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Bilateral Simultaneous Monitoring of Regional Cerebrovascular Oxygen Saturation Using Near-Infrared Spectroscopy

  • Issei Nara
  • Toshiyuki Shiogai
  • Nahoko Tanaka
  • Manabu Tokitsu
  • Isamu Saito

Abstract

Near-infrared spectroscopy recently has come to be utilized in neurointensive care settings for continuous, noninvasive, and bedside evaluation of regional oxygen metabolism and hemodynamics [1–3]. Using near-infrared spectroscopy, regional cerebrovascular oxygen saturation (rSO2) can be calculated [2, 4] on the basis of measured oxyhemoglobin and deoxyhemoglobin. Normal control values of rSO2 in multiple cerebral regions, however, have not been fully established by means of near-infrared spectroscopy. Furthermore, the correlation of rSO2 with other modalities utilized in neurointensive care, such as intracranial pressure (ICP) [5] and jugular bulb venous oxygen saturation (SjO2) [6], has been attempted experimentally or in intraoperative monitoring but these results have not been conclusive.

Keywords

Frontal Lobe Regional Cerebral Blood Flow Decompressive Craniectomy Cerebral Oxygen Acute Subdural Hematoma 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer-Verlag Tokyo 1995

Authors and Affiliations

  • Issei Nara
    • 1
  • Toshiyuki Shiogai
    • 1
  • Nahoko Tanaka
    • 1
  • Manabu Tokitsu
    • 1
  • Isamu Saito
    • 1
  1. 1.Department of NeurosurgeryKyorin University School of MedicineMitaka, Tokyo 181Japan

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