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Effectiveness of Transpedicular Dynamic Stabilization in Treating Discogenic Low Back Pain
Lei Luo1, Chengmin Zhang1, Qiang Zhou1
1Department of Orthopedic Surgery, Southwest Hospital, The Army (Third Military) Medical University, Chongqing, China.
World Neurosurgery
|December 19, 2017
Summary
Dynamic stabilization effectively treated discogenic low back pain, improving patient outcomes and promoting some disc regeneration. This surgical approach demonstrated significant pain reduction and functional improvement in carefully selected patients.
Area of Science:
- Spine surgery
- Orthopedic surgery
- Degenerative disc disease
Background:
- Discogenic low back pain is a common cause of disability.
- Dynamic stabilization offers a less rigid alternative to traditional fusion for spinal instability.
Purpose of the Study:
- To evaluate clinical outcomes and radiographic changes after dynamic stabilization for discogenic low back pain.
- To assess the safety and efficacy of the Wiltse approach for dynamic stabilization.
Main Methods:
- Prospective study of 23 patients with discogenic low back pain treated with dynamic stabilization (April 2012-January 2015).
- Clinical assessments included Visual Analog Scale (VAS) and Oswestry Disability Index (ODI).
- Radiographic evaluation included lumbar range of motion, intervertebral disc height, and Woodend classification via MRI.
Main Results:
- Significant improvements in VAS and ODI scores were observed postoperatively (P < 0.05).
- Intervertebral disc height increased significantly at stabilized segments, though returned to baseline by last follow-up.
- 47.4% of flexion/extension range of motion was retained at the operated segment, with 6 discs showing improved hydration (Woodend classification).
Conclusions:
- Dynamic stabilization is a safe and effective treatment for carefully selected patients with discogenic low back pain.
- The procedure can lead to partial disc regeneration and preservation of spinal mobility.
