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Si us plau utilitzeu sempre aquest identificador per citar o enllaçar aquest document: https://hdl.handle.net/2445/174098
Secondhand exposure to aerosol from electronic cigarettes: pilot study of assessment of tobacco-specific nitrosamine (NNAL) in urine
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Objective: to assess the levels of a tobacco-specific nitrosamine (NNAL) in non-smokers passively exposed to the second-hand aerosol (SHA) emitted from users of electronic cigarettes (e-cigarettes). Method: we conducted an observational study involving 55 non-smoking volunteers divided into three groups: 25 living at home with conventional smokers, 6 living with e-cigarette users, and 24 in control homes (smoke-free homes). We obtained urine samples from all volunteers to determine NNAL. Results: we detected NNAL in the urine of volunteers exposed to e-cigarettes (median:0.55 pg/mL; interquartile range: 0.26-2.94 pg/mL). The percentage of urine samples with quantifiable NNAL differed significantly among the three groups of homes: 29.2%, 66.7% and 76.0%, respectively (p=0.004). Conclusions: we found NNAL nitrosamine in urine samples from people exposed to SHA from e-cigarettes. However, these results could be confirmed with more studies with larger sample sizes.
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MARTÍNEZ SÁNCHEZ, Jose m., BALLBÈ I GIBERNAU, Montse, PÉREZ ORTUÑO, Raúl, FU BALBOA, Marcela, SUREDA, Xisca, PASCUAL, José antonio, PERUGA, Armando, FERNÁNDEZ MUÑOZ, Esteve. Secondhand exposure to aerosol from electronic cigarettes: pilot study of assessment of tobacco-specific nitrosamine (NNAL) in urine. _Gaceta Sanitaria_. 2019. Vol. 33, núm. 6, pàgs. 575-578. [consulta: 22 de gener de 2026]. ISSN: 0213-9111. [Disponible a: https://hdl.handle.net/2445/174098]