Bibliographic Details
| Title: |
Indeterminate Result of Interferon‐γ Release Assay—A Risk Factor of Mortality for COVID‐19 and Non‐COVID‐19 Respiratory Infections. |
| Authors: |
Tian, Wenmin, Han, Zhongyu, Shi, Dongxue, Wang, Hongli, Tang, Haohao, Wu, Zhenchao, Zhang, Yinmei, Cui, Liyan, Shen, Ning, Zheng, Jiajia, Chen, Yang |
| Source: |
Journal of Medical Virology; Nov2024, Vol. 96 Issue 11, p1-11, 11p |
| Subject Terms: |
MORTALITY risk factors, OLDER patients, RESPIRATORY infections, DEATH rate, BLOOD serum analysis |
| Abstract: |
Toward the end of 2022, the cessation of China's "dynamic zero‐COVID policy" had led to a notable outbreak of SARS‐CoV‐2 infections and a substantial number of severe cases and deaths were reported, which raised serious concerns. Concurrently, our study identified a significant increase in the incidence of indeterminate results from the Interferon‐γ Release Assay (IGRA) among hospitalized patients during this period. Peripheral T cells from these individuals were unable to produce measurable levels of IFN‐γ upon stimulation with the PHA mitogen. This indeterminate IGRA results emerged as a potential risk factor for increased mortality among severely affected elderly COVID‐19 patients, contributing to an understanding of the observed excess mortality. The deep serum proteomic analysis elucidated a dysfunctional immune response and defect in cardiac function of those patients. A predictive panel including IGRA results significantly enhanced the accuracy of predicting mortality outcomes in COVID‐19 cases (AUC = 0.9762). We also extended the relevance of indeterminate IGRA outcomes as a risk factor for mortality to elderly non‐COVID‐19 respiratory infections, providing valuable prognostic insights into this type of disease and informing targeted and effective therapeutic interventions for similar outbreaks in the future. [ABSTRACT FROM AUTHOR] |
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| Database: |
Complementary Index |
