Physiological effects of lung-protective ventilation in patients with lung fibrosis and usual interstitial pneumonia pattern versus primary ARDS : a matched-control study
© 2023. BioMed Central Ltd., part of Springer Nature..
BACKGROUND: Although patients with interstitial pneumonia pattern (ILD-UIP) and acute exacerbation (AE) leading to severe acute respiratory failure may require invasive mechanical ventilation (MV), physiological data on lung mechanics during MV are lacking. We aimed at describing the physiological effect of lung-protective ventilation in patients with AE-ILD-UIP compared with primary ARDS.
METHODS: Partitioned lung and chest wall mechanics were assessed in a series of AE-ILD-UIP patients matched 1:1 with primary ARDS as controls (based on BMI and PaO2/FiO2 ratio). Three PEEP levels (zero = ZEEP, 4-8 cmH2O = PEEPLOW, and titrated to achieve positive end-expiratory transpulmonary pressure PL,EE = PEEPTITRATED) were used for measurements.
RESULTS: Ten AE-ILD-UIP patients and 10 matched ARDS were included. In AE-ILD-UIP median PL,EE at ZEEP was - 4.3 [- 7.6- - 2.3] cmH2O and lung elastance (EL) 44 [40-51] cmH2O/L. At PEEPLOW, PL,EE remained negative and EL did not change (p = 0.995) versus ZEEP. At PEEPTITRATED, PL,EE increased to 0.8 [0.3-1.5] cmH2O and EL to 49 [43-59] (p = 0.004 and p < 0.001 compared to ZEEP and PEEPLOW, respectively). ΔPL decreased at PEEPLOW (p = 0.018) and increased at PEEPTITRATED (p = 0.003). In matched ARDS control PEEP titration to obtain a positive PL,EE did not result in significant changes in EL and ΔPL.
CONCLUSIONS: In mechanically ventilated AE-ILD-UIP patients, differently than in patients with primary ARDS, PEEP titrated to obtain a positive PL,EE significantly worsened lung mechanics.
Medienart: |
E-Artikel |
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Erscheinungsjahr: |
2023 |
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Erschienen: |
2023 |
Enthalten in: |
Zur Gesamtaufnahme - volume:27 |
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Enthalten in: |
Critical care (London, England) - 27(2023), 1 vom: 18. Okt., Seite 398 |
Sprache: |
Englisch |
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Beteiligte Personen: |
Tonelli, Roberto [VerfasserIn] |
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Links: |
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Anmerkungen: |
Date Completed 23.10.2023 Date Revised 22.11.2023 published: Electronic Citation Status MEDLINE |
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doi: |
10.1186/s13054-023-04682-5 |
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funding: |
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Förderinstitution / Projekttitel: |
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PPN (Katalog-ID): |
NLM363459758 |
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245 | 1 | 0 | |a Physiological effects of lung-protective ventilation in patients with lung fibrosis and usual interstitial pneumonia pattern versus primary ARDS |b a matched-control study |
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520 | |a © 2023. BioMed Central Ltd., part of Springer Nature. | ||
520 | |a BACKGROUND: Although patients with interstitial pneumonia pattern (ILD-UIP) and acute exacerbation (AE) leading to severe acute respiratory failure may require invasive mechanical ventilation (MV), physiological data on lung mechanics during MV are lacking. We aimed at describing the physiological effect of lung-protective ventilation in patients with AE-ILD-UIP compared with primary ARDS | ||
520 | |a METHODS: Partitioned lung and chest wall mechanics were assessed in a series of AE-ILD-UIP patients matched 1:1 with primary ARDS as controls (based on BMI and PaO2/FiO2 ratio). Three PEEP levels (zero = ZEEP, 4-8 cmH2O = PEEPLOW, and titrated to achieve positive end-expiratory transpulmonary pressure PL,EE = PEEPTITRATED) were used for measurements | ||
520 | |a RESULTS: Ten AE-ILD-UIP patients and 10 matched ARDS were included. In AE-ILD-UIP median PL,EE at ZEEP was - 4.3 [- 7.6- - 2.3] cmH2O and lung elastance (EL) 44 [40-51] cmH2O/L. At PEEPLOW, PL,EE remained negative and EL did not change (p = 0.995) versus ZEEP. At PEEPTITRATED, PL,EE increased to 0.8 [0.3-1.5] cmH2O and EL to 49 [43-59] (p = 0.004 and p < 0.001 compared to ZEEP and PEEPLOW, respectively). ΔPL decreased at PEEPLOW (p = 0.018) and increased at PEEPTITRATED (p = 0.003). In matched ARDS control PEEP titration to obtain a positive PL,EE did not result in significant changes in EL and ΔPL | ||
520 | |a CONCLUSIONS: In mechanically ventilated AE-ILD-UIP patients, differently than in patients with primary ARDS, PEEP titrated to obtain a positive PL,EE significantly worsened lung mechanics | ||
650 | 4 | |a Journal Article | |
650 | 4 | |a ARDS | |
650 | 4 | |a Acute respiratory failure | |
650 | 4 | |a End-expiratory transpulmonary pressure | |
650 | 4 | |a End-inspiratory transpulmonary pressure | |
650 | 4 | |a Interstitial lung disease | |
650 | 4 | |a Invasive mechanical ventilation, VILI | |
650 | 4 | |a Lung elastance | |
650 | 4 | |a Pulmonary fibrosis | |
650 | 4 | |a Respiratory mechanics | |
650 | 4 | |a Transpulmonary pressure | |
650 | 4 | |a Usual interstitial pneumonia | |
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700 | 1 | |a Ball, Lorenzo |e verfasserin |4 aut | |
700 | 1 | |a Castaniere, Ivana |e verfasserin |4 aut | |
700 | 1 | |a Tabbì, Luca |e verfasserin |4 aut | |
700 | 1 | |a Fantini, Riccardo |e verfasserin |4 aut | |
700 | 1 | |a Andrisani, Dario |e verfasserin |4 aut | |
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700 | 1 | |a Clini, Enrico |e verfasserin |4 aut | |
700 | 1 | |a Marchioni, Alessandro |e verfasserin |4 aut | |
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