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Association between the Use of Inhaled Corticosteroids and Pulmonary Nontuberculous Mycobacterial Infection: A Systematic Review

[ Vol. 16 , Issue. 2 ]

Author(s):

Mahnaz Mozdourian and Rozita Khodashahi*   Pages 113 - 122 ( 10 )

Abstract:


The incidence of nontuberculous mycobacterial (NTM) pulmonary disease has increased in recent years. It seems that patients with structural lung diseases treated with inhaled corticosteroids (ICS) are at risk of pulmonary NTM infection. This systematic review investigated the articles focused on the association between the use of ICS and pulmonary NTM infection. The current study assessed four categories, namely the association between the use of ICS therapy and NTM infections, bacterial factors involved in the incidence of NTM infection in patients undergoing ICS therapy, the relationship between dosage and long-term use of ICS therapy in the incidence of NTM infection, and main risk factors of the incidence of NTM infection in patients undergoing ICS therapy. Based on the obtained results of the present study, there was an association between the use of ICS therapy and NTM infections. It seems that ICS increases the risk of NTM infection by 1.8 to 8 times. Accordingly, 40-90% of patients with NTM had a history of ICS usage. Mycobacterium avium complex was the most common bacterial factor in NTM patients undergoing ICS therapy. The relationship between a higher dosage of ICS therapy and an increased risk of NTM was confirmed in the majority of the studies. Age, gender, smoking history, and underlying diseases are the main risk factors for the incidence of NTM in patients receiving ICS therapy.

Keywords:

Asthma, inhaled corticosteroids use, mycobacterium avium complex, mycobacterium infections, nontuberculous, therapeutic strategy.

Affiliation:

Department of Lung Diseases Research Center, Mashhad University of Medical Sciences, Mashhad, Department of Infectious Diseases and Tropical Medicine, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad

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