• World Neurosurg · May 2022

    Case Reports

    Pre- and postoperative gait analysis and video for selective dorsal rhizotomy in focal hemiplegic spasticity: 2-Dimensional Operative Video.

    • Josue D Ordaz, Sara Cartwright, Francisco Angulo-Parker, Sarah K Johnson, Haley Hill, and Jeffrey S Raskin.
    • Section of Pediatric Neurosurgery, Department of Neurosurgery, Riley Hospital for Children, Indiana University School of Medicine, Indianapolis, Indiana, USA.
    • World Neurosurg. 2022 May 1; 161: 5.

    AbstractSelective dorsal rhizotomy (SDR) has been a well-established neurosurgical treatment option for ambulatory children with spastic diplegic cerebral palsy to reduce spasticity. Outcomes for SDR for spastic lower extremity hemiparesis has been less well described. In our experience, hemi-SDR has been an excellent intervention for children with suboptimal spasticity control despite maximizing pharmacologic and chemodenervation treatments. In Video 1, we demonstrate a focal segmental hemi-SDR at the L5-S1 level in a 7-year-old male patient with spastic hemiparesis secondary to a dysembryoplastic neuroepithelial tumor in the right inferior frontoparietal area. Rhizotomy was performed with identification and selective sectioning of dorsal nerve roots with abnormal stimulation patterns as determined by electrophysiology and clinical correlation. Dorsal nerve root fibers with unsustained discharges were spared. Postoperatively, the patient participated well in inpatient and outpatient therapies with significant progress in his mobility and activities of daily living. The patient showed improvement in gait velocity (51%), internal pressure ratio (+0.05), and step length (41% on the left and 27% on the right) 20 months after hemi-SDR. He also demonstrated a step length ratio closer to 1 (0.89) showing a more equal step length bilaterally and improved weight acceptance on the affected side. There were no changes observed on the left upper extremity. This positive outcome on spasticity control and function supports the need for further prospective studies for hemi-SDR as a treatment option for children with spastic hemiparesis.Copyright © 2022 Elsevier Inc. All rights reserved.

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