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DFO Medical Management — SCE Infectious Diseases MCQ

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ModerateBone & Joint InfectionDFO Medical ManagementSCE Infectious Diseases

A 55-year-old man with diabetes develops a foot ulcer that probes to bone. MRI confirms osteomyelitis of the 2nd metatarsal head. He is a poor surgical candidate due to peripheral vascular disease. Can osteomyelitis be cured with antibiotics alone without surgery?

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Correct answer: A — Prolonged antibiotics (6+ weeks, sometimes 3+ months) without surgery can achieve remission in 60–70% of diabetic foot osteomyelitis — this is an established alternative when surgery is not feasible

The paradigm that all osteomyelitis requires surgery has been challenged. For diabetic foot osteomyelitis (DFO), several studies (including the OVIVA trial and DFO studies) show that prolonged antibiotic therapy alone can achieve remission in 60–70% of cases, particularly when: the forefoot is involved (rather than hindfoot), there is no large sequestrum, and the patient responds to initial IV therapy. This 'medical' approach is valuable when: surgery risks limb viability (PVD), the patient is a poor surgical candidate, or the patient declines surgery. Duration: 6 weeks minimum, often 3–6 months.

Reference: NICE NG19 2015 – Diabetic foot; BSAC 2015 – Osteomyelitis; IWGDF 2023