Abstract:
OBJECTIVE:Existing scoring systems for the diagnosis of group A streptococcus pharyngitis are insensitive or inapplicable in low-resources settings. Bacterial cultures and rapid tests can allow for antibiotic prescription abstention in high-income regions. These techniques are not feasible in many low-resources settings, and antibiotics often are prescribed for any pharyngitis episode. However, judicious antibiotics prescription in the community also is of concern in low-income countries. The objective of this study was to develop a clinical decision rule that allows for the reduction of empirical antibiotic therapy for children with pharyngitis in low-resources settings by identifying non-group A streptococcus pharyngitis. PATIENTS AND METHODS:We prospectively included children with pharyngitis in 3 public hospitals of Brazil during 9 months in 2004. We filled out clinical questionnaires and performed throat swabs. Bilateral chi2 (2-tailed test) and multivariate analysis were used to determine score categories. The outcome measures were sensitivity, specificity, positive likelihood ratio, and posttest probability of non-group A streptococcus infection with the clinical approach as compared with throat culture. RESULTS:A total of 163 of the 220 children had non-group A streptococcus pharyngitis (negative culture). We established a 3-questions decision rule (age and viral and bacterial signs) with 3 possible answers. The use of this score would prevent 41% to 55% of unnecessary antimicrobial prescriptions. The specificity of the score for non-group A streptococcus pharyngitis was >84%. CONCLUSION:Such a clinical decision rule could be helpful to reduce significantly unnecessary antibiotic prescriptions for pharyngitis in children in low-resources settings.
journal_name
Pediatricsjournal_title
Pediatricsauthors
Smeesters PR,Campos D Jr,Van Melderen L,de Aguiar E,Vanderpas J,Vergison Adoi
10.1542/peds.2006-1025subject
Has Abstractpub_date
2006-12-01 00:00:00pages
e1607-11issue
6eissn
0031-4005issn
1098-4275pii
118/6/e1607journal_volume
118pub_type
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