Identifying Patients at Lowest Risk for Streptococcal Pharyngitis: A National Validation Study - 22/04/20
, Yuval Barak-Corren, MD, MS 2, 3, Mark I. Neuman, MD, MPH 1, 2, Kenneth D. Mandl, MD, MPH 1, 2, 3, Marvin B. Harper, MD 1, 2, Andrew M. Fine, MD, MPH 1, 2Abstract |
Objectives |
To determine the prevalence of features of viral illness in a national sample of visits involving children tested for group A Streptococcus pharyngitis. Additionally, we sought to derive a decision rule to identify patients with features of viral illness who were at low risk of having group A Streptococcus and for whom laboratory testing might be avoided.
Study design |
Retrospective validation study using data from electronic health records of patients 3−21 years old evaluated for sore throat in a national network of retail health clinics (n = 67 127). We determined the prevalence of features of viral illness in patients tested for group A Streptococcus and developed a decision tree algorithm to identify patients with features of viral illness at low risk (<15%) of having group A Streptococcus.
Results |
Overall, 54% of patients had features of viral illness. Among patients with features of viral illness, those without tonsillar exudates who were 11 years or older and either lacked cervical adenopathy or had cervical adenopathy and lacked fever were identified as at low risk for group A Streptococcus according to the decision rule. This group comprised 34% of patients with features of viral illness, or 19% of all patients tested for group A Streptococcus infection.
Conclusions |
Our findings provide an objective way to identify patients with features of viral illness who are at low risk of having group A Streptococcus. Improved identification such patients at low risk of group A Streptococcus could improve appropriate testing and antibiotic prescribing for pharyngitis.
Le texte complet de cet article est disponible en PDF.Keywords : pharyngitis, group A streptococcus, diagnostic testing, antibiotic stewardship
Abbreviations : IDSA, RADT
Plan
| The authors declare no conflicts of interest. |
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| Portions of this study were at the Pediatric Academic Societies annual meeting, April 24-May 1, 2019, Baltimore, Maryland. |
Vol 220
P. 132 - mai 2020 Retour au numéro
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