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Background <p>While spinopelvic fixation effectively restores alignment in traumatic injuries, long-term patient-centered outcomes, particularly chronic pain, are poorly characterized. This study aimed to evaluate one-year multidimensional outcomes, with a focused analysis on the prevalence and predictors of chronic pain following this surgery.</p> Methods <p>A prospective cohort study was conducted at two trauma centers. Forty-five consecutive adult patients with traumatic spinopelvic instability undergoing fixation were enrolled. Outcomes included the Majeed Pelvic Score (MPS), pain (VAS), function (SF-36 PF, Barthel Index), and radiographic alignment. Chronic pain (VAS &gt; 4 for ≥ 2 months beyond 3 months post-op) was a primary focus. Regression analysis was performed to identify predictors of chronic pain. Assessments occurred preoperatively and at 2 weeks, 1, 3, 6, and 12 months.</p> Results <p>The cohort (mean age 41.9 ± 13.5; 73.3% male) showed significant improvement in MPS (from 35.0 ± 8.2 to 84.0 ± 7.1 at one year, <i>p</i> &lt; 0.001) and radiographic parameters (<i>p</i> &lt; 0.001). Despite an overall reduction in mean VAS, chronic pain was prevalent in 77.8% (<i>n</i> = 35). In multivariate logistic regression, independent predictors of chronic pain at one year included higher preoperative VAS (OR = 1.8, 95%CI 1.2–2.7, <i>p</i> = 0.004), the presence of neurological injury at presentation (OR = 4.3, 95%CI 1.1–16.9, <i>p</i> = 0.037), and less optimal postoperative radiographic reduction (vertical displacement &gt;5&#xa0;mm) (OR = 3.5, 95%CI 1.2–10.1, <i>p</i> = 0.021). The complication rate was 20%.</p> Conclusion <p>Spinopelvic fixation leads to excellent functional and radiographic outcomes. However, chronic pain remains a highly prevalent and distinct challenge. We identified preoperative pain intensity, neurological injury, and suboptimal reduction as key predictors. These findings argue for a stratified postoperative approach, integrating advanced pain management and neurological rehabilitation from the outset for high-risk patients, beyond achieving anatomical success alone.</p> Level of evidence <p>III (Prognostic study).</p>

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Chronic pain despite anatomical restoration: a prospective cohort study on one-year outcomes and pain predictors following spinopelvic fixation for trauma

  • 期刊论文

  • 发表日期：

    2026年6月22日

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  • Mohammad Reza Bazavar,
  • Yasin Sharifzadeh,
  • Hossein Hushmand,
  • Aran Nikpay,
  • Ali Sadighi,
  • Mehrdad Zamani

摘要

Background

While spinopelvic fixation effectively restores alignment in traumatic injuries, long-term patient-centered outcomes, particularly chronic pain, are poorly characterized. This study aimed to evaluate one-year multidimensional outcomes, with a focused analysis on the prevalence and predictors of chronic pain following this surgery.

Methods

A prospective cohort study was conducted at two trauma centers. Forty-five consecutive adult patients with traumatic spinopelvic instability undergoing fixation were enrolled. Outcomes included the Majeed Pelvic Score (MPS), pain (VAS), function (SF-36 PF, Barthel Index), and radiographic alignment. Chronic pain (VAS > 4 for ≥ 2 months beyond 3 months post-op) was a primary focus. Regression analysis was performed to identify predictors of chronic pain. Assessments occurred preoperatively and at 2 weeks, 1, 3, 6, and 12 months.

Results

The cohort (mean age 41.9 ± 13.5; 73.3% male) showed significant improvement in MPS (from 35.0 ± 8.2 to 84.0 ± 7.1 at one year, p < 0.001) and radiographic parameters (p < 0.001). Despite an overall reduction in mean VAS, chronic pain was prevalent in 77.8% (n = 35). In multivariate logistic regression, independent predictors of chronic pain at one year included higher preoperative VAS (OR = 1.8, 95%CI 1.2–2.7, p = 0.004), the presence of neurological injury at presentation (OR = 4.3, 95%CI 1.1–16.9, p = 0.037), and less optimal postoperative radiographic reduction (vertical displacement >5 mm) (OR = 3.5, 95%CI 1.2–10.1, p = 0.021). The complication rate was 20%.

Conclusion

Spinopelvic fixation leads to excellent functional and radiographic outcomes. However, chronic pain remains a highly prevalent and distinct challenge. We identified preoperative pain intensity, neurological injury, and suboptimal reduction as key predictors. These findings argue for a stratified postoperative approach, integrating advanced pain management and neurological rehabilitation from the outset for high-risk patients, beyond achieving anatomical success alone.

Level of evidence

III (Prognostic study).