Abstract
Purpose
Although spinal fusion (SF) is considered “definitive” treatment in juvenile/adolescent idiopathic scoliosis (JIS/AIS), complications requiring reoperation continue to occur. The purpose of this study was to characterize the evolving rates of reoperation following SF in JIS/AIS.
Methods
Single-center retrospective review of patients who underwent SF for JIS/AIS as their index surgical treatment between 2013 and 2019. Patient data were collected to identify complications requiring reoperation and factors associated with reoperation. Complication rates from 2013 to 2019 were compared to patients from 1988 to 2012 at the same institution.
Results
This study analyzed 934 patients (81.7% female, mean age at surgery 14.5 ± 2.1). Thirty-eight patients (4.1%) required a total of 47 reoperations, a > 50% decrease in overall complication rate from the 2008–2012 population (4.1% vs 9.6%, respectively, p < 0.001). The decrease stemmed mainly from decreases in rates of infection (1.1% vs 4.1%, p < 0.001) and symptomatic implants (0.4% vs 2.1%, p = 0.004). There were, however, non-significant increases in implant failures (0.6% vs 0.2%, p = 0.4367) and pseudoarthrosis (1.0% vs 0.4%, p = 0.5202). Both of these complications were associated with patients with a higher mean weight (implant failure: 70.4 kg ± 21.1 vs 56.1 kg ± 14.9, p = 0.002; pseudoarthrosis: 85.8 kg ± 27.9 vs 55.9 ± 14.5, p = 0.001).
Conclusions
Reoperation following SF for JIS/AIS has decreased over the past 7 years when compared to 25 years of historical controls. The changing landscape of reoperation demands further research into the risk factors for those reoperations that have become more common.
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Data availability
Data will not be available.
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AJ: study design, data analysis, data interpretation, manuscript drafting, manuscript approval, and accountable. A-MD, EL, SP, and DT: study design, data analysis, data interpretation, manuscript approval, and accountable. C-hJ: data analysis, data interpretation, manuscript approval, and accountable. WM: study design, data analysis, data interpretation, manuscript approval, and accountable. BR, MJ: study design, data analysis, data interpretation, manuscript editing, manuscript approval, and accountable.
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Jamnik, A.A., Datcu, AM., Lachmann, E. et al. Repeat surgical interventions following “definitive” instrumentation and fusion for idiopathic scoliosis: a 30-year update. Spine Deform 12, 99–107 (2024). https://doi.org/10.1007/s43390-023-00742-6
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DOI: https://doi.org/10.1007/s43390-023-00742-6