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Objective <p>This study aimed to evaluate the clinical efficacy and safety of the dual growing rods (DGR) technique combined with preoperative halo-femoral traction (HFT) in treating early onset scoliosis (EOS), with a focus on spinal deformity correction, preservation of spinal growth, and complication management. The integral role of preoperative HFT in enabling DGR implantation for severe rigid curves was a primary focus of the analysis.</p> Methods <p>A retrospective study was conducted on 42 EOS patients treated with the DGR technique, with a mean follow-up of 38.10 ± 12.95&#xa0;months. Radiographic parameters—including Cobb angle, T1–S1 distance, apical vertebral translation (AVT), and sagittal alignment—were measured preoperatively, postoperatively, and at final follow-up. Complications were recorded and analyzed. Subgroup analysis compared patients with and without preoperative HFT.</p> Results <p>At final follow-up, the main Cobb angle correction rate was&#xa0;64.30% ± 17.51%, and the T1–S1 distance increased significantly (<i>p</i> &lt; 0.05), indicating preserved spinal growth. The overall complication rate was&#xa0;19.1% (8/42), including screw loosening or displacement (n = 3), hook disengagement (n = 2), proximal junctional kyphosis (n = 2), and wound-healing issues (n = 2). No significant association was found between complications and age, etiology, or HFT use (<i>p</i> &gt; 0.05). Patients undergoing preoperative HFT showed improved spinal flexibility, enabling successful DGR placement despite severe rigidity.</p> Conclusion <p>The DGR technique combined with preoperative HFT is a safe and effective treatment for EOS, achieving substantial deformity correction and supporting spinal growth. Preoperative HFT is a necessary adjunct for severe rigid deformities, directly enabling DGR implantation and enhancing correction efficacy.</p>

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Clinical efficacy of dual growing rods technique with preoperative halo-femoral traction in the treatment of early onset scoliosis

  • 期刊论文

  • 发表日期：

    2026年1月14日

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  • Tao Li,
  • Emmanuel Alonge,
  • Chaofeng Guo,
  • Hongqi Zhang

摘要

Objective

This study aimed to evaluate the clinical efficacy and safety of the dual growing rods (DGR) technique combined with preoperative halo-femoral traction (HFT) in treating early onset scoliosis (EOS), with a focus on spinal deformity correction, preservation of spinal growth, and complication management. The integral role of preoperative HFT in enabling DGR implantation for severe rigid curves was a primary focus of the analysis.

Methods

A retrospective study was conducted on 42 EOS patients treated with the DGR technique, with a mean follow-up of 38.10 ± 12.95 months. Radiographic parameters—including Cobb angle, T1–S1 distance, apical vertebral translation (AVT), and sagittal alignment—were measured preoperatively, postoperatively, and at final follow-up. Complications were recorded and analyzed. Subgroup analysis compared patients with and without preoperative HFT.

Results

At final follow-up, the main Cobb angle correction rate was 64.30% ± 17.51%, and the T1–S1 distance increased significantly (p < 0.05), indicating preserved spinal growth. The overall complication rate was 19.1% (8/42), including screw loosening or displacement (n = 3), hook disengagement (n = 2), proximal junctional kyphosis (n = 2), and wound-healing issues (n = 2). No significant association was found between complications and age, etiology, or HFT use (p > 0.05). Patients undergoing preoperative HFT showed improved spinal flexibility, enabling successful DGR placement despite severe rigidity.

Conclusion

The DGR technique combined with preoperative HFT is a safe and effective treatment for EOS, achieving substantial deformity correction and supporting spinal growth. Preoperative HFT is a necessary adjunct for severe rigid deformities, directly enabling DGR implantation and enhancing correction efficacy.