{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,2]],"date-time":"2026-10-02T12:02:19Z","timestamp":1790942539488,"version":"4.1.0"},"reference-count":56,"publisher":"Oxford University Press (OUP)","issue":"6","license":[{"start":{"date-parts":[[2010,9,1]],"date-time":"2010-09-01T00:00:00Z","timestamp":1283299200000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/academic.oup.com\/pages\/standard-publication-reuse-rights"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2010,9,15]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:sec>\n                    <jats:title>Rationale<\/jats:title>\n                    <jats:p>Airway inflammation is a hallmark of asthma. Several studies have validated the use of the fractional concentration of exhaled nitric oxide (FeNO) as a surrogate marker of airway inflammation in asthma.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Objectives<\/jats:title>\n                    <jats:p>We examined how the change in FeNO levels, since the beginning of occupational exposure, could be associated with the incidence of bronchial hyperresponsiveness (BHR) among baker, pastry maker, and hairdresser apprentices during their 2-year training.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>A standardized questionnaire was administered; skin prick tests for common and specific occupational allergens were done; methacholine challenge and measurement of FeNO were performed 6, 12, and 15 months after the first examination.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Measurements and Main Results<\/jats:title>\n                    <jats:p>Of 441 apprentices initially included, 351 completed the study. The increase in FeNO, since the beginning of exposure, was associated with the incidence of BHR (odds ratio, 2.00 [95% confidence interval, 1.21\u20133.32] per unit increase in log parts per billion) both in atopic and nonatopic subjects. The average increase in FeNO was similar in atopic and nonatopic subjects and was unrelated to past or current smoking habits, sex, or training track. Atopy in bakers\/pastry makers and sensitization to alkaline persulfates in hairdressers were also independently associated with the incidence of BHR. BHR occurred sooner among bakers\/pastry makers than among hairdressers, but its incidence leveled off later.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusions<\/jats:title>\n                    <jats:p>Our results suggest that measurement of FeNO, a simple and reproducible test, could be useful in the screening of BHR in workers newly exposed to agents known to cause occupational asthma.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1164\/rccm.200903-0415oc","type":"journal-article","created":{"date-parts":[[2010,5,27]],"date-time":"2010-05-27T22:41:09Z","timestamp":1275000069000},"page":"738-744","source":"Crossref","is-referenced-by-count":30,"title":["Increase in Exhaled Nitric Oxide Is Associated with Bronchial Hyperresponsiveness among Apprentices"],"prefix":"10.1093","volume":"182","author":[{"given":"Paul","family":"Tossa","sequence":"first","affiliation":[{"name":"Institut National de la Sant\u00e9 et de la Recherche M\u00e9dicale U954, School of Medicine, Vandoeuvre-l\u00e8s-Nancy"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Christophe","family":"Paris","sequence":"additional","affiliation":[{"name":"Institut National de la Sant\u00e9 et de la Recherche M\u00e9dicale U954, School of Medicine, Vandoeuvre-l\u00e8s-Nancy"},{"name":"Nancy University Medical School, Vandoeuvre-L\u00e8s-Nancy"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Denis","family":"Zmirou-Navier","sequence":"additional","affiliation":[{"name":"Institut National de la Sant\u00e9 et de la Recherche M\u00e9dicale U954, School of Medicine, Vandoeuvre-l\u00e8s-Nancy"},{"name":"Nancy University Medical School, Vandoeuvre-L\u00e8s-Nancy"},{"name":"Ecole des Hautes Etudes en Sant\u00e9 Publique, Rennes"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Val\u00e9rie","family":"Demange","sequence":"additional","affiliation":[{"name":"Occupational Epidemiology Department, Institut National de Recherche en Securite au Travail (INRS), Vandoeuvre-L\u00e8s-Nancy; and"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Dovi-St\u00e9phanie","family":"Acouetey","sequence":"additional","affiliation":[{"name":"Institut National de la Sant\u00e9 et de la Recherche M\u00e9dicale U954, School of Medicine, Vandoeuvre-l\u00e8s-Nancy"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jean-Pierre","family":"Michaely","sequence":"additional","affiliation":[{"name":"Institut National de la Sant\u00e9 et de la Recherche M\u00e9dicale U954, School of Medicine, Vandoeuvre-l\u00e8s-Nancy"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Abraham","family":"Bohadana","sequence":"additional","affiliation":[{"name":"Institut National de la Sant\u00e9 et de la Recherche M\u00e9dicale U954, School of Medicine, Vandoeuvre-l\u00e8s-Nancy"},{"name":"Service of Pneumology, Brabois Adults Hospital, Vandoeuvre-l\u00e8s-Nancy, 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