Estimation of the size of air emboli detectable by electrical impedance measurement

Medical and Biological Engineering and Computing

Volumn 42, Issue 1, 2004, Pages 142-144

  Nebuya, Satoru ^a   Noshiro, M ^a   Brown, B H ^b   Smallwood, R H ^b   Milnes, P ^b  

^a KITASATO UNIVERSITY   (Japan)

^b UNIVERSITY OF SHEFFIELD   (United Kingdom)

Author keywords

Air emboli; Biological tissue; Bubble; Electrical impedance measurement; Non invasive detection

Indexed keywords

AIR; ARRAYS; BLOOD; BUBBLES (IN FLUIDS); ELECTRIC IMPEDANCE MEASUREMENT; ELECTRODES; NONINVASIVE MEDICAL PROCEDURES; VIDEO CAMERAS;

AIR EMBOLI; NON-INVASIVE DETECTION;

BIOMEDICAL ENGINEERING;

CARBON DIOXIDE; SODIUM CHLORIDE;

AIR EMBOLISM; ARTICLE; BRAIN VEIN; CALCULATION; CAROTID ARTERY; COMMON CAROTID ARTERY; CONTROLLED STUDY; ELECTRIC FIELD; ELECTRICAL PARAMETERS; ELECTRODE; EXPERIMENTATION; IMAGE ANALYSIS; IMPEDANCE; IN VITRO STUDY; LINEAR SYSTEM; NON INVASIVE MEASUREMENT; POLARIMETRY; SAPHENOUS VEIN; THEORY; TIME; VIDEORECORDING;

ELECTRIC IMPEDANCE; ELECTRODIAGNOSIS; EMBOLISM, AIR; HUMANS; MODELS, CARDIOVASCULAR; TOMOGRAPHY;

EID: 1042280278     PISSN: 01400118     EISSN: None     Source Type: Journal    
DOI: 10.1007/BF02351024     Document Type: Article

References (13)

1. Brown, B. H., Wilson, A. J., and Bertemes-Filho, P. (2000): 'Bipolar and tetrapolar transfer impedance measurements from a volume conductor', Electron. Lett., 36, pp. 2060-2062
2. Ceccio, S. L., and George, D. L. (1996): 'A review of electrical impedance techniques for the measurement of multiphase flows', J. Fluids Eng., 118, pp. 391-398
3. Das, R. K., and Pattanayak, S. (1993): 'Electrical impedance method for flow regime identification in vertical upward gas - liquid two-phase flow', Meas. Sci. Technol, 4, pp. 1457-1463
4. Geselowitz, D. B. (1971): 'An application of electrocardiographic lead theory to impedance plethysmography', IEEE Trans. Bio-med. Eng., 18, pp. 38-41
5. Huahun, G. (1987): 'Use of electrical impedance method measuring two phase flow parameters', IEEE Trans. Nucl. Sci., 34, pp. 553-557
6. Leathard, A. D., Brown, B. H., Campbell, J., Zhang, F., Morice, A. H., and Tayler, D. (1994): 'A comparison of ventilatory and cardiac related changes in EIT images of normal human lungs and of lungs with pulmonary emboli', Physiol. Meas., 15, pp. A137-A146
7. Markus, H. S., and Brown, M. M. (1993): 'Differentiation between different pathological cerebral embolic materials using transcranial Doppler in an in-vitro model', Stroke, 24, pp. 1-5
8. Metherall, P., Barber, D. C., Smallwood, R. H., and Brown, B. H. (1996): 'Three-dimensional electrical impedance tomography', Nature, 380, pp. 509-512
9. Nebuya, S., Brown, B. H., Smallwood, R. H., Milnes, P., Waterworth, A. R., and Noshiro, M. (1999): 'The measurement of high frequency electrical transfer impedances from biological tissues', Electron. Lett., 35, pp, 1985-1987
10. Richardson, P. D. (1985): 'Qualitative and quantitative methods for investigating gas emboli in blood', Med. Instrum., 19, pp. 55-58
11. Spencer, M. P., Campbell, S. D., Sealy, J. L., Henry, F. C., and Lindbergh, J. (1969): 'Experiments on decompression bubbles in the circulation using ultrasonic and electromagnetic flowmeters', J. Occup. Med., 11, pp. 238-244
12. Spencer, M. P. (1976): 'Decompression limits for compressed air determined by ultrasonically detected blood bubbles', J. Appl. Physiol., 40, pp. 229-235
13. Spencer, M. P., Thomas, G. I., Nicholls, S. C., and Sauvage, L. R. (1990): 'Detection of middle cerebral artery emboli during carotid endarterectomy using transcranial Doppler ultrasonography', Stroke, 21, pp. 415-423