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  • Title: Prediction of Permanent Shunt Dependency in Patients with Intraventricular Hemorrhage: Outcomes of Early External Ventricular Drainage Weaning Protocol.
    Author: Noiphithak R, Phumichard T, Ratanavinitkul W, Rukskul P.
    Journal: World Neurosurg; 2023 Nov; 179():e575-e581. PubMed ID: 37689359.
    Abstract:
    BACKGROUND: Hydrocephalus remains a common sequela of intraventricular hemorrhage (IVH) despite adequate drainage of the hematoma, including endoscopic surgery, intraventricular fibrinolysis, and external ventricular drainage (EVD). Moreover, the appropriate timing for conversion from EVD to ventriculoperitoneal shunt (VPS) is uncertain. This study aimed to evaluate the predictors of shunt dependency in patients with IVH based on the early EVD weaning protocol in our institution. METHODS: We retrospectively reviewed medical records of patients who were diagnosed with primary IVH and secondary IVH from spontaneous intracerebral hemorrhage during the period 2018-2021. Predictors associated with shunt dependency were identified using a logistic regression model. The cutoff point of each variable was selected by receiver operating characteristic curve analysis. Furthermore, shunt complications were reported as a safety measure of our early EVD weaning protocol. RESULTS: The analysis included 106 patients. After IVH treatment, 15 (14%) patients required ventriculoperitoneal shunt, whereas 91 (86%) patients were shunt-free. The diameter of posttreatment temporal horn and the degree of IVH reduction were the significant predictors of shunt dependency. Moreover, patients with IVH reduction of >45% and temporal horn diameter of <9 mm had a lower probability of shunt dependency. Shunt failure was found in 2 (13.3%) patients. CONCLUSIONS: This study showed that a large temporal horn diameter and a lower degree of IVH removal were predictors of shunt dependency in patients with IVH. In addition, early conversion from EVD to ventriculoperitoneal shunt is safe and feasible.
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