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Publication Detail
Application of a finite element model in near infra-red spectroscopy and imaging
  • Publication Type:
    Conference
  • Authors:
    Schweiger M, Arridge SR
  • Publication date:
    05/01/1994
  • Published proceedings:
    IEE Colloquium (Digest)
  • Issue:
    1
  • Status:
    Published
  • Print ISSN:
    0963-3308
Abstract
Optical methods for obtaining information about the interior of a patient's body have received much attention in recent years, The absorption coefficient of tissue, especially that of blood, varies with wavelength, but it also depends on the oxygenation state of haemoglobin and other chromophores. With optical methods it is therefore possible to measure the oxygenation state of tissue, and to evaluate such parameters as cerebral blood volume and blood flow. Applications include the monitoring of brain oxygenation in infants during and after birth to detect hypoxia before irreversible brain damage occurs, and the detection of tumors due to metabolic changes in vascular tissue.
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