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Acute haematogenous osteomyelitis: microbial conversion and unusual age presentation.
1Department of Microbiology, College of Medicine, University of Basra, Basra, Iraq.
Summary
Haematogenous osteomyelitis incidence and causative organisms shifted significantly between 1983-1989 and 1992-1997. Staphylococcus aureus remained common, but affected age groups changed, possibly due to socioeconomic factors.
Area of Science:
- Medical Microbiology
- Pediatric Infectious Diseases
- Epidemiology
Background:
- Haematogenous osteomyelitis is a serious bone infection, primarily affecting children.
- Understanding shifts in causative pathogens and patient demographics is crucial for effective treatment.
Purpose of the Study:
- To compare the epidemiological characteristics of haematogenous osteomyelitis before and after the Gulf conflict.
- To identify changes in the most common causative organism and the age distribution of affected individuals.
Main Methods:
- Retrospective analysis of 110 cases (1983-1989) and prospective analysis of 80 cases (1992-1997).
- Identification of causative bacteria, primarily Staphylococcus aureus.
- Analysis of patient age at presentation.
Main Results:
- In 1983-1989, infants under 1 year were most affected; no adults were reported. Staphylococcus aureus (S. aureus) was isolated in 72.7% of cases.
- In 1992-1997, children aged 9 years were most affected, with 19 adult cases. S. aureus was isolated in 43.7% of cases.
- Significant differences in S. aureus incidence and age presentation were observed between the two periods.
Conclusions:
- The epidemiology of haematogenous osteomyelitis has changed, with altered age distribution and a decrease in S. aureus prevalence.
- Socioeconomic factors, such as working children and malnutrition, may contribute to these observed epidemiological shifts.