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Diffusion Tensor Magnetic Resonance Imaging in Chronic Spinal Cord Compression
Published on: May 7, 2019
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Reducing surgical levels by paraspinal mapping and diffusion tensor imaging techniques in lumbar spinal stenosis
Hua-Biao Chen1, Qi Wan2, Qi-Feng Xu3
1Department of Orthopaedic, First Affiliated Hospital, Guangzhou Medical University, 151 Yanjiang Road, Guangzhou, 510120, People's Republic of China.
Journal of Orthopaedic Surgery and Research
|April 27, 2016
Summary
Diffusion tensor imaging (DTI) and paraspinal mapping (PM) improve lumbar spinal stenosis surgery by reducing decompression levels compared to conventional MRI and neurogenic examination (NE). These advanced techniques enhance surgical safety and outcomes without compromising pain relief or function.
Area of Science:
- Neurosurgery
- Radiology
- Spinal Surgery
Background:
- Conventional MRI and neurogenic examination (NE) lack reliability in correlating clinical symptoms with surgical levels for lumbar spinal stenosis.
- Discrepancies between radiological findings and clinical symptoms can lead to extensive surgery and complications.
Purpose of the Study:
- To evaluate if diffusion tensor imaging (DTI) and paraspinal mapping (PM) can prevent false positives in conventional MRI.
- To differentiate clinically relevant nerve root lesions from MRI findings.
- To determine if DTI and PM reduce lumbar spinal stenosis decompression levels compared to MRI + NE while maintaining or improving surgical outcomes.
Main Methods:
- A comparative study involving 114 patients undergoing lumbar spinal stenosis decompression.
- Patients were divided into two groups: MRI + (PM or DTI) and conventional MRI + NE.
- Outcome measures including pain scores and disability indices were assessed at 2 weeks, 3, 6, and 12 months postoperatively.
Main Results:
- The MRI + (PM or DTI) group showed significantly fewer decompression levels than the MRI + NE group (p=0.000).
- The experimental group had significantly reduced surgical time, blood loss, and transfusion requirements (p=0.001, p=0.011, p=0.001).
- No significant differences were observed in visual analog scale (VAS) pain scores or Oswestry Disability Index (ODI) scores between the groups at any follow-up point.
Conclusions:
- MRI with DTI and PM offers significant advantages over conventional MRI + NE for determining decompression levels in lumbar spinal stenosis.
- Utilizing PM and DTI techniques enhances surgical safety and benefits by reducing decompression levels in patients with lumbar spinal stenosis.
