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Published on: February 24, 2023
Melioidosis: A Review and Update for the Special Operations Provider
Chase Goldberg1, Akira A Shishido1,2
1New York Medical College, Department of Medicine, Valhalla, NY.
Abstract:
Melioidosis, caused by the gram-negative bacillus Burkholderia pseudomallei - a Tier 1 Select Biological agent - remains a significant cause of severe community-acquired infection in tropical regions, but with recent expanding recognition in temperate climates, including the United States. Pulmonary involvement is the most frequent clinical manifestation, ranging from subclinical nodules to fulminant necrotizing pneumonia and acute respiratory distress syndrome. Despite its clinical severity, melioidosis remains underdiagnosed due to its radiologic mimicry of tuberculosis, broad clinical manifestations, and limited laboratory capacity in many endemic areas. Special Operations Forces (SOF) participating in field exercises or operations in B. pseudomallei endemic countries are at significantly increased risk of infection. Accordingly, SOF medical providers should maintain a high index of suspicion for melioidosis and be familiar with its clinical recognition, diagnosis, and management.
Insights
Melioidosis, a severe infection caused by Burkholderia pseudomallei, is increasingly recognized globally. Early recognition and diagnosis are crucial for effective management, especially for high-risk groups like Special Operations Forces.
Area of Science:
- Infectious Diseases
- Microbiology
- Public Health
Background:
- Melioidosis, caused by Burkholderia pseudomallei, is a severe community-acquired infection prevalent in tropical regions.
- It is increasingly recognized in temperate climates, including the United States.
- Pulmonary involvement is common, presenting a wide spectrum of disease.
Purpose of the Study:
- To highlight the expanding recognition of melioidosis beyond tropical areas.
- To emphasize the diagnostic challenges and clinical severity of melioidosis.
- To inform Special Operations Forces (SOF) medical providers about the risks and management of melioidosis.
Main Methods:
- Review of clinical manifestations and diagnostic challenges of melioidosis.
- Assessment of risk factors for infection in specific populations (SOF).
- Emphasis on clinical recognition, diagnosis, and management strategies.
Main Results:
- Melioidosis presents diverse clinical manifestations, often mimicking tuberculosis.
- Underdiagnosis is common due to limited laboratory capacity and varied symptoms.
- Special Operations Forces operating in endemic areas face elevated infection risks.
Conclusions:
- Melioidosis requires a high index of suspicion for timely diagnosis and treatment.
- SOF medical providers must be knowledgeable about melioidosis recognition, diagnosis, and management.
- Increased awareness and improved diagnostics are essential for controlling melioidosis globally.
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