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KMID : 0388720230300020069
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Journal of Korean Society of Spine Surgery
2023 Volume.30 No. 2 p.69 ~ p.77
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Results and Pitfalls of Using Magnetic Controlled Growing Rods for Early-Onset Scoliosis
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Yoon Ja-Yeong
Woo Seung-Ha
Lee Young-Ho
Kim Hak-Sun
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Abstract
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Study Design : Retrospective study
Objective : Following a previous study that presented the first Korean report of early-onset scoliosis (EOS) surgery using magnetic controlled growing rods (MCGRs), we increased the number of cases, reported long-term follow-up data, and analyzed the results and complications.
Summary of Literature Review: MCGRs have been used in recent years, and results and complications have been widely reported. However, only one paper from Korea has published results about MCGRs.
Materials and Methods: Ten children diagnosed with EOS who underwent MCGR surgery from January 2013 to December 2020 were enrolled. The height from the first thoracic vertebra to the first sacral vertebra (T1S1) and the thoracic kyphosis (TK) and lumbar lordosis (LL) angles were measured. In addition, complications that occurred during the follow-up period and unplanned additional operations were described, and methods to prevent them were studied.
Results: At the preoperative examination and last follow-up, the Cobb angle showed an average correction of 43.2% from 73.2° to 41.7°, TK decreased by 17.4% from 42.9° to 35.5°, and the LL decreased by about 7% from 36.5° to 33.9°. The spinal growth rate, measured by T1S1, was 23.7%. Sub-laminar taping was additionally applied to fix the proximal part in four recently treated patients, and there was no more proximal anchor failure.
Conclusions: As a surgical treatment for EOS, MCGRs can be a more useful treatment than other existing methods in terms of non-invasiveness. However, surgeons should be aware of complications. In addition, proximal sub-laminar taping may be helpful to prevent failure of the proximal anchor.
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KEYWORD
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Scoliosis, Growing rod, Magnetically controlled growing rods
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