Impact of Rapid Streptococcal Test on Antibiotic Use in a Pediatric Emergency Department
- 1 November 2009
- journal article
- research article
- Published by Ovid Technologies (Wolters Kluwer Health) in Pediatric Emergency Care
- Vol. 25 (11), 748-750
- https://doi.org/10.1097/pec.0b013e3181bec88c
Abstract
To assess the impact of RSTs on antibiotic prescriptions in children with pharyngitis in the emergency department. A retrospective study from September 2005 to September 2007 of all patients (3-18 years old) presenting to the pediatric emergency department with sore throat as the chief complaint or suspected clinically to have acute pharyngitis and who had an RST performed. Patients with a negative RST result had a culture performed. The information of the patients with the diagnosis of pharyngitis was also collected in a 2-year control period before the availability of the test. Patients with a negative RST result had a culture performed. In addition, the antibiotic prescriptions for these patients were also recorded. A total of 8280 patients were included in the study. Throat culture results of 1723 patients were reviewed in the pre-RST phase. During the post-RST phase, 6557 children underwent RST. The RST results were positive in 1474 children (22.5%) and negative in 5083 patients (77.5%). Rapid strep testing was associated with a lower antibiotic prescription rate for children with pharyngitis (41.38% for those treated in the pre-RST phase versus 22.45% for those treated in the post-RST phase; P < 0.001). The availability of a RST could substantially reduce the unnecessary prescription of antibiotics. This study supports the screening of all children with pharyngitis by performing an RST to guide decision making for antibiotic administration. This strategy has a significant impact on reducing the antibiotic prescription rate to almost 50%. In addition, only 2 children (0.04%) had negative rapid antigen test results with cultures positive for Streptococcus.Keywords
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