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Purpose <p>To evaluate the clinical efficacy of ultrasound-guided local anesthetic injection combined with myofascial trigger point mini-needle knife therapy for acute lumbar sprain management.</p> Methods <p>In this prospective study, 60 patients (January–July 2024) received ultrasound-guided injections at the third lumbar (<i>L</i>3) transverse process attachment and posterior medial spinal nerve branch, combined with miniscalpel-needle release of MTrPs. Visual analog scale (VAS), modified Oswestry disability index (MODI), and lumbar range of motion (ROM) were assessed pre-treatment and on days 3 and 7 post-treatment.</p> Results <p>VAS scores, modified ODI scores, and ROM scores on days 3 and 7 post-treatment were significantly reduced compared to baseline (all <i>P</i> &lt; 0.001). Further pairwise comparisons revealed statistically significant improvements in VAS scores (MD − 1.25; 98.33% CI − 1.50 to − 0.75; <i>P</i> &lt; 0.001) and modified ODI scores (MD − 2.50; 98.33% CI − 3.00 to − 2.00; <i>P</i> &lt; 0.001) from day 3 to day 5. However, no significant change in ROM scores was observed between days 3 and 7, indicating rapid stabilization of mobility metrics.</p> Conclusions <p>The integration of ultrasound-guided anesthesia and miniscalpel-needle therapy provides rapid pain relief, functional recovery, and mobility restoration in acute lumbar sprain. This multimodal approach demonstrates clinical efficacy with minimized invasiveness, aligning with evidence supporting ultrasound-guided precision and MTrP-targeted interventions.</p>

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Ultrasound-guided drug injection combined with mini-needle knife therapy for acute lumbar sprain: a prospective interventional study

  • 期刊论文

  • 发表日期：

    2025年3月11日

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  • Yi Xiao,
  • Yi Zhang,
  • Shenyi Li,
  • Xiangdang Long,
  • Yingxin Su,
  • Zhiyong Zeng,
  • Jing Yan,
  • Xi Li,
  • Shibo Fu

摘要

Purpose

To evaluate the clinical efficacy of ultrasound-guided local anesthetic injection combined with myofascial trigger point mini-needle knife therapy for acute lumbar sprain management.

Methods

In this prospective study, 60 patients (January–July 2024) received ultrasound-guided injections at the third lumbar (L3) transverse process attachment and posterior medial spinal nerve branch, combined with miniscalpel-needle release of MTrPs. Visual analog scale (VAS), modified Oswestry disability index (MODI), and lumbar range of motion (ROM) were assessed pre-treatment and on days 3 and 7 post-treatment.

Results

VAS scores, modified ODI scores, and ROM scores on days 3 and 7 post-treatment were significantly reduced compared to baseline (all P < 0.001). Further pairwise comparisons revealed statistically significant improvements in VAS scores (MD − 1.25; 98.33% CI − 1.50 to − 0.75; P < 0.001) and modified ODI scores (MD − 2.50; 98.33% CI − 3.00 to − 2.00; P < 0.001) from day 3 to day 5. However, no significant change in ROM scores was observed between days 3 and 7, indicating rapid stabilization of mobility metrics.

Conclusions

The integration of ultrasound-guided anesthesia and miniscalpel-needle therapy provides rapid pain relief, functional recovery, and mobility restoration in acute lumbar sprain. This multimodal approach demonstrates clinical efficacy with minimized invasiveness, aligning with evidence supporting ultrasound-guided precision and MTrP-targeted interventions.