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  • Title: Incidence rate of active tuberculosis in solid organ transplant recipients: Data from a nationwide population cohort in a high-endemic country.
    Author: Kwon DE, Han SH, Han KD, La Y, Lee KH.
    Journal: Transpl Infect Dis; 2021 Dec; 23(6):e13729. PubMed ID: 34505751.
    Abstract:
    BACKGROUND: The management of active tuberculosis (TB) in solid organ transplantation (SOT) recipients is challenging given the pharmacological interaction and the potential delays in diagnosis due to atypical presentation. The incidence rates (IRs) of post-SOT TB from the whole recipients' cohort in a high-endemic country have not been evaluated. METHODS: We established a SOT cohort (n = 15 598) and confirmed cases of TB between 2011 and 2015 from the Korean National Health Insurance Database using ICD-10 codes. After excluding 1302 and 180 SOT-recipients due to age (<18 years) and presence of pre-SOT TB and/or treatment for latent TB during wash-out period between 2006 and cohort entry, we analyzed 14 116 SOT recipients and 70 580 individuals with no history of SOT matched by age and sex. The hazard ratios (HRs) of IRs were adjusted for age, sex, low-income status, diabetes mellitus, chronic co-morbidities, and anti-TNF-α therapy. RESULTS: The IR of TB was significantly higher (adjusted HR [aHR]: 6.1, 95% confidence interval [CI]: 4.5-7.6) in SOT recipients (4.9/1000 person-years) than in non-SOT individuals (0.8/1000 person-years). Of the transplanted organs, the pancreas (pancreas alone and simultaneous pancreas-kidney) and lung had the highest IR (aHR: 16.3 [6.1-42.2] and 16.1 [5.9-43.8], respectively). The use of anti-thymocyte globulin and azathioprine was associated with a higher IR (aHR: 1.53 [1.01-2.43] and 3.92 [1.21-12.47], respectively), but basiliximab was associated with a lower IR (aHR: 0.67 [0.48-0.98]). CONCLUSION: The IR of TB in SOT recipients, especially in the pancreas and lung, was significantly higher than that in the non-SOT population.
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