Background: Treatment data for latent tuberculosis infection (LTBI) among potential living kidney donors are scarce.
Methods: This retrospective study was performed to evaluate the prevalence of positive QuantiFERON-TB Gold In-Tube (QFT-GIT) among potential living kidney donors that were screened from 2009 to 2017. We investigated if there was any difference in the time to donation between QFT-GIT-positive and QFT-GIT-negative donors. We assessed the regimens used to treat LTBI and whether the recipients of QFT-GIT-positive donors developed active tuberculosis (TB).
Results: Forty out of 427 (9%) potential living kidney donors had a positive QFT-GIT. QFT-GIT-positive donors were as likely as negative donors to undergo donation (30 [75%] vs 315 [81%], P = .33). The time from QFT-GIT testing to donation was longer among QFT-GIT-positive donors (median 221 days [range: 4-1139] vs 86 days [range: 3-1887], P = .001). Twelve-week rifapentine (RPT)/Isoniazid (INH) was the most common treatment used and was not associated with significant adverse reactions. There was a trend toward longer time to donation among QFT-GIT-positive donors who were treated for LTBI compared with QFT-GIT-positive donors who were not (252 days [range: 88-1139] vs 95 days [range: 4-802], P = .05). Twenty-nine recipients of QFT-GIT-positive living kidney donors were evaluated. Eleven of these recipients received kidneys from donors that were not treated for LTBI. Two of these recipients were treated with INH post-transplantation.
Conclusions: The time from QFT-GIT testing to donation was longer among QFT-GIT-positive donors. The short-course regimens appear to be excellent options for LTBI treatment among living kidney donors and avoid delaying organ donation further.
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