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Mortality and end-stage renal disease incidence among dry cleaning workers.

Authors
Calvert-GM; Ruder-AM; Petersen-MR
Source
Occup Environ Med 2011 Oct; 68(10):709-716
NIOSHTIC No.
20038117
Abstract
OBJECTIVE: Perchloroethylene (PCE) is a known animal carcinogen and probable human carcinogen. Dry cleaning exposures, particularly PCE, are also associated with renal toxicity. The objective was to follow-up a cohort of dry cleaners to evaluate mortality and assess end-stage renal disease (ESRD) morbidity. METHODS: This study adds 8 years of mortality follow-up for 1704 dry cleaning workers in four cities. Employees eligible for inclusion worked for >/=1 year before 1960 in a shop using PCE as the primary solvent. Life table analyses for mortality and ESRD morbidity were conducted. Only employees alive on 1 January 1977 were included in ESRD analyses. RESULTS: Overall cancer deaths were in significant excess in this cohort (standardised mortality ratio (SMR) 1.22, 95% CI 1.09 to 1.36). Oesophageal, lung and tongue cancers had significant excesses of deaths. Oesophageal cancer risk was highest among those employed in a PCE-using shop for >/=5 years with >/=20 years' latency since first such employment. Deaths from non-malignant underlying diseases of the stomach and duodenum were in significant excess. Hypertensive ESRD morbidity was significantly elevated in the entire cohort (standardised incidence ratio (SIR) 1.98, 95% CI 1.11 to 3.27), and among workers employed only in PCE-using dry cleaning shops for >/=5 years. CONCLUSION: Employment in the dry cleaning industry and occupational exposure to PCE are associated with an increased risk for ESRD and for cancer at several sites. The employment duration findings for oesophageal cancer and hypertensive ESRD further support an association with PCE exposure instead of lifestyle or socioeconomic factors.
Keywords
Renal-toxicity; Ethylenes; Dry-cleaning-solvents; Carcinogens; Dry-cleaning-industry; Mortality-data; Cancer; Morbidity-rates; Risk-analysis; Solvents; Hypersensitivity; Occupational-exposure; Mortality-rates; Statistical-analysis; Kidney-disorders; Surveillance-programs
Contact
Geoffrey M Calvert, National Institute for Occupational Safety and Health, 4676 Columbia Parkway, R-17, Cincinnati, OH 45226, USA
CODEN
OEMEEM
CAS No.
127-18-4
Publication Date
20111001
Document Type
Journal Article
Email Address
jac6@cdc.gov
Fiscal Year
2012
NTIS Accession No.
NTIS Price
Issue of Publication
10
ISSN
1351-0711
NIOSH Division
DSHEFS
Priority Area
Construction
Source Name
Occupational and Environmental Medicine
State
OH
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