Prediction of exacerbation frequency of AECOPD based on next-generation sequencing and its relationship with imbalance of lung and gut microbiota: a protocol of a prospective cohort study.
BMJ Open
; 11(9): e047202, 2021 09 02.
Article
en En
| MEDLINE
| ID: mdl-34475159
ABSTRACT
INTRODUCTION:
Patients with frequent acute exacerbation phenotype chronic obstructive pulmonary disease (AECOPD) have a higher hospitalisation rate than infrequent exacerbation, the disease progresses quickly and treatment is more difficult. At present, it is impossible to predict patients with COPD with frequent acute exacerbation phenotypes. The composition of the lower respiratory tract flora and the intestinal flora is closely related to AECOPD, but the specific association mechanism between them is not very clear. This study used metagenomic next-generation sequencing (mNGS) technology to explore the microbial characteristics of the intestinal tract and airways of patients with COPD, and analyse the correlation between the sequencing results and inflammatory factors, immune factors and nutritional factors. METHODS ANDANALYSIS:
This will be a prospective cohort study. We intend to recruit 152 patients with stable COPD. In the baseline, we will detect the participants' induced sputum and faecal flora through mNGS, and changes in blood immune levels, and the patient's condition is evaluated. Every 2 months, we will check the number of acute exacerbation through the phone range. After 12 months, we will check again the changes in the blood immune level, evaluate the patient's condition and count the number of episodes. ETHICS AND DISSEMINATION This study has been approved by the ethics committee of Guangdong Provincial Hospital of Traditional Chinese Medicine (approval number ZF2019-219-03). The results of the study will be published in peer-reviewed journals. TRIAL REGISTRATION NUMBER ClinicalTrials.gov Registry (ChiCTR2000032870).Palabras clave
Texto completo:
1
Colección:
01-internacional
Base de datos:
MEDLINE
Asunto principal:
Enfermedad Pulmonar Obstructiva Crónica
/
Microbioma Gastrointestinal
Tipo de estudio:
Etiology_studies
/
Observational_studies
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Prognostic_studies
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Risk_factors_studies
Aspecto:
Ethics
Límite:
Humans
Idioma:
En
Revista:
BMJ Open
Año:
2021
Tipo del documento:
Article
País de afiliación:
China