A cluster of Acinetobacter Pneumonia in foundry workers
Journal Article
·
· Ann. Intern. Med.; (United States)
In a 3-month period, three men who had worked for 5 to 19 years as welders or grinders of steel castings in a foundry acquired pneumonia caused by Acinetobacter calcoaceticus variety anitratus serotype 7J. Two of the men died, and postmortem examination showed mixed-dust pneumoconiosis with iron particles in the lungs. A calcoaceticus variety anitratus serotype 7J was isolated from the air in the foundry but the source was not found. The prevalence of antibody titers of 64 or greater to the 7J strain was significantly higher among foundry workers (15%) than among community controls (2%) (p less than 0.01). Sampling showed that the concentrations of total and metallic particles (especially iron) and of free silica in air inhaled by welders and grinders at the foundry frequently exceeded acceptable levels. These findings suggest that chronic exposure to such particles may increase susceptibility to infection by this organism, which rarely affects healthy people.
- Research Organization:
- Bacterial Diseases Division, Center for Infectious Diseases, Atlanta, GA
- OSTI ID:
- 5498940
- Journal Information:
- Ann. Intern. Med.; (United States), Journal Name: Ann. Intern. Med.; (United States) Vol. 95:6; ISSN AIMEA
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
550700 -- Microbiology
552000 -- Public Health
560306* -- Chemicals Metabolism & Toxicology-- Man-- (-1987)
59 BASIC BIOLOGICAL SCIENCES
63 RADIATION, THERMAL, AND OTHER ENVIRON. POLLUTANT EFFECTS ON LIVING ORGS. AND BIOL. MAT.
99 GENERAL AND MISCELLANEOUS
AIR POLLUTION
BACTERIAL DISEASES
BIOLOGICAL EFFECTS
CHALCOGENIDES
DISEASES
ELEMENTS
FABRICATION
INFECTIOUS DISEASES
INFECTIVITY
INHALATION
INTAKE
IRON
JOINING
METALS
MINERALS
OCCUPATIONAL SAFETY
OXIDE MINERALS
OXIDES
OXYGEN COMPOUNDS
PATHOLOGY
PNEUMOCONIOSES
PNEUMONIA
POLLUTION
RESPIRATORY SYSTEM DISEASES
SAFETY
SILICA
SILICON COMPOUNDS
SILICON OXIDES
TRANSITION ELEMENTS
WELDING
WORKING CONDITIONS
552000 -- Public Health
560306* -- Chemicals Metabolism & Toxicology-- Man-- (-1987)
59 BASIC BIOLOGICAL SCIENCES
63 RADIATION, THERMAL, AND OTHER ENVIRON. POLLUTANT EFFECTS ON LIVING ORGS. AND BIOL. MAT.
99 GENERAL AND MISCELLANEOUS
AIR POLLUTION
BACTERIAL DISEASES
BIOLOGICAL EFFECTS
CHALCOGENIDES
DISEASES
ELEMENTS
FABRICATION
INFECTIOUS DISEASES
INFECTIVITY
INHALATION
INTAKE
IRON
JOINING
METALS
MINERALS
OCCUPATIONAL SAFETY
OXIDE MINERALS
OXIDES
OXYGEN COMPOUNDS
PATHOLOGY
PNEUMOCONIOSES
PNEUMONIA
POLLUTION
RESPIRATORY SYSTEM DISEASES
SAFETY
SILICA
SILICON COMPOUNDS
SILICON OXIDES
TRANSITION ELEMENTS
WELDING
WORKING CONDITIONS