ArticleEnvironment international2025
A case-control study of early-life residential exposure to tetrachloroethylene and risks of childhood cancer and birth defects.
Article in Environment international, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
backgroundResidential buildings with a co-located dry-cleaning facility (CL-DC) can have substantially higher indoor tetrachloroethylene concentrations than buildings without a CL-DC. We conducted a case-control study to investigate associations between early-life indoor tetrachloroethylene exposure from CL-DCs and risks of childhood cancers (overall, acute lymphoblastic leukemia) and birth defects.
methodsWe linked records between the New York City (NYC) Bureau of Vital Statistics and the New York State Cancer Registry and Birth Defects Registry to identify cases of childhood cancers (n = 5,334) and birth defects (n = 171,553) diagnosed among children born in NYC between 1988 and 2016, and controls without these conditions (n = 596,599). We identified CL-DC exposure by mapping addresses from birth certificates and DC permits involving tetrachloroethylene use to building footprints, and modeled tetrachloroethylene concentrations using measurement data from a survey of NYC CL-DCs. Using unconditional logistic regression, we computed odds ratios (ORs) and 95 % confidence intervals (CIs) relating study endpoints to CL-DC exposure.
findingsLiving in a building with a CL-DC at birth was associated with aortic valve stenosis (AVS; OR = 3.1, 95 % CI = 1.6, 5.9), with an exposure-response effect for predicted tetrachloroethylene concentration (≤44 μg/m
conclusionsIn this first-ever case-control study, early-life tetrachloroethylene exposure from CL-DCs in residential buildings was associated with increased AVS risk. These findings warrant further investigation.
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