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Showing posts with label plexopathy. Show all posts
Showing posts with label plexopathy. Show all posts
Sunday, September 14, 2008
Ulnar Neuropathy? If the surgery site is lower Lumosacral level, why should you monitor upper limp SSEPs?
This article in the latest Spine Journal (an electronic publication) demonstrates that upper limp SSEP monitoring is quite handy in detecting ulnar nerve neuropathy during lower back surgeries??.
BACKGROUND CONTEXT: Somatosensory evoked potential (SSEP) is used to monitor integrity of the brain, spinal cord, and nerve roots during spinal surgery. It records the electrical potentials from the scalp after electrical stimulation of the peripheral nerves of the upper or lower limbs. The standard monitoring modality in lumbosacral spine surgery includes lower-limb SSEP and electromyography (EMG). Upper-limb SSEP monitoring has also been used to detect and prevent brachial plexopathy and peripheral nerve injury in thoracic and lumbosacral spine surgeries. We routinely monitor lower-limb SSEP and EMG in lumbosacral spine procedures at our institution. However, a few patients experienced postoperative numbness and/or pain in their ulnar distribution with uneventful lower-limb SSEP and EMG.
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