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Ultrasound-Guided Steroid Injection for Low Back Pain Caused by Bilateral Pars Interarticularis Defects With
Jose Uriel Perez1, Derek Cooper1, Karamjot Sidhu1,2
1University of Calgary, Cumming School of Medicine, Calgary, AB, Canada.
Pain Medicine Case Reports
|September 3, 2025
Summary
Ultrasound-guided pars injections offer an effective alternative for managing low back pain associated with pars defects. This technique provides real-time visualization and reduces radiation exposure compared to traditional methods.
Area of Science:
- Pain Management
- Medical Imaging
- Musculoskeletal Disorders
Background:
- Low back pain is a common condition with diverse causes, including pars interarticularis defects.
- Fluoroscopic guidance is the traditional method for pars injections, but ultrasound guidance is emerging as a viable alternative.
- Ultrasound offers benefits such as real-time imaging, reduced radiation, and enhanced patient access.
Observation:
- A 51-year-old male with chronic low back pain received bilateral ultrasound-guided pars injections.
- Needle placement was verified using both ultrasound and fluoroscopic imaging.
- The patient experienced substantial and sustained pain relief at three months post-procedure.
Findings:
- Ultrasound-guided pars injections can be technically performed with accuracy.
- This minimally invasive procedure led to significant pain reduction in the patient.
- The positive outcomes were maintained over a three-month follow-up period.
Implications:
- Ultrasound guidance presents a safe and effective alternative for pars injections in managing low back pain.
- This technique may improve patient outcomes and procedural safety by minimizing radiation exposure.
- Further research into ultrasound-guided interventions for spinal conditions is warranted.
