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Poststreptococcal reactive arthritis: report of one case
1Department of Pediatrics, Chang Gung Medical College, Taipei, Taiwan, R.O.C.
Zhonghua Minguo Xiao Er Ke Yi Xue Hui Za Zhi [Journal]. Zhonghua Minguo Xiao Er Ke Yi Xue Hui
|July 1, 1996
Summary
Poststreptococcal reactive arthritis (PSRA) can mimic acute rheumatic fever (ARF) and carries a similar risk of cardiac complications. Early antibiotic treatment, similar to ARF, may prevent long-term sequelae in children with PSRA.
Area of Science:
- Pediatrics
- Rheumatology
- Infectious Diseases
Background:
- Poststreptococcal reactive arthritis (PSRA) is a distinct clinical entity from acute rheumatic fever (ARF).
- PSRA shares similarities with ARF, including association with streptococcal infections and a significant risk of cardiac complications.
- The diagnostic criteria for ARF (revised Jones criteria) may not encompass all cases of PSRA.
Observation:
- A 9-year-old boy presented with acute onset limping and knee pain, without fever.
- Clinical examination revealed knee swelling and limited movement, with positive throat culture for group A Streptococcus.
- Elevated antistreptolysin-O and C-reactive protein levels confirmed recent streptococcal infection, while synovial fluid was sterile.
Findings:
- The patient's arthralgia resolved rapidly within three days.
- Cardiac evaluation, including echocardiogram and ECG, showed no evidence of valvular disease.
- Despite rapid symptom resolution, the high risk of cardiac involvement in PSRA prompted prophylactic antibiotic treatment.
Implications:
- PSRA poses a significant risk for developing rheumatic heart disease, comparable to ARF.
- Prophylactic antibiotic therapy, as used in ARF, may be beneficial in preventing cardiac sequelae in pediatric PSRA.
- Long-term follow-up is crucial to monitor for delayed cardiac manifestations in patients with PSRA.