Referral and treatment outcomes of tuberculosis patients who crossed the border from Japan to the philippines

Ohkado, Akihiro; Querri, A.; Shimamura, Tamae; Ota, Masaki; Garfin, Anna Marie Celina

doi:10.4103/ijmy.ijmy_49_19

Cited by 3 publications

(2 citation statements)

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“…Consequently, the difference in the mortality rates between Koreans and immigrants may disappear, as shown in our study. Accordingly, our findings provide some support for international recommendations regarding managing latent TB in migrants and linking them to the TB care system [ 23 – 25 ].…”

Section: Discussionsupporting

confidence: 70%

A Quasi-experimental Study on the Effect of Pre-entry Tuberculosis Screening for Immigrants on Treatment Outcomes in South Korea: A Difference-in-Differences Analysis

Yu,

Jeong,

Kang

et al. 2024

J Epidemiol Glob Health

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Objective This study ascertains the effects of the pre-entry tuberculosis (TB) screening policy, which was implemented as a strategy for managing TB among immigrants, on the treatment outcomes of immigrants in South Korea. Methods This study linked three different datasets from 2013 to 2018, namely (1) Korean National Tuberculosis Surveillance System; (2) National Health Information Database for patients diagnosed with TB with ICD code A15-A19, B90, or U84.3; and (3) Statistics Korea database related to cause of deaths. To identify the effect of the policy, cohorts comprising Korean and immigrant TB patients notified before (January 1, 2013–December 31, 2015) and after (September 1, 2016–December 31, 2018), the implementations of the policy were established. A difference-in-differences (DID) analysis of the treatment success and mortality rates was performed. Results Data from 100,262 TB patients were included in the analysis (before policy implementation: 1240 immigrants and 65,723 Koreans; after policy implementation: 256 immigrants and 33,043 Koreans). The propensity score matching-DID analysis results showed that the difference in the treatment success rate between immigrants and Koreans decreased significantly, from 16% before to 6% after the policy implementation. The difference in the mortality rate between the two groups decreased from − 3% before to − 1% after the policy implementation; however, this difference was insignificant. Conclusion The treatment outcomes of immigrant TB patients in South Korea improved after the implementation of the pre-entry active TB screening policy. Future immigrant TB policies should consider establishing active patient support strategies and a healthcare collaboration system between countries.

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Section: Discussionsupporting

confidence: 70%

A Quasi-experimental Study on the Effect of Pre-entry Tuberculosis Screening for Immigrants on Treatment Outcomes in South Korea: A Difference-in-Differences Analysis

Yu,

Jeong,

Kang

et al. 2024

J Epidemiol Glob Health

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“…As mentioned earlier, under JTBS, the "transfer out" includes both transfer within Japan and outside of Japan. A previous study specifically examining the "transfer out" cases in Japan indicated that compared with the Japan-born patients, the proportion of "international transfer-out" was considerably higher among overseas-born patients [11], implying a higher risk of treatment interruption [26], and potentially also of developing and spreading MDR-TB [32,33]. Globally, crossing international borders during TB treatment has been reported to pose a serious threat to the continuation and completion of TB treatment [34].…”

Section: Discussionmentioning

confidence: 99%

Characteristics and Treatment Outcomes among Migrants with Pulmonary Tuberculosis: A Retrospective Cohort Study in Japan, 2009–2018

Lee

Aung

Kawatsu

et al. 2022

IJERPH

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This study aimed to describe characteristics and treatment outcomes of overseas-born pulmonary tuberculosis (PTB) patients in Japan, and identify the factors associated with “treatment non-success”. We conducted a retrospective analysis of overseas-born patients with drug-susceptible PTB using cohort data of PTB cases newly registered in the Japan tuberculosis (TB) surveillance system between 2009 and 2018. Overall, 9151 overseas-born PTB cases were included in this study, and 70.3% were aged 34 years old or younger. “Students of high school and higher” (28.6%) and “regular workers other than service related sectors” (28.5%) accounted for over half of the study population, and they have continued to increase. Overall, the treatment success rate was 67.1%. Transferred-out constituted the largest proportion (14.8%) among the treatment non-success rate (32.9%). Multiple logistic regression analysis revealed patients whose health insurance type was “others and unknown”, including the uninsured (adjusted OR (AOR) = 3.43: 95% Confidence Intervals (CI) 2.57–4.58), those diagnosed as TB within “one year” (AOR = 2.61, 95% CI 1.97–3.46) and “1–5 years” (AOR = 2.44, 95% CI 1.88–3.17) of arrival in Japan, and males (AOR = 1.34, 95% CI 1.16–1.54), which were the main factors associated with treatment non-success. These findings imply that Japan needs to develop TB control activities considering the increasing trends of overseas-born PTB patients, the majority of whom are young and highly mobile. There is a need to pay greater attention to overseas-born PTB patients diagnosed within a short duration after entering Japan, who may be socially and economically disadvantaged for their treatment completion.

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Ensuring continuous TB treatment across Asian borders

Ohkado,

Lee,

Yoshie

et al. 2024

public health action

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<sec><title>BACKGROUND</title>Mid-treatment cross-border migration of patients with TB increases the risk of treatment interruption.</sec><sec><title>OBJECTIVE</title>To establish a cross-border referral process for patients with TB in Japan, and enhance their access to health facilities and treatment outcomes.</sec><sec><title>DESIGN</title>This prospective cohort study describes and assesses the process of foreign-born patients with TB who returned to their home countries during treatment, focusing on their access to healthcare facilities and treatment outcomes.</sec><sec><title>RESULTS</title>We enrolled 135 foreign-born patients with TB, and confirmed that 112 (83.0%) were referred to and accessed healthcare facilities after returning to their home countries. Of 102 patients due to complete treatment as of July 2023, 87 (85.3%) completed their treatment. We did not identify significant differences in the treatment success rate among patient characteristics, except between the patients with confirmed access to a healthcare facility and those without (P < 0.001). We confirmed that 49/87 (56.3%) patients had completed treatment with official data.</sec><sec><title>CONCLUSION</title>The access and treatment success rates of the cross-bordered patients with TB from Japan were >80%; however, we should further improve this proportion by confirming the treatment outcomes with official data.</sec>

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Referral and treatment outcomes of tuberculosis patients who crossed the border from Japan to the philippines

Cited by 3 publications

References 0 publications

A Quasi-experimental Study on the Effect of Pre-entry Tuberculosis Screening for Immigrants on Treatment Outcomes in South Korea: A Difference-in-Differences Analysis

A Quasi-experimental Study on the Effect of Pre-entry Tuberculosis Screening for Immigrants on Treatment Outcomes in South Korea: A Difference-in-Differences Analysis

Characteristics and Treatment Outcomes among Migrants with Pulmonary Tuberculosis: A Retrospective Cohort Study in Japan, 2009–2018

Ensuring continuous TB treatment across Asian borders

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