Monitoring of lung edema using focused impedance spectroscopy: A feasibility study

Physiological Measurement

Volumn 26, Issue 3, 2005, Pages 185-192

  Mayer, Michael ^a   Brunner, Patricia ^a   Merwa, Robert ^a   Scharfetter, Hermann ^a  

^a GRAZ UNIVERSITY OF TECHNOLOGY   (Austria)

Author keywords

EIT; Electrode optimization; Impedance; Lung edema; Spectroscopy

Indexed keywords

ELECTRIC IMPEDANCE TOMOGRAPHY; ELECTRODES; IMAGE SEGMENTATION; PHYSIOLOGICAL MODELS; SPECTRUM ANALYSIS;

CONDUCTIVITY SPECTROSCOPY; ELECTRICAL IMPE DANCE TOMOGRAPHY (EIT); ELECTRODE CONFIGURATIONS; ELECTRODE OPTIMIZATION; FEASIBILITY STUDIES; IMPEDANCE; IMPEDANCE SPECTROSCOPY; LUNG EDEMA; OPTIMAL ELECTRODES; PULMONARY EDEMA;

BIOLOGICAL ORGANS;

ARTICLE; BIOENERGY; ELECTRODE; FEASIBILITY STUDY; LUNG ALVEOLUS WALL; LUNG EDEMA; MATHEMATICAL COMPUTING; MATHEMATICAL MODEL; MONITORING; PRIORITY JOURNAL; SENSITIVITY AND SPECIFICITY; SPECTROSCOPY; ADULT; ALGORITHM; BIOLOGICAL MODEL; COMPUTER ASSISTED DIAGNOSIS; COMPUTER SIMULATION; EVALUATION; HUMAN; IMPEDANCE; IMPEDANCE PLETHYSMOGRAPHY; MALE; METHODOLOGY; PATHOPHYSIOLOGY; REPRODUCIBILITY;

DIAGNOSTIC AGENT;

ADULT; ALGORITHMS; COMPUTER SIMULATION; DIAGNOSIS, COMPUTER-ASSISTED; ELECTRIC IMPEDANCE; FEASIBILITY STUDIES; HUMANS; MALE; MODELS, BIOLOGICAL; MONITORING, PHYSIOLOGIC; PLETHYSMOGRAPHY, IMPEDANCE; PULMONARY EDEMA; REPRODUCIBILITY OF RESULTS; SENSITIVITY AND SPECIFICITY; SPECTRUM ANALYSIS;

EID: 23844493206     PISSN: 09673334     EISSN: 09673334     Source Type: Journal    
DOI: 10.1088/0967-3334/26/3/004     Document Type: Article

References (10)

1. Adler A, Guardo R and Berthiaume Y 1996 Impedance imaging of lung ventilation: do we need to account for chest expansion? IEEE Trans. Biomed. Eng. 43 414-20
2. Cole K S and Cole R H 1941 Dispersion and absorption in dielectrics: I. Alternating current characteristics J. Chem. Phys. 9 341-51
3. Drummond G B 1998 Computed tomography and pulmonary measurements Br. J. Anaesth. 80 665-71
4. Lange N R and Schuster D P 1999 The measurement of lung water Crit. Care 3 19-24
5. Kunst P W et al 1999 Electrical impedance tomography in the assessment of extravascular lung water in noncardiogenic acute respiratory failure Chest 116 1695-702
6. Nobel T J, Morice A H, Channer K S, Milnes P, Harris N D and Brown B H 1999 Monitoring patients with left ventricular failure by electrical impedance tomography Eur. J. Heart Failure 1 379-84
7. Nopp P, Harris N D, Zhao T X and Brown B H 1997 Model for the dielectric properties of human lung tissue against frequency and air content Med. Biol. Eng. Comput. 35 695-702
8. Nopp P, Rapp E, Pfuetzner H, Nakesch H and Ruhsam C 1993 Dielectric properties of lung tissue as a function of air content Phys. Med. Biol. 38 699-716
9. Severinghaus J W, Catron C and Noble W 1972 A focusing electrode bridge for unilateral lung resistance J. Appl. Physiol. 32 526-30
10. Tang M, Wang W, Wheeler J, McCormick M and Dong X 2002 The number of electrodes and basis functions in EIT image reconstruction Physiol. Meas. 23 129-40