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Immune reconstitution inflammatory syndrome in the lung in non-human immunodeficiency virus patients
1Department of Infectious Diseases, Respiratory, and Digestive Medicine, Graduate School of Medicine, University of the Ryukyus, Okinawa, 903-0215, Japan.
Background:
We evaluated immune reconstitution inflammatory syndrome (IRIS) in the lung in non-human immunodeficiency virus (HIV) patients.
Methods:
We reviewed articles related to IRIS occurrence in the lung in non-HIV patients using a PubMed search. The keywords used for the search were "immune reconstitution syndrome" and "non-HIV." Only patients with lung involvement were included. Those with suggested IRIS caused by white blood cell recovery were excluded.
Results:
There were 37 cases of IRIS in the lung in non-HIV patients. Complicating infections included tuberculosis (n = 17), histoplasmosis (n = 9), aspergillosis (n = 5), cryptococcosis (n = 4), and Pneumocystis pneumonia (n = 2). We also evaluated the underlying diseases, IRIS pathogenesis, management, and prognosis. IRIS was most commonly encountered in patients treated with anti-tumor necrosis factor (TNF) antibody who developed disseminated or extrapulmonary tuberculosis, leading to treatment discontinuation.
Conclusions:
The diagnosis and management of IRIS in the lung in non-HIV patients should be investigated further, especially in the era of anti-TNF treatment.
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