Development of the new measurement method using the time resolved spectroscopy for the acute abdominal disease

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The purpose of this study is the development of the new measurement using the time-resolved spectroscopy (TRS) for the acute abdominal disease. The Hb concentration and tissue oxygenation in the liver and intestinal tracts were monitored by the TRS, which probes put on a surface of the body and fixedit, during reduction of FIO2 or cardiac arrest in the pig model. An operation was performed next and a shade board was inserted between the abdominal wall and liver, intestinal tracts, and similar experiments (reduction of FIO2 or cardiac arrest) were carried out. I was able to confirm that the tissue oxygenation in the liver and intestinal tracts could be measured noninvasively by the new measurement using TRS from a surface of a body.