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Infectious Diseases in Obstetrics and Gynecology
Volume 11 (2003), Issue 1, Pages 1-9
Compliance With Protocols for Prevention of Neonatal Group B Streptococcal Sepsis: Practicalities and Limitations
1Centre for Infectious Diseases and Microbiology, Institute of Clinical Pathology and Medical Research, Westmead Hospital, Darcy Road, Westmead, NSW, 2145, Australia
2Department of Public Health and Community Medicine, University of Sydney, Westmead Hospital, New South Wales, Australia
3Master of Applied Epidemiology Programme, National Centre for Epidemiology and Population Health, Australian National University, Canberra, Australia
Received 29 July 2002; Accepted 6 January 2003
Copyright © 2003 Hindawi Publishing Corporation. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
Objective: To compare two protocols for intrapartum antibiotic prophylaxis (IAP) against neonatal group B streptococcal (GBS) sepsis, with respect to staff compliance, in a prospective cohort study in the obstetric units of a community hospital (A) and a university teaching hospital (B).
Methods: Cohorts comprised about 500 women attending antenatal clinics at each hospital (total 1096). Women identified as GBS carriers at 26–32 weeks'gestation and those who had intrapartum clinical risk factors (CRF) were eligible for IAP. Compliance was defined as the proportion of women eligible for IAP who received it according to protocol–as determined by audit of case records–and compared between hospitals and according to indication.
Results: Overall, 39% of women were eligible for IAP. Indications were GBS carriage alone (21%), CRF alone (13% ) and both (5% ). Compliance was similar for GBS carriers at both hospitals: 78% at Hospital A and 76% at Hospital B. However, because of the poor predictive value of screening before 32 weeks, only 65%of intrapartum GBS carriers actually received IAP. For women with CRF only, compliance was significantly lower at Hospital B than Hospital A (56 vs. 75%; p= 0.03).
Conclusions: According to currently recommended protocols, about one-third of healthy women are eligible for intrapartum antibiotics to prevent neonatal GBS sepsis. In practice, antibiotics are often used inefficiently because of poor compliance with protocols and poor predictive values of selection criteria. Better implementation strategies should improve compliance, but GBS vaccines are needed to replace prophylactic antibiotic use, with its associated disadvantages.