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Physiological monitoring to predict postoperative delirium

Research Project

Project/Area Number 19K18308
Research Category

Grant-in-Aid for Early-Career Scientists

Allocation TypeMulti-year Fund
Review Section Basic Section 55050:Anesthesiology-related
Research InstitutionToho University

Principal Investigator

SATOMOTO Maiko  東邦大学, 医学部, 准教授 (10611551)

Project Period (FY) 2019-04-01 – 2023-03-31
Project Status Completed (Fiscal Year 2022)
Budget Amount *help
¥4,290,000 (Direct Cost: ¥3,300,000、Indirect Cost: ¥990,000)
Fiscal Year 2021: ¥780,000 (Direct Cost: ¥600,000、Indirect Cost: ¥180,000)
Fiscal Year 2020: ¥780,000 (Direct Cost: ¥600,000、Indirect Cost: ¥180,000)
Fiscal Year 2019: ¥2,730,000 (Direct Cost: ¥2,100,000、Indirect Cost: ¥630,000)
Keywordsせん妄 / 心電図 / 予測 / 生理機能 / 瞳孔計 / モニタリング
Outline of Research at the Start

本研究は、術後せん妄の発症を予防する新たな方法を確立することを目的としている。術後せん妄は、入院期間や退院後の生活の質 (QOL) に大きく影響を及ぼす。
申請者はこれまでの研究で、食道がんの予定手術患者の手術前夜の心電図計測によって、術後せん妄の予測が立てられる可能性を示した。今回は上記の予備的なデータを確実なものであるか再検証すると同時に、心電図、瞳孔計測からせん妄予測方程式を作成する。続いて術前心電図で自律神経の偏りが認められた患者に対し、メラトニン・アゴニストであるラメルテオンを内服させ、術後せん妄の発生頻度を減少させられるかどうかの介入研究を行う。

Outline of Final Research Achievements

The complication of postoperative delirium is directly linked to prognosis, leading to prolonged hospital stays and an increase in mortality. Since there is no magic medicine that cures delirium and the development of simple tools that enable the early assessment of the risk is valuable. Heart rate variability (HRV) is calculated based on the fluctuation of RR intervals on electrocardiogram (ECG). The HF component is considered a reflection of parasympathetic function. Then we recorded resting HRV in patients scheduled for cardiac surgery on the night before surgery. In the analysis of HRV, the HF component was significantly lower in the group with delirium compared to the group without delirium. Based on our findings, in patients with postoperative delirium, the activity of parasympathetic nerves was lower than before surgery, and we concluded that it is possible to predict the onset of postoperative delirium based on preoperative ECG measurement.

Academic Significance and Societal Importance of the Research Achievements

術後せん妄予測ツールの開発をテーマに研究を行い、術前から副交感神経を反映すると考えられているHF (High Frequency) の低下が認められることを世界で初めて発見した。研究を進める中で学会参加や発表をして情報収集も行った。この間、国際学会での発表が3回、国内学会での発表が3回(うち3題優秀演題)、さらに麻酔科学会及び関連学会でシンポジストとして術後せん妄の講演および教育講演も行った。心拍変動は心電図から算出され非侵襲な生体モニターであり、広くベッドサイドモニターとして普及している。心拍変動の解析は自動出力可能で、より一般的に広まり患者の安全に寄与できることが想定される。

Report

(5 results)
  • 2022 Annual Research Report   Final Research Report ( PDF )
  • 2021 Research-status Report
  • 2020 Research-status Report
  • 2019 Research-status Report
  • Research Products

    (35 results)

All 2023 2022 2021 2020 2019

All Journal Article (18 results) (of which Int'l Joint Research: 2 results,  Peer Reviewed: 18 results,  Open Access: 7 results) Presentation (17 results) (of which Int'l Joint Research: 6 results,  Invited: 3 results)

  • [Journal Article] Predicting Postoperative Emergence Delirium From the Heart Rate Variability of Patients Undergoing Elective Cardiac Surgery2023

    • Author(s)
      Satomoto M
    • Journal Title

      Cureus.

      Volume: 15

    • DOI

      10.7759/cureus.34613

    • Related Report
      2022 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] Unilateral transversus abdominis plane block reduced dose of remifentanil during peritoneal dialysis catheter implantation2022

    • Author(s)
      Adachi Y, Satomoto M, Kuroiwa K.
    • Journal Title

      Eur J Anaesthesiology

      Volume: 39 Pages: 81-81

    • Related Report
      2022 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Predicting postoperative delirium from the heart rate variability of patients in elective cardiac surgery2022

    • Author(s)
      Satomoto M, Hasegawa M, Adachi YU.
    • Journal Title

      Eur J Anaesthesiology

      Volume: 39 Pages: 131-131

    • Related Report
      2022 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Changes in Postoperative Analgesia2022

    • Author(s)
      Satomoto M
    • Journal Title

      IntechOpen

      Volume: -

    • DOI

      10.5772/intechopen.109771

    • ISBN
      9781837686018, 9781837686025
    • Related Report
      2022 Annual Research Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] LiDCO Rapid V3を用いた血行動態モニタリング2022

    • Author(s)
      里元麻衣子
    • Journal Title

      日本臨床麻酔学会誌

      Volume: 42 Pages: 44-49

    • Related Report
      2021 Research-status Report
    • Peer Reviewed
  • [Journal Article] Madelung病患者に対する麻酔経験2022

    • Author(s)
      里元麻衣子
    • Journal Title

      臨床麻酔

      Volume: 45 Pages: 1467-1467

    • Related Report
      2021 Research-status Report
    • Peer Reviewed
  • [Journal Article] Postoperative Acute Kidney Injury Associated with Anesthesia Induction in Extremely Hypertensive Patients Undergoing Elective Non-Cardiac Surgery2021

    • Author(s)
      Morozumi K, Satomoto M, Hanai Y, Ochiai R, Kotake Y
    • Journal Title

      Toho Journal of Medicine

      Volume: 7 Issue: 1 Pages: 20-28

    • DOI

      10.14994/tohojmed.2020-018

    • NAID

      120006976156

    • ISSN
      21891990
    • URL

      https://toho.repo.nii.ac.jp/records/2002959

    • Year and Date
      2021-03-01
    • Related Report
      2020 Research-status Report
    • Peer Reviewed
  • [Journal Article] Preoperative heart rate variability analysis is as a potential simple and easy measure for predicting perioperative delirium in esophageal surgery2021

    • Author(s)
      Echizen Mayumi、Satomoto Maiko、Miyajima Miho、Adachi Yushi、Matsushima Eisuke
    • Journal Title

      Annals of Medicine and Surgery

      Volume: 70 Pages: 102856-102856

    • DOI

      10.1016/j.amsu.2021.102856

    • Related Report
      2021 Research-status Report
    • Peer Reviewed / Open Access
  • [Journal Article] Erector spinae plane block for back surgery2021

    • Author(s)
      Satomoto Maiko、Adachi Yushi U.
    • Journal Title

      Journal of Anesthesia

      Volume: 36 Issue: 1 Pages: 160-160

    • DOI

      10.1007/s00540-021-03001-y

    • Related Report
      2021 Research-status Report
    • Peer Reviewed
  • [Journal Article] JM-1232(−) and propofol, a new combination of hypnotics with short-acting and non-cumulative preferable properties2021

    • Author(s)
      Taharabaru S, Tamura T, Higashi M, Matsuda N, Satomoto M, Adachi YU, Sato AB, Okuda M.
    • Journal Title

      Experimental Animals

      Volume: 70 Issue: 1 Pages: 101-107

    • DOI

      10.1538/expanim.20-0071

    • NAID

      130007981778

    • ISSN
      0007-5124, 1341-1357, 1881-7122
    • Related Report
      2021 Research-status Report 2020 Research-status Report
    • Peer Reviewed / Open Access
  • [Journal Article] Ketamine Anesthesia in Electroconvulsive Therapy2021

    • Author(s)
      Satomoto M.
    • Journal Title

      IntechOpen

      Volume: 18

    • DOI

      10.5772/intechopen.101365

    • ISBN
      9781839627927, 9781839627934
    • Related Report
      2021 Research-status Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] Pregabalin-induced hypoglycemia in a dialysis patient.2020

    • Author(s)
      Tamura T, Adachi YU, Satomoto M.
    • Journal Title

      Korean J Anesthesiol .

      Volume: 73 Issue: 6 Pages: 570-571

    • DOI

      10.4097/kja.20368

    • Related Report
      2020 Research-status Report
    • Peer Reviewed / Open Access
  • [Journal Article] Aspiration of massive free air from a large bore intravenous catheter sheath: A case report2020

    • Author(s)
      Tamura T, Takakura M, Adachi YU, Satomoto M.
    • Journal Title

      Radiol Case Rep .

      Volume: 15 Issue: 10 Pages: 1777-1780

    • DOI

      10.1016/j.radcr.2020.07.023

    • Related Report
      2020 Research-status Report
    • Peer Reviewed / Open Access
  • [Journal Article] 経鼻挿管全身麻酔術後に広範な左軟口蓋血種を認めた1症例2020

    • Author(s)
      飯島 香子, 里元 麻衣子, 長澤 実佳, 高橋 悦子, 小澤 純子, 武田 吉正
    • Journal Title

      臨床麻酔

      Volume: 44 Pages: 1245-1246

    • Related Report
      2020 Research-status Report
    • Peer Reviewed
  • [Journal Article] 合併症の報告と集計2020

    • Author(s)
      里元麻衣子、足立裕史
    • Journal Title

      臨床麻酔

      Volume: 44 Pages: 1652-1652

    • Related Report
      2020 Research-status Report
    • Peer Reviewed
  • [Journal Article] Characteristics of Postoperative Delirium in Intensive Care Unit using Heart Rate Variability (HRV) in Night Time Recording.2019

    • Author(s)
      Satomoto M, Echizen M, Miyajima M, Adachi YU, Matsushima E, Ochiai R.
    • Journal Title

      Eur J Anaesthesiol.

      Volume: 36(e-supple 57) Pages: 233-233

    • Related Report
      2019 Research-status Report
    • Peer Reviewed
  • [Journal Article] 硬膜穿刺後頭痛(PDPH)を生じた術後患者にPL顆粒が著効した2症例2019

    • Author(s)
      里元麻衣子、長澤実佳、小澤純子、落合亮一
    • Journal Title

      臨床麻酔

      Volume: 43 Pages: 1505-1506

    • Related Report
      2019 Research-status Report
    • Peer Reviewed
  • [Journal Article] 維持量のデクスメデトミジンでMotor-evoked Potential (MEP) の低下を認めた症例2019

    • Author(s)
      中込尚子、藤原秀憲、里元麻衣子、落合亮一
    • Journal Title

      臨床麻酔

      Volume: 43 Pages: 1129-1130

    • Related Report
      2019 Research-status Report
    • Peer Reviewed
  • [Presentation] Predicting postoperative delirium from the heart rate variability of patients in elective cardiac surgery2022

    • Author(s)
      Satomoto M, Hasegawa M, Adachi YU.
    • Organizer
      Euroanaesthesia 2022
    • Related Report
      2022 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Unilateral transversus abdominis plane block reduced the dose of remifentanil during peritoneal dialysis catheter implantation2022

    • Author(s)
      Adachi YU, Satmoto M
    • Organizer
      Euroanaesthesia 2022
    • Related Report
      2022 Annual Research Report
    • Int'l Joint Research
  • [Presentation] 超高齢者の大手術 高齢者の術後神経障害2022

    • Author(s)
      里元麻衣子
    • Organizer
      日本麻酔科学会第69回学術集会
    • Related Report
      2022 Annual Research Report
    • Invited
  • [Presentation] 非心臓予定手術患者における、手術室入室時の異常高血圧が予後に与える影響2022

    • Author(s)
      里元麻衣子, 両角幸平, 長谷川誠†, 落合亮一
    • Organizer
      日本麻酔科学会第69回学術集会
    • Related Report
      2022 Annual Research Report
  • [Presentation] 第3大臼歯の抜歯術中に間欠投与するミダゾラムの血中濃度は想定以上に高まる可能性がある: 薬物動態シミュレーションによる検討2022

    • Author(s)
      足立裕史, 田原春早織, 佐藤(朴)會士, 小柴真一, 里元麻衣子
    • Organizer
      日本麻酔科学会第69回学術集会
    • Related Report
      2022 Annual Research Report
  • [Presentation] 術後死亡患者の術前麻酔困難項目との関係2022

    • Author(s)
      里元麻衣子、長谷川誠、落合亮一
    • Organizer
      第42回日本臨床麻酔学会
    • Related Report
      2022 Annual Research Report
  • [Presentation] 片側の腹横筋膜面腹膜ブロックは透析カテーテル留置術施行時のレミフェンタニル投与量を減じる2022

    • Author(s)
      足立裕史, 里元麻衣子
    • Organizer
      日本麻酔科学会第69回学術集会
    • Related Report
      2022 Annual Research Report
  • [Presentation] 東海北陸地方の麻酔科学術活動に関する計量書誌学的考察2021

    • Author(s)
      足立 裕史, 里元 麻衣子
    • Organizer
      日本麻酔科学会 東海・北陸支部第19回学術集会
    • Related Report
      2021 Research-status Report
  • [Presentation] 東アジア3国の麻酔科学術活動に関する計量書誌学的考察2021

    • Author(s)
      足立 裕史, 里元 麻衣子
    • Organizer
      第41回日本臨床麻酔学会
    • Related Report
      2021 Research-status Report
  • [Presentation] Deformities of Arterial Catheter in Perioperative Period: Preliminary Observation2021

    • Author(s)
      Adachi YU, Satomoto M.
    • Organizer
      2021 Euroanaesthesia
    • Related Report
      2021 Research-status Report
    • Int'l Joint Research
  • [Presentation] Prophylactic Administration of Ephedrine against Orthostatic Hypotension Immediately after Dental Treatment with Dexmedetomidine Sedation2021

    • Author(s)
      Adachi U, Tamura T, Koshiba S, Satomoto M.
    • Organizer
      2021 American Society of Anesthesiology Annual meeting
    • Related Report
      2021 Research-status Report
    • Int'l Joint Research
  • [Presentation] 教育講演 術後せん妄予測2020

    • Author(s)
      里元麻衣子
    • Organizer
      第31回日本臨床モニター学会総会
    • Related Report
      2020 Research-status Report
    • Invited
  • [Presentation] 優秀演題 予定心臓手術患者の心拍変動から術後せん妄の予測が可能である2020

    • Author(s)
      里元麻衣子 長谷川誠 足立裕史 桝谷直司 落合亮一
    • Organizer
      第24回神経集中治療学会
    • Related Report
      2020 Research-status Report
  • [Presentation] 教育講演5 LiDCOを用いた血行動態モニタリング2020

    • Author(s)
      里元麻衣子
    • Organizer
      第40回日本臨床麻酔学会
    • Related Report
      2020 Research-status Report
    • Invited
  • [Presentation] 術後せん妄診断患者の夜間HRV(Heart Rate Variability)の検討2019

    • Author(s)
      里元麻衣子、越膳真弓、足立裕史、宮島美穂、松島英介、落合亮一
    • Organizer
      第30回日本臨床モニター学会総会
    • Related Report
      2019 Research-status Report
  • [Presentation] Characteristics of Postoperative Delirium in Intensive Care Unit using Heart Rate Variability (HRV) in Night Time Recording2019

    • Author(s)
      Maiko Satomoto, Mayumi Echizen, Miho Miyajima, Yushi Adachi, Eisuke Matsushima, Ryoichi Ochia
    • Organizer
      2019 Euroanesthesia
    • Related Report
      2019 Research-status Report
    • Int'l Joint Research
  • [Presentation] 術後せん妄診断患者の眼球運動およびCAM-ICUの感度特異度の検討2019

    • Author(s)
      里元麻衣子
    • Organizer
      神経集中治療学会
    • Related Report
      2019 Research-status Report
    • Int'l Joint Research

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Published: 2019-04-18   Modified: 2024-01-30  

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