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Decompression alone versus fusion for pyogenic spondylodiscitis.
Sung Hyun Noh1, Ho Yeol Zhang2, Hyun Sun Lim3
1Department of Neurosurgery, National Health Insurance Service, Ilsan Hospital, 100 Ilsan-ro, Ilsan-donggu, Goyang-si, Gyeonggi-do 10444, South Korea.
Summary
For spinal infections without instability, decompression alone is effective. If instability is present, decompression plus fusion surgery achieves spinal stability.
Area of Science:
- Spine surgery
- Infectious diseases
- Orthopedics
Background:
- Pyogenic spondylodiscitis presents significant challenges for spine surgeons.
- Optimal treatment strategies involving antibiotics and surgical instrumentation remain debated.
Purpose of the Study:
- To compare the efficacy of different surgical methods for treating pyogenic spondylodiscitis.
- To determine the best approach for managing spinal infections.
Main Methods:
- Retrospective chart review of 31 patients with pyogenic spondylodiscitis treated between 2000 and 2016.
- Patients were divided into decompression alone (Group I) and decompression plus fusion (Group II) groups based on preoperative instability.
- Outcomes assessed via visual analog scale (VAS), radiographic measurements of spinal instability (translation and rotation), and laboratory markers (ESR, CRP).
Main Results:
- Both groups achieved spinal stability post-operation.
- Group I (decompression alone) showed significantly less preoperative translation and rotation compared to Group II (decompression plus fusion).
- Group I patients experienced shorter antibiotic treatment durations, faster normalization of ESR and CRP, and shorter hospital stays.
Conclusions:
- Decompression alone is effective for pyogenic spondylodiscitis when no instability is present and antibiotics are administered promptly.
- Decompression plus fusion is indicated when preoperative radiographic studies reveal spinal instability.
- Surgical approach should be tailored to the presence or absence of instability for optimal patient outcomes.