1. Clinical findings of Talaromyces marneffei infection among patients with anti-interferon-γ immunodeficiency: a prospective cohort study.
- Author
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Chen, Zhao-Ming, Li, Zheng-Tu, Li, Shao-Qiang, Guan, Wei-Jie, Qiu, Ye, Lei, Zi-Ying, Zhan, Yang-Qing, Zhou, Hua, Lin, Sheng, Wang, Xinni, Li, Zhun, Yang, Feng, Zeng, Wen, Lin, Ye, Liu, Jing, Zhang, Jian-Quan, and Ye, Feng
- Subjects
TALAROMYCES ,BLOOD sedimentation ,COHORT analysis ,C-reactive protein ,LONGITUDINAL method ,INFECTION - Abstract
Background: Talaromyces marneffei (T. marneffei) infection has been associated with adult-onset immunodeficiency due to anti-IFN-γ autoantibodies. We aimed to investigate the clinical features of non-HIV-infected patients with T. marneffei infection in southern China.Methods: Between January 2018 and September 2020, we enrolled patients with T. marneffei infection who were HIV-negative (group TM, n = 42), including anti-IFN-γ autoantibody-positive (group TMP, n = 22) and anti-IFN-γ autoantibody-negative (group TMN, n = 20) patients and healthy controls (group HC, n = 40). Anti-IFN-γ autoantibodies were detected by ELISA. Clinical characteristics and clinical laboratory parameters were recorded.Results: Compared with anti-IFN-γ autoantibody-negative patients with T. marneffei infection, anti-IFN-γ autoantibody-positive patients did not have underlying respiratory disease; more frequently exhibited dissemination of systemic infections with severe pleural effusion; had higher WBC counts, C-reactive protein levels, erythrocyte sedimentation rates, and neutrophil and CD8+ T cell counts; had lower hemoglobin levels; and were more likely to have other intracellular pathogen infections. Most of these patients had poor outcomes despite standardized antimicrobial therapy.Conclusion: T. marneffei-infected patients with higher anti-IFN-γ autoantibody titers have more severe disease and complex clinical conditions. [ABSTRACT FROM AUTHOR]- Published
- 2021
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