Two-dimensional finite element modelling of the neonatal head

Physiological Measurement

Volumn 21, Issue 1, 2000, Pages 45-52

  Gibson, A ^a   Bayford, R H ^a   Holder, D S ^a  

^a UNIVERSITY COLLEGE LONDON   (United Kingdom)

Author keywords

Electrical impedance tomography; Neonatal head

Indexed keywords

CEREBROSPINAL FLUID; DIAGNOSIS; ELECTRIC IMPEDANCE MEASUREMENT; ELECTRIC IMPEDANCE TOMOGRAPHY; FINITE ELEMENT METHOD;

BIRTH ASPHYXIAS; BRAIN INJURY; CLINICAL CONDITIONS; EARLY DIAGNOSIS; FINITE ELEMENT MODELLING (FEM); FLUID RESISTIVITY; NEONATAL HEAD; SHUNT CURRENT; SHUNTING EFFECT; TWO-DIMENSIONAL;

ELECTRIC IMPEDANCE;

ADULT; ARTICLE; BRAIN INJURY; CEREBROSPINAL FLUID; COMPUTER ASSISTED IMPEDANCE TOMOGRAPHY; CONTROLLED STUDY; EARLY DIAGNOSIS; HUMAN; HUMAN EXPERIMENT; IMAGE QUALITY; MEASUREMENT; NEWBORN; NORMAL HUMAN; PERINATAL ASPHYXIA; PRIORITY JOURNAL; SCALP; SKULL;

EID: 0033997566     PISSN: 09673334     EISSN: None     Source Type: Journal    
DOI: 10.1088/0967-3334/21/1/306     Document Type: Article

References (24)

1. Avis N J and Barber D C 1995 Incorporating a priori information into the Sheffield filtered backprojection algorithm Physiol Meas. 16 (suppl) A111-A23
2. Baumann S B, Wozny D R, Kelly S K and Meno F M 1997 The electrical conductivity of human cerebrospinal fluid at body temperature IEEE Trans. Biomed. Eng. 44 220-3
3. Bayford R H, Boone K G, Hanquan Y and Holder D S 1996 Improvement of the positional accuracy of EIT images of the head using a Lagrange multiplier reconstruction algorithm with diametric excitation Physiol. Meas. 17 (suppl) A91-A98
4. Boone K G 1995 The possible use of applied potential tomography for imaging action potentials in the brain PhD Thesis University College London
5. Boone K, Lewis A M and Holder D S 1994 Imaging of cortical spreading depression by EIT: Implications for localization of epileptic foci Physiol. Meas. 15 (suppl) A189-A198
6. Brown B H and Seagar A D 1987 The Sheffield data collection system Clin. Phys. Physiol. Meas. 8 (suppl A) 91-7
7. Burger H C and van Milaan J B 1943 Measurements of the specific resistance of the human body to direct current Act. Med. Scand. 114 584-607
8. Edwards A D, Yue X, Squier M V, Thoresen M, Cady E B, Penrice J, Cooper C E, Wyatt J S, Reynolds E O and Mehmet H 1995 Specific inhibition of apoptosis after cerebral hypoxia-ischaemia by moderate post-insult hypothermia Biochem. Biophys. Res. Commun. 217 2-11
9. Elster D E 1988 Cranial Magnetic Resonance Imaging (New York: Churchill Livingstone)
10. Geddes L A and Baker L E 1967 The specific resistance of biological material - a compendium of data for the bio-medical engineer and physiologist Med. Biol. Eng. 5 271-93
11. Holder D S 1992 Electrical impedance tomography with cortical or scalp electrodes during global cerebral ischaemia in the anaesthetised rat Clin. Phys. Physiol. Meas. 13 87-98
12. Holder D S, Rao A and Hanquan Y 1996 Imaging of physiologically evoked responses by electrical impedance tomography with cortical electrodes in the anaesthetised rabbit Physiol. Meas. 17 (suppl) A179-A186
13. Isaacson G, Mintz M C and Crelin E S 1986 Atlas of Fetal Sectional Anatomy (Berlin: Springer)
14. Kosterich J D, Foster K R and Pollack S R 1983 Dielectric permittivity and electrical conductivity of fluid saturated bone IEEE Trans Biomed. Eng. 30 81-6
15. Law S K 1993 Thickness and resistivity variations over the upper surface of the human skull Brain Topogr. 6 99-109
16. McArdle F J, Brown B H, Pearse R G and Barber D C 1988 The effect of the skull of low-birthweight neonates on applied potential tomography of centralised resistivity change Clin. Phys. Physiol. Meas. 9 (suppl) 55-60
17. Minns R A and Brown J K 1978 Intracranial pressure changes associated with childhood seizures Dev. Med. Child. Neurol. 20 561-9
18. Murray P W 1981 Field calculations in the head of a newborn infant and their application to the interpretation of transcephalic impedance measurements Med. Biol. Eng. Comput. 19 538-46
19. Nicholson P W 1965 Exp. Neurol. 13 386-401
20. Reddy G N and Saha S 1984 Electrical and dielectric properties of wet bone as a function of frequency IEEE Trans Biomed. Eng. 31 296-303
21. Saha S and Williams P A 1992 Electric and dielectric properties of wet human cortical bone as a function of frequency IEEE Trans Biomed. Eng. 39 1298-304
22. Thoresen M, Penrice J, Lorek A, Cady E B, Wylezinska M, Kirkbride V, Cooper C E, Brown G C, Edwards A D and Wyatt J S 1995 Mild hypothermia after severe transient hypoxia-ischaemia ameriolates delayed energy failure in the newborn piglet Pediatr. Res. 37 667-70
23. Thurai M, Goodridge V D, Sheppard R J and Grant E H 1984 Variation with age of the dielectric properties of mouse brain cerebrum Phys. Med. Biol. 29 1133-6
24. Zadehkoochak M, Blott B H, Hames T K and George R F 1991 The spectral expansion of a head model in electrical impedance tomography Clin, Phys. Physiol. Meas. 12 (suppl A) 101-5