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Predictors for False-Negative Interferon-Gamma Release Assay Results in Hemodialysis Patients with Latent Tuberculosis Infection

The present study aimed to clinically evaluate the effect of T-cell dysfunction in hemodialysis (HD) patients with latent tuberculosis (TB) infection (LTBI) who were false-negatives in the QuantiFERON-TB Gold In-Tube (QFT-GIT) test. Whole blood samples from a total of 20 active TB patients, 83 HD pa...

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Autores principales: Park, Heechul, Kang, Yun-Jeong, Kim, Ye Na, Park, Sung-Bae, Lim, Jaewon, Park, Ji Young, Kang, Young Ae, Lee, Hyejon, Kim, Jungho, Kim, Sunghyun
Formato: Online Artículo Texto
Lenguaje:English
Publicado: MDPI 2022
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9818154/
https://www.ncbi.nlm.nih.gov/pubmed/36611380
http://dx.doi.org/10.3390/diagnostics13010088
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author Park, Heechul
Kang, Yun-Jeong
Kim, Ye Na
Park, Sung-Bae
Lim, Jaewon
Park, Ji Young
Kang, Young Ae
Lee, Hyejon
Kim, Jungho
Kim, Sunghyun
author_facet Park, Heechul
Kang, Yun-Jeong
Kim, Ye Na
Park, Sung-Bae
Lim, Jaewon
Park, Ji Young
Kang, Young Ae
Lee, Hyejon
Kim, Jungho
Kim, Sunghyun
author_sort Park, Heechul
collection PubMed
description The present study aimed to clinically evaluate the effect of T-cell dysfunction in hemodialysis (HD) patients with latent tuberculosis (TB) infection (LTBI) who were false-negatives in the QuantiFERON-TB Gold In-Tube (QFT-GIT) test. Whole blood samples from a total of 20 active TB patients, 83 HD patients, and 52 healthy individuals were collected, and the QFT-GIT test was used for measuring Mycobacterium tuberculosis (MTB)-specific interferon gamma (IFN-γ) level. The positive rate of the IFN-γ release assays (IGRAs) in HD patients was lower than the negative rate. The mean value of MTB-specific IFN-γ level, which determines the positive rate of the IGRA test, was highest in active TB, followed by HD patients and healthy individuals. Among HD patients, phytohemagglutinin A (PHA)-stimulated IFN-γ levels of approximately 40% were 10.00 IU/mL or less. However, there was no low level of PHA-stimulated IFN-γ in the healthy individuals. This reveals that T-cell function in HD patients was reduced compared to healthy individuals, which leads to the possibility that QFT-GIT results in HD patients are false-negative. The clinical manifestations of TB in patients on HD are quite non-specific, making timely diagnosis difficult and delaying the initiation of curative treatment, delay being a major determinant of outcome.
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spelling pubmed-98181542023-01-07 Predictors for False-Negative Interferon-Gamma Release Assay Results in Hemodialysis Patients with Latent Tuberculosis Infection Park, Heechul Kang, Yun-Jeong Kim, Ye Na Park, Sung-Bae Lim, Jaewon Park, Ji Young Kang, Young Ae Lee, Hyejon Kim, Jungho Kim, Sunghyun Diagnostics (Basel) Article The present study aimed to clinically evaluate the effect of T-cell dysfunction in hemodialysis (HD) patients with latent tuberculosis (TB) infection (LTBI) who were false-negatives in the QuantiFERON-TB Gold In-Tube (QFT-GIT) test. Whole blood samples from a total of 20 active TB patients, 83 HD patients, and 52 healthy individuals were collected, and the QFT-GIT test was used for measuring Mycobacterium tuberculosis (MTB)-specific interferon gamma (IFN-γ) level. The positive rate of the IFN-γ release assays (IGRAs) in HD patients was lower than the negative rate. The mean value of MTB-specific IFN-γ level, which determines the positive rate of the IGRA test, was highest in active TB, followed by HD patients and healthy individuals. Among HD patients, phytohemagglutinin A (PHA)-stimulated IFN-γ levels of approximately 40% were 10.00 IU/mL or less. However, there was no low level of PHA-stimulated IFN-γ in the healthy individuals. This reveals that T-cell function in HD patients was reduced compared to healthy individuals, which leads to the possibility that QFT-GIT results in HD patients are false-negative. The clinical manifestations of TB in patients on HD are quite non-specific, making timely diagnosis difficult and delaying the initiation of curative treatment, delay being a major determinant of outcome. MDPI 2022-12-28 /pmc/articles/PMC9818154/ /pubmed/36611380 http://dx.doi.org/10.3390/diagnostics13010088 Text en © 2022 by the authors. https://creativecommons.org/licenses/by/4.0/Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).
spellingShingle Article
Park, Heechul
Kang, Yun-Jeong
Kim, Ye Na
Park, Sung-Bae
Lim, Jaewon
Park, Ji Young
Kang, Young Ae
Lee, Hyejon
Kim, Jungho
Kim, Sunghyun
Predictors for False-Negative Interferon-Gamma Release Assay Results in Hemodialysis Patients with Latent Tuberculosis Infection
title Predictors for False-Negative Interferon-Gamma Release Assay Results in Hemodialysis Patients with Latent Tuberculosis Infection
title_full Predictors for False-Negative Interferon-Gamma Release Assay Results in Hemodialysis Patients with Latent Tuberculosis Infection
title_fullStr Predictors for False-Negative Interferon-Gamma Release Assay Results in Hemodialysis Patients with Latent Tuberculosis Infection
title_full_unstemmed Predictors for False-Negative Interferon-Gamma Release Assay Results in Hemodialysis Patients with Latent Tuberculosis Infection
title_short Predictors for False-Negative Interferon-Gamma Release Assay Results in Hemodialysis Patients with Latent Tuberculosis Infection
title_sort predictors for false-negative interferon-gamma release assay results in hemodialysis patients with latent tuberculosis infection
topic Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9818154/
https://www.ncbi.nlm.nih.gov/pubmed/36611380
http://dx.doi.org/10.3390/diagnostics13010088
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