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Group B Streptococcal sacroiliitis: case report and review
H Corominas1, P Domingo, J M Llobet
1Department of Internal Medicine, Hospital de la Santa Creu i Sant Pau, Universitat Autònoma de Barcelona, Spain.
Abstract:
Streptococcus agalactiae, or group B Streptococcus (GBS), is the major cause of neonatal meningitis and sepsis but is an uncommon infection in adults. GBS arthritis is rare, and axial involvement with sacroiliitis is even more uncommon. Microbiological diagnosis frequently relies upon positive blood cultures as synovial fluid cultures are usually negative. Severe joint damage may result due to delay in the initiation of antibiotic treatment.
Insights
Group B Streptococcus (GBS) can cause rare but severe adult arthritis, particularly sacroiliitis. Early diagnosis is crucial as synovial fluid cultures are often negative, delaying antibiotic treatment and risking joint damage.
Area of Science:
- Infectious Diseases
- Rheumatology
- Microbiology
Background:
- Group B Streptococcus (GBS) is a primary cause of neonatal meningitis and sepsis.
- GBS infections in adults are uncommon, with GBS arthritis being particularly rare.
Observation:
- This study focuses on the uncommon presentation of GBS axial arthritis, specifically sacroiliitis.
- Diagnosis of GBS sacroiliitis is challenging, often relying on blood cultures as synovial fluid cultures are frequently negative.
Findings:
- Delayed diagnosis and treatment initiation in GBS arthritis can lead to severe joint damage.
- The diagnostic difficulty highlights the need for heightened clinical suspicion in specific patient populations.
Implications:
- Emphasizes the importance of considering GBS in adult patients presenting with sacroiliitis, even if uncommon.
- Suggests a need for improved diagnostic strategies for GBS arthritis to prevent long-term sequelae.
- Underscores the critical role of prompt antibiotic therapy in mitigating joint destruction.