The Effect of Positive End-Expiratory Pressure on Lung Micromechanics Assessed by Synchrotron Radiation Computed Tomography in an Animal Model of ARDS.
ARDS
VILI
alveoli
kinetics
recruitment
synchrotron radiation computed tomography
Journal
Journal of clinical medicine
ISSN: 2077-0383
Titre abrégé: J Clin Med
Pays: Switzerland
ID NLM: 101606588
Informations de publication
Date de publication:
28 Jul 2019
28 Jul 2019
Historique:
received:
25
06
2019
revised:
17
07
2019
accepted:
25
07
2019
entrez:
31
7
2019
pubmed:
31
7
2019
medline:
31
7
2019
Statut:
epublish
Résumé
Modern ventilatory strategies are based on the assumption that lung terminal airspaces act as isotropic balloons that progressively accommodate gas. Phase contrast synchrotron radiation computed tomography (PCSRCT) has recently challenged this concept, showing that in healthy lungs, deflation mechanisms are based on the sequential de-recruitment of airspaces. Using PCSRCT scans in an animal model of acute respiratory distress syndrome (ARDS), this study examined whether the numerosity (ASnum) and dimension (ASdim) of lung airspaces change during a deflation maneuver at decreasing levels of positive end-expiratory pressure (PEEP) at 12, 9, 6, 3, and 0 cmH
Identifiants
pubmed: 31357677
pii: jcm8081117
doi: 10.3390/jcm8081117
pmc: PMC6723999
pii:
doi:
Types de publication
Journal Article
Langues
eng
Subventions
Organisme : Swedish Council of Research (Vetenskapsrådet)
ID : K2015-99X-22731-01-4
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