{"id":3285,"date":"2020-09-29T15:48:00","date_gmt":"2020-09-29T13:48:00","guid":{"rendered":"https:\/\/fhu-premimpact.org\/?post_type=publication&#038;p=3285"},"modified":"2021-02-06T15:50:58","modified_gmt":"2021-02-06T14:50:58","slug":"invasive-group-b-streptococcus-infections-in-non-pregnant-adults-a-retrospective-study-france-2007-2019","status":"publish","type":"publication","link":"https:\/\/fhu-premimpact.org\/en\/publications\/invasive-group-b-streptococcus-infections-in-non-pregnant-adults-a-retrospective-study-france-2007-2019\/","title":{"rendered":"Invasive group B Streptococcus infections in non-pregnant adults: a retrospective study, France, 2007-2019."},"content":{"rendered":"\n<h4 class=\"wp-block-heading\">Abstract<\/h4>\n\n\n\n<p><strong>Objectives:&nbsp;<\/strong>Group B Streptococcus (GBS) (Streptococcus agalactiae) is a pathogen of growing importance in adults. The objective of this study was to describe the features of invasive infections by GBS in non-pregnant adults.<\/p>\n\n\n\n<p><strong>Methods:&nbsp;<\/strong>GBS infections were reported to the national reference centre for streptococci. Clinical information was abstracted from questionnaires. Capsular typing, identification of the hypervirulent CC-17 clone, and antibiotic susceptibility testing were performed for all GBS isolates. Multi-locus sequence typing and assignment to clonal complexes (CCs) was performed on a representative sample of 324 isolates.<\/p>\n\n\n\n<p><strong>Results:&nbsp;<\/strong>In total, 1960 GBS invasive infections were analysed from 2007 to 2019. The median age at onset was 71 years old (range 18-103). The main manifestation was bacteraemia without focus (54.5%). Meningitis was more frequent in patients under 40 (26\/180, 14.4% versus 78\/1780, 4.4%, p &lt; 0.0001). Capsular types Ia, Ib, II, III and V accounted for 91.0% of the cases (1786\/1960). CC-1, -10, -17, -19 and -23 accounted for 96.3% (312\/324) of the cases. Capsular type III and CC-17 were overrepresented in meningitis (38\/104, 36.5%, p &lt; 0.001 and 22\/104, 21.2%, p 0.01, respectively). All isolates were susceptible to \u03b2-lactam antibiotics. Resistance to erythromycin (32.7%) and clindamycin (26.3%) remained stable, whereas decreased susceptibility to fluoroquinolones increased, reaching 2.7% in 2019 (p for trend 0.002).<\/p>\n\n\n\n<p><strong>Conclusions:&nbsp;<\/strong>This work highlights the susceptibility of the elderly to GBS infections and differences in the clinical manifestations according to the patients&#8217; age and GBS type. In agreement with worldwide reports on emerging multidrug-resistant GBS, it reinforces the need for a continued surveillance of GBS epidemiology.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Clin Microbiol Infect. 2021 Jan;27(1):129.e1-129.e4. doi: 10.1016\/j.cmi.2020.09.037. Epub 2020 Sep 29. PMID: 33007472.<\/p>\n","protected":false},"featured_media":0,"template":"","class_list":["post-3285","publication","type-publication","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.2 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Invasive group B Streptococcus infections in non-pregnant adults: a retrospective study, France, 2007-2019. - FHU Prem&#039;IMPACT<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/fhu-premimpact.org\/en\/publications\/invasive-group-b-streptococcus-infections-in-non-pregnant-adults-a-retrospective-study-france-2007-2019\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Invasive group B Streptococcus infections in non-pregnant adults: a retrospective study, France, 2007-2019. - FHU Prem&#039;IMPACT\" \/>\n<meta property=\"og:description\" content=\"Clin Microbiol Infect. 2021 Jan;27(1):129.e1-129.e4. doi: 10.1016\/j.cmi.2020.09.037. 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