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The typical presentation of an atypical pathogen during an outbreak of Legionnaires’ disease in Vila Franca de Xira, Portugal, 2014

2017-05Journal article Open access
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dc.contributor.authorDias, A.
dc.contributor.authorCysneiros, A.
dc.contributor.authorLopes, F.T.
dc.contributor.authorvon Amann, B.
dc.contributor.authorCosta, C.
dc.contributor.authorDionísio, P.
dc.contributor.authorCarvalho, J.
dc.contributor.authorDurão, V.
dc.contributor.authorCarvalho, G.
dc.contributor.authorPaula, F.
dc.contributor.authorSerrado, M.
dc.contributor.authorNunes, B.
dc.contributor.authorMarques, T.
dc.contributor.authorFroes, F.
dc.contributor.authorBárbara, C.
dc.date.accessioned2018-02-26T16:21:23Z
dc.date.available2018-02-26T16:21:23Z
dc.date.issued2017-05
dc.description.abstractBackground: An outbreak of Legionella pneumophila serogroup 1, with 403 cases was identified on the 7th November 2014 in Vila Franca de Xira, Portugal. Outbreak source was the wet cooling system of a local factory. Hospital Pulido Valente was one of the hospitals receiving patients with Legionnaires’ disease (LD). Methods: We describe the clinical findings and diagnostic methods used among the 43 confirmed or probable cases admitted to our department. Results: 60.5% were male, mean age was 56.1 ± 13.5 years and tobacco smoking was the most frequent risk factor (76.7%). All patients had fever, 62.8% ≥39.5 ◦C, 72.1% had chills and myalgia/arthralgia and 62.8% had dry cough. Extra pulmonary symptoms were frequent: confusion and headache occurred in 34.9% and gastrointestinal symptoms in 20.9%. High C-Reactive Protein (55.8% ≥30 mg/dL) and hyponatremia (62.8%) were the laboratorial abnormalities most commonly found. Hypoxemia occurred in 55.8% and hypocapnia in 93%. Urinary Antigen Test (UAT) was positive in 83.7% of the cases. Conclusions: Although not specific, a combination of risk factors, symptoms and laboratory findings can be highly suggestive of LD, even in an outbreak. This should prompt diagnosispt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.citationRev Port Pneumol (2006). 2017 May - Jun;23(3):117-123. doi: 10.1016/j.rppnen.2017.01.007. Epub 2017 Mar 1.pt_PT
dc.identifier.doi10.1016/j.rppnen.2017.01.007pt_PT
dc.identifier.issn0873-2159
dc.identifier.urihttp://hdl.handle.net/10400.18/5075
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.publisherElsevier/Sociedade Portuguesa de Pneumologiapt_PT
dc.relation.publisherversionhttps://doi.org/10.1016/j.rppnen.2017.01.007pt_PT
dc.rights.urihttp://creativecommons.org/licenses/by-nc/4.0/pt_PT
dc.subjectLegionella pneumophila serogroup 1pt_PT
dc.subjectLegionnaires’ Diseasept_PT
dc.subjectOutbreakpt_PT
dc.subjectClinical Presentationpt_PT
dc.subjectVila Franca de Xirapt_PT
dc.subjectPortugalpt_PT
dc.subjectEstado de Saúdept_PT
dc.titleThe typical presentation of an atypical pathogen during an outbreak of Legionnaires’ disease in Vila Franca de Xira, Portugal, 2014pt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.citation.endPage123pt_PT
oaire.citation.issue3pt_PT
oaire.citation.startPage117pt_PT
oaire.citation.titleRevista Portuguesa de Pneumologiapt_PT
oaire.citation.volume23pt_PT
rcaap.rightsopenAccesspt_PT
rcaap.typearticlept_PT

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