Sputum pathogen spectrum and clinical outcomes of upper respiratory tract infection in bronchiectasis exacerbation : a prospective cohort study
Upper respiratory tract infection (URTI) is common in humans. We sought to profile sputum pathogen spectrum and impact of URTI on acute exacerbation of bronchiectasis (AE). Between March 2017 and December 2021, we prospectively collected sputum from adults with bronchiectasis. We stratified AEs into events related (URTI-AE) and unrelated to URTI (non-URTI-AE). We captured URTI without onset of AE (URTI-non-AE). We did bacterial culture and viral detection with polymerase chain reaction, and explored the pathogen spectrum and clinical impacts of URTI-AE via longitudinal follow-up. Finally, we collected 479 non-AE samples (113 collected at URTI-non-AE and 225 collected at clinically stable) and 170 AE samples (89 collected at URTI-AE and 81 collect at non-URTI-AE). The viral detection rate was significantly higher in URTI-AE (46.1%) than in non-URTI-AE (4.9%) and URTI-non-AE (11.5%) (both P < 0.01). Rhinovirus [odds ratio (OR): 5.00, 95% confidence interval (95%CI): 1.06-23.56, P = 0.03] detection was independently associated with URTI-AE compared with non-URTI-AE. URTI-AE tended to yield higher viral load and detection rate of rhinovirus, metapneumovirus and bacterial shifting compared with URTI-non-AE. URTI-AE was associated with higher initial viral loads (esp. rhinovirus, metapneumovirus), greater symptom burden (higher scores of three validated questionnaires) and prolonged recovery compared to those without. Having experienced URTI-AE predicted a greater risk of future URTI-AE (OR: 10.90, 95%CI: 3.60-33.05). In summary, URTI is associated with a distinct pathogen spectrum and aggravates bronchiectasis exacerbation, providing the scientific rationale for the prevention of URTI to hinder bronchiectasis progression.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2023 |
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| Erschienen: |
2023 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:12 |
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| Enthalten in: |
Emerging microbes & infections - 12(2023), 1 vom: 21. Dez., Seite 2202277 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Huang, Yan [VerfasserIn] |
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| Links: |
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| Themen: |
Bronchiectasis |
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| Anmerkungen: |
Date Completed 10.05.2023 Date Revised 11.05.2023 published: Print Citation Status MEDLINE |
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| doi: |
10.1080/22221751.2023.2202277 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
NLM355428776 |
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| 245 | 1 | 0 | |a Sputum pathogen spectrum and clinical outcomes of upper respiratory tract infection in bronchiectasis exacerbation |b a prospective cohort study |
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| 520 | |a Upper respiratory tract infection (URTI) is common in humans. We sought to profile sputum pathogen spectrum and impact of URTI on acute exacerbation of bronchiectasis (AE). Between March 2017 and December 2021, we prospectively collected sputum from adults with bronchiectasis. We stratified AEs into events related (URTI-AE) and unrelated to URTI (non-URTI-AE). We captured URTI without onset of AE (URTI-non-AE). We did bacterial culture and viral detection with polymerase chain reaction, and explored the pathogen spectrum and clinical impacts of URTI-AE via longitudinal follow-up. Finally, we collected 479 non-AE samples (113 collected at URTI-non-AE and 225 collected at clinically stable) and 170 AE samples (89 collected at URTI-AE and 81 collect at non-URTI-AE). The viral detection rate was significantly higher in URTI-AE (46.1%) than in non-URTI-AE (4.9%) and URTI-non-AE (11.5%) (both P < 0.01). Rhinovirus [odds ratio (OR): 5.00, 95% confidence interval (95%CI): 1.06-23.56, P = 0.03] detection was independently associated with URTI-AE compared with non-URTI-AE. URTI-AE tended to yield higher viral load and detection rate of rhinovirus, metapneumovirus and bacterial shifting compared with URTI-non-AE. URTI-AE was associated with higher initial viral loads (esp. rhinovirus, metapneumovirus), greater symptom burden (higher scores of three validated questionnaires) and prolonged recovery compared to those without. Having experienced URTI-AE predicted a greater risk of future URTI-AE (OR: 10.90, 95%CI: 3.60-33.05). In summary, URTI is associated with a distinct pathogen spectrum and aggravates bronchiectasis exacerbation, providing the scientific rationale for the prevention of URTI to hinder bronchiectasis progression | ||
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a Upper respiratory tract infections | |
| 650 | 4 | |a bronchiectasis | |
| 650 | 4 | |a exacerbation | |
| 650 | 4 | |a symptom burden | |
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| 700 | 1 | |a Cen, Lai-Jian |e verfasserin |4 aut | |
| 700 | 1 | |a Li, Hui-Min |e verfasserin |4 aut | |
| 700 | 1 | |a Lin, Zhen-Hong |e verfasserin |4 aut | |
| 700 | 1 | |a Zhu, Si-Yu |e verfasserin |4 aut | |
| 700 | 1 | |a Duan, Chong-Yang |e verfasserin |4 aut | |
| 700 | 1 | |a Zhang, Ri-Lan |e verfasserin |4 aut | |
| 700 | 1 | |a Pan, Cui-Xia |e verfasserin |4 aut | |
| 700 | 1 | |a Zhang, Xiao-Fen |e verfasserin |4 aut | |
| 700 | 1 | |a Zhang, Xiao-Xian |e verfasserin |4 aut | |
| 700 | 1 | |a He, Zhen-Feng |e verfasserin |4 aut | |
| 700 | 1 | |a Shi, Ming-Xin |e verfasserin |4 aut | |
| 700 | 1 | |a Zhong, Nan-Shan |e verfasserin |4 aut | |
| 700 | 1 | |a Guan, Wei-Jie |e verfasserin |4 aut | |
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