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Rounded atelectasis after exposure to refractory ceramic fibres (RCF)
Ulrike Brueckner1, Anne S Schulze2, Dirk Walter2,3
1Institute and Outpatient Clinic for Occupational and Social Medicine, Justus-Liebig-University, Aulweg 129, 35392, Giessen, Germany. ulrike.brueckner@arbmed.med.uni-giessen.de.
Particle and Fibre Toxicology
|December 30, 2021
Summary
Refractory ceramic fibres (RCF) exposure can cause lung issues similar to asbestos. Regular lung function tests and CT scans are crucial for early diagnosis in RCF-exposed workers.
Area of Science:
- Occupational Medicine
- Pulmonology
- Materials Science
Background:
- Refractory Ceramic Fibres (RCF) are man-made mineral fibres used in high-performance thermal insulation.
- RCF share similarities with asbestos, being respirable, persisting in lungs for over 20 years, and potentially causing pleural changes.
- Reported pleural changes include thickening and calcification.
Purpose of the Study:
- To investigate the occupational health effects of Refractory Ceramic Fibres (RCF) exposure.
- To highlight the diagnostic findings in a case of long-term RCF exposure.
- To emphasize the need for specific medical surveillance protocols for RCF-exposed workers.
Main Methods:
- Case study of a 45-year-old male with 20 years of RCF exposure in thermal insulation.
- Occupational medical prophylaxis including X-ray and high-resolution computed tomography (HRCT).
- Pulmonary function tests, scanning electron microscopy (SEM) with energy dispersive X-ray analysis (EDX), X-ray powder diffraction (XRD), and transmission electron microscopy (TEM).
Main Results:
- Bilateral pleural thickening and pleural calcification with rounded atelectasis were detected via HRCT.
- Pulmonary function tests revealed a restrictive lung pattern.
- Material analysis confirmed the fibres as aluminium silicate, with both crystalline and amorphous forms present.
Conclusions:
- Comprehensive lung function analysis is necessary for RCF-exposed workers.
- Additional CT scans are recommended for those with restrictive lung disorders.
- Medical surveillance for RCF exposure should align with guidelines for asbestos-exposed workers.
Keywords:
Aluminium silicate fibresOccupational diseasesRCFRestrictive lung function patternRounded atelectasisThermal insulationMore Related Videos
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