Orthopaedic outcomes of prenatal versus postnatal repair of myelomeningocele
- PMID: 33165214
- PMCID: PMC8099935
- DOI: 10.1097/BPB.0000000000000827
Orthopaedic outcomes of prenatal versus postnatal repair of myelomeningocele
Abstract
Myelomeningocele, characterized by extrusion of the spinal cord through a spinal canal defect, is the most common form of spina bifida, often resulting in lifelong disability and significant orthopaedic issues. A randomized controlled trial (RCT) has shown the efficacy of prenatal repair in decreasing the need for shunting and improving motor outcomes. However, no studies have evaluated the effects of prenatal repair on orthopaedic outcomes. The purpose of this study was to determine the rates of orthopaedic conditions in patients with prenatal and postnatal repair of myelomeningocele and compare the rates of treatment required. This study analyzes the relevant outcomes from a prospective RCT (Management of Myelomeningocele Study). Eligible women were randomized to prenatal or postnatal repair, and patients were evaluated prospectively. Outcomes of interest included rates of scoliosis, kyphosis, hip abnormality, clubfoot, tibial torsion, and leg length discrepancy (LLD) at 12 and 30 months. The need for orthopaedic intervention at the same time points was also evaluated. Statistical analyses included descriptive statistics and univariate analyses. Data for the full cohort of 183 patients were analyzed (91 prenatal, 92 postnatal). There were no differences in rates of scoliosis, kyphosis, hip abnormality, clubfoot or tibial torsion between patients treated with prenatal or postnatal repair. The rate of LLD was lower in the prenatal repair group at 12 and 30 months (7 vs. 16% at 30 months, P = 0.047). The rates of patients requiring casting or bracing were significantly lower in patients treated with prenatal repair at 12 and 30 months (78 vs. 90% at 30 months, P = 0.036). Patients treated with prenatal myelomeningocele repair may develop milder forms of orthopaedic conditions and may not require extensive orthopaedic management.
Trial registration: ClinicalTrials.gov NCT00060606.
Copyright © 2020 Wolters Kluwer Health, Inc. All rights reserved.
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