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Purpose <p>To evaluate the safety, technical success, and clinical outcomes of CT-guided sacroiliac joint (SIJ) injections in patients with chronic sacroiliitis and to assess the impact of disease etiology, age, and body mass index (BMI) on therapeutic response.</p> Materials and methods <p>This retrospective study included 80 patients with clinically and radiologically confirmed sacroiliitis who underwent CT-guided intra-articular SIJ injection between February 2020 and May 2022. Pain and disability were assessed using the Numerical Rating Scale (NRS) and the Oswestry Disability Index (ODI) at baseline and at 1-week, 1-month, and 6-month follow-up intervals. Patients were stratified by etiology (inflammatory vs degenerative), age, and BMI.</p> Results <p>All procedures were technically successful and complication-free. Mean NRS scores improved from 6.86 ± 1.20 at baseline to 2.26 ± 0.78 at 6&#xa0;months (<i>p</i> &lt; 0.001). ODI scores decreased from 37.28 ± 9.84 to 5.68 ± 2.49 (<i>p</i> &lt; 0.001). Greater ODI improvement was observed in inflammatory cases compared to degenerative ones (<i>p</i> &lt; 0.05), though both subgroups showed significant clinical benefit. Age and BMI did not significantly affect outcomes.</p> Conclusion <p>CT-guided SIJ injection is a safe and effective intervention for sacroiliitis, yielding sustained pain relief and functional improvement across both inflammatory and degenerative etiologies, independent of age and BMI.</p>

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CT-guided sacroiliac joint injection for chronic sacroiliitis: outcomes and predictors in a retrospective cohort study

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2026年3月11日

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  • Mostafa Farouk Balbaa,
  • Antonio Barile,
  • Mohamed Mahmoud El Shafei,
  • Hoda Mohammed Aly Abdel Naby,
  • Anna Maria Ierardi,
  • Mohamed Ragab Nouh,
  • Tarek El Sakka,
  • Pierpaolo Biondetti,
  • Francesco Arrigoni,
  • Gianpaolo Carrafiello,
  • Mamdouh Ahmed Zidan

摘要

Purpose

To evaluate the safety, technical success, and clinical outcomes of CT-guided sacroiliac joint (SIJ) injections in patients with chronic sacroiliitis and to assess the impact of disease etiology, age, and body mass index (BMI) on therapeutic response.

Materials and methods

This retrospective study included 80 patients with clinically and radiologically confirmed sacroiliitis who underwent CT-guided intra-articular SIJ injection between February 2020 and May 2022. Pain and disability were assessed using the Numerical Rating Scale (NRS) and the Oswestry Disability Index (ODI) at baseline and at 1-week, 1-month, and 6-month follow-up intervals. Patients were stratified by etiology (inflammatory vs degenerative), age, and BMI.

Results

All procedures were technically successful and complication-free. Mean NRS scores improved from 6.86 ± 1.20 at baseline to 2.26 ± 0.78 at 6 months (p < 0.001). ODI scores decreased from 37.28 ± 9.84 to 5.68 ± 2.49 (p < 0.001). Greater ODI improvement was observed in inflammatory cases compared to degenerative ones (p < 0.05), though both subgroups showed significant clinical benefit. Age and BMI did not significantly affect outcomes.

Conclusion

CT-guided SIJ injection is a safe and effective intervention for sacroiliitis, yielding sustained pain relief and functional improvement across both inflammatory and degenerative etiologies, independent of age and BMI.