Bedside estimation of recruitable alveolar collapse and hyperdistension by electrical impedance tomography

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dc.contributorSistema FMUSP-HC: Faculdade de Medicina da Universidade de São Paulo (FMUSP) e Hospital das Clínicas da FMUSP
dc.contributor.authorCOSTA, E. L. V.
dc.contributor.authorBORGES, J. B.
dc.contributor.authorMELO, A.
dc.contributor.authorSUAREZ-SIPMANN, F.
dc.contributor.authorTOUFEN, C. Jr.
dc.contributor.authorBOHM, S. H.
dc.contributor.authorAMATO, M. B. P.
dc.date.accessioned2023-02-09T20:02:43Z
dc.date.available2023-02-09T20:02:43Z
dc.date.issued2012
dc.description.abstractObjective: To present a novel algorithm for estimating recruitable alveolar collapse and hyperdistension based on electrical impedance tomography (EIT) during a decremental positive end-expiratory pressure (PEEP) titration. Design: Technical note with illustrative case reports. Setting: Respiratory intensive care unit. Patient: Patients with acute respiratory distress syndrome. Interventions: Lung recruitment and PEEP titration maneuver. Measurements and results: Simultaneous acquisition of EIT and X-ray computerized tomography (CT) data. We found good agreement (in terms of amount and spatial location) between the collapse estimated by EIT and CT for all levels of PEEP. The optimal PEEP values detected by EIT for patients 1 and 2 (keeping lung collapse \10%) were 19 and 17 cmH2O, respectively. Although pointing to the same non1dependent lung regions, EIT estimates of hyperdistension represent the functional deterioration of lung units, instead of their anatomical changes, and could not be compared directly with static CT estimates for hyperinflation. Conclusions: We described an EIT-based method for estimating recruitable alveolar collapse at the bedside, pointing out its regional distribution. Additionally, we proposed a measure of lung hyperdistension based on regional lung mechanics. © Springer-Verlag Berlin Heidelberg 2006, 2009, 2012.
dc.identifier.citationCosta, E. L. V.; Borges, J. B.; Melo, A.; Suarez-Sipmann, F.; Toufen, C. Jr.; Bohm, S. H.; Amato, M. B. P.. Bedside estimation of recruitable alveolar collapse and hyperdistension by electrical impedance tomography. In: . APPLIED PHYSIOLOGY IN INTENSIVE CARE MEDICINE 1: PHYSIOLOGICAL NOTES - TECHNICAL NOTES - SEMINAL STUDIES IN INTENSIVE CARE, THIRD EDITION: SPRINGER BERLIN HEIDELBERG, 2012. p.165-170.
dc.identifier.doi10.1007/978-3-642-28270-6_34
dc.identifier.isbn9783642282706; 9783642282690
dc.identifier.urihttps://observatorio.fm.usp.br/handle/OPI/51312
dc.language.isoeng
dc.publisherSPRINGER BERLIN HEIDELBERG
dc.relation.ispartofAPPLIED PHYSIOLOGY IN INTENSIVE CARE MEDICINE 1: PHYSIOLOGICAL NOTES - TECHNICAL NOTES - SEMINAL STUDIES IN INTENSIVE CARE, THIRD EDITION
dc.rightsrestrictedAccess
dc.rights.holderCopyright SPRINGER BERLIN HEIDELBERG
dc.subjectAcute lung injury
dc.subjectAcute respiratory distress syndrome
dc.subjectComputed tomography
dc.subjectElectrical impedance tomography
dc.subjectLung recruitment
dc.subjectMechanical ventilation
dc.subjectPositive end-expiratory pressure
dc.titleBedside estimation of recruitable alveolar collapse and hyperdistension by electrical impedance tomography
dc.typebookPart
dc.type.categorybook chapter
dc.type.versionpublishedVersion
dspace.entity.typePublication
hcfmusp.affiliation.countrySuíça
hcfmusp.affiliation.countryEspanha
hcfmusp.affiliation.countryisoes
hcfmusp.affiliation.countryisoch
hcfmusp.author.externalMELO, A.:Respiratory Intensive Care Unit, University of São Paulo School of Medicine, São Paulo, Brazil
hcfmusp.author.externalSUAREZ-SIPMANN, F.:Respiratory Intensive Care Unit, University of São Paulo School of Medicine, São Paulo, Brazil, Department of Critical Care Medicine, Fundació n Jiménez Díaz-UTE, Madrid, Spain
hcfmusp.author.externalBOHM, S. H.:Respiratory Intensive Care Unit, University of São Paulo School of Medicine, São Paulo, Brazil, CSEM Centre Suisse d’Electronique et de Microtechnique SA, Research Centre for Nanomedicine, Landquart, Switzerland
hcfmusp.citation.scopus7
hcfmusp.contributor.author-fmusphcEDUARDO LEITE VIEIRA COSTA
hcfmusp.contributor.author-fmusphcJOAO BATISTA BORGES SOBRINHO DORINI
hcfmusp.contributor.author-fmusphcCARLOS TOUFEN JUNIOR
hcfmusp.contributor.author-fmusphcMARCELO BRITTO PASSOS AMATO
hcfmusp.description.beginpage165
hcfmusp.description.endpage170
hcfmusp.origemSCOPUS
hcfmusp.origem.scopus2-s2.0-84956801924
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