TRENDS IN SERVICES FOR HOUSEHOLD CONTACTS OF TUBERCULOSIS PATIENTS IN SURABAYA CITY, INDONESIA: CONTACT INVESTIGATION, EXAMINATION, AND THERAPY

Background: Home contact investigation services for TB patients are crucial for the early detection of active TB, which helps reduce the severity and transmission of Mycobacterium tuberculosis to others, as well as for identifying latent TB infection (LTBI). This study aims to analyze trends in the provision of services for household contacts of TB patients in Surabaya City, including contact investigation, examination, and therapy. Methods: The data were sourced from secondary data provided by the Surabaya City Health Office, obtained from the Tuberculosis Information System (TBIS) at 63 health centers over three periods: 2020–2022. The research variables include contact investigation, referrals, examinations, and therapy for household contacts of TB patients. Results and Discussions: The study results show that in Surabaya City, from 2020 to 2022, there was an increase in the number of contacts investigated in absolute terms, rising from 10,132 people in 2020 to 92,756 people in 2021, and further to 349,859 people in 2022. Comparing 2020 to 2022, there was a notable increase in contact investigations for household contacts, with a rise of 178,076 for males and 171,782 for females. The number of household contacts referred increased by 20,946 (5.99%), with 16,197 (77.33%) examined, 5,085 (31.39%) receiving anti-tuberculosis drugs, and 910 (5.62%) receiving tuberculosis preventive therapy. Conclusion: In Surabaya City, during the period from 2020 to 2022, there was an increasing trend in services for household contacts of TB patients, including contact investigation, referral, examination, and therapy, which can improve detection of TB and LTBI cases. Keywords: Household contacts of TB patients, contact investigation, examination, therapy