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Acute respiratory failure in melioidosis
S D Puthucheary1, J Vadivelu, K T Wong
1Department of Medical Microbiology, University Hospital, Faculty of Medicine, University of Malaya, Kuala Lumpur, Malaysia. puthu@medicine.med.um.edu.my
Singapore Medical Journal
|June 19, 2001
Summary
Melioidosis patients rapidly develop acute respiratory distress syndrome (ARDS) from Burkholderia pseudomallei sepsis, leading to high mortality. Early diagnosis and management are crucial for preventing ARDS and reducing deaths.
Area of Science:
- Infectious Diseases
- Pulmonology
- Critical Care Medicine
Background:
- Melioidosis, caused by Burkholderia pseudomallei, frequently involves the respiratory system, leading to severe outcomes.
- High mortality rates, up to 73%, are associated with respiratory involvement in melioidosis.
- Predisposing factors such as diabetes mellitus are common in patients with melioidosis.
Observation:
- This retrospective study reviewed six cases of melioidosis with respiratory failure.
- Data analyzed included demographic, clinical, laboratory, radiological, and histopathological information.
- The focus was to understand the causes and mechanisms of acute respiratory failure in these patients.
Findings:
- Patients experienced rapid onset of hypoxemia refractory to treatment, indicating acute lung injury/acute respiratory distress syndrome (ALI/ARDS).
- Histological examination revealed necrotizing pneumonia and hyaline membranes, consistent with ALI/ARDS criteria.
- Radiographs showed bilateral opacities, further supporting the diagnosis of severe lung involvement.
Implications:
- Sepsis from B. pseudomallei can rapidly lead to ALI/ARDS and high mortality.
- Understanding the mechanisms of ARDS in melioidosis is critical for improving patient outcomes.
- Urgent needs include increased awareness in endemic areas, rapid diagnostics, and effective management strategies to prevent ARDS and reduce mortality.