Osong Public Health and Research Perspectives

Original Articles

Results of Tuberculosis Contact Investigation in Congregate Settings in Korea, 2013: Yunhyung Kwon, So Jung Kim, Jieun Kim, Seol-yi Kim, Eun Mi Song, Eun Jung Lee, Yun Choi, Yejin Kim, Byoung ok Lim, Da Sul Kim, Duksun Choi, Hye Sung Kim, Ji Eun Park, Ji-eun Yun, Jin A. Park, Jong Rak Jung, Joo-kyoung Kim, Sang Hee Kang, Seo Yean Hong, Seung Jae Lee, Soo Jin Park, Sun Hwa Park, Sunhye Yoon, Yoonsun Kim, Yunjeong Choi, Yun Jeong Seo, Yul A Seo, Jiseon Park, Minhee Sung, Minjang Shin, Hyunjin Son, Yeonkyeng Lee, Unyeong Go, Geun-Yong Kwon; Osong Public Health Res Perspect. 2014;5(Suppl):S30-S36. Published online December 31, 2014; DOI: https://doi.org/10.1016/j.phrp.2014.10.010

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Objectives
This study aimed to check the status of the contact investigation in congregate settings to eradicate tuberculosis (TB) in the Republic of Korea.
Methods
The “Integrated System for Disease and Public Health Management” is used for care and follow-up for patients and contacts of TB. We downloaded data for contact investigations conducted from January to December 2013.
Results
A total of 1,200 contact investigations in congregate settings were carried out by 25 field investigators in 2013. We performed the status of contact investigation, TB, and LTBI rate by age, accept rate of LTBI treatment, and complete rate of LTBI treatment during 2013. A total of 1,547 index TB patients, 149,166 contacts, and 259 additional TB patients were found through the investigation. Kindergartens showed the highest LTBI rate, 19.8%, among educational facilities. The second highest was in elementary schools and the subtotal LTBI rate of educational facilities was 7.8%. Social welfare/correctional facilities and workplaces showed relatively high LTBI rates of 23.8% and 23.6%, respectively. By age, individuals >35 years showed the highest LTBI rate, followed by those aged 0–4 years, 30–34 years, and 5–9 years, with rates of 18.1%, 16.4%, and 15.4% respectively. When comparing the tuberculin skin test (TST) positive conversion ratio by facility, middle school and high school were relatively high compared to the others. The accept rate of LTBI treatment in the workplace was lowest at 63% and the complete rate in elementary schools was lowest at 76.5%.
Conclusion
TB contact investigation is considered as a meaningful strategy for preventing TB outbreaks in congregate settings and decreasing the prevalence of TB in young people. Results of this study could be used to establish the LTBI management policy.

Citations

Citations to this article as recorded by

Latent Tuberculosis Cascade of Care Among Healthcare Workers: A Nationwide Cohort Analysis in Korea Between 2017 and 2018
Jinsoo Min, Hyung Woo Kim, Joon Young Choi, Ah Young Shin, Ji Young Kang, Yunhee Lee, Jun-Pyo Myong, Hyunsuk Jeong, Sanghyuk Bae, Hyeon-Kyoung Koo, Sung-Soon Lee, Jae Seuk Park, Hyeon Woo Yim, Ju Sang Kim
Journal of Korean Medical Science.2022;[Epub] CrossRef
Risk of active tuberculosis development in contacts exposed to infectious tuberculosis in congregate settings in Korea
Shin Young Park, Sunmi Han, Young-Man Kim, Jieun Kim, Sodam Lee, Jiyeon Yang, Un-Na Kim, Mi-sun Park
Scientific Reports.2020;[Epub] CrossRef
The risk of active tuberculosis among individuals living in tuberculosis-affected households in the Republic of Korea, 2015
Jiyeon Yang, Sodam Lee, Suhyeon Oh, Sunmi Han, Shin Young Park, Youngman Kim, Jieun Kim, Mi-sun Park, Philip C. Hill
PLOS ONE.2019; 14(12): e0225744. CrossRef
The Infectivity of Pulmonary Tuberculosis in Korean Army Units: Evidence from Outbreak Investigations
Chang-gyo Yoon, Dong Yoon Kang, Jaehun Jung, Soo Yon Oh, Jin Beom Lee, Mi-Hyun Kim, Younsuk Seo, Hee-Jin Kim
Tuberculosis and Respiratory Diseases.2019; 82(4): 298. CrossRef
Tuberculosis prevention and care in Korea: Evolution of policy and practice
Unyeong Go, Misun Park, Un-Na Kim, Sodam Lee, Sunmi Han, Joosun Lee, Jiyeon Yang, Jieun Kim, Shinyoung Park, Youngman Kim, Hyosoon Yoo, Jeongok Cha, Wonseo Park, Haeyoung Kang, Hwon Kim, Guri Park, Minjung Kim, Ok Park, Hyunjin Son, Enhi Cho, Kyoungin Na,
Journal of Clinical Tuberculosis and Other Mycobac.2018; 11: 28. CrossRef
The Prevalence and Risk Factors of Latent Tuberculosis Infection among Health Care Workers Working in a Tertiary Hospital in South Korea
Jae Seuk Park
Tuberculosis and Respiratory Diseases.2018; 81(4): 274. CrossRef

Relationship between Serum Levels of Body Iron Parameters and Insulin Resistance and Metabolic Syndrome in Korean Children: Hye-Ja Lee, Han Byul Jang, Ji Eun Park, Kyung-Hee Park, Jae Heon Kang, Sang Ick Park, Jihyun Song; Osong Public Health Res Perspect. 2014;5(4):204-210. Published online August 31, 2014; DOI: https://doi.org/10.1016/j.phrp.2014.06.005

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Abstract PDF

Objectives
An increase in serum ferritin and levels of the cleaved soluble form of transferrin receptor (sTfR) are related to several metabolic conditions. We evaluated the relationship between body iron status indicators, including ferritin and sTfR, and insulin resistance and metabolic syndrome (MetS) in Korean children.
Methods
A cross-sectional study was conducted on 1350 children in Korea. Anthropometrical parameters; lipid profiles; levels of glucose, insulin, and leptin; and iron status indicators, including sTfR, serum ferritin, serum iron, total iron-binding capacity (TIBC), and transferrin saturation (TS), were analyzed.
Results
Although serum sTfR levels were significantly higher in boys than in girls (2.20 vs. 2.06 mg/L, p < 0.0001), serum iron and TS were higher in girls than in boys (101.38 vs. 95.77 mg/L, p = 0.027 and 30.15 vs. 28.91%, p = 0.04, respectively). Waist circumference (WC) and leptin were most significantly associated with body iron indicators when adjusted for age and sex. After adjusting for age, sex, and WC, sTfR levels showed the strongest positive association with leptin levels (p = 0.0001). Children in the highest tertile for homeostasis model assessment-insulin resistance (HOMA-IR) had higher TIBC (p = 0.0005) and lower serum iron (p = 0.0341), and the lowest TS (p < 0.0001) after adjustment for confounders. Children with higher sTfR were most significantly associated with risk of MetS compared with those lower sTfR (p = 0.0077).
Conclusion
The associations of serum levels of iron metabolism markers with leptin levels, HOMA-IR, and MetS suggest that iron-related factors may involve insulin resistance and MetS.

Citations

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