• Arch Neurol Chicago · Nov 2006

    Case Reports

    Brainstem stroke following uncomplicated cervical epidural steroid injection.

    • Wendy C Ziai, Agnieszka A Ardelt, and Rafael H Llinas.
    • Divisions of Neurosciences Critical Care, Department of Neurology, Johns Hopkins University School of Medicine, Baltimore, MD 21287, USA. weziai@jhmi.edu
    • Arch Neurol Chicago. 2006 Nov 1;63(11):1643-6.

    BackgroundCervical epidural steroid injection treatment of radicular pain has become a common procedure.ObjectivesTo describe the clinical, radiologic, and autopsy findings of a 41-year-old patient treated with methylprednisolone acetate cervical epidural steroid injection, who developed a fatal hemorrhagic brainstem infarction and to discuss the possible mechanisms involved.DesignCase report.SettingPain management center and tertiary care hospital.ResultsImmediately following a seemingly uncomplicated epidural steroid injection at C5-6, the patient developed progressive symptoms of extensive brainstem and thalamic infarction (documented by magnetic resonance imaging and autopsy) with hemorrhagic conversion and hydrocephalus. Hemorrhage within the adventitia of the left vertebral artery, but no dissection, was found at the C5 vertebral level at necropsy.ConclusionsThis case report shows the possibility of serious intracranial pathology resulting from cervical epidural steroid injection despite use of fluoroscopic guidance. Vascular spasm distant to the site of injection is a possible mechanism.

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