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Peer-reviewedCC BY-NC-ND 4.0Global Spine Journal

Long-Term Outcomes of the Sliding-Growing Rod Technique in Early-Onset Scoliosis: Deformity Control, Spinal Growth, and Implant Survival

  • Muhammed Enes Karataş1
  • Salih Karaca2
  • Hasan Turğut3
  • Öner Tatar3
  • Yusuf Bayram4
  • Bekir Yavuz Uçar3
4 affiliations
  1. 1Istanbul Medeniyet University, Department of Orthopaedics and Traumatology, Istanbul, Turkey
  2. 2Medipol University, Department of Orthopaedics and Traumatology, Istanbul, Turkey
  3. 3Emsey Hospital, Department of Orthopaedics and Traumatology, Istanbul, Turkey
  4. 4Hisar Intercontinental Hospital, Department of Orthopaedics and Traumatology, Istanbul, Turkey
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Abstract

Study Design: Retrospective study.

Objectives: To evaluate the long-term outcomes of sliding-growing rod technique (SGRT) in early-onset scoliosis and assess rod translation through the domino connector as a radiographic marker of preserved sliding function during postoperative spinal growth.

Methods: Consecutive patients who underwent primary SGRT between 2012 and 2019 were reviewed. Inclusion required at least 5 years of follow-up and complete radiographic and revision data. Major Cobb angle, T1–S1 and T1–T12 lengths, and rod translation were measured serially. Correction-related length gain was analyzed separately from subsequent postoperative growth. Correlation analyses assessed the relationship between rod translation and T1–S1 growth, and revision-free implant survival was estimated using Kaplan–Meier analysis.

Results: Twenty-three patients were followed for a mean of 93.9 ± 16.8 months. The major Cobb angle improved from 78.9 ± 12.3° preoperatively to 19.3 ± 7.0° early postoperatively and was 24.6 ± 7.4° at final follow-up. Postoperative longitudinal length gain was 106.0 mm for T1–S1 and 72.9 mm for T1–T12, with annualized postoperative radiographic length-gain rates of 13.9 and 9.6 mm/year, respectively. Final rod translation was 56.4 ± 7.8 mm and correlated with postoperative T1–S1 growth (r = 0.73, P < .001). Four patients underwent unplanned revision. Revision-free implant survival was 95.7% at 2 years, 91.3% at 5 years, and 82.6% at 6 years. The mean final EOSQ-24 score was 79.9 ± 11.3.

Conclusions: SGRT treatment was associated with durable correction, continued postoperative spinal length gain, and acceptable revision-free implant survival without planned lengthening procedures. Serial rod translation may provide a reproducible radiographic marker of preserved sliding function during follow-up.

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Cite

BibTeXRIS
BibTeX
@article{karatas2026longterm,
  title = {{Long-Term Outcomes of the Sliding-Growing Rod Technique in Early-Onset Scoliosis: Deformity Control, Spinal Growth, and Implant Survival}},
  author = {Muhammed Enes Karataş and Salih Karaca and Hasan Turğut and Öner Tatar and Yusuf Bayram and Bekir Yavuz Uçar},
  journal = {Global Spine Journal},
  year = {2026},
  month = oct,
  doi = {10.1177/21925682261501038},
  url = {https://doi.org/10.1177/21925682261501038},
  note = {CC BY-NC-ND 4.0},
}
RIS
TY  - JOUR
TI  - Long-Term Outcomes of the Sliding-Growing Rod Technique in Early-Onset Scoliosis: Deformity Control, Spinal Growth, and Implant Survival
AU  - Muhammed Enes Karataş
AU  - Salih Karaca
AU  - Hasan Turğut
AU  - Öner Tatar
AU  - Yusuf Bayram
AU  - Bekir Yavuz Uçar
PY  - 2026
DA  - 2026/10/26
JO  - Global Spine Journal
DO  - 10.1177/21925682261501038
UR  - https://doi.org/10.1177/21925682261501038
AB  - Study Design: Retrospective study.  Objectives: To evaluate the long-term outcomes of sliding-growing rod technique (SGRT) in early-onset scoliosis and assess rod translation through the domino connector as a radiographic marker of preserved sliding function during postoperative spinal growth.  Methods: Consecutive patients who underwent primary SGRT between 2012 and 2019 were reviewed. Inclusion required at least 5 years of follow-up and complete radiographic and revision data. Major Cobb angle, T1–S1 and T1–T12 lengths, and rod translation were measured serially. Correction-related length gain was analyzed separately from subsequent postoperative growth. Correlation analyses assessed the relationship between rod translation and T1–S1 growth, and revision-free implant survival was estimated using Kaplan–Meier analysis.  Results: Twenty-three patients were followed for a mean of 93.9 ± 16.8 months. The major Cobb angle improved from 78.9 ± 12.3° preoperatively to 19.3 ± 7.0° early postoperatively and was 24.6 ± 7.4° at final follow-up. Postoperative longitudinal length gain was 106.0 mm for T1–S1 and 72.9 mm for T1–T12, with annualized postoperative radiographic length-gain rates of 13.9 and 9.6 mm/year, respectively. Final rod translation was 56.4 ± 7.8 mm and correlated with postoperative T1–S1 growth (r = 0.73, P < .001). Four patients underwent unplanned revision. Revision-free implant survival was 95.7% at 2 years, 91.3% at 5 years, and 82.6% at 6 years. The mean final EOSQ-24 score was 79.9 ± 11.3.  Conclusions: SGRT treatment was associated with durable correction, continued postoperative spinal length gain, and acceptable revision-free implant survival without planned lengthening procedures. Serial rod translation may provide a reproducible radiographic marker of preserved sliding function during follow-up.
SN  - 2192-5682
SN  - 2192-5690
ER  -