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JOURNAL ARTICLE
OBSERVATIONAL STUDY
[Adolescent tuberculosis; a challenge and opportunity to prevent community transmission].
Anales de Pediatría : Publicación Oficial de la Asociación Española de Pediatría (A.E.P.) 2017 March
INTRODUCTION: Adolescents may present with adult-type pulmonary tuberculosis (TB), including cavity disease in upper lobes and smear-positive sputum, which involves a significant transmission risk for social and family contacts.
PATIENTS AND METHODS: A retrospective (2007-2012) observational study of a case series of TB was conducted in children and adolescents (<18 years) in a paediatric referral centre in Barcelona. Patients aged≤12 and>12 years at diagnosis are compared.
RESULTS: The series consisted of 124 patients (56.5% males, median age: 4.0 years). In half of the cases, the patient was of immigrant origina and TB was diagnosed after clinical-radiological suspicion, intra-thoracic disease being the most common (91.9%). Cultures yielded positive results in one third of cases (37.9%) and isolates were sensitive to oral first-line anti-TB agents in 100%. Median (interquartile range) duration of treatment was 6 (6-9) months, directly observed therapy was needed in 10 patients, and there was a satisfactory outcome after treatment in 98.4%. Among adolescents, TB was more prevalent in females (63.2%) and immigrant patients (68.4%), comorbidity at diagnosis and lung cavity forms were more common, and the source case was identified only in 21.1% of the patients.
CONCLUSION: Adult-type pulmonary TB is common among adolescents, may be associated with underlying medical conditions, and is often diagnosed late, posing a significant transmission risk to the community.
PATIENTS AND METHODS: A retrospective (2007-2012) observational study of a case series of TB was conducted in children and adolescents (<18 years) in a paediatric referral centre in Barcelona. Patients aged≤12 and>12 years at diagnosis are compared.
RESULTS: The series consisted of 124 patients (56.5% males, median age: 4.0 years). In half of the cases, the patient was of immigrant origina and TB was diagnosed after clinical-radiological suspicion, intra-thoracic disease being the most common (91.9%). Cultures yielded positive results in one third of cases (37.9%) and isolates were sensitive to oral first-line anti-TB agents in 100%. Median (interquartile range) duration of treatment was 6 (6-9) months, directly observed therapy was needed in 10 patients, and there was a satisfactory outcome after treatment in 98.4%. Among adolescents, TB was more prevalent in females (63.2%) and immigrant patients (68.4%), comorbidity at diagnosis and lung cavity forms were more common, and the source case was identified only in 21.1% of the patients.
CONCLUSION: Adult-type pulmonary TB is common among adolescents, may be associated with underlying medical conditions, and is often diagnosed late, posing a significant transmission risk to the community.
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