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Mortality of workers exposed to ethylene oxide: extended follow up of a British cohort

Mortality of workers exposed to ethylene oxide: extended follow up of a British cohort
Mortality of workers exposed to ethylene oxide: extended follow up of a British cohort
Aims: To obtain further information about the risks of cancer associated with occupational exposure to ethylene oxide

Methods: Follow up was extended by 13 years for a cohort of 2876 men and women with definite or potential exposure to ethylene oxide in the chemical industry or in hospital sterilising units. Subjects were traced through National Health Service and social security records, and their mortality was compared with that expected from rates in the national population by the person-years method.

Results: Analysis was based on 565 deaths, of which 339 had occurred during the additional period of follow up. Mortality was close to or below expectation for all causes (565 deaths v 607.6 expected), all cancers (188 v 184.2), and for all specific categories of malignancy including stomach cancer (10 v 11.6), breast cancer (11 v 13.2), non-Hodgkin’s lymphoma (7 v 4.8), and leukaemia (5 v 4.6). All five deaths from leukaemia occurred in the subset of subjects with greatest potential for exposure to ethylene oxide, but even in this group the excess of deaths was small (2.6 expected).

Conclusions: The balance of evidence from this and other epidemiological investigations indicates that any risk of human cancer from ethylene oxide is low, particularly at the levels of occupational exposure that have occurred in Britain over recent decades. This may reflect the capacity of human cells to repair DNA damage caused by the chemical, which is a potent genotoxin and animal carcinogen.
England, cohort studies, exposure, methods, non-hodgkin's lymphoma, health, female, chemically induced, cancer, epidemiology, occupational exposure, humans, follow-up studies, research support, dna, ethylene oxide, cause of death, industry, adverse effects, male, occupational diseases, mortality, etiology, analysis, toxicity, environmental, chemical industry, Britain, human, risk, cohort, non-U.S.gov't, disinfectants, lymphoma, population, breast cancer, dna damage, neoplasms
1351-0711
358-362
Coggon, D.
2b43ce0a-cc61-4d86-b15d-794208ffa5d3
Harris, E.C.
3e4bd946-3f09-45a1-8725-d35e80dd7971
Poole, J.
d6c5377d-ac31-4552-8108-e5bd16f9fd00
Palmer, K.T.
0cfe63f0-1d33-40ff-ae8c-6c33601df850
Coggon, D.
2b43ce0a-cc61-4d86-b15d-794208ffa5d3
Harris, E.C.
3e4bd946-3f09-45a1-8725-d35e80dd7971
Poole, J.
d6c5377d-ac31-4552-8108-e5bd16f9fd00
Palmer, K.T.
0cfe63f0-1d33-40ff-ae8c-6c33601df850

Coggon, D., Harris, E.C., Poole, J. and Palmer, K.T. (2004) Mortality of workers exposed to ethylene oxide: extended follow up of a British cohort. Occupational & Environmental Medicine, 61 (4), 358-362. (doi:10.1136/oem.2003.008268).

Record type: Article

Abstract

Aims: To obtain further information about the risks of cancer associated with occupational exposure to ethylene oxide

Methods: Follow up was extended by 13 years for a cohort of 2876 men and women with definite or potential exposure to ethylene oxide in the chemical industry or in hospital sterilising units. Subjects were traced through National Health Service and social security records, and their mortality was compared with that expected from rates in the national population by the person-years method.

Results: Analysis was based on 565 deaths, of which 339 had occurred during the additional period of follow up. Mortality was close to or below expectation for all causes (565 deaths v 607.6 expected), all cancers (188 v 184.2), and for all specific categories of malignancy including stomach cancer (10 v 11.6), breast cancer (11 v 13.2), non-Hodgkin’s lymphoma (7 v 4.8), and leukaemia (5 v 4.6). All five deaths from leukaemia occurred in the subset of subjects with greatest potential for exposure to ethylene oxide, but even in this group the excess of deaths was small (2.6 expected).

Conclusions: The balance of evidence from this and other epidemiological investigations indicates that any risk of human cancer from ethylene oxide is low, particularly at the levels of occupational exposure that have occurred in Britain over recent decades. This may reflect the capacity of human cells to repair DNA damage caused by the chemical, which is a potent genotoxin and animal carcinogen.

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More information

Published date: 2004
Keywords: England, cohort studies, exposure, methods, non-hodgkin's lymphoma, health, female, chemically induced, cancer, epidemiology, occupational exposure, humans, follow-up studies, research support, dna, ethylene oxide, cause of death, industry, adverse effects, male, occupational diseases, mortality, etiology, analysis, toxicity, environmental, chemical industry, Britain, human, risk, cohort, non-U.S.gov't, disinfectants, lymphoma, population, breast cancer, dna damage, neoplasms

Identifiers

Local EPrints ID: 24303
URI: https://eprints.soton.ac.uk/id/eprint/24303
ISSN: 1351-0711
PURE UUID: 8d1a122e-a572-4db0-86b9-2d08ec30842a
ORCID for D. Coggon: ORCID iD orcid.org/0000-0003-1930-3987
ORCID for E.C. Harris: ORCID iD orcid.org/0000-0001-8037-566X

Catalogue record

Date deposited: 29 Mar 2006
Last modified: 20 Jul 2019 01:20

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Contributors

Author: D. Coggon ORCID iD
Author: E.C. Harris ORCID iD
Author: J. Poole
Author: K.T. Palmer

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