Skip Navigation LinksHome > September 2014 - Volume 23 - Issue 5 > Paresis of the L5 nerve root after reduction of low-grade lu...
Journal of Pediatric Orthopaedics B:
doi: 10.1097/BPB.0000000000000071
Spine

Paresis of the L5 nerve root after reduction of low-grade lumbosacral dysplastic spondylolisthesis: a case report

Lykissas, Marios G.a; Aichmair, Alexandera; Widmann, Rogerb; Sama, Andrew A.a

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Abstract

We present a unique case of a 16-year-old patient who underwent lumbar decompression surgery (L4–S1), low-grade spondylolisthesis reduction surgery at L5–S1, and posterior instrumented fusion from L4 to the pelvis. Neurologic monitoring did not show any sustained changes throughout the operation. The patient was awoken from endotracheal anesthesia with grade 0 muscle function of the left extensor hallucis longus and tibialis anterior muscles resulting in left-sided foot drop. At the last follow-up 12 months after surgery, the patient had partial recovery, with grade 4 muscle function of the left extensor hallucis longus and tibialis anterior muscles. We suggest that early identification with direct nerve root stimulation and wake-up test immediately after reduction of spondylolisthesis will allow prompt release of the reduction and further foramen exploration, and increase the possibility of good postoperative nerve root recovery.

© 2014 Wolters Kluwer Health | Lippincott Williams & Wilkins

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