{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,27]],"date-time":"2026-09-27T00:56:14Z","timestamp":1790470574873,"version":"4.1.0"},"reference-count":57,"publisher":"American Society for Microbiology","issue":"7","license":[{"start":{"date-parts":[[2017,7,1]],"date-time":"2017-07-01T00:00:00Z","timestamp":1498867200000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/journals.asm.org\/non-commercial-tdm-license"}],"content-domain":{"domain":["journals.asm.org"],"crossmark-restriction":true},"short-container-title":["J Clin Microbiol"],"published-print":{"date-parts":[[2017,7]]},"abstract":"<jats:title>ABSTRACT<\/jats:title>\n          <jats:p>\n            <jats:named-content content-type=\"genus-species\">Achromobacter<\/jats:named-content>\n            species are increasingly being detected in cystic fibrosis (CF) patients, with an unclear epidemiology and impact. We studied a cohort of patients attending a Canadian adult CF clinic who had positive sputum cultures for\n            <jats:named-content content-type=\"genus-species\">Achromobacter<\/jats:named-content>\n            species in the period from 1984 to 2013. Infection was categorized as transient or persistent (\u226550% positive cultures for 1 year). Those with persistent infection were matched 2:1 with age-, sex-, and time-matched controls without a history of\n            <jats:named-content content-type=\"genus-species\">Achromobacter<\/jats:named-content>\n            infection, and mixed-effects models were used to assess pulmonary exacerbation (PEx) frequency and lung function decline. Isolates from a biobank were retrospectively assessed, identified to the species level by\n            <jats:italic>nrdA<\/jats:italic>\n            sequencing, and genotyped using pulsed-field gel electrophoresis (PFGE). Thirty-four patients (11% of those in our clinic), with a median age of 24 years (interquartile range [IQR], 20.3 to 29.8 years), developed\n            <jats:named-content content-type=\"genus-species\">Achromobacter<\/jats:named-content>\n            infection. Ten patients (29%) developed persistent infection. Persistence did not denote permanence, as most patients ultimately cleared infection, often after years. Patients were more likely to experience PEx at incident isolation than at prior or subsequent visits (odds ratio [OR], 2.7 [95% confidence interval {CI}, 1.2 to 6.7];\n            <jats:italic>P<\/jats:italic>\n            = 0.03). Following persistent infection, there was no difference in annual lung function decline (\u22121.08% [95% CI, \u22122.73 to 0.57%] versus \u22122.74% [95% CI, \u22124.02 to 1.46%];\n            <jats:italic>P<\/jats:italic>\n            = 0.12) or the odds of PEx (OR, 1.21 [95% CI, 0.45 to 3.28];\n            <jats:italic>P<\/jats:italic>\n            = 0.70). Differential virulence among\n            <jats:named-content content-type=\"genus-species\">Achromobacter<\/jats:named-content>\n            species was not observed, and no cases of transmission occurred. We demonstrated that incident\n            <jats:named-content content-type=\"genus-species\">Achromobacter<\/jats:named-content>\n            infection was associated with a greater risk of PEx; however, neither transient nor chronic infection was associated with a worsened long-term prognosis. Large, multicenter studies are needed to clarify the clinical impact, natural history, and transmissibility of\n            <jats:named-content content-type=\"genus-species\">Achromobacter<\/jats:named-content>\n            .\n          <\/jats:p>","DOI":"10.1128\/jcm.02556-16","type":"journal-article","created":{"date-parts":[[2017,4,27]],"date-time":"2017-04-27T00:40:29Z","timestamp":1493253629000},"page":"2074-2085","update-policy":"https:\/\/doi.org\/10.1128\/asmj-crossmark-policy-page","source":"Crossref","is-referenced-by-count":82,"title":["Prevalence and Outcomes of Achromobacter Species Infections in Adults with Cystic Fibrosis: a North American Cohort Study"],"prefix":"10.1128","volume":"55","author":[{"given":"B. D.","family":"Edwards","sequence":"first","affiliation":[{"name":"Department of Medicine, University of Calgary, Calgary, Alberta, Canada"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"J.","family":"Greysson-Wong","sequence":"additional","affiliation":[{"name":"Department of Microbiology, Immunology and Infectious Diseases, University of Calgary, Calgary, Alberta, Canada"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"R.","family":"Somayaji","sequence":"additional","affiliation":[{"name":"Department of Medicine, University of Calgary, Calgary, Alberta, Canada"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"B.","family":"Waddell","sequence":"additional","affiliation":[{"name":"Department of Microbiology, Immunology and Infectious Diseases, University of Calgary, Calgary, Alberta, Canada"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"F. J.","family":"Whelan","sequence":"additional","affiliation":[{"name":"Department of Biochemistry and Biomedical Sciences, the Farncombe Family Digestive Health Research Institute, McMaster University, Hamilton, Ontario, Canada"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"D. G.","family":"Storey","sequence":"additional","affiliation":[{"name":"Department of Microbiology, Immunology and Infectious Diseases, University of Calgary, Calgary, Alberta, Canada"},{"name":"Department of Biological Sciences, University of Calgary, Calgary, Alberta, Canada"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"H. R.","family":"Rabin","sequence":"additional","affiliation":[{"name":"Department of Medicine, University of Calgary, Calgary, Alberta, Canada"},{"name":"Department of Microbiology, Immunology and Infectious Diseases, University of Calgary, Calgary, Alberta, Canada"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"M. 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