Gastric Aspirate Isolate Demonstrates Strain-Level Concordance with Sputum Isolate in Nontuberculous Mycobacterial Pulmonary Disease
Atsushi Funauchi·Hiroshi Kida·Kiyoharu Fukushima·Yuki Matsumoto·Nanako Hamada·Reina Hara·Takayuki Niitsu·Takuro Nii·Takanori Matsuki·Kazuyuki Tsujino·Keisuke Miki·Atsushi Kumanogoh·Shota Nakamura·Kazuki Hashimoto
Abstract The nontuberculous mycobacteria (NTM) isolated from gastric aspirate have demonstrated >85% strain concordance with those from the sputum, suggesting that they originate from the lungs rather than the environment. Gastric aspirate, although not yet internationally recognized, may be a useful supplementary specimen for diagnosing NTM pulmonary disease.
