ArticleJournal of occupational and environmental medicine2026
Welding Fumes and SARS-CoV-2: A Dangerous Combination.
Article in Journal of occupational and environmental medicine, 2026. 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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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Authors and funding
5 authors.
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Abstract
objectivesTo study if the adverse effects of welding fume exposure are more pronounced in individuals previously infected with severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2).
methodsIn this cross-sectional study, spirometry, oscillometry, multiple breath washout (MBW), and diffusing capacity were tested in 44 exposed workers and 62 unexposed individuals. A history of coronavirus disease 2019 (COVID-19) was present in 34% of exposed and 68% of unexposed individuals. Statistical analyses included Mann-Whitney test, Kruskal-Wallis test, and multiple regression analyses.
resultsWelding fume exposure was significantly associated with increased small airway resistance (R 5-20 ), assessed by oscillometry, while exposure combined with past COVID-19 was associated with increased ventilation heterogeneity in the small conducting airways, as assessed by MBW, and reduced diffusing capacity.
conclusionsWelding-fume-exposed individuals with prior COVID-19 had more pronounced small airway impairment, as assessed by MBW, than exposed workers with no COVID-19 history.
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