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Updated: Apr 27, 2026

A Tuberculosis Molecular Bacterial Load Assay TB-MBLA
Published on: April 30, 2020
Tuberculosis screening in a dialysis unit: detecting latent tuberculosis infection is only half the problem
S O Brij1, S C Beck1, F Kleemann1
1Peterborough & Stamford Hospitals NHS Foundation Trust, Peterborough City Hospital, Peterborough, UK.
Abstract:
Patients with chronic kidney disease are at increased risk of tuberculosis. We describe the events that occurred when we encountered a patient receiving haemodialysis with pulmonary tuberculosis. Nine (of 41) patients dialysing at the same time as the index case had a positive interferon-gamma release assay (IGRA) and were offered therapy for latent tuberculosis infection (LTBI). Patients with an initial negative IGRA were rescreened at six months, identifying a further three IGRA-positive patients. All patients were then rescreened at 12 months. No new IGRA-positive cases were identified and no staff or patients developed active disease. Only five of the 12 IGRA-positive patients completed LTBI therapy.
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