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Residual effects of septic arthritis in infancy and childhood
Insights
Septic arthritis in children can lead to long-term joint dysfunction, particularly in weight-bearing joints. Delayed diagnosis and treatment increase the risk of permanent sequelae and impaired ambulation.
Area of Science:
- Pediatric Orthopedics
- Infectious Diseases
Background:
- Septic arthritis commonly affects weight-bearing joints.
- In infants, joint dysfunction from septic arthritis may not be immediately apparent.
Purpose of the Study:
- To evaluate long-term sequelae in children treated for septic arthritis.
- To identify risk factors associated with residual joint damage.
Main Methods:
- Retrospective review of 50 septic arthritis episodes in 49 children.
- Follow-up evaluation conducted 1.5 to 12 years post-infection.
Main Results:
- 27% of children experienced sequelae, with 16% showing impaired ambulation.
- Hip and ankle involvement led to more residual damage than knee involvement.
- Delayed diagnosis and pus drainage correlated with increased sequelae.
Conclusions:
- Septic arthritis can result in significant long-term joint impairment in children.
- Early diagnosis and prompt surgical intervention are crucial for optimal outcomes.
Abstract:
Septic arthritis affects weight-bearing joints in three fourths of cases. When the disease occurs in infancy, joint dysfunction may not be apparent until many months later. We located 49 children who had had 50 episodes of septic arthritis from 1 1/2 to 12 years earlier (mean, 4.3 years). Thirteen patients (27%) had sequelae, and in eight (16%), there was impairment of ambulation. Residual damage was more common with hip and ankle involvement than with knee joint disease. Sequelae were equally common after Haemophilus influenzae and Staphylococcus aureus infection. Evaluation at the time of hosiptal discharge correctly identified only four of the 13 children with sequelae, and four others who were normal at follow-up had been thought to have permanent damage at discharge. Children with sequelae tended to have been sick longer before diagnosis, and drainage of pus was delayed.