Syracuse

Effects of plant features on symptoms and airway inflammation in compost workers followed over 18 months

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Demange, Valérie | Barrera, Coralie | Laboissière, Audrey | Duquenne, Philippe | Simon, Xavier | Millon, Laurence | Reboux, Gabriel | Grzebyk, Michel

Edité par CCSD ; Taylor and Francis -

International audience. This study investigated the plant features associated with increased irritation symptoms and levels of inflammation markers among compost workers (CWs). Ninety CWs were followed over 18 months, using questionnaires on respiratory symptoms, fractional exhaled nitric oxide measurements, spirometry, a methacholine bronchial challenge test, and quantification of specific immunoglobulins E (IgE) and G. CWs in plants processing the highest quantities of waste exhibited more airway irritation symptoms. So did the CWs in partially and fully indoor plants as compared to those in plants entirely outdoors. Working in sewage sludge versus green waste plants and having a high level of exposure were associated with higher levels of different IgE. The duration of employment decreased the FEV1 by 16 ml per year. Working in an indoor plant is linked to symptoms and inflammation markers in CWs.

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