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KMID : 1001920150570040266
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Journal of Korean Neurosurgical Society
2015 Volume.57 No. 4 p.266 ~ p.270
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Independent Predictors for Recurrence of Chronic Subdural Hematoma
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Jung Yoon-Gyo
Jung Na-Young
KIm El
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Abstract
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Objective: Chronic subdural hematoma (CSDH) is one of the most frequent problems encountered in neurosurgery. Although burr-hole trephination is widely performed to treat CSDH, the incidence rate of recurrent CSDH is still 2?37%. The goal of this study is to determine the risk factors that affect recurrent CSDH.
Methods: A total of 182 patients were included in this study who underwent burr-hole trephination. The clinical factors and radiographic features between the recurrence and the no recurrence groups were analyzed to find the parameters related to the postoperative recurrence of CSDH.
Results: For the recurrence of CSDH that occurred in 25 patients (13.7%), among various risk factors, pre and postoperative midline displacements, which are more than 10 mm (p=0.000), and preoperative hemiparesis (p=0.026) had contributed to recurrent CSDH with statistical significance by univariate analysis. Unilateral CSDH were more frequently related to recurrent CSDH (16.3%), although it was not a statistical significant result (p=0.052). Furthermore, preoperative midline displacement only had statistical meaning for the recurrence of CSDH by multivariate analysis.
Conclusion: This study indicates that the midline displacement on the preoperative computed tomography scan is the only independent predictor for the recurrence of CSDH.
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KEYWORD
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Chronic subdural hematoma, Hemiparesis, Midline displacement, Recurrence
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