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- Title
Life-threatening pulmonary coinfection with Mycobacterium tuberculosis and Aspergillus lentulus in a diabetic patient diagnosed by metagenome next-generation sequencing.
- Authors
Zhang, Hua; Liu, Guangming; He, Lin; Zhu, Yun; Tu, Haobo; Zhuang, Shifang
- Abstract
Background: China has a double burden of diabetes mellitus and tuberculosis. Diabetes mellitus and tuberculosis are both important risk factors for Aspergillus infection. Aspergillus lentulus is an emerging fungal pathogen in China and invasive aspergillosis due to A. lentulus is associated with high mortality. Case presentation: A 79-year-old man was admitted to our hospital, complaining of a 7-day history of fever. Five days before admission, he was diagnosed with pulmonary infection at a local hospital, but his symptoms did not relieve after antibiotic therapy. The patient was diagnosed with diabetes mellitus two months ago. About 20 days ago, he began to present chest tightness and shortness of breath after physical activity. After admission, he developed continuous fever and rapid respiratory deterioration, and finally died after his family abandoned treatment. Pulmonary coinfection with M. tuberculosis and A. lentulus was identified by metagenome next-generation sequencing (mNGS) from bronchoalveolar lavage fluid. Conclusions: Clinicians and laboratories should be alert to the emerging A. lentulus infection in China due to its drug-resistance and high mortality. In comparison with conventional methods, mNGS has a great advantage for the diagnosis of mixed pulmonary infection.
- Subjects
CHINA; MYCOBACTERIUM tuberculosis; PULMONARY aspergillosis; NUCLEOTIDE sequencing; PEOPLE with diabetes; MIXED infections; ASPERGILLUS
- Publication
BMC Infectious Diseases, 2023, Vol 23, Issue 1, p1
- ISSN
1471-2334
- Publication type
Article
- DOI
10.1186/s12879-023-08052-y