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Pediatric Acute Hematogenous Osteomyelitis

Matthew Street1, Rupesh Puna, Mark Huang

  • 1*Starship Children's Hospital †Department of Medicine, University of Auckland, Auckland, New Zealand.

Journal of Pediatric Orthopedics
|October 22, 2014
PubMed

Insights

Acute hematogenous osteomyelitis (AHO) in New Zealand children shows decreasing incidence but persistent overrepresentation of Maori and Pacific Islanders. Staphylococcus aureus remains the primary pathogen with low MRSA rates, suggesting flucloxacillin is effective for empiric treatment.

Area of Science:

  • Pediatric Orthopedics
  • Infectious Diseases
  • Epidemiology

Background:

  • Osteomyelitis presents a significant challenge in New Zealand's pediatric population.
  • This study examines acute hematogenous osteomyelitis (AHO) cases to identify trends and inform management.

Purpose of the Study:

  • To analyze trends in pediatric AHO in Auckland over a 10-year period.
  • To guide effective management strategies for AHO in the New Zealand context.

Main Methods:

  • Retrospective review of clinical records from two Auckland pediatric orthopedic departments (1997-2008).
  • Inclusion of 813 pediatric AHO cases.
  • Level IV-retrospective case series.

Main Results:

  • AHO incidence decreased over the decade (1:4000), with male predominance and overrepresentation of Maori and Pacific Islanders.
  • Staphylococcus aureus was the most common pathogen (low MRSA incidence at 2%).
  • Average antibiotic treatment was 44 days, 44% required surgery, yielding a 7% recurrence rate and 15% complication rate.

Conclusions:

  • AHO incidence remains high in New Zealand, particularly among Maori and Pacific Islanders.
  • Low MRSA rates support flucloxacillin as empiric treatment; S. aureus is the main pathogen.
  • Low relapse rates may be linked to longer antibiotic courses, though this increases complication risk. Prompt diagnosis and tailored treatment are key to minimizing severe outcomes.
Abstract

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