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Monitoring cerebral hemodynamics and neural activiity using TRS and EEG can predict the severity of brain injury in asphyxiated newborn piglet

Research Project

Project/Area Number 25860911
Research Category

Grant-in-Aid for Young Scientists (B)

Allocation TypeMulti-year Fund
Research Field Embryonic/Neonatal medicine
Research InstitutionKagawa University

Principal Investigator

Nakamura Shinji  香川大学, 医学部附属病院, 助教 (30437686)

Project Period (FY) 2013-04-01 – 2017-03-31
Project Status Completed (Fiscal Year 2016)
Budget Amount *help
¥3,640,000 (Direct Cost: ¥2,800,000、Indirect Cost: ¥840,000)
Fiscal Year 2015: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
Fiscal Year 2014: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
Fiscal Year 2013: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
Keywords新生仔豚 / 低酸素虚血 / 脳波抑制 / 脳血液量 / 低酸素性虚血性脳症 / GFAP / 白質障害 / 時間分解分光装置 / 脳波 / 低体温療法 / 低酸素虚血性脳症
Outline of Final Research Achievements

Monitoring cerebral neural suppression and hemodynamics using aEEG and Time resolved spectroscopy in asphyxiated piglet and HIE neonates.
The aim of this study is to examine the relationship between changes in cerebral blood volume (CBV) and and the low amplitude-integrated electroencephalography (aEEG) duration (LAEEG) after a HI insult. The following results had been reported. At first, there was a positive linear correlation between changes in cerebral blood volume and low-amplitude aEEG duration within 6h after HI insult. Secondly, asphyxiated piglets showed that their histopathological cerebral damages correlated with increase in CBV after HI insult. Furthermore, in clinical study, neonates with severe brain damage also showed increase in CBV within 12 h after birth compared with healthy neonates. Since, an early increase in CBV and longer LAEEG indicate severe brain injury.

Report

(5 results)
  • 2016 Annual Research Report   Final Research Report ( PDF )
  • 2015 Research-status Report
  • 2014 Research-status Report
  • 2013 Research-status Report
  • Research Products

    (10 results)

All 2017 2015 2014 2013 Other

All Journal Article (6 results) (of which Int'l Joint Research: 1 results,  Peer Reviewed: 6 results,  Open Access: 5 results,  Acknowledgement Compliant: 3 results) Presentation (4 results) (of which Int'l Joint Research: 1 results)

  • [Journal Article] Hypoxic-Ischemic Encephalopathy-Associated Liver Fatty Degeneration and the Effects of Therapeutic Hypothermia in Newborn Piglets.2017

    • Author(s)
      Kubo H, Shimono R, Nakamura S, Koyano K, Jinnai W, Yamato S, Yasuda S, Nakamura M, Tanaka A, Fujii T, Kanenishi K, Chiba Y, Miki T, Kusaka T, Ueno M.
    • Journal Title

      Neonatology

      Volume: 111 Issue: 3 Pages: 203-210

    • DOI

      10.1159/000450721

    • Related Report
      2016 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] Cerebral haemodynamic response to somatosensory stimulation in near-term fetal sheep2017

    • Author(s)
      1.Nakamura S, Walker D.W., Wong F.Y.
    • Journal Title

      J Physiol

      Volume: 595 Issue: 4 Pages: 1289-1303

    • DOI

      10.1113/jp273163

    • Related Report
      2016 Annual Research Report
    • Peer Reviewed / Int'l Joint Research / Acknowledgement Compliant
  • [Journal Article] Cerebral blood volume measurement using near-infrared time-resolved spectroscopy and histopathological evaluation after hypoxic-ischemic insult in newborn piglets.2015

    • Author(s)
      Nakamura M, Jinnai W, Hamano S, Nakamura S, Koyano K, Chiba Y, Kanenishi K, Yasuda S, Ueno M, Miki T, Hata T, Kusaka T.
    • Journal Title

      International Journal of Developmental Neuroscience

      Volume: 42 Issue: 1 Pages: 1-9

    • DOI

      10.1016/j.ijdevneu.2015.02.009

    • Related Report
      2014 Research-status Report
    • Peer Reviewed / Open Access / Acknowledgement Compliant
  • [Journal Article] Relationship between early changes in cerebral blood volume and electrocortical activity after hypoxic-ischemic insult in newborn piglets.2014

    • Author(s)
      Nakamura S, Kusaka T, Koyano K, Miki T, Ueno M, Jinnai W, Yasuda S, Nakamura M, Okada H, Isobe K, Itoh S.
    • Journal Title

      Brain Dev

      Volume: 36 Issue: 7 Pages: 563-571

    • DOI

      10.1016/j.braindev.2013.08.005

    • Related Report
      2014 Research-status Report 2013 Research-status Report
    • Peer Reviewed / Open Access
  • [Journal Article] Evaluation of cerebral circulation and oxygen metabolism in infants using near-infrared light.2014

    • Author(s)
      Kusaka T, Isobe K, Yasuda S, Koyano K, Nakamura S, Nakamura M, Ueno M, Miki T, Itoh S.
    • Journal Title

      Brain Dev.

      Volume: 36 Issue: 4 Pages: 277-283

    • DOI

      10.1016/j.braindev.2013.05.011

    • Related Report
      2014 Research-status Report
    • Peer Reviewed / Open Access
  • [Journal Article] Simultaneous measurement of cerebral hemoglobin oxygen saturation and blood volume in asphyxiated neonates by near-infrared time-resolved spectroscopy

    • Author(s)
      Nakamura S, Koyano K, Jinnai W, Hamano S, Yasuda S, Konishi Y, Kuboi T, Kanenishi K, Nishida T, Kusaka T
    • Journal Title

      Brain & Dev

      Volume: 37 Issue: 10 Pages: 925-932

    • DOI

      10.1016/j.braindev.2015.04.002

    • Related Report
      2014 Research-status Report
    • Peer Reviewed / Open Access / Acknowledgement Compliant
  • [Presentation] 新生仔豚を用いた新生児低酸素性虚血性脳症モデルにおける肝障害の病理組織学的検討.2015

    • Author(s)
      久保裕之
    • Organizer
      .第51回日本周産期・新生児医学会学術集会
    • Place of Presentation
      福岡
    • Year and Date
      2015-07-10
    • Related Report
      2015 Research-status Report
  • [Presentation] Relationship between cerebral hemodynamics after hypoxic_ischemic insult and cerebral metabolism in newborn piglet2015

    • Author(s)
      Saneyuki Yasuda
    • Organizer
      The 11th Congress of Asian Society for Pediatric Research
    • Place of Presentation
      大阪
    • Year and Date
      2015-04-15
    • Related Report
      2015 Research-status Report
    • Int'l Joint Research
  • [Presentation] Relationship between Early Changes in Cerebral Blood Volume and Electrocortical Activity after Hypoxic - Ischemic Insult in Newborn Piglets.2013

    • Author(s)
      Nakamura Shinji
    • Organizer
      The 9th Annual Conference for Asian Society for Paediatric Research
    • Place of Presentation
      Sarawak, Malaysia
    • Related Report
      2013 Research-status Report
  • [Presentation] Relationship between Early Changes in Cerebral Blood Volume and Electrocortical Activity after Hypoxic - Ischemic Insult in Newborn Piglets.2013

    • Author(s)
      Nakamura Shinji
    • Organizer
      International congress of pediatrics 2013
    • Place of Presentation
      Melbourne, Australia
    • Related Report
      2013 Research-status Report

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Published: 2014-07-25   Modified: 2019-07-29  

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