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Transient synovitis of the hip in children
1University of Kansas School of Medicine-Wichita, Kansas, USA.
Insights
Transient synovitis is a common cause of acute hip pain in children aged 3-10. Promptly ruling out septic arthritis is crucial to prevent long-term joint damage.
Area of Science:
- Pediatric Orthopedics
- Rheumatology
Background:
- Transient synovitis is the leading cause of acute hip pain in children aged 3 to 10 years.
- It typically presents with 1-3 days of hip pain, limping, or refusal to bear weight.
- The exact cause of transient synovitis is unknown, making it a diagnosis of exclusion.
Purpose of the Study:
- To highlight the importance of differentiating transient synovitis from septic arthritis in pediatric hip pain.
- To outline diagnostic criteria for suspected septic arthritis.
- To describe the recommended management for transient synovitis.
Main Methods:
- Clinical presentation and diagnostic considerations for transient synovitis and septic arthritis are discussed.
- Diagnostic criteria for septic arthritis include severe pain, fever (>37.5°C), and elevated erythrocyte sedimentation rate (≥20 mm/hr).
- Hip aspiration is the preferred diagnostic method when septic arthritis is suspected.
Main Results:
- Septic arthritis requires prompt treatment to avoid femoral head destruction and permanent joint deformity.
- Transient synovitis management involves rest and nonsteroidal anti-inflammatory drugs.
- Regular temperature monitoring is essential to detect fever onset.
Conclusions:
- Accurate diagnosis is critical, prioritizing the exclusion of septic arthritis in children with acute hip pain.
- Persistent symptoms beyond 7-10 days warrant reevaluation.
- Early recognition and appropriate management are key to favorable outcomes.
Abstract:
Transient synovitis is the most common cause of acute hip pain in children three to 10 years of age. Children with this condition typically present with hip pain for one to three days, accompanied by limping or the refusal to bear weight. Transient synovitis has an uncertain etiology and remains a diagnosis of exclusion. First, septic arthritis must be ruled out, since femoral head destruction, degenerative arthritis and permanent deformity can occur if septic arthritis is not treated promptly. Septic arthritis should be suspected in a patient with severe pain or spasm on hip movement or palpation, a temperature higher than 37.5 degrees C (99.5 degrees F) and an erythrocyte sedimentation rate of 20 mm per hour or greater. Hip aspiration is the diagnostic procedure of choice if septic arthritis is suspected. Treatment of transient synovitis consists of bed rest and nonsteroidal anti-inflammatory drugs, with regular temperature checks to exclude the onset of fever. If significant pain and limping persist seven to 10 days after the initial presentation, the patient should be reevaluated.