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Updated: May 12, 2026

Knee Arthrocentesis in Adults
04:41

Knee Arthrocentesis in Adults

Published on: February 25, 2022

Twelve-month outcome following septic arthritis in children

Annaleise R Howard-Jones1, David Isaacs, Paul J Gibbons

  • 1Discipline of Paediatrics and Child Health, University of Sydney, Sydney, Australia.

Insights

Septic arthritis in children leads to complications in 10% of cases within a year. This study identified poor prognostic factors including culture positivity, young age, and male sex for pediatric septic arthritis.

Area of Science:

  • Pediatric Orthopedics
  • Infectious Diseases
  • Clinical Outcomes Research

Background:

  • Septic arthritis in children is a serious condition with potential long-term sequelae.
  • Literature data on complication rates in pediatric septic arthritis over the past two decades is scarce.
  • Understanding complication rates is crucial for managing pediatric joint infections.

Purpose of the Study:

  • To determine the rate of clinically significant complications following septic arthritis in children.
  • To identify prognostic factors associated with adverse outcomes in pediatric septic arthritis.
  • To compare complication rates with previously published data.

Main Methods:

  • Retrospective chart review of pediatric patients diagnosed with septic arthritis.
  • Inclusion criteria: children admitted for septic arthritis.
  • Data collected included demographics, causative organisms, and complications at 12 months post-diagnosis.

Main Results:

  • 10% of children experienced clinically significant complications at 12 months post-diagnosis.
  • Staphylococcus aureus was the most common pathogen (76%), with low rates of MRSA (8%).
  • Poor prognostic factors identified were culture positivity, infancy (<2 years), and male sex.

Conclusions:

  • The complication rate of 10% in this cohort is lower than historical rates (15-49%) reported in developed countries.
  • Early identification of poor prognostic factors can aid in clinical management and follow-up.
  • Further research is needed to elucidate long-term outcomes and optimize treatment strategies for pediatric septic arthritis.

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