Abstract:
:This study examined the performance of a tuberculosis (TB)-specific enzyme-linked immunospot assay in 48 patients awaiting liver transplantation. They were tested with T-SPOT.TB, tuberculin skin test (TST), and lymphocyte transformation test (LTT) using tuberculin as a stimulus. A questionnaire was used to gain information on TB exposure. Four patients were defined as positive by T-SPOT.TB, 6 by TST, and 28 by LTT. The patients displaying positive results to T-SPOT.TB were also positive in the TST and LTT. We considered them to have latent TB because they were repeatedly (two or three times) positive to the T-SPOT.TB and reported TB exposure. Active TB was excluded by negative multislice computed tomography, negative culture, and absence of symptoms. In 1 patient, T-cell reactivity toward TB peptides was lost 1 and 2 months posttransplantation. Another patient, however, tested 8 and 13 months posttransplantation, displayed measurable cellular TB immune responses. This finding suggests that the measurement of cellular TB immune responses shortly after transplantation may fail. If possible, patients with end-stage liver disease should be screened for TB prior to transplantation. Our data are the first evidence that T-SPOT.TB may be useful to diagnose latent TB in patients awaiting liver transplantation.
journal_name
Hum Immunoljournal_title
Human immunologyauthors
Lindemann M,Dioury Y,Beckebaum S,Cicinnati VR,Gerken G,Broelsch CE,Wrighton-Smith P,Grosse-Wilde Hdoi
10.1016/j.humimm.2008.10.005subject
Has Abstractpub_date
2009-01-01 00:00:00pages
24-8issue
1eissn
0198-8859issn
1879-1166pii
S0198-8859(08)00499-0journal_volume
70pub_type
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