I Wayan Gede Artawan Eka Putra, - and Ni Made Dian Kurniasari, - and Ni Putu Eka Purnama Dewi, - and I Ketut Suarjana, - and I Made Kerta Duana, - and I Ketut Hari Mulyawan, - and Pandu Riono, - and Bachti Alisjahbana, - and Ari Probandari, - and Hari Basuki Notobroto, - and Chatarina Umbul Wahyuni, - (2019) The Implementation of Early Detection in Tuberculosis Contact Investigation to Improve Case Finding. Journal of Epidemiology and Global Health, 9 (3). pp. 191-197. ISSN 2210-6014

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Abstract

The early detection of Tuberculosis (TB) among TB contacts is a strategy to find TB cases in earlier stage and to stop the transmission. This study aimed to assess the implementation of early detection in TB contact investigation to improve TB case finding. This was an operational research study conducted in Badung District, Bali, Indonesia. The samples were TB contacts, identified in the period July through September (third quarter) 2017. Contacts were household members who were living and sharing a room at least for 3 months with infectious TB patients and were not previously diagnosed with TB. Data were collected through face-to-face interview using structured questionnaires and registration reviews using a checklist. We visited 124 TB patients and successfully identified 498 contacts, thus the ratio of contacts to cases is 4:1. All TB contacts were invited to participate in TB screening and evaluation program. A total of 100 (20.1%) contacts have attended at least one examination session and 41 contacts have completed all sessions. Ten TB cases were found among the contacts, of which four of them were adults (three bacteriologically confirmed and one clinically confirmed) and six were children (aged under 15 years). The positivity rate among children was higher (46.2%) compared with adults (14.3%). The positivity rate of confirmed TB among contacts with any TB symptoms was 43.8% and that without symptoms was 12.0%. The contribution of early detection in TB contact investigation to improve TB case finding was 8.1% through all TB patients. The early detection in TB contact investigation yielded additional notified cases, especially among children. A comprehensive education, covering cognitive and psychological aspect, is needed to encourage TB contacts to completely participate in early detection program until their diagnosis is confirmed.

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