Anesthetic Management during Intraoperative Computed Tomography

DOI 1 Citations 8 References Open Access
  • YANAGIMOTO Masahiro
    Department of Anesthesiology and Reanimatology, Fukui Medical University
  • KINOSHITA Yoshikazu
    Department of Anesthesiology and Reanimatology, Fukui Medical University
  • TAKEDA Akiko
    Department of Anesthesiology and Reanimatology, Fukui Medical University
  • SHIN-E Satoshi
    Department of Anesthesiology and Reanimatology, Fukui Medical University
  • SUGIURA Yoshihiro
    Department of Anesthesiology and Reanimatology, Fukui Medical University
  • GOTO Yukio
    Department of Anesthesiology and Reanimatology, Fukui Medical University

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Other Title
  • 麻酔管理面からみた術中CTのシミュレーションによる検討

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A helical computed tomography (CT) has been introduced in our operating room for intraoperative CT. We examined several points of anesthetic management during intraoper-ative CT. Measurements of a scatter dose were made in a CT room. The scatter dose was 5.6μSv/lscan at 1.5m from the phantom, and maximum scatter doses were noted at scatter-ing angles between 45° and 135°. A lead gown and a protective screen reduced the radiation dose to 13.4% and 1.6%, respectively. On simulation of anesthetic management for intra-cranial surgery, a radiation screen reduced the radiation dose to 8%. Simulation of every surgical position was performed, and the arrangements of apparatus in a CT room (i.e. a surgical bed, an anesthetic apparatus, etc.) were decided. Moreover, the respiratory circuit was changed to an elastic and flexible circuit (RX Circuit, Intertec Resources Inc.).<br>Measurements of a scatter dose and simulation of intraoperative CT were useful for preparation of a manual, and consequently they have made it possible for us to carry out intraoperative CT rapidly, smoothly and safely.

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