Chronic Subdural Hematoma Formation After DBS Surgery: A Case Report

Document Type : Case Reports

Authors

Ege University Faculty of Medicine Department of Neurosurgery

Abstract

Background
Chronic subdural hematoma is one of the most common neurosurgical pathologies. The pathophysiology of chronic subdural hematoma may be based on traumatic damage to the dura mater and associated inflammatory processes. Deep brain stimulation (DBS) surgery is an invasive method for treating Parkinson's disease. It is performed by opening a burr hole followed by stereotactic placement of electrodes through an incision in the dura mater. Therefore, this surgery may be one of the iatrogenic causes of chronic subdural hematoma.

Case Presentation
We present an uncommon case of chronic subdural hematoma (cSDH) formation and subsequent evacuation after deep brain stimulation (DBS) surgery. A 69-year-old male with Parkinson’s disease had a DBS placement three months ago and had right-sided motor weakness for the last two days. A computed tomography (CT) scan revealed a 3 cm left-sided cSDH, which was evacuated emergently. The patient had marked improvement in motor function postoperatively and was discharged after three days.

Conclusion
While DBS remains a valuable treatment modality, its invasive nature may cause hemorrhagic complications, and there should be a low threshold for neuroimaging for patients with new neurological symptoms.

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