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. 2023 Nov;11(6):1467-1475.
doi: 10.1007/s43390-023-00722-w. Epub 2023 Jul 10.

Distal level in scoliosis surgery for non-ambulatory patients with cerebral palsy: is L5 an option? A case series study

Ruben Alejandro Morales Ciancio  1 , Jonathan Lucas  2 , Stewart Tucker  3 , Thomas Ember  3 , Mark Harris  3 , Edel Broomfield  3
Affiliations

Distal level in scoliosis surgery for non-ambulatory patients with cerebral palsy: is L5 an option? A case series study

Ruben Alejandro Morales Ciancio et al. Spine Deform. 2023 Nov.

Abstract

Purpose: This study aimed to determine the radiographic outcomes of patients with cerebral palsy (CP) who underwent posterior spinal fusion from T2/3 to L5 at two quaternary hospitals.

Methods: From January 2010 to January 2020, 167 non-ambulatory patients with CP scoliosis underwent posterior spinal fusion using pedicle screws from T2/3 to L5 in both centers, with a minimum of 2 years follow-up (FU). Radiological measurements and chart reviews were performed.

Results: A total of 106 patients aged 15.6 ± 0.4 years were included. None of the patients was lost to FU. All patients had significant correction of the Cobb angle (MC) and pelvic obliquity (PO), thoracic kyphosis (TK), and lumbar lordosis (LL), without loss of correction at the last FU (LFU). The mean values for preoperative, immediate postoperative, and LFU were MC 93.4°, 37.5°, and 42.8°; PO 25.8°, 9.9°, and 12.7°; TK 52.2°, 44.3°, and 45°; and LL - 40.9°, - 52.4°, and - 52.9°, respectively. Higher residual PO at LFU was associated with more severe MC and PO baselines, lower implant density, and an apex located at L3.

Conclusions: CP scoliosis and PO can be corrected, and this correction is maintained over time with posterior spinal fusion using pedicle screws, with L5 as the lowest instrumented vertebra. Larger preoperative MC and PO values associated with the apex at L3 appear to be related to residual PO. Comparative large-scale studies of patient-related clinical outcomes are required to determine whether this intervention is associated with improved surgical outcomes and reduced complication rates.

Level of evidence: IV.

Keywords: Cerebral palsy; Neuromuscular scoliosis; Non-ambulatory; Pelvic obliquity correction; Scoliosis surgery.

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