Functional preservation of deep brain stimulation electrodes after brain shift induced by traumatic subdural haematoma - case report.

A Parkinson's disease patient with deep brain stimulation (DBS) implantation experienced an acute subdural haematoma (SDH) after a fall. The DBS electrodes and brain parenchyma were shifted. Fortunately, the patient recovered after craniectomy and removal of SDH, and the DBS was re-activated with the same parameters. Patients with DBS implants who suffer a traumatic brain injury do not necessarily incur permanent implant failure; there is every chance that the DBS may continue to work as reported here.