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  • Title: Bacteroides fragilis vertebral osteomyelitis complicated by percutaneous epidural adhesiolysis.
    Author: Han IH, Choi BK, Nam KH, Kim SY.
    Journal: Spine (Phila Pa 1976); 2013 Apr 01; 38(7):E431-5. PubMed ID: 23324937.
    Abstract:
    STUDY DESIGN: A case report of anaerobic vertebral osteomyelitis after percutaneous epidural adhesiolysis. OBJECTIVE: To present a case of Bacteroides fragilis spondylodiscitis (BFS) secondary to percutaneous epidural adhesiolysis in a 38-year-old woman without predisposing factors. SUMMARY OF BACKGROUND DATA: Most cases of BFS result from hematogenous spread from a perianal abscess or sigmoidoscopy or local spread from an adjacent infection. However, BFS due to direct inoculation after percutaneous epidural adhesiolysis has not been previously reported. METHODS: A 38-year-old woman presented with spondylodiscitis at the L4-L5 level 2 weeks after percutaneous epidural adhesiolysis. Despite empirical antibiotherapy, the spondylodiscitis and an epidural abscess became much aggravated. Open biopsy and curettage was performed, and metronidazole sensitive Bacteroides fragilis was identified by tissue culture. RESULTS: Metronidazole was administrated for 5 weeks and symptoms were completely resolved. Follow-up magnetic resonance imaging showed that the spondylodiscitis was completely cured. CONCLUSION: This is the first report to be issued regarding BFS secondary to percutaneous epidural adhesiolysis. In our case, the pathogenesis may have been direct inoculation of Bacteroides fragilis into the epidural space and disc during percutaneous epidural adhesiolysis because the procedural approach used was adjacent to the anus.
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