Objective: The purpose of this study was to compare adherence to the 2002 Centers for Disease Control (CDC) guidelines for the prevention of perinatal group B Streptococcus (GBS) disease in patients who are allergic to penicillin during the years 2004-2006 and 2008.
Study design: Previous data from our institution revealed suboptimal adherence to the 2002 CDC guidelines for GBS prophylaxis among women who are allergic to penicillin. These data caused the hospital to implement a series of interventions. The original cohort (2004-2006) was compared with a cohort of women who delivered between April 2008 and January 2009 (n = 74) to determine whether the proportion of women who had antimicrobial sensitivity testing and who had received an appropriate antibiotic had improved.
Results: In 2008, 76% (95% confidence interval, 66-84%) of GBS-positive women who are allergic to penicillin received an appropriate antibiotic (compared with 16.2% in 2004-2006; P < .001). Antimicrobial sensitivity testing was performed in 79.4% of cases (95% confidence interval, 68-87%), compared with 11.4% in 2004-2006 (P < .001).
Conclusion: With directed intervention, adherence to the 2002 CDC guidelines for GBS prophylaxis in women who are allergic to penicillin improved dramatically.
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