期刊
CLINICAL INFECTIOUS DISEASES
卷 72, 期 11, 页码 E791-E798出版社
OXFORD UNIV PRESS INC
DOI: 10.1093/cid/ciaa1485
关键词
Group B Streptococcus; epidemiology; clinical burden; mortality
This study assessed the burden of GBS disease and mortality in young infants in England, finding that there was no significant change in the annual incidence of GBS disease over the years, but a significant decline in GBS-attributable mortality. Infants with GBS had higher rates of visual impairment, cerebral palsy, hydrocephalus, and necrotizing enterocolitis compared to those without GBS.
Background and Objectives. Group B Streptococcus (GBS) is the leading cause of sepsis and meningitis in infants <90 days. In this study, the burden of GBS disease and mortality in young infants in England was assessed. Methods. Using linked hospitalization records from every National Health Service (NHS) hospital from April 1, 1998 to March 31, 2017, we calculated annual GBS incidence in infants aged <90 days and, using regression models, compared their perinatal factors, rates of hospital-recorded disease outcomes, and all-cause infant mortality rates with those of the general infant population. Results. 15 429 infants aged <90 days had a hospital-recorded diagnosis of GBS, giving an average annual incidence of 1.28 per 1000 live births (95% CI 1.26-1.30) with no significant trend over time. GBS-attributable mortality declined significantly from 0.044 (95% CI.029-.065) per 1000 live births in 2001 to 0.014 (95% CI.010-.026) in 2017 (annual percentage change -6.6, 95% CI -9.1 to -4.0). Infants with GBS had higher relative rates of visual impairment (HR 7.0 95% CI 4.1-12.1), cerebral palsy (HR 9.3 95% CI 6.6-13.3), hydrocephalus (HR 17.3 95% CI 13.8-21.6), and necrotizing enterocolitis (HR 18.8 95% CI 16.7-21.2) compared with those without GBS. Conclusions. Annual rates of GBS disease in infants have not changed over 19 years. The reduction in mortality is likely multifactorial and due to widespread implementation of antibiotics in at-risk mothers and babies, as well as advances in managing acutely unwell infants. New methods for prevention, such as maternal vaccination, must be prioritized.
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