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Excessive swelling of nerve roots : Important factor for recurring sciatica after lumbar surgery
Yu Feng1, Feng Cai1, Liang Chen2
1Department of Orthopaedic Surgery, the First Affiliated Hospital of Soochow University, 215006, Suzhou, China.
Der Orthopade
|August 24, 2019
Summary
Unexpected nerve root swelling after surgery for degenerative lumbar disease is linked to recurrent radiating pain. Further intervention can gradually relieve these recurring symptoms.
Area of Science:
- Neurosurgery
- Orthopedics
- Radiology
Background:
- Degenerative lumbar disease often requires surgical intervention.
- Recurrent radicular pain can significantly impact patient quality of life post-surgery.
Purpose of the Study:
- To investigate the occurrence of unexpected nerve root swelling.
- To determine the relationship between nerve root edema and recurrent radicular pain.
Main Methods:
- Retrospective analysis of 462 patients with degenerative lumbar disease undergoing surgery.
- Magnetic resonance imaging (MRI) to assess nerve root diameter.
- Comparison of 13 patients with recurrent pain (study group) and 24 asymptomatic controls.
- Clinical outcomes evaluated using Visual Analog Scale (VAS), Oswestry Disability Index (ODI), and SF-36.
Main Results:
- Postoperative nerve root diameter was significantly larger in the study group compared to controls.
- Recurrent radicular pain correlated with increased VAS scores.
- Subsequent surgery improved pain to control levels, but quality of life remained lower in the study group initially.
- Clinical outcomes at 3 months post-re-exploration showed no significant difference between groups.
Conclusions:
- Excessive nerve root swelling is a key factor in recurrent radiating pain following surgery for degenerative lumbar disease.
- Re-exploration surgery can lead to gradual relief of recurrent symptoms.
- Nerve root edema management is crucial for improving long-term outcomes.
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