Journal of the Korean Society of Stereotactic and Functional Neurosurgery 2018;14(2):42-46.
Published online September 30, 2018.
Chronic Subdural Hematoma after Deep Brain Stimulation for Parkinson's Disease with a Lack of Post-Operative Stimulatory Effect: A Case Report
Myung-Ji Kim, Kyuha Chong, Wonki Yoon, Jong-Hyun Kim
Department of Neurosurgery, Korea University Guro Hospital, Seoul, Korea
We report a patient who had a bilateral burr-hole drainage due to the development of chronic subdural hematoma after deep brain stimulation (DBS) for the advanced Parkinson's disease. The patient showed significant improvement during intraoperative test stimulation with the absence of significant abnormal radiologic findings at the immediate postoperative CT scans. Postoperative course showed progressive deterioration of preoperative akinetic symptoms without notable benefit from therapeutic stimulation. CT scans two months after the surgery showed significant amount of chronic subdural hematoma with the upward displacement of implanted electrodes from the original targets. Bilateral burr-hole drainage was needed because of neurologic deterioration, with a special attention not to disrupt the previously implanted DBS hardware system. Follow-up CT scan revealed resolution of subdural hematoma and return of migrated electrode to its original position. Without DBS lead revision, the patient experienced benefits from the bilateral DBS therapy on follow-up.
Key Words: Deep brain stimulation, Chronic subdural hematoma, Parkinson's disease, Burr-hole drainage.

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