The Indian journal of tuberculosis · 2024
Screening hemodialysis patients for tuberculosis in Sudan.
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Elamin Sarra, Ibrahim Selma S, Ad El-Mahdi Hytham, Kailani Amel, Am Mohamednour Shaza, Na Mohamed Salma, Ma Osman Tagwa, Aa Abdulla Mohamed, Mm Babiker Sofyan, Mah Abubaker Hassan, Ao Suleiman May
Аннотация
OBJECTIVES: To estimate the prevalence of latent tuberculosis infection (LTBI) and the need for TB preventive treatment (TPT) among hemodialysis (HD) patients in Sudan.
METHODS: We screened patients in a single HD center by two-step tuberculin skin test (TST), symptom survey, physical examination and chest radiography (CXR).
RESULTS: The survey included 204 patients, five of whom (2.5%) had history of previously treated TB. The proportion of TST positive patients was 12.3% after the first test and increased to 21.1% after the second test. Patients previously treated for TB were more likely to have positive TST (80 vs 20.1%, p = 0.01). We screened 184 patients for TB disease; 16.3% were symptomatic, 15.8% had CXR abnormality and 6.5% were symptomatic with CXR abnormality. Additionally, 13.6% of patients had physical signs consistent with extra-pulmonary TB without symptoms or CXR abnormality. Based on these findings, high probability of pulmonary and extra-pulmonary TB was found in 38.6% and 13.6% of patients respectively and they were referred for bacteriological confirmation. We diagnosed LTBI and prescribed TPT to 9.2% of screened patients.
CONCLUSION: In this cohort of Sudanese HD patients, 21.1% were positive after two-step TST and 52.2% were considered to have high probability of TB disease.
METHODS: We screened patients in a single HD center by two-step tuberculin skin test (TST), symptom survey, physical examination and chest radiography (CXR).
RESULTS: The survey included 204 patients, five of whom (2.5%) had history of previously treated TB. The proportion of TST positive patients was 12.3% after the first test and increased to 21.1% after the second test. Patients previously treated for TB were more likely to have positive TST (80 vs 20.1%, p = 0.01). We screened 184 patients for TB disease; 16.3% were symptomatic, 15.8% had CXR abnormality and 6.5% were symptomatic with CXR abnormality. Additionally, 13.6% of patients had physical signs consistent with extra-pulmonary TB without symptoms or CXR abnormality. Based on these findings, high probability of pulmonary and extra-pulmonary TB was found in 38.6% and 13.6% of patients respectively and they were referred for bacteriological confirmation. We diagnosed LTBI and prescribed TPT to 9.2% of screened patients.
CONCLUSION: In this cohort of Sudanese HD patients, 21.1% were positive after two-step TST and 52.2% were considered to have high probability of TB disease.