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Estimating the burden of nosocomial exposure to tuberculosis in South Korea, a nationwide population based cross-sectional study

Hyung Woo Kim ; Jun-pyo Myong ; Ju Sang Kim

The Korean journal of internal medicine, 2021-09, Vol.36 (5), p.1134-1145 [Periódico revisado por pares]

대한내과학회

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  • Título:
    Estimating the burden of nosocomial exposure to tuberculosis in South Korea, a nationwide population based cross-sectional study
  • Autor: Hyung Woo Kim ; Jun-pyo Myong ; Ju Sang Kim
  • Assuntos: Epidemiology ; Infectious disease transmission ; Korea ; Nosocomial infection ; Pulmonary tuberculosis
  • É parte de: The Korean journal of internal medicine, 2021-09, Vol.36 (5), p.1134-1145
  • Notas: The Korean Association Of Internal Medicine
  • Descrição: Background/Aims: The aim of the study was to investigate the current nationwide burden of nosocomial exposure to tuberculosis (TB) using national health insurance claims data. Methods: All patients who had claims for drug susceptibility testing for TB from 2012 to 2016, which indicated culture-proven TB, were included. The first day of the infectious period was defined as 3 months before a doctor’s suspicion of TB in patients with respiratory symptoms and 1 month before in patients without symptoms. The last day of the infectious period was defined as one day before the prescription of anti-TB medications. Patients hospitalized during infectious periods were investigated and their hospitalization days were calculated. Records of medical procedures which increased the risk of nosocomial transmission by generating aerosols were also investigated. Results: A total of 7,186 cases with 94,636 person-days of hospitalization with unrecognized active TB were found. Patients above 60 years of age accounted for 63.99% of the total number and 69.70% of the total duration of hospitalization. TB patients in the older age group showed a trend toward higher risks for hospitalization with unrecognized active TB. Patients in their 80s showed the highest risk (12.65%). Bronchoscopy (28.86%), nebulizer therapy (28.48%), and endotracheal intubation (13.02%) were common procedures performed in these patients during hospitalization. Conclusions: The burden of nosocomial exposure to TB in South Korea is still substantial. Hospitalization with unrecognized active TB, especially among the elderly TB patients could be a serious public health issue in South Korea.
  • Editor: 대한내과학회
  • Idioma: Coreano
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