Abstract
Purpose
The purpose of this study was to determine mid-long-term outcomes (5 years) following surgery for young adult idiopathic scoliosis (YAdIS).
Methods
This is a retrospective review of a prospective, multicenter adult deformity database including patients operated on idiopathic scoliosis by a single posterior approach, age at surgery between 19 and 29 (considered young adults), and 5-year follow-up. Demographic, radiographic and PROMS were analyzed preoperatively, at 2 years and at final follow-up.
Results
Forty-two patients were included. Mean preoperative major curve angle was 59.65 ± 18.94. Main coronal curve initial correction was 56.38%, with 6% loss at 5 years. From baseline to 5 years after surgery, there was improvement in all PROMs (P < 0.004)—especially self-image-, except NRS-leg pain. This improvement was present at 6 months for all PROMs except for functional outcomes (SRS-Function and ODI) in which the improvement took place between 6 months and 2 years. In the 2- to 5-year follow-up period, no significant changes were seen in any PROMs. The percentage of patients reaching MCID from baseline at 5 years was: 75% for SRS-image, 45% for SRS-pain, 47.5% for SRS-function, 51.3% for SRS-mental, 42.5% for SRS-total and 15.4% for ODI. Patients reaching PASS at 5 years were: 88.1% for SRS-image, 81% for SRS-pain, 92.9% for SRS-function, 57.1% for SRS-mental, 88.1% for SRS-total, 92.7% for ODI and 69% for NRS pain. 11 minor and 4 major complications were identified.
Conclusion
YAdIS surgery resulted in an early and significant improvement in PROMs, especially for self-image, significantly reaching MCID and PASS thresholds. These results were maintained during long-term (5-year) follow-up.
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Data availability
The data that support the findings of this study are available from the corresponding author, [A G-R], upon reasonable request.
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Acknowledgements
The authors would like to express their gratitude to Alfonso Muriel, biostatistician, for his help in statistical analysis of this study.
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Substantial contributions to the conception or design of the work; or the acquisition, analysis, or interpretation of data for the work: AG-R, MC-B, SN-P, SH, AV-C, FP-G, FK, IO, AA, FP, JP, ESSG European Spine Study Group. Drafting the work or revising it critically for important intellectual content: AG-R, MC-B, SN-P, SH, AV-C, FP-G, FK, IO, AA, FP, JP, ESSG European Spine Study Group. Final approval of the version to be published: AG-R, MC-B, SN-P, SH, AV-C, FP-G, FK, IO, AA, FP, JP, ESSG European Spine Study Group. Accountable for all aspects of the work in ensuring that questions related to the accuracy or integrity of any part of the work are appropriately investigated and resolved: AG-R, MC-B, SN-P, SH, AV-C, FP-G, FK, IO, AA, FP, JP, ESSG European Spine Study Group.
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Gomez-Rice, A., Capdevila-Bayo, M., Núñez-Pereira, S. et al. A 5-year follow-up of the effect of corrective surgery in young adults with idiopathic scoliosis. Spine Deform 11, 605–615 (2023). https://doi.org/10.1007/s43390-023-00642-9
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DOI: https://doi.org/10.1007/s43390-023-00642-9