Treatment of Osteomyelitis in Adults with Bone Culture Positive for Cutibacterium acnes
Clinical Scenario
This protocol covers adult patients with osteomyelitis in whom bone culture has returned positive for Cutibacterium acnes (formerly known as Propionibacterium acnes). Identification of this specific organism from bone culture directly determines the antibiotic strategy.
Why Organism Identification Drives Treatment
Antibiotic selection in osteomyelitis is specific to culture results. When Cutibacterium acnes is isolated from bone, a targeted agent is selected based on that result rather than an empirical broad-spectrum approach. Choosing the correct agent for this organism is essential to adequate management.
Treatment Approach (partial)
Management involves intravenous antibiotic therapy with an agent selected according to the Cutibacterium acnes bone culture result. The complete regimen — including the specific agent, dose, frequency, route, and duration — is available in the full structured protocol.
References
- Initial Antibiotic Therapy for Osteomyelitis in Adults
- The choice of antibiotic therapy is specific to the culture results listed in Table 3.
- Cutibacterium acnes (formerly known as Propionibacterium acnes)
- Ceftriaxone, 2 g IV every 24 hours
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