About: Transpulmonary thermodilution detects rapid and reversible increases in lung water induced by positive end-expiratory pressure in acute respiratory distress syndrome

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About: Transpulmonary thermodilution detects rapid and reversible increases in lung water induced by positive end-expiratory pressure in acute respiratory distress syndrome Goto Sponge NotDistinct Permalink

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type	Academic Article research paper schema:ScholarlyArticle
isDefinedBy	Covid-on-the-Web dataset
title	Transpulmonary thermodilution detects rapid and reversible increases in lung water induced by positive end-expiratory pressure in acute respiratory distress syndrome
Creator	Teboul, Jean-Louis Lai, Christopher Gavelli, Francesco Adda, Imane Avanzi, Gian Azzolina, Danila Beurton, Alexandra Monnet, Xavier Taccheri, Temistocle
source	PMC
abstract	PURPOSE: It has been suggested that, by recruiting lung regions and enlarging the distribution volume of the cold indicator, increasing the positive end-expiratory pressure (PEEP) may lead to an artefactual overestimation of extravascular lung water (EVLW) by transpulmonary thermodilution (TPTD). METHODS: In 60 ARDS patients, we measured EVLW (PiCCO2 device) at a PEEP level set to reach a plateau pressure of 30 cmH(2)O (HighPEEP(start)) and 15 and 45 min after decreasing PEEP to 5 cmH(2)O (LowPEEP(15′) and LowPEEP(45′), respectively). Then, we increased PEEP back to the baseline level (HighPEEP(end)). Between HighPEEP(start) and LowPEEP(15′), we estimated the degree of lung derecruitment either by measuring changes in the compliance of the respiratory system (Crs) in the whole population, or by measuring the lung derecruited volume in 30 patients. We defined patients with a large derecruitment from the other ones as patients in whom the Crs changes and the measured derecruited volume were larger than the median of these variables observed in the whole population. RESULTS: Reducing PEEP from HighPEEP(start) (14 ± 2 cmH(2)O) to LowPEEP(15′) significantly decreased EVLW from 20 ± 4 to 18 ± 4 mL/kg, central venous pressure (CVP) from 15 ± 4 to 12 ± 4 mmHg, the arterial oxygen tension over inspired oxygen fraction (PaO(2)/FiO(2)) ratio from 184 ± 76 to 150 ± 69 mmHg and lung volume by 144 [68–420] mL. The EVLW decrease was similar in “large derecruiters” and the other patients. When PEEP was re-increased to HighPEEP(end), CVP, PaO(2)/FiO(2) and EVLW significantly re-increased. At linear mixed effect model, EVLW changes were significantly determined only by changes in PEEP and CVP (p < 0.001 and p = 0.03, respectively, n = 60). When the same analysis was performed by estimating recruitment according to lung volume changes (n = 30), CVP remained significantly associated to the changes in EVLW (p < 0.001). CONCLUSIONS: In ARDS patients, changing the PEEP level induced parallel, small and reversible changes in EVLW. These changes were not due to an artefact of the TPTD technique and were likely due to the PEEP-induced changes in CVP, which is the backward pressure of the lung lymphatic drainage. Trial registration ID RCB: 2015-A01654-45. Registered 23 October 2015
has issue date	2020-03-02(xsd:dateTime)
bibo:doi	10.1186/s13613-020-0644-2
bibo:pmid	32124129
has license	cc-by
sha1sum (hex)	7c9c757a256aceedad4ecd56b47a400a7a0b1606
schema:url	https://doi.org/10.1186/s13613-020-0644-2
resource representing a document's title	Transpulmonary thermodilution detects rapid and reversible increases in lung water induced by positive end-expiratory pressure in acute respiratory distress syndrome
has PubMed Central identifier	PMC7052093
has PubMed identifier	32124129
schema:publication	Ann Intensive Care
resource representing a document's body	covid:7c9c757a256aceedad4ecd56b47a400a7a0b1606#body_text
is schema:about of	named entity 'lung' named entity 'artefactual' named entity 'positive end-expiratory pressure' named entity 'distribution volume' named entity 'positive end-expiratory pressure' named entity 'Pulmonary oedema' named entity 'PEEP' named entity 'ANOVA' named entity 'ARDS' named entity 'ultrasound' named entity 'Mariakerke' named entity 'Germany' named entity 'lymphatic flow' named entity 'lung volume' named entity 'ARDS' named entity 'capillary permeability' named entity 'ARDS' named entity 'air trapping' named entity 'MedCalc' named entity 'PEEP' named entity 'lung volume' named entity 'atrium' named entity 'PEEP' named entity 'pulmonary oedema' named entity 'PEEP' named entity 'PEEP' named entity 'PEEP' named entity 'PEEP' named entity 'ventilator' named entity 'lung' named entity 'CVP' named entity 'lungs' named entity 'Multiple comparisons' named entity 'Septic shock' named entity 'pulmonary shunt' named entity 'Sedation' named entity 'PEEP' named entity 'covariate' named entity 'ARDS' named entity 'PEEP' named entity 'PEEP' named entity 'CVP' named entity 'body weight' named entity 'vascular permeability' named entity 'PEEP' named entity 'ARDS' named entity 'PEEP' named entity 'PEEP' named entity 'plateau pressure' named entity 'PEEP' named entity 'continuous venovenous hemofiltration' named entity 'pulmonary capillary' named entity '0.01' named entity 'cardiac index' named entity 'PEEP' named entity 'lung' named entity 'PEEP' named entity 'CVP' named entity 'lymphatic flow' named entity 'PEEP' named entity 'lymphatic drainage' named entity 'prone position' named entity 'ARDS' named entity 'transmural pressure' named entity 'covariate' named entity 'PEEP' named entity 'Pneumonia' named entity 'ARDS' named entity 'lung volume' named entity 'CVP' named entity 'lung' named entity 'lung volume' named entity 'ARDS'

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