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A Study about the Application and Practical Use of Intraoperative Brain Function Monitoring System

Research Project

Project/Area Number 12671362
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeSingle-year Grants
Section一般
Research Field Cerebral neurosurgery
Research InstitutionThe University of Tokushima

Principal Investigator

SHICHIJO Fumio  The University of Tokushima, School of Medicine, Associate Professor, 医学部, 助教授 (20145022)

Co-Investigator(Kenkyū-buntansha) KINOUCHI Yosuke  The University of Tokushima, School of Medicine, Professor, 工学部, 教授 (80035807)
UNO Masaaki  The University of Tokushima, School of Medicine, Assistant Professor, 医学部, 講師 (90232884)
NAGAHIRO Shinji  The University of Tokushima, School of Medicine, Professor, 医学部, 教授 (60145315)
AKUTAGAWA Masatake  The University of Tokushima, School of Medicine, Assistant, 医学部, 助手 (90294727)
新野 清人  徳島大学, 医学部・附属病院, 講師 (80243690)
Project Period (FY) 2000 – 2001
Project Status Completed (Fiscal Year 2001)
Budget Amount *help
¥3,400,000 (Direct Cost: ¥3,400,000)
Fiscal Year 2001: ¥800,000 (Direct Cost: ¥800,000)
Fiscal Year 2000: ¥2,600,000 (Direct Cost: ¥2,600,000)
KeywordsEEG monitoring / EEG topography / real time processing / deviation ratio topography (DRT) / Microsoft Visual C++ 6.0 / Microsoft Windows / 術中モニタリング / 脳波 / コンピューター処理
Research Abstract

The idea of deviation ratio topography (DRT), devised by us in 1986 to detect the dynamic intraoperative EEC variations, was based on the EEC constancy that the individual pattern of EEG topography shows almost the same pattern in the same condition. The DRT mapping is made of the logarithmic ratio between the control data (C) and measured data (M) that is recorded on the same electrode under the different condition. The formula is as follows: logarithmic deviation ratio = log (M/C).
With this DRT system, not only the changes in frequency bands but also the spatial and sequential changes of EEG activities are visually evaluated statistically.
The clinical applications of the DRT were as follows : (1) the intraoperative monitoring, (2) the EEG monitoring during the physiological or mental task, (3) the pharmaco-EEG monitoring, and (4) the evaluation of EEG change after medication or operation.
Unfortunately, this useful software of DRT had been written with the Signal BASIC language which was equipped only in the machine of Signal Processor 7T18 and DPI 100 (NEC Medical Systems). Therefore the DRT system could be used only in the selected institute, which had those machines. This time we have composed the new software of Windows-based DRT system.
The new DRT system has been programd in the Windows OS (98/Me/NT/2000) with Microsoft Visual C++ 6.0, so it will become popular as one of the most useful EEG monitoring systems under various situations in near future. The EEG monitoring system with EEG topography, which was devised in the same idea like us, has not been reported in the world.

Report

(3 results)
  • 2001 Annual Research Report   Final Research Report Summary
  • 2000 Annual Research Report
  • Research Products

    (11 results)

All Other

All Publications (11 results)

  • [Publications] 中山択和: "術中脳機能モニターの開発"信学技報. MBE2001-37. 25-30 (2001)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2001 Final Research Report Summary
  • [Publications] Shichijo F: "ISBET 2001, Elsevier Science B.V."THE NEW WINDOWS-BASED DRT (DEVIATION RATIO TOPOGRAPHY) SYSTEM (in-press).

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2001 Final Research Report Summary
  • [Publications] Kaji Y: "ISBET 2001, Elsevier Science B.V."INTEGRATED EEG MONITORING SYSTEM OF BRAIN FUNCTIONS DURING OPERATIONS (in press).

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2001 Final Research Report Summary
  • [Publications] Nakayama H: "Development of Integrated EEG Monitoring System of Brain Functions During Operations"TECHNICAL REPORT OE lEICE. MBE2001-37. 25-30 (2001)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2001 Final Research Report Summary
  • [Publications] Shichijo F: "THE NEW WINDOWS-BASED DRT )DEVIATION RATIO TOPOGRAPHY) SYSTEM"ISBET 2001, Elsevier Science B.V.. (in press).

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2001 Final Research Report Summary
  • [Publications] Kaji Y: "INTEGRATED EEG MONITORING SYSTEM OF BRAIN FUNCTIONS DURING OPERATIONS"ISBET 2001, Elsevier Science B.V.. (in press).

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2001 Final Research Report Summary
  • [Publications] 中山択和: "術中脳機能モニターの開発"信学技報. MBE2001-37. 25-30 (2001)

    • Related Report
      2001 Annual Research Report
  • [Publications] Shichijo F: "ISBET 2001, Elsevier Science B. V."THE NEW WINDOWS-BASED DRT (DEVIATION RATIO TOPOGRAPHY) SYSTEM (in press).

    • Related Report
      2001 Annual Research Report
  • [Publications] Kaji Y: "ISTET 2001, Elsevier Science B. V."INTEGRATED EEG MONITORING SYSTEM OF BRAIN FUNCTIONS DURING OPERATIONS (in press).

    • Related Report
      2001 Annual Research Report
  • [Publications] 七條文雄,久保真一,永廣信治,瀧本理: "飲酒時の脳波変化-変化率二次元脳電図による解析-"日本薬物脳波学会雑誌. 2. 22-24 (2000)

    • Related Report
      2000 Annual Research Report
  • [Publications] 加治芳雄,中山拓和,芥川正武,七條文雄,長篠博文,木内陽介: "EEGによる脳機能診断支援システムの開発"平成12年電気関係学会四国支部連合大会講演論文集. 264 (2000)

    • Related Report
      2000 Annual Research Report

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Published: 2000-04-01   Modified: 2016-04-21  

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