PA Medical News about Injections, Epidural Injections, Spinal Steroids Paraplegia

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Paraplegia Following Image-Guided Transforaminal Lumbar Spine Epidural Steroid Injection: Two Case Reports
Pain Medicine, 10/29/09

Kennedy DJ et al. – These cases consolidate a pattern emerging in the literature. Distal cord and conus injury can occur following transforaminal injections at lumbar levels, whether injection is on the left or right. This conforms with the probability of radicular–medullary arteries forming an arteria radicularis magna at lumbar levels. All cases used particulate corticosteroids, which promotes embolization in a radicular artery as the likely mechanism of injury. The risk of this complication can be reduced, and potentially eliminated, by the utilization of particulate free steroids, testing for intra–arterial injection with digital subtraction angiography, and a preliminary injection of local anesthetic.