Epidemiological and clinical study of tuberculosis among the children

Abstract

Annually 1.1 million children until 15 years old had TB and 230.000 of them were died. In Mongolia nearly 400 new cases of TB were diagnosed among the children every year, it was 10% of all TB. Among the 0-14 years old children were diagnosed 382 cases of TB it was 10.5% of all TB and increased by 2.1% than previous years. We were descriptively studied 710 children’s history of diseases, who were treated in NCCD during 2016-2018 with diagnosis TB. The incidence of TB was not different among the age groups (0-4 years old 22.8%, 5-9 years23.0%, 10-14 years 22.5%, 15-18 years 31.7%). The household contact was determined in 32.5% of all children and the unknown contact anamnesis was dominated in all age group. In 60.8% of all children the TB was diagnosed after manifestation clinical symptom, in 38.4% - during the contact tracing detection. Among the children until 15 years old was dominantly diagnosed the extra-pulmonary TB ( 0-4 years old 86.4%, 5-9 years83.4%, 10-14 years - 71.9%). The pulmonary (45.3%) and extra-pulmonary (48.4%) TB were diagnosed among the children 15-18 years old in equal and was more (p=0.000) than other age group. The TST was used in 88.7% of all children. 51 (7.1%) children were treated with diagnosis drug resistant TB. Conclusion: Incidence of TB was equal among the 18 years old children. The extra-pulmonary TB is dominating among the children till 15 years old, the pulmonary and extra-pulmonary TB both are occurring above 15 years old children in equal.