Dataset Information

Incidence and outcome of group B streptococcal invasive disease in Omani infants.

ABSTRACT: Objectives:Group B streptococcus (GBS) infection is a serious disease that continues to cause high morbidity and mortality. It is one of the leading cause of sepsis; particularly meningitis, in infants and young children all around the world. In this study, we aim to identify the incidence of GBS sepsis in Omani infants less than 3 months of age who were born at Royal Hospital and who presented with clinical sepsis and positive culture. In addition, we aim to describe the clinical presentation and complications noted on admission and then on follow-up visit. Methods:This is an observational retrospective chart review study. It included all Omani infants (0-3 months) who were diagnosed to have GBS sepsis/meningitis from 2006 to 2016 at the Royal Hospital, Muscat, Sultanate of Oman. Results:There were 83,000 live births in the Royal Hospital over a period of 10 years. Thirty-eight babies had culture proven GBS infection, with an overall incidence rate of neonatal GBS of 0.46 per 1000 live births with 95% confidence intervals. There were no significant variations in the annual rates of infection during the study period, ranging from around 1-7 cases per year. Additional 5 cases of GBS sepsis presented to Royal Hospital are either through Emergency Department or as referrals from other hospitals, giving us a total of 43 cases of proven GBS infections. Out of the 43 cases, 8 were born prematurely (19%), either before (<34 weeks, n?=?2) or during (34-36 weeks, n?=?6). Term babies were 35 out of 43 with percentage of 81% of the total. Three died, resulting in a case mortality of 7.0%. Conclusion:Our GBS incidence is comparable to that of screened population internationally. At the time being, with the best available results, maternal screening might not seem cost effective in our current settings. A cost effective study is required before implemented a national screening programme in the Country. However, this research will definitely help in the process of any future plans of implantation of new guidelines, as it can be used as leading point for future prospective studies.

SUBMITTER: Masroori EA

PROVIDER: S-EPMC7567995 | biostudies-literature | 2020 Sep

REPOSITORIES: biostudies-literature

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Incidence and outcome of group B streptococcal invasive disease in Omani infants.

Masroori Eman Al EA Uraba Wafa Bani WB Al Hashami Hilal H

International journal of pediatrics & adolescent medicine 20190529 3

<h4>Objectives</h4>Group B streptococcus (GBS) infection is a serious disease that continues to cause high morbidity and mortality. It is one of the leading cause of sepsis; particularly meningitis, in infants and young children all around the world. In this study, we aim to identify the incidence of GBS sepsis in Omani infants less than 3 months of age who were born at Royal Hospital and who presented with clinical sepsis and positive culture. In addition, we aim to describe the clinical presen ...[more]

PMID: 33094143

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Project description:Data on neonatal group B streptococcal (GBS) invasive disease burden are needed to refine prevention policies. Differences in surveillance methods and investigating for cases can lead to varying disease burden estimates. We compared the findings of laboratory-based passive surveillance for GBS disease across South Africa, and for one of the provinces compared this to a real-time, systematic, clinical surveillance in a population-defined region in Johannesburg, Soweto. Passive surveillance identified a total of 799 early-onset disease (EOD, <7 days age) and 818 LOD (late onset disease, 7-89 days age) cases nationwide. The passive surveillance provincial incidence varied for EOD (range 0.00 to 1.23/1000 live births), and was 0.03 to 1.04/1000 live births for LOD. The passive surveillance rates for Soweto, were not significantly different compared to those from the systematic surveillance (EOD 1.23 [95%CI 1.06-1.43] vs. 1.50 [95%CI 1.30-1.71], respectively, rate ratio 0.82 [95%CI 0.67-1.01]; LOD 1.04 [95% CI 0.90-1.23] vs. 1.22 [95%CI 1.05-1.42], rate ratio 0.85 [95% CI 0.68-1.07]). A review of the few cases missed in the passive system in Soweto, suggested that missing key identifiers, such as date of birth, resulted in their omission during the electronic data extraction process. Our analysis suggests that passive surveillance provides a modestly lower estimate of invasive GBS rates compared to real time sentinel-site systematic surveillance, however, this is unlikely to be the reason for the provincial variability in incidence of invasive GBS disease in South Africa. This, possibly reflects that invasive GBS disease goes undiagnosed due to issues related to access to healthcare, poor laboratory capacity and varying diagnostic procedures or empiric antibiotic treatment of neonates with suspected sepsis in the absence of attempting to making a microbiological diagnosis. An efficacious GBS vaccine for pregnant women, when available, could be used as a probe to better quantify the burden of invasive GBS disease in low-middle resourced settings such as ours. From our study passive systems are important to monitor trends over time as long as they are interpreted with caution; active systems give better detailed information and will have greater representivity when expanded to other surveillance sites.

Dataset Information

Incidence and outcome of group B streptococcal invasive disease in Omani infants.

Publications

Incidence and outcome of group B streptococcal invasive disease in Omani infants.

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