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Screening and management protocols for group B streptococcus in pregnancy
1Maricopa Medical Center, 2601 R. Roosevelt, Phoenix, AZ 85008, USA. chris.carey@hcs.maricopa.gov
Insights
Group B Streptococcus (GBS) screening aims to prevent newborn infections. Current methods reduce but don't eliminate early-onset GBS disease, prompting debate on optimal screening and treatment strategies.
Area of Science:
- Obstetrics and Gynecology
- Neonatal Medicine
- Infectious Diseases
Background:
- Group B Streptococcus (GBS) infection is a major cause of newborn illness and death.
- Current screening and intrapartum antibiotic protocols aim to reduce early-onset GBS disease in neonates.
Purpose of the Study:
- To review the advantages and disadvantages of current Group B Streptococcus screening and treatment protocols.
- To address the ongoing controversy regarding the optimal approach for GBS management in pregnancy.
Main Methods:
- Review of existing literature on Group B Streptococcus screening methods (antepartum cultures, risk factors).
- Analysis of the efficacy and limitations of intrapartum antibiotic prophylaxis.
- Evaluation of the benefits and harms associated with current GBS management protocols.
Main Results:
- Current protocols reduce, but do not completely prevent, early-onset GBS disease.
- Controversy persists regarding the most effective screening and treatment strategies.
- Intrapartum antibiotics carry risks and may lead to overtreatment in some women.
Conclusions:
- Existing Group B Streptococcus screening and treatment protocols require critical evaluation.
- Further research is needed to optimize GBS prevention strategies for newborns.
- Balancing the benefits and harms of intrapartum antibiotics remains a key challenge.
Abstract:
Infection with Group B streptococcus (Streptococcus agalactiae) (GBS) is a leading cause of neonatal morbidity and mortality. Screening by antepartum cultures or by risk factors and intrapartum antibiotics has been shown to reduce the risk of early onset GBS disease in newborns, but controversy exists about the best approach for screening and treatment. Currently recommended protocols do not prevent all cases of early onset GBS disease. Intrapartum antibiotics are not without harm, and currently recommended protocols will result in large numbers of women being treated who would not have benefited from treatment. In this article, we review the advantages and disadvantages of currently recommended protocols.