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Creating Rigidly Stabilized Fractures for Assessing Intramembranous Ossification, Distraction Osteogenesis, or Healing of Critical Sized Defects
Published on: April 11, 2012
Pathologic fractures in children with acute Staphylococcus aureus osteomyelitis
Mohan V Belthur1, Sherri B Birchansky, Alejandro A Verdugo
1Sinai Hospital of Baltimore, 2401 West Belvedere Avenue, Baltimore, MD 21215, USA.
The Journal of Bone and Joint Surgery. American Volume
|January 6, 2012
Summary
Children with Staphylococcus aureus osteomyelitis face a risk of pathologic fractures. Key risk factors include methicillin-resistant Staphylococcus aureus (MRSA) and specific MRI findings like subperiosteal abscesses.
Area of Science:
- Pediatric Orthopedics
- Infectious Diseases
- Musculoskeletal Health
Background:
- Osteomyelitis is a common pediatric bone infection.
- It can weaken bone structure, increasing fracture risk.
- Staphylococcus aureus is a frequent causative agent.
Purpose of the Study:
- To identify risk factors for pathologic fractures in children with Staphylococcus aureus osteomyelitis.
- To compare fracture patients with non-fracture osteomyelitis controls.
Main Methods:
- Retrospective review of 17 pediatric patients with pathologic fractures secondary to S. aureus osteomyelitis.
- Comparison with 49 matched controls with S. aureus osteomyelitis but no fracture.
- Analysis of clinical records, MRI, and microbiologic data.
Main Results:
- Patients with fractures were often infected with methicillin-resistant Staphylococcus aureus (MRSA).
- MRI revealed larger subperiosteal abscesses and diminished marrow enhancement in fracture patients.
- The USA300-0114 pulsotype was associated with higher fracture likelihood.
Conclusions:
- Staphylococcus aureus osteomyelitis poses a significant risk for pediatric pathologic fractures.
- Activity restriction and protected weight-bearing are advised for at-risk children.
- Early identification of risk factors can guide management and prevent complications.
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