Impedance tomography as a new monitoring techniqueMuders, Thomas; Luepschen, Henning; Putensen, ChristianCurrent Opinion in Critical Care: June 2010 - Volume 16 - Issue 3 - p 269–275 doi: 10.1097/MCC.0b013e3283390cbf Cardiopulmonary monitoring: Edited by Michael R. Pinsky Abstract Author Information 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. Department of Anesthesiology and Intensive Care Medicine, University of Bonn, Bonn, Germany Correspondence to Thomas Muders, MD, Department of Anaesthesiology and Intensive Care Medicine, University of Bonn, Sigmund Freud Str. 35, 53105 Bonn, Germany Tel: +49 228 287 15586; fax: +49 228 287 19122; e-mail: firstname.lastname@example.org © 2010 Lippincott Williams & Wilkins, Inc.