Efficiency of Rapid Antigen Test in Diagnosis of Acute Streptococcal Tonsillopharyngitis

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Clinical and Experimental Health Sciences
Volume:9 Issue:3
Efficiency of Rapid Antigen Test in Diagnosis of Acute Streptococcal Tonsillopharyngitis

Efficiency of Rapid Antigen Test in Diagnosis of Acute Streptococcal Tonsillopharyngitis

Authors : Tarik ACAR, Birsen ERTEKİN, Abdullah Sadik GİRİSGİN, Esma OZTURK, Serpil BİLGİ

Pages : 241-245

Doi:10.33808/clinexphealthsci.600033

View : 64 | Download : 13

Publication Date : 2019-09-30

Article Type : Research Paper

Abstract :Objective: Group A beta hemolytic streptococcus insert ignore into journalissuearticles values(GABHS); is the most common bacterial cause of acute tonsillopharyngitis. Cases with bacterial infection suspicion should undergo rapid antigen test insert ignore into journalissuearticles values(RAT); and/or throat culture test in addition to clinical criteria, since it may lead to serious complications. Method: A total of 220 adult and pediatric patients admitted to the emergency department between April-May 2016 with complaints of fever and sore throat, and diagnosed as acute tonsillopharyngitis were prospectively enrolled to the study. All participants had Centor score ≥2 and they underwent RAT. Sensitivity, specificity, positive predictive value insert ignore into journalissuearticles values(PPV); and negative predictive value insert ignore into journalissuearticles values(NPV); of RAT results of both groups were compared. Throat culture was considered as gold standard method. Results: Mean age of the study population was 22,5±16,9 insert ignore into journalissuearticles values(1-72); years. 57% insert ignore into journalissuearticles values(n=61); of the pediatric group, and 42.5% insert ignore into journalissuearticles values(n=48); of adult group were male. Sensitivity of RAT in adults and pediatric group was 62% vs. 57%, and specificity of the test was 96% vs. 97%, PPV was 55% vs. 80%, and NPV was 97% vs. 93%, respectively. Conclusion: We found low sensitivity and PPV values of RAT. Also, low levels of sensitivity decrease the possibility of RAT to be a diagnostic tool for the diagnosis of GABHS.
Keywords : Pharyngitis, streptococci, emergency care, rapid antigen test, culture

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