Diagnosis and insight into the unique lung microbiota of pediatric pulmonary tuberculosis patients by bronchoalveolar lavage using metagenomic next-generation sequencing
2024

Lung Microbiota in Pediatric Tuberculosis Patients

Sample size: 64 publication 10 minutes Evidence: moderate

Author Information

Author(s): Zhou Haiyi, Pei Yi, Xie Qifang, Nie Wenjie, Liu Xiaoyan, Xia Han, Jiang Jie

Primary Institution: The Affiliated Changsha Central Hospital, University of South China

Hypothesis

What is the diagnostic value of metagenomic next-generation sequencing (mNGS) in identifying lung microbiota in pediatric pulmonary tuberculosis patients?

Conclusion

Metagenomic next-generation sequencing (mNGS) is valuable for diagnosing pediatric pulmonary tuberculosis and reveals unique characteristics of the lung microbiota.

Supporting Evidence

  • mNGS showed a sensitivity of 46.51% for diagnosing pediatric PTB.
  • Combining mNGS with TB-PCR improved diagnostic efficacy with an AUC of 0.8140.
  • Unique bacterial compositions were identified in BALF samples from PTB patients compared to pneumonia patients.

Takeaway

This study looked at kids with tuberculosis and found that a special test called mNGS can help doctors understand the germs in their lungs better.

Methodology

The study involved collecting bronchoalveolar lavage fluid samples from 64 pediatric patients and analyzing them using metagenomic next-generation sequencing.

Potential Biases

Potential contamination of BALF by oral flora could not be completely avoided.

Limitations

The study had a small sample size and did not differentiate between training and test sets, which may limit the generalizability of the findings.

Participant Demographics

Participants included 43 pediatric PTB patients (25 males, 18 females) and 21 pneumonia patients (16 males, 5 females).

Statistical Information

P-Value

p<0.05

Statistical Significance

p<0.0001

Digital Object Identifier (DOI)

10.3389/fcimb.2024.1492881

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