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Volume 9, Issue 9 (Suppl) J Cancer Sci Ther, an open access journal
ISSN: 1948-5956 World Cancer 2017
October 19-21, 2017
25th WORLD CANCER CONFERENCE
October 19-21, 2017 | Rome, Italy
Cancer incidence in Czech black coal miners in association with coal workers´ pneumoconiosis in the
period 1992-2013
Hana Tomášková1,2, Anna Šplíchalová 1, Hana Šlachtová1, Pavel Urban3 and Zdeněk Jirák1,2
1Public Health Institute in Ostrava, Czech Republic
2University of Ostrava, Czech Republic
3National Institute of Public Health, Czech Republic
The aim of the study was comparison of cancer incidence risk of lungs, stomach, colon, bladder and kidney in ex-miners of
black-coal mines and the general male population of the Czech Republic. Two cohorts of ex-miners according presence
of coal workers´ pneumoconiosis (CWP) were analyzed. The first cohort included the miners without CWP (N=6,687) and
the second cohort included the miners who were compensated for CWP (N=3,476). Personal and occupational data was
merged with the data in the National Population Register and the National Oncological Register for the period from 1992
to 2013. Cancer risk in miners in comparison with the general male population of the Czech Republic was evaluated by SIR
(Standardized Incidence Ratio) and 95% confidence interval (CI). About twice as high risk of lung cancer was found in miners
with CWP (SIR=2.01; 95% CI 1.70–2.36). Lung cancer risk correlated with the severity of CWP (simple CWP SIR=1.99; 95%
CI 1.64–2.38, progressive massive fibrosis SIR=3.18; 95% CI 1.79–5.09). No increased risk of lung cancer was found in the ex-
miners without CWP. The risk of malignant neoplasm at the other selected sites was comparable with the risk in general male
population of the Czech Republic. This study found increased lung cancer risk in coal miners with CWP, but not without CWP,
comparing with the general population. These results confirmed previous analysis that was a basis for the inclusion of lung
cancer in association with CWP into a new Czech list of occupational diseases.
Biography
Hana Tomášková graduated Technical University and she has completed her PhD at Medical Faculty, University of Plucky, Czech Republic in the Hygiene,
preventive medicine and epidemiology. She is working as a biostatistician and epidemiologist at the Institute of Public Health in Ostrava, and as a lecturer at
Department of Epidemiology and Public Health, Medical Faculty, Ostrava University. She is involved in occupational and environmental epidemiology. She has
published more than 20 papers in ISI journals. She has served as a Research Team Member in two International Projects and 15 National Projects.
Hana Tomášková et al., J Cancer Sci Ther 2017, 9:9(Suppl)
DOI: 10.4172/1948-5956-C1-111