{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,10,15]],"date-time":"2025-10-15T17:12:56Z","timestamp":1760548376643},"reference-count":26,"publisher":"Wiley","issue":"2","license":[{"start":{"date-parts":[[2007,1,23]],"date-time":"2007-01-23T00:00:00Z","timestamp":1169510400000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Clin Experimental Allergy"],"published-print":{"date-parts":[[2007,2]]},"abstract":"<jats:title>Summary<\/jats:title><jats:p><jats:bold>Background\n\t\t\t\t\t<\/jats:bold> Reactive dye (RD) is known to be a causative agent of occupational asthma (OA). However, to date, no report has been issued concerning the long\u2010term outcomes of RD\u2010induced OA.<\/jats:p><jats:p><jats:bold>Objectives\n\t\t\t\t\t<\/jats:bold> We sought to evaluate the long\u2010term outcomes in cases of OA caused by RD.<\/jats:p><jats:p><jats:bold>Methods\n\t\t\t\t\t<\/jats:bold> A total of 11 OA patients confirmed by RD bronchial challenge were enrolled in this study. First and second follow\u2010up examinations were conducted at 4.3\u00b12.3 and 13.7\u00b12.3 years (means\u00b1SD) after the initial examinations, respectively. Skin prick test with RD and 11 common inhalant allergens, pulmonary function test, methacholine bronchial provocation testing, symptom and medication scores were determined at each visit. In addition, inflammatory cells in induced sputum were measured at the second follow\u2010up examinations.<\/jats:p><jats:p><jats:bold>Results\n\t\t\t\t\t<\/jats:bold> Reduced lung function at initial examinations did not recover at the first and second examinations despite cessation of exposure and proper pharmacological treatment. In addition, asthma severity (as determined by symptom and medication scores) and non\u2010specific airway hyper\u2010responsiveness to methacholine also did not improve. However, skin reactivity to RD almost disappeared at the second examinations. Interestingly, four of the six patients who showed negative skin responses to all 11 common inhalant allergens at initial examinations were found to be atopic at the second examinations. Moreover, in terms of airway inflammation, seven of the 11 patients showed eosinophilia in induced sputum (3%) at the second examinations despite having been on high\u2010dose inhaled corticosteroid medication.<\/jats:p><jats:p><jats:bold>Conclusion\n\t\t\t\t\t<\/jats:bold> The present study demonstrates that reduced lung function and asthmatic symptoms persist in RD\u2010induced OA even after long\u2010term exposure avoidance.<\/jats:p>","DOI":"10.1111\/j.1365-2222.2007.02641.x","type":"journal-article","created":{"date-parts":[[2007,1,23]],"date-time":"2007-01-23T11:18:44Z","timestamp":1169551124000},"page":"225-230","source":"Crossref","is-referenced-by-count":14,"title":["Outcomes in occupational asthma caused by reactive dye after long\u2010term avoidance"],"prefix":"10.1111","volume":"37","author":[{"given":"H. \u2010W.","family":"Park","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"D. 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