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KMID : 0191120220370200164
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Journal of Korean Medical Science
2022 Volume.37 No. 20 p.164 ~ p.164
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Latent Tuberculosis Cascade of Care Among Healthcare Workers: A Nationwide Cohort Analysis in Korea Between 2017 and 2018
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Min Jin-Soo
Kim Hyung-Woo
Choi Joon-Young
Shin Ah-Young
Kang Ji-Young
Lee Yun-Hee
Myong Jun-Pyo
Jeong Hyun-Suk
Bae Sang-Hyuk
Koo Hyeon-Kyoung
Lee Sung-Soon
Park Jae-Seuk
Yim Hyeon-Woo
Kim Ju-Sang
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Abstract
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Background: In 2017, Korea implemented nationwide latent tuberculosis infection (LTBI) project targeting healthcare workers (HCWs). We aimed to assess its performance using the cascade of care model.
Methods: We included 45,503 employees of medical institutions with positive interferon-gamma release assay result who participated between March 2017 and December 2018. We described percentages of LTBI participants completing each step in the cascade of care. Poisson regression model was conducted to assess individual characteristics and factors associated with not-visiting clinics for further care, not-initiating LTBI treatment, and not-completing treatment.
Results: Proportions of visiting clinics and initiating and completing treatment in HCWs were 54.9%, 38.5%, and 32.0%, respectively. Despite of less likelihood of visiting clinics and initiating LTBI treatment, older age ≥ 65 years were more likely to complete treatment (adjusted relative risk [aRR], 0.80; 95% confidence interval [CI], 0.64?0.99), compared to young age < 35 years. Compared to nurses, doctors were less likely to visit clinic; however, were more likely to initiate treatment (aRR, 0.88; 95% CI, 0.81?0.96). Those who visited public health centers were associated with not-initiating treatment (aRR, 1.34; 95% CI, 1.29?1.40). When treated at private hospitals, 9-month isoniazid monotherapy was less likely to complete treatment, compared to 3-month isoniazid and rifampicin combination therapy (aRR, 1.33; 95% CI, 1.16?1.53).
Conclusion: Among employees of medical institutions with LTBI, only one third completed treatment. Age, occupation, treatment center, and initial regimen were significantly related to LTBI treatment performance indicators. Rifampicin-based short treatment regimens were effective under standard of care.
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KEYWORD
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Latent TB, Preventive Therapy, Quality Control, Doctor, Nurse
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