• Masui · Aug 1996

    Case Reports

    [Emergency internal carotid artery ligation using near infrared spectroscopy].

    • K Saitoh, J Saitoh, H Fukuda, T Igarashi, H Mitsuhata, Y Hirabayashi, K Hotta, and R Shimizu.
    • Department of Anesthesiology, Jichi Medical School, Tochigi.
    • Masui. 1996 Aug 1; 45 (8): 1015-7.

    AbstractWe anesthetized a patient who received an emergency internal carotid artery ligation. Regional cerebral oxygen saturation (rSO2) was measured with near infrared spectroscopy (NIRS) during the whole anesthetic course. The sensor was placed on the left forehead of the patient. Decrease in blood pressure was reflected in the decrease in rSO2. The rSO2 was not altered by internal carotid ligation. However, cerebral infarction in the middle cerebral artery region, the onset of which remained unclear, was revealed postoperatively, regardless of a stable rSO2 during the operation. This monitor may provide useful information regarding the cerebral circulation during the operation in such a case as the present one, but this monitor reflects only the oxygenation of the region on which the sensor was placed. Thus, we should keep in mind the limitation in detecting cerebral dysfunction using NIRS.

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