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KMID : 0605820140210030191
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Korean Journal of Pediatric Infectious Diseases
2014 Volume.21 No. 3 p.191 ~ p.198
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A Study on Clinical Manifestations of Pulmonary Tuberculosis and Tuberculosis Contact Investigation in School-Age Children and Adolescents at Two Centers
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Bae Mi-Hae
Song Bo-Kyung
Kim Kyoung-Min
Son Seung-Kook
Park Su-Eun
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Abstract
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Purpose: The aim of this study was to evaluate the clinical manifestations, contact history, and status of tuberculosis contact investigations in school-age children and adolescents with pulmonary tuberculosis (TB) at two centers.
Methods: This study was conducted with 54 patients in the age ranging from 10 to 18 years, who were diagnosed with pulmonary TB at the Pusan National University Hospital and Pusan National University Children’s Hospital, January 2008 to December 2012. We retrospectively reviewed the medical records of the patients.
Results: The median age of the patients was 16 years old; 11 patients were aged 10 to 14 and 43 patients were aged 15 to 18. Among 54 patients, 19 had history of contact with pulmonary TB, 10 had contact with house members ( household), and remaining 9 had contact with classmates ( non-household). One out of 10 patients who had household contacts and 6 out of 9 patients who had non-household contacts were evaluated with contact investigation after the exposure to pulmonary TB. Among 7 patients who were evaluated with contact investigation, 3 were diagnosed with active pulmonary TB, 1 had latent tuberculosis infection (LTBI), and 3 had no evidence of TB or LTBI. The median period of diagnosis after the exposure to active pulmonary TB was 2 years in patients with household contacts and 0.23 years in patients with non-household contacts.
Conclusion: This study suggested that if the contact investigation conducted properly, it would be helpful for early diagnosis and prevention of pulmonary TB.
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KEYWORD
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Tuberculosis, Contact investigation, School-age children and adolescents
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