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Background <p>Intramedullary nailing (IMN) is the standard treatment for tibial shaft fractures, but the choice between the suprapatellar and infrapatellar approaches remains debated. This study aims to compare the effectiveness, functional outcomes, and safety of both approaches.</p> Material and methods <p>This retrospective study included 126 adult patients with tibial shaft fractures treated with IMN between January 2020 and December 2022. Patients were divided into suprapatellar (<i>n</i> = 66) and infrapatellar (<i>n</i> = 60) groups. Outcomes assessed included operative time, fluoroscopy exposure, hospital stay, fracture healing time, knee function (Lysholm score), time to removal of internal fixation, complication rates, and clinical effectiveness (excellent-good rate).</p> Results <p>The suprapatellar group showed significantly shorter operative time (75.86 ± 9.80&#xa0;min vs. 84.17 ± 10.47&#xa0;min, <i>p</i> &lt; 0.001), fewer fluoroscopy exposures (18.01 ± 4.89 vs. 32.13 ± 5.77, <i>p</i> &lt; 0.001), and shorter hospital stay (6.73 ± 1.10&#xa0;days vs. 8.05 ± 0.85&#xa0;days, <i>p</i> &lt; 0.001). Lysholm scores were significantly higher in the suprapatellar group (91.09 ± 6.42 vs. 82.04 ± 7.28, <i>p</i> &lt; 0.001), indicating better knee function. Complication rates, including anterior knee pain, were lower in the suprapatellar group (15.15 vs. 33.33%, <i>p</i> = 0.017). The excellent-good rates were comparable between groups (84.85 vs. 83.33%, <i>p</i> = 0.816).</p> Conclusions <p>The suprapatellar approach could offer benefits over the infrapatellar approach, including reduced operative time, fluoroscopy exposure, and hospital stay, as well as improved knee function and fewer complications. It might be a preferable option for tibial fracture fixation.</p>

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Evaluation of the effectiveness of suprapatellar versus infrapatellar approach in intramedullary nailing for the treatment of tibial fractures

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2025年7月9日

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  • Dan-Hai Wu,
  • Yong Zhang,
  • Ding Xu,
  • Wei-Gang Lou,
  • Jia-Yu Zhang

摘要

Background

Intramedullary nailing (IMN) is the standard treatment for tibial shaft fractures, but the choice between the suprapatellar and infrapatellar approaches remains debated. This study aims to compare the effectiveness, functional outcomes, and safety of both approaches.

Material and methods

This retrospective study included 126 adult patients with tibial shaft fractures treated with IMN between January 2020 and December 2022. Patients were divided into suprapatellar (n = 66) and infrapatellar (n = 60) groups. Outcomes assessed included operative time, fluoroscopy exposure, hospital stay, fracture healing time, knee function (Lysholm score), time to removal of internal fixation, complication rates, and clinical effectiveness (excellent-good rate).

Results

The suprapatellar group showed significantly shorter operative time (75.86 ± 9.80 min vs. 84.17 ± 10.47 min, p < 0.001), fewer fluoroscopy exposures (18.01 ± 4.89 vs. 32.13 ± 5.77, p < 0.001), and shorter hospital stay (6.73 ± 1.10 days vs. 8.05 ± 0.85 days, p < 0.001). Lysholm scores were significantly higher in the suprapatellar group (91.09 ± 6.42 vs. 82.04 ± 7.28, p < 0.001), indicating better knee function. Complication rates, including anterior knee pain, were lower in the suprapatellar group (15.15 vs. 33.33%, p = 0.017). The excellent-good rates were comparable between groups (84.85 vs. 83.33%, p = 0.816).

Conclusions

The suprapatellar approach could offer benefits over the infrapatellar approach, including reduced operative time, fluoroscopy exposure, and hospital stay, as well as improved knee function and fewer complications. It might be a preferable option for tibial fracture fixation.