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Perioperative changes in histidine-rich glycoprotein

Research Project

Project/Area Number 19K18297
Research Category

Grant-in-Aid for Early-Career Scientists

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

Principal Investigator

Kuroda Kosuke  岡山大学, 医歯薬学域, 助教 (50624409)

Project Period (FY) 2019-04-01 – 2023-03-31
Project Status Completed (Fiscal Year 2022)
Budget Amount *help
¥4,030,000 (Direct Cost: ¥3,100,000、Indirect Cost: ¥930,000)
Fiscal Year 2021: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
Fiscal Year 2020: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Fiscal Year 2019: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
Keywords高ヒスチジン糖タンパク / HRG / 術後合併症 / バイオマーカー / 周術期管理 / ELISA
Outline of Research at the Start

我々は、高ヒスチジン糖タンパクHistidine-Rich Glycoprotein (HRG)に注目している。我々
は先行研究として集中治療室の患者でHRG値を測定し、患者群ではHRGが低下していること、そしてHRGが敗血症の診断マーカーとなり得る、さらに死亡予測を含めた重症度マーカーとして用い得るとの成績を得ている。本研究では、さまざまな手術を受ける患者を対象とし、手術前後にHRG値を測定することで推移を調べ、侵襲によって生じるHRGの変動を明らかにする。またその値と、全身状態や術後合併症の発生、在院日数やコストなどを比較検討し、周術期バイオマーカーとしてのHRGを調査する。

Outline of Final Research Achievements

This study aimed to evaluate the perioperative changes of histidine-rich glycoprotein (HRG) level and the usefulness of HRG as a biomarker for predicting postoperative complications.
A prospective observational study included 150 adult patients who were admitted to the intensive care unit after surgery. The HRG levels on postoperative day 1 were significantly lower in patients who developed postoperative complications than in those who did not develop postoperative complications. HRG was independent predictor of postoperative complications after adjustment.
The HRG levels on postoperative day 1 could predict postoperative complications. Hence, HRG may be a useful biomarker for predicting postoperative complications.

Academic Significance and Societal Importance of the Research Achievements

今回術後患者における高ヒスチジン糖タンパク(Histidine-rich glycoprotein: HRG)を評価した。手術後に合併症が発生した患者群でHRGはより低値であるとの結果を得た。また、HRG値と術後合併症発生とに有意な関連を認め、HRGは術後合併症予測マーカーとして活用できる可能性があると考えられた。これら周術期のHRGに関する知見は、今までに報告がないものであり、国際学会での発表と、論文発表を行った。

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

    (2 results)

All 2022 2021

All Journal Article (1 results) (of which Peer Reviewed: 1 results,  Open Access: 1 results) Presentation (1 results) (of which Int'l Joint Research: 1 results)

  • [Journal Article] Histidine-rich glycoprotein as a novel predictive biomarker of postoperative complications in intensive care unit patients: a prospective observational study2022

    • Author(s)
      Oiwa Masahiko、Kuroda Kosuke、Kawanoue Naoya、Morimatsu Hiroshi
    • Journal Title

      BMC Anesthesiology

      Volume: 22 Issue: 1

    • DOI

      10.1186/s12871-022-01774-7

    • Related Report
      2022 Annual Research Report
    • Peer Reviewed / Open Access
  • [Presentation] Histidine-Rich Glycoprotein as a Novel Biomarker to Predict Postoperative Complications.2021

    • Author(s)
      Oiwa M, Kuroda K, Kawanoue N, Morimatsu H
    • Organizer
      34th Annual Congress of European Society of Intensive Care Medicine
    • Related Report
      2021 Research-status Report
    • Int'l Joint Research

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

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