The role of eosinophils in sepsis and acute respiratory distress syndrome : a scoping review
PURPOSE: Septic shock and acute respiratory distress syndrome (ARDS) are characterized by a dysregulated immune host response that may respond to steroid therapy. Eosinophils contribute to type 2 inflammation that often responds to steroid therapy; their role in immune dysregulation and outcomes in sepsis and ARDS is unclear.
SOURCE: A systematic search of Cochrane Library, MEDLINE, and EMBASE was performed from inception to 9 September 2020. The search comprised the following terms: eosinophils, sepsis, septic shock, and ARDS. Two reviewers independently screened abstracts and texts and extracted data on disease severity and clinical outcomes.
PRINCIPAL FINDINGS: Thirty-nine studies were identified: 30 evaluated serum eosinophil count in sepsis, one evaluated eosinophil activity in sepsis, three assessed bronchoalveolar lavage (BAL) eosinophil count in ARDS, four assessed eosinophil activity in ARDS, and one assessed peripheral eosinophil count in ARDS. Eleven studies showed an association between eosinopenia and sepsis, and eight studies found persistent eosinopenia at > 48 hr of intensive care unit admission to predict mortality and readmission in septic patients. Three studies found BAL eosinophil count to be low in ARDS, although one found that levels rose in late-phase ARDS. Three studies found eosinophil activity markers in BAL to be high in ARDS and correlate with ARDS severity.
CONCLUSION: Persistent peripheral eosinopenia is a marker of bacterial sepsis and is independently associated with poor outcomes. Bronchoalveolar lavage eosinophil counts are low in early-phase ARDS, but increase in late-phase ARDS, while elevated markers of eosinophil activity correlate with ARDS severity. Further studies understanding the mechanisms leading to eosinopenia in sepsis and increased eosinophil activity in ARDS are needed.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2021 |
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| Erschienen: |
2021 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:68 |
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| Enthalten in: |
Canadian journal of anaesthesia = Journal canadien d'anesthesie - 68(2021), 5 vom: 19. Mai, Seite 715-726 |
| Sprache: |
Englisch |
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| Weiterer Titel: |
Le rôle des éosinophiles dans le sepsis et le syndrome de détresse respiratoire aiguë : une revue exploratoire |
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| Beteiligte Personen: |
Al Duhailib, Zainab [VerfasserIn] |
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| Links: |
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| Themen: |
Acute respiratory distress syndrome (ARDS) |
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| Anmerkungen: |
Date Completed 23.04.2021 Date Revised 03.01.2024 published: Print-Electronic Citation Status MEDLINE |
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| doi: |
10.1007/s12630-021-01920-8 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
NLM320579638 |
|---|
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| 100 | 1 | |a Al Duhailib, Zainab |e verfasserin |4 aut | |
| 245 | 1 | 4 | |a The role of eosinophils in sepsis and acute respiratory distress syndrome |b a scoping review |
| 246 | 3 | 3 | |a Le rôle des éosinophiles dans le sepsis et le syndrome de détresse respiratoire aiguë : une revue exploratoire |
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| 500 | |a Date Completed 23.04.2021 | ||
| 500 | |a Date Revised 03.01.2024 | ||
| 500 | |a published: Print-Electronic | ||
| 500 | |a Citation Status MEDLINE | ||
| 520 | |a PURPOSE: Septic shock and acute respiratory distress syndrome (ARDS) are characterized by a dysregulated immune host response that may respond to steroid therapy. Eosinophils contribute to type 2 inflammation that often responds to steroid therapy; their role in immune dysregulation and outcomes in sepsis and ARDS is unclear | ||
| 520 | |a SOURCE: A systematic search of Cochrane Library, MEDLINE, and EMBASE was performed from inception to 9 September 2020. The search comprised the following terms: eosinophils, sepsis, septic shock, and ARDS. Two reviewers independently screened abstracts and texts and extracted data on disease severity and clinical outcomes | ||
| 520 | |a PRINCIPAL FINDINGS: Thirty-nine studies were identified: 30 evaluated serum eosinophil count in sepsis, one evaluated eosinophil activity in sepsis, three assessed bronchoalveolar lavage (BAL) eosinophil count in ARDS, four assessed eosinophil activity in ARDS, and one assessed peripheral eosinophil count in ARDS. Eleven studies showed an association between eosinopenia and sepsis, and eight studies found persistent eosinopenia at > 48 hr of intensive care unit admission to predict mortality and readmission in septic patients. Three studies found BAL eosinophil count to be low in ARDS, although one found that levels rose in late-phase ARDS. Three studies found eosinophil activity markers in BAL to be high in ARDS and correlate with ARDS severity | ||
| 520 | |a CONCLUSION: Persistent peripheral eosinopenia is a marker of bacterial sepsis and is independently associated with poor outcomes. Bronchoalveolar lavage eosinophil counts are low in early-phase ARDS, but increase in late-phase ARDS, while elevated markers of eosinophil activity correlate with ARDS severity. Further studies understanding the mechanisms leading to eosinopenia in sepsis and increased eosinophil activity in ARDS are needed | ||
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a Review | |
| 650 | 4 | |a Systematic Review | |
| 650 | 4 | |a acute respiratory distress syndrome (ARDS) | |
| 650 | 4 | |a eosinopenia | |
| 650 | 4 | |a eosinophils | |
| 650 | 4 | |a sepsis | |
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| 700 | 1 | |a Piticaru, Joshua |e verfasserin |4 aut | |
| 700 | 1 | |a Alhazzani, Waleed |e verfasserin |4 aut | |
| 700 | 1 | |a Nair, Parameswaran |e verfasserin |4 aut | |
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