{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2023,10,10]],"date-time":"2023-10-10T02:37:25Z","timestamp":1696905445547},"reference-count":45,"publisher":"Springer Science and Business Media LLC","issue":"1","content-domain":{"domain":["link.springer.com"],"crossmark-restriction":false},"short-container-title":["J Occup Med Toxicol"],"published-print":{"date-parts":[[2010,12]]},"abstract":"<jats:title>Abstract<\/jats:title>\n          <jats:sec>\n            <jats:title>Introduction<\/jats:title>\n            <jats:p>The risk of tuberculosis (TB) in healthcare workers (HCWs) is related to its incidence in the general population, and increased by the specific risk as a professional group. The prevalence of latent tuberculosis infection (LTBI) in HCWs in Portugal using the tuberculin skin test (TST) and the interferon-\u03b3 release assays (IGRA) was analyzed over a five-year period.<\/jats:p>\n          <\/jats:sec>\n          <jats:sec>\n            <jats:title>Methods<\/jats:title>\n            <jats:p>A screening programme for LTBI in HCWs was conducted, with clinical evaluations, TST, IGRA, and chest radiography. Putative risk factors for LTBI were assessed by a standardised questionnaire.<\/jats:p>\n          <\/jats:sec>\n          <jats:sec>\n            <jats:title>Results<\/jats:title>\n            <jats:p>Between September 2005 and June 2009, 5,414 HCWs were screened. The prevalence of LTBI was 55.2% and 25.9% using a TST \u2265 10 mm or an IGRA test result (QuantiFERON-TB Gold In-Tube) INF-\u03b3 \u22650.35 IU\/mL as a criterion for LTBI, respectively. In 53 HCWs active TB was diagnosed. The number of HCWs with newly detected active TB decreased from 19 in the first year to 6 in 2008. Risk assessment was poorly related to TST diameter. However, physicians (1.7%) and nurses (1.0%) had the highest rates of active TB.<\/jats:p>\n          <\/jats:sec>\n          <jats:sec>\n            <jats:title>Conclusions<\/jats:title>\n            <jats:p>LTBI and TB burden among HCWs in Portugal is high. The screening of these professionals to identify HCWs with LTBI is essential in order to offer preventive chemotherapy to those with a high risk of future progression to disease. Systematic screening had a positive impact on the rate of active TB in HCWs either by early case detection or by increasing the awareness of HCWs and therefore the precautions taken by them.<\/jats:p>\n          <\/jats:sec>","DOI":"10.1186\/1745-6673-5-22","type":"journal-article","created":{"date-parts":[[2010,8,13]],"date-time":"2010-08-13T19:43:07Z","timestamp":1281728587000},"update-policy":"http:\/\/dx.doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":20,"title":["Results of five-year systematic screening for latent tuberculosis infection in healthcare workers in Portugal"],"prefix":"10.1186","volume":"5","author":[{"given":"Jos\u00e9","family":"Torres Costa","sequence":"first","affiliation":[]},{"given":"Rui","family":"Silva","sequence":"additional","affiliation":[]},{"given":"Raul","family":"S\u00e1","sequence":"additional","affiliation":[]},{"given":"Maria Jo\u00e3o","family":"Cardoso","sequence":"additional","affiliation":[]},{"given":"Albert","family":"Nienhaus","sequence":"additional","affiliation":[]}],"member":"297","published-online":{"date-parts":[[2010,7,26]]},"reference":[{"key":"143_CR1","doi-asserted-by":"publisher","first-page":"71","DOI":"10.7326\/0003-4819-120-1-199401010-00012","volume":"120","author":"KA Sepkowitz","year":"1994","unstructured":"Sepkowitz KA: Tuberculosis and the health care worker: a historical perspective. 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