{"id":7632,"date":"2024-04-25T14:52:01","date_gmt":"2024-04-25T12:52:01","guid":{"rendered":"https:\/\/fhu-premimpact.org\/?post_type=publication&#038;p=7632"},"modified":"2024-08-28T14:54:30","modified_gmt":"2024-08-28T12:54:30","slug":"performances-of-two-rapid-lamp-based-techniques-for-the-intrapartum-detection-of-group-b-streptococcus-vaginal-colonization","status":"publish","type":"publication","link":"https:\/\/fhu-premimpact.org\/en\/publications\/performances-of-two-rapid-lamp-based-techniques-for-the-intrapartum-detection-of-group-b-streptococcus-vaginal-colonization\/","title":{"rendered":"Performances of two rapid LAMP-based techniques for the intrapartum detection of Group B Streptococcus vaginal colonization"},"content":{"rendered":"\n<h4 class=\"wp-block-heading\">Abstract<\/h4>\n\n\n\n<p><strong>Purpose:<\/strong> Group B Streptococcus (GBS) is the leading cause of invasive infections in newborns. The prevention of GBS neonatal disease relies on the administration of an intrapartum antibiotic prophylaxis to GBS-colonized women. In recent years, rapid intrapartum detection of GBS vaginal colonization using real-time nucleic acid amplification tests (NAATs) emerged as an alternative to antenatal culture screening methods.<\/p>\n\n\n\n<p><strong>Methods:<\/strong> We compared the performances of two loop-mediated isothermal amplification (LAMP) tests, the Ampliflash\u00ae GBS and the PlusLife\u00ae GBS tests, to standard culture for GBS detection in vaginal specimens from pregnant women. The study was conducted from April to July 2023 in a French hospital of the Paris area.<\/p>\n\n\n\n<p><strong>Results:<\/strong> A total of 303 samples were analyzed, including 85 culture-positive samples (28.1%). The Ampliflash\u00ae GBS test and the PlusLife\u00ae GBS tests gave a result for 100% and 96.3% tests, respectively. The performances of the tests were as follows: sensitivity 87.1% (95% confidence interval (CI) 78.3-92.6) and 98.7% (95% CI 93.0-99.8), specificity 99.1% (95% CI 96.7-99.8), and 91.9% (95% CI 87.3-95.0), respectively. False negative results of the Ampliflash\u00ae GBS test correlated with low-density GBS cultures. Time-to-results correlated with GBS culture density only for the PlusLife\u00ae GBS test (p &lt; 0.001).<\/p>\n\n\n\n<p><strong>Conclusion:<\/strong> Both techniques provide excellent analytical performances with high sensitivity and specificity together with a short turnaround time and results available in 10 to 35 min. Their potential to further reduce the burden of GBS neonatal disease compared with antenatal culture screening needs to be assessed in future clinical studies.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Ann Clin Microbiol Antimicrob. 2024 Apr 25;23(1):37.<br \/>\ndoi: 10.1186\/s12941-024-00695-2. <\/p>\n","protected":false},"featured_media":0,"template":"","class_list":["post-7632","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>Performances of two rapid LAMP-based techniques for the intrapartum detection of Group B Streptococcus vaginal colonization - 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\/performances-of-two-rapid-lamp-based-techniques-for-the-intrapartum-detection-of-group-b-streptococcus-vaginal-colonization\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Performances of two rapid LAMP-based techniques for the intrapartum detection of Group B Streptococcus vaginal colonization - 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