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Evaluation of Tuberculin Skin Test Results of One Year

Author(s): Şefika Elmas Bozdemir | Solmaz Çelebi | Mustafa Hacımustafaoğlu | Deniz Çakır | Deniz Aygün | Muhittin Bodur

Journal: Cocuk Enfeksiyon Dergisi
ISSN 1307-1068

Volume: 5;
Issue: 4;
Start page: 123;
Date: 2011;
Original page

Keywords: Tuberculin skin test | izoniaside prophylaxis | childhood

Objective: We aimed to determine reasons for Tuberculin Skin Test (TST) application, positive TST frequency and the factors influencing positivity in children in the Uludag University Medical Faculty Pediatric Infectious Disease Outpatient Clinic.Materials and Methods: In the Outpatient Clinic, TST was applied to 503 children between January 1st-December 31th. The reasons for the TST application, TST positivity and factors influencing positivity were evaluated. 5 TU of Purified Protein Derivative (PPD) was given, and the test was evaluated after 72 hours by measuring the diameter of enduration. Ages, genders, BCG scarring, contact with tuberculosis disease and diagnosis were recorded.Results: Of the patients, 52.9% were boys with a mean age 7.71±4.7 years (1 month-18 years). Diagnoses of patients were, frequent infection in 30.8%, prolonged cough in 24.3%, asthma/bronchial hyperreactivity (BHR) in 11.1%, recurrent pneumonia in 8.2%, close contact with tuberculosis in 6.5%, peripheral lymphadenopathy in 5.4%, tuberculosis disease in 2.4%, immunodeficiency in 2.6% , bronchiectasis in 1.6%. Most frequent cases of TST positive patients (73.5%) were in the tuberculosis close contact group. TST positivity was 55.7% in the prolonged cough group, 30.9% in the frequent infection group, 33.9% in the asthma/BHR group, 19.5% in the recurrent pneumonia group, 29.6% in the lymphadenopathy group, 38.4% in the immunodeficiency group and 50% in the bronchiectasis group. 40.7% of patients had TST>15 mm, 26.4% TST=10-14 mm and 30.7% TST
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