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Multicenter Study
. 2023 May;11(3):605-615.
doi: 10.1007/s43390-023-00642-9. Epub 2023 Jan 6.

A 5-year follow-up of the effect of corrective surgery in young adults with idiopathic scoliosis

Alejandro Gomez-Rice  1 , María Capdevila-Bayo  2 , Susana Núñez-Pereira  3 , Sleiman Haddad  3 , Alba Vila-Casademunt  2 , Franciso Pérez-Grueso  4 , Frank Kleinstück  5 , Ibrahim Obeid  6 , Ahmet Alanay  7 , Ferran Pellise  3 , Javier Pizones  4 ; ESSG European Spine Study Group ESSG
Affiliations
Multicenter Study

A 5-year follow-up of the effect of corrective surgery in young adults with idiopathic scoliosis

Alejandro Gomez-Rice et al. Spine Deform. 2023 May.

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.

Keywords: Adult spinal deformity; Patient-reported outcome measures; Surgical decision making; Young adult idiopathic scoliosis.

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