Abstract：
:175 men working at productive divisions of a cement plant (average age 39,5 years +/- 8.3, average duration of employment 9.3 years +/- 4.8) and 50 controls (average age 38.7 +/- 11.9 and average duration of employment 10.7 +/- 10.0) were examined. The survey involved: a complex evaluation of respiratory tract, including internal, radiological, spirographic, gasometric and capnographic examinations. The results demonstrated chronic bronchitis in 17% of cement plant workers and in 10% of controls. Qualitatively, chronic bronchitis was more advanced in cement plant workers. Chronic bronchitis prevalence increased with duration of work in exposure to cement dust. Chest radiograms gave no cause for diagnosing pneumoconiosis in any case. Mean values of dynamic spirographic indices were lower than in controls, the differences were, however, statistically insignificant. Instead, the mean values of partial pressures of carbon dioxide and oxygen were statistically significantly lower, than those in controls, though they did not differ much from normal values.
journal_name
Med Prjournal_title
Medycyna pracyauthors
Izycki J,Gielec L,Sułkowski W,Kowalska Ssubject
Has Abstractpub_date
1979-01-01 00:00:00pages
241-6issue
4eissn
0465-5893issn
2353-1339journal_volume
30pub_type
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