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Complex Regional Pain Syndrome Diagnostic Tests
Somatosensory Evoked Potentials (SSEP)
The somatosensory evoked potentials (SSEP) test the somatosensory trajectory from the peripheral nerve to the cerebral cortex (22). Recording electrodes are placed near the stimulation sites for clinical diagnosis, which include the median nerve at the wrist, the common peroneal nerve at the knee, and the posterior tibial nerve at the ankle (22).
Dutch treatment guidelines report that “SSEP is indicated for CRPS-I patients if a central dysfunction is suspected in light of neurological tests. If the results are abnormal, further investigation is necessary” (12).
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Updated December 20, 2007 |
