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The spectrum of group A streptococcal joint pathology in the acute care setting

Megan E Mignemi1, Jeffrey E Martus, Andrea C Bracikowski

  • 1Department of Orthopaedics and Rehabilitation, Vanderbilt University Medical Center, Nashville, TN, USA.

Pediatric Emergency Care
|November 2, 2012
PubMed

Insights

Group A Streptococcus (GAS) can cause various pediatric joint issues, including septic arthritis and acute rheumatic fever (ARF). GAS lab tests aid in diagnosing these painful joint conditions in children, distinguishing between septic and non-septic causes.

Area of Science:

  • Pediatric Rheumatology
  • Infectious Diseases
  • Musculoskeletal Infections

Background:

  • Group A Streptococcus (GAS) is a common cause of pediatric musculoskeletal infections.
  • Distinguishing between septic arthritis, acute rheumatic fever (ARF), and post-streptococcal reactive arthritis in children presenting with joint pain is clinically challenging.
  • The similar presentations of these GAS-associated arthropathies complicate diagnosis in acute care settings.

Purpose of the Study:

  • To present five cases of pediatric GAS-associated joint pathology.
  • To illustrate the spectrum of GAS-related joint conditions encountered in acute care.
  • To discuss the utility of GAS laboratory tests in evaluating children with painful joints.

Main Methods:

  • Case series of five children with GAS-associated joint pathology.
  • Diagnostic algorithm based on literature review of post-streptococcal reactive arthritis, ARF, and septic arthritis guidelines.
  • Clinical examination and systemic inflammation monitoring.

Main Results:

  • The cases included transient synovitis, inflammatory synovitis, septic arthritis, and ARF.
  • GAS laboratory tests, combined with clinical assessment and inflammation markers, can aid diagnosis.
  • These tests help differentiate between septic and non-septic GAS joint pathologies.

Conclusions:

  • Diagnosing the cause of pediatric joint pain in acute care is difficult.
  • Integrating GAS laboratory tests into diagnostic algorithms improves identification of ARF and septic arthritis.
  • GAS-specific tests assist in diagnosing non-septic, non-ARF GAS joint conditions.
Abstract

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