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Neuronavigation and Laparoscopy Guided Ventriculoperitoneal Shunt Insertion for the Treatment of Hydrocephalus
Published on: October 14, 2022
Risk Factors for Ventriculoperitoneal Shunt Dependency in Patients with Spontaneous Cerebellar Hemorrhage
Shih-Yuan Hsu1, Hsin-Huan Chang1, Fu-Yuan Shih1
1Department of Neurosurgery, Kaohsiung Chang Gung Memorial Hospital, Chang Gung University College of Medicine, Kaohsiung, Taiwan.
Insights
Patients with cerebellar hemorrhage (CH) who have hydrocephalus and larger hematomas on initial imaging face a higher risk of needing a ventriculoperitoneal (VP) shunt. Early detection through neuroimaging and clinical assessment is crucial for these high-risk individuals.
Area of Science:
- Neurosurgery
- Neurology
Background:
- Hydrocephalus is a frequent complication following spontaneous cerebellar hemorrhage (CH).
- Predicting the need for ventriculoperitoneal (VP) shunt placement in CH patients is clinically significant.
Purpose of the Study:
- To identify predictors of ventriculoperitoneal (VP) shunt dependency in patients who have experienced spontaneous cerebellar hemorrhage (CH).
Main Methods:
- A retrospective analysis of 99 patients with spontaneous CH was conducted.
- Patients were compared based on their need for VP shunt placement during hospitalization.
Main Results:
- 19.2% of patients (19/99) developed VP shunt-dependent hydrocephalus.
- Significant risk factors identified include large hematoma dimensions and volume, fourth ventricular degradation, hydrocephalus, and basal cistern obliteration.
- Hydrocephalus on admission and maximum hematoma diameter were independent predictors of VP shunt dependency, with an odds ratio of 37.04 for hydrocephalus and an 11.9% increased risk per millimeter increase in hematoma diameter.
Conclusions:
- Patients with hydrocephalus and larger hematomas on initial imaging are at increased risk for VP shunt dependency.
- Close monitoring with repeat neuroimaging and clinical evaluation is essential for high-risk patients to manage post-CH hydrocephalus.
Background:
Hydrocephalus is a common complication after spontaneous cerebellar hemorrhage (CH). This study focused on predicting ventriculoperitorneal (VP) shunt dependency in patients with spontaneous CH.
Methods:
Ninety-nine patients with spontaneous CH were evaluated in this retrospective study. A comparison between patients with and those without VP shunt dependency during hospitalization was made.
Results:
VP shunt-dependent hydrocephalus developed in 19.2% of the patients (19 of 99). Comparison of neuroimaging findings on admission between the 2 patient groups identified large hematoma dimension (P < 0.001), large hematoma volume (P = 0.001), fourth ventricular degradation (P < 0.001), development of hydrocephalus (P < 0.001), and obliteration of the basal cisterns (P < 0.001) as significant risk factors for VP shunt-dependent hydrocephalus. Stepwise logistic regression analysis identified hydrocephalus on admission and maximum hematoma diameter on admission as independent risk factors for VP shunt dependency (P = 0.006 and 0.020, respectively). The adjusted risk of VP shunt dependency for patients with hydrocephalus on admission had an odds ratio of 37.04. Furthermore, an increase of 1 mm in the blood clot diameter on admission would increase the VP shunt dependency rate by 11.9%. The cutoff value of blood clot diameter on presentation was 36.15 mm (sensitivity, 84.2%; specificity, 85.0%).
Conclusions:
A patient with hydrocephalus on admission and a hematoma of larger size and dimension at the time of initial imaging is at elevated risk for VP shunt dependency. Repeat neuroimaging studies and careful clinical assessment are mandatory for high-risk patients to determine the presence of post-CH hydrocephalus.
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