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A Pilot Project of Systematic Tuberculosis Screening in the Elderly in a South Korean Province

  • Kim, Hyunwoo (Department of Research and Development, The Korean Institute of Tuberculosis, Korean National Tuberculosis Association) ;
  • Kim, Hee-Jin (The Korean Institute of Tuberculosis, Korean National Tuberculosis Association) ;
  • Oh, Kyung-Hyun (Department of Program Cooperation, The Korean Institute of Tuberculosis, Korean National Tuberculosis Association) ;
  • Oh, Hwan-Wook (Gwangju Jeonnam Branch, Korean National Tuberculosis Association) ;
  • Choi, Hongjo (Department of Research and Development, The Korean Institute of Tuberculosis, Korean National Tuberculosis Association)
  • 투고 : 2018.07.31
  • 심사 : 2019.01.14
  • 발행 : 2019.07.31

초록

Background: Tuberculosis (TB) is a major infectious disease in South Korea causing substantial disease burden, particularly in the elderly. This study aimed to identify the case detection rate of mobile TB screening for the elderly conducted in the Jeollanam-do region and to analyze risk factors of active TB. Methods: We screened the elderly population (${\geq}65$ years old) in Jeollanam-do from August to December 2017. Chest radiography was performed for all participants. Participants with TB presumptive signs were asked to submit sputum specimen(s). Sputum smear, culture, and polymerase chain reaction analyses were performed. Cascade analysis, chi-squared tests, and Fisher exact tests were used to evaluate screening performance. Results: In total, 12,402 participants were screened, and 211 (1.7%) were suspected to have active TB; 181 of the suspected patients (85.8%) underwent sputum smear test, and 16 (8.8%) patients were confirmed to have TB. The TB prevalence among the elderly was bacteriologically confirmed to be 129 per 100,000 individuals, which was similar to national TB notification data for the same age groups. The proportion of active TB cases increased with age, and differed based on sex and past TB history. However, TB-related symptoms, comorbidity status, and TB screening history within 12 months were not predictive of active TB. Conclusion: This study identified that the prevalence rate was similar to national TB notification data from the same age groups. Periodic, community-based, systematic TB screening among the elderly population is recommended.

키워드

참고문헌

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피인용 문헌

  1. Active Case Finding in the Elderly Tuberculosis in South Korea vol.82, pp.3, 2019, https://doi.org/10.4046/trd.2019.0043
  2. Current situation of tuberculosis and National Strategic Plan for Tuberculosis Control in Korea vol.64, pp.4, 2019, https://doi.org/10.5124/jkma.2021.64.4.316
  3. Estimating the burden of nosocomial exposure to tuberculosis in South Korea, a nationwide population based cross-sectional study vol.36, pp.5, 2019, https://doi.org/10.3904/kjim.2020.144