• Dimitrios Panagopoulos, Katerina Apostolopoulou, and Marios Themistocleous.
• Neurosurgical Department, Pediatric Hospital of Athens, Agia Sophia, Athens, Greece. Electronic address: dimpanayop@gmail.com.
• World Neurosurg. 2020 Feb 1; 134: 390-395.

BackgroundComplex spinal deformities are a common issue in pediatric patients with an underlying neurologic diagnosis or syndrome. Management of neuromuscular scoliosis is an awesome responsibility, because these patients present with the most challenging pathologies of the deformed spine. Along with surgical correction of the underlying deformity, an intrathecal baclofen (ITB) pump is considered effective in managing the associated spasticity.Case DescriptionWe present the case of an 11-year-old female who sustained an episode of severe ischemic encephalopathy accompanied by hydrocephalus and severe spastic quadriplegia. An ITB pump was inserted to manage spasticity. Two years later, a very severe decompensated spinal curvature developed. In addition, malfunction of the pump was noted, and the decision was made to perform revision along with open hemilaminectomy at the L3-4 level. The inability of cerebrospinal fluid (CSF) to access the pump was verified intraoperatively, with the absence of CSF glow through the intrathecal space demonstrating blockage of CSF flow.ConclusionsThe association of cerebral palsy and relevant disorders with the relentless progression of scoliosis is analyzed, along with the possible offending mechanisms. The efficacy of an ITB pump in controlling intractable spasticity associated with neuromuscular scoliosis is reviewed, as well as its potential to accentuate the clinical progression of neuromuscular scoliosis. Although this is an extremely infrequent situation, we must always bear in mind the possibility that malfunction of an ITB pump could be related to obstruction of CSF flow, owing to the extreme severity of the curves established during the course of, most likely untreated, neuromuscular scoliosis.Copyright © 2019 Elsevier Inc. All rights reserved.

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