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Physiological and pharmacological mechanism of pregnancy-induced analgesia in rats and human

Research Project

Project/Area Number 19591774
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeSingle-year Grants
Section一般
Research Field Anesthesiology/Resuscitation studies
Research InstitutionAsahikawa Medical College

Principal Investigator

IWASAKI Hiroshi  Asahikawa Medical College, 医学部, 教授 (70223386)

Co-Investigator(Kenkyū-buntansha) FUJITA Satoshi  旭川医科大学, 医学部, 准教授 (10173428)
MAMIYA Keiko  旭川医科大学, 医学部, 講師 (80231603)
Project Period (FY) 2007 – 2008
Project Status Completed (Fiscal Year 2008)
Budget Amount *help
¥3,900,000 (Direct Cost: ¥3,000,000、Indirect Cost: ¥900,000)
Fiscal Year 2008: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000)
Fiscal Year 2007: ¥2,860,000 (Direct Cost: ¥2,200,000、Indirect Cost: ¥660,000)
Keywords内因性鎮痛 / GABA受容体 / NMDA受容体 / 妊娠
Research Abstract

妊娠ラットを用いて分娩直前にのみ疼痛閾値の上昇が内臓性および体性侵害刺激にて確認され、この疼痛閾値の上昇が麻薬拮抗薬ナロキソンおよびα2受容体作拮抗薬にて影響うけることが示され、妊娠にともなう内因性鎮痛機序にはオピオイド系のみならずカテコラミン系も関与している可能性が示唆された。また、このような妊娠に伴う内因性鎮痛機序がヒト妊婦にても認められるかを最近用いられるようになった疼痛アナライザーにより検討し、ヒト妊婦にても同様な機序が発現していることを確認した。今後はこの現象をリウマチなどの慢性疼痛疾患やがん性疼痛管理に応用していきたい。

Report

(3 results)
  • 2008 Annual Research Report   Final Research Report ( PDF )
  • 2007 Annual Research Report
  • Research Products

    (3 results)

All 2008

All Presentation (3 results)

  • [Presentation] Pain visionを用いた妊婦の疼痛閾値の測定2008

    • Author(s)
      太田みさき、間宮敬子、上野恵、高畑 治、岩崎寛
    • Organizer
      日本臨床麻酔学会
    • Place of Presentation
      国立京都国際会議場
    • Year and Date
      2008-11-21
    • Related Report
      2008 Annual Research Report 2008 Final Research Report
  • [Presentation] Assessing preoperative stress among unpremedicated infants using salivary amylase activity monitor2008

    • Author(s)
      Kikuchi C, Mamiya K, Sasakawa T, Iwasaki H
    • Organizer
      America Society of Anesthesiologisits
    • Place of Presentation
      Orland, USA
    • Year and Date
      2008-10-18
    • Related Report
      2008 Final Research Report
  • [Presentation] Assessing preoperative stress among unpremedicated infa nts using salivary amylase activity monitor2008

    • Author(s)
      Kikuchi C, Mamiya K, Sas akawa T, Iwasaki H
    • Organizer
      America Society of Anesthesiologisits
    • Place of Presentation
      Orland, USA
    • Year and Date
      2008-10-18
    • Related Report
      2008 Annual Research Report

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Published: 2007-04-01   Modified: 2016-04-21  

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