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Simplified Whole Body Plethysmography to Characterize Lung Function During Respiratory Melioidosis
Published on: February 24, 2023
Melioidosis in north Queensland, 2000-2009
Jeffrey N Hanna1, Jan L Humphreys, Dianne L Brookes
1Cairns Population Health Unit, Tropical Regional Services, Division of the Chief Health Officer, Queensland Health, Cairns, Queensland. Jeffrey_hanna@health.qld.gov.au
Communicable Diseases Intelligence Quarterly Report
|March 19, 2011
Summary
Melioidosis (a bacterial infection) is a significant health concern in North Queensland, with most cases occurring in the first four months of the year. Indigenous adults face higher risks and prevalence of associated conditions like diabetes.
Area of Science:
- Tropical Medicine
- Infectious Diseases
- Public Health Epidemiology
Background:
- Melioidosis is a serious bacterial infection caused by Burkholderia pseudomallei.
- North Queensland experiences a notable burden of melioidosis, particularly during specific seasons.
- Understanding geographic and demographic risk factors is crucial for targeted public health interventions.
Purpose of the Study:
- To analyze the epidemiology of culture-confirmed melioidosis cases in North Queensland from 2000-2009.
- To identify trends in case occurrence, fatality rates, and demographic risk factors.
- To compare risk factors and incidence between Indigenous and non-Indigenous populations.
Main Methods:
- Retrospective analysis of 176 culture-confirmed melioidosis cases over a 10-year period (2000-2009).
- Data collection included case demographics, geographic location, and clinical outcomes.
- Statistical comparison of risk factors (diabetes, alcohol abuse) between Indigenous and non-Indigenous adults.
Main Results:
- A total of 176 melioidosis cases were recorded, with nearly 80% occurring between January and April.
- The overall case fatality rate was 21%, decreasing to 14% in the latter five years (2005-2009).
- Indigenous adults comprised 45% of adult cases, with higher prevalence of diabetes and alcohol abuse; specific high-incidence areas identified for this group and non-Indigenous adults in Townsville.
Conclusions:
- Melioidosis incidence in North Queensland shows seasonal clustering and a declining case fatality rate over time.
- Indigenous adults are disproportionately affected, with significant associations with diabetes and alcohol abuse.
- Geographic disparities in melioidosis risk exist between Indigenous and non-Indigenous populations in North Queensland, necessitating tailored prevention strategies.
