studies are recommended to further validate this tool.
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| http://dx.doi.org/10.1227/neu.0000000000002374 | DOI Listing |
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