Document Detail


Impedance tomography as a new monitoring technique.
MedLine Citation:
PMID:  20445445     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
PURPOSE OF REVIEW: Electrical impedance tomography (EIT) noninvasively creates images of the local ventilation and arguably lung perfusion distribution at bedside. Methodological and clinical aspects of EIT when used as a monitoring tool in the intensive care unit are reviewed and discussed. RECENT FINDINGS: Whereas former investigations addressed the issue of validating EIT to measure regional ventilation, current studies focus on clinical applications such as detection of pneumothorax. Furthermore, EIT has been used to quantify lung collapse and tidal recruitment in order to titrate positive end-expiratory pressure. Indicator-free EIT measurements might be sufficient for the continuous measurement of cardiac stroke volume, but assessment of regional lung perfusion presumably requires the use of a contrast agent such as hypertonic saline. SUMMARY: Growing evidence suggests that EIT may play an important role in individually optimizing ventilator settings in critically ill patients.
Authors:
Thomas Muders; Henning Luepschen; Christian Putensen
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't; Review    
Journal Detail:
Title:  Current opinion in critical care     Volume:  16     ISSN:  1531-7072     ISO Abbreviation:  Curr Opin Crit Care     Publication Date:  2010 Jun 
Date Detail:
Created Date:  2010-05-13     Completed Date:  2010-08-13     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9504454     Medline TA:  Curr Opin Crit Care     Country:  United States    
Other Details:
Languages:  eng     Pagination:  269-75     Citation Subset:  IM    
Affiliation:
Department of Anesthesiology and Intensive Care Medicine, University of Bonn, Germany. t.muders@uni-bonn.de <t.muders@uni-bonn.de>
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MeSH Terms
Descriptor/Qualifier:
Electric Impedance
Humans
Lung Diseases / diagnosis,  physiopathology
Pulmonary Ventilation / physiology*
Respiratory Mechanics / physiology
Stroke Volume
Tomography / methods*

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