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Exploring maternal hydration status for safe and healthy pregnancy outcomes

Research Project

Project/Area Number 23593365
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Research Field Lifelong developmental nursing
Research InstitutionResearch Institute, International Medical Center of Japan

Principal Investigator

NAKADA Kaori  独立行政法人国立国際医療研究センター, 国立看護大学校, 准教授 (70469980)

Co-Investigator(Renkei-kenkyūsha) HORIUCHI Shigeko  聖路加看護大学, 看護学部, 教授 (70157056)
NAKAMURA Sachiyo  慶応義塾大学, 看護学部, 講師 (10439515)
Project Period (FY) 2011 – 2013
Project Status Completed (Fiscal Year 2013)
Budget Amount *help
¥5,200,000 (Direct Cost: ¥4,000,000、Indirect Cost: ¥1,200,000)
Fiscal Year 2013: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000)
Fiscal Year 2012: ¥1,690,000 (Direct Cost: ¥1,300,000、Indirect Cost: ¥390,000)
Fiscal Year 2011: ¥2,470,000 (Direct Cost: ¥1,900,000、Indirect Cost: ¥570,000)
Keywords体水分 / 妊婦 / 生体インピーダンス / 助産学 / 基礎研究 / 体水分バランス / 健康
Research Abstract

This prospective cohort study explored indices for evaluating maternal hydration status. The indices included bioimpedance values that were evaluated using a multifrequency bioelectrical impedance analyzer. Data from 332 participants, who were healthy singleton pregnant women, were analyzed.
Higher resistance (R) values or higher hemoglobin (Hb) values, suggesting lower hydration status and lower plasma volumes, were found in a "suspected preterm labor (SPTL)" and a "low birth weight (LBW)" groups. Lower R values and higher Hb values, suggesting higher hydration status and lower plasma volumes, were found in a "elevated blood pressure after 34-36 weeks of gestation through to delivery (EBP)" group. Possible correlations of indices, related to maternal hydration status, with negative pregnancy outcomes were found in this study. Future studies are needed to explore the indices for evaluating maternal hydration status and for indicating healthy pregnancy outcomes.

Report

(4 results)
  • 2013 Annual Research Report   Final Research Report ( PDF )
  • 2012 Research-status Report
  • 2011 Research-status Report
  • Research Products

    (8 results)

All 2014 2013 2012

All Journal Article (2 results) (of which Peer Reviewed: 2 results) Presentation (6 results)

  • [Journal Article] 生体インピーダンス法による体水分と妊娠・分娩異常との関連:パイロット・スタディ2013

    • Author(s)
      中田かおり
    • Journal Title

      日本助産学会誌

      Volume: 27巻 Pages: 100-110

    • NAID

      130004505941

    • Related Report
      2013 Final Research Report
    • Peer Reviewed
  • [Journal Article] 生体インピーダンス法による体水分と妊娠・分娩異常との関連:パイロット・スタディ2013

    • Author(s)
      中田かおり
    • Journal Title

      日本助産学会誌

      Volume: 27

    • NAID

      130004505941

    • Related Report
      2012 Research-status Report
    • Peer Reviewed
  • [Presentation] 妊婦の生体インピーダンスと妊娠・分娩異常との関連2014

    • Author(s)
      中田かおり、堀内成子
    • Organizer
      第28回日本助産学会学術集会
    • Place of Presentation
      長崎
    • Year and Date
      2014-03-22
    • Related Report
      2013 Final Research Report
  • [Presentation] The possibility of bioelectrical impedance analysis as an assessment tool for maternal hydration status2014

    • Author(s)
      Kaori Nakada
    • Organizer
      The 30th International Congress of Midwives
    • Place of Presentation
      Prague, Czech Republic
    • Related Report
      2013 Final Research Report
  • [Presentation] 妊婦の生体インピーダンスと妊娠・分娩異常との関連2014

    • Author(s)
      中田かおり、堀内成子
    • Organizer
      第28回日本助産学会学術集会
    • Place of Presentation
      長崎ブリックホール(長崎県長崎市)
    • Related Report
      2013 Annual Research Report
  • [Presentation] The possibility of bioelectrical impedance analysis as an assessment tool for maternal hydration status2014

    • Author(s)
      中田かおり
    • Organizer
      The 30th International Congress of Midwives Prague 2014
    • Place of Presentation
      プラハコングレスセンター(チェコ共和国プラハ)
    • Related Report
      2013 Annual Research Report
  • [Presentation] 生体インピーダンス値と妊娠・分娩経過との関連:妊婦の体水分評価の視点から2012

    • Author(s)
      中田かおり
    • Organizer
      第53回日本母性衛生学会学術集会
    • Place of Presentation
      福岡
    • Year and Date
      2012-11-17
    • Related Report
      2013 Final Research Report
  • [Presentation] 生体インピーダンス値と妊娠・分娩経過との関連:妊婦の体水分評価の視点から2012

    • Author(s)
      中田かおり
    • Organizer
      第53回母性衛生学会学術集会
    • Place of Presentation
      アクロス福岡(福岡県)
    • Related Report
      2012 Research-status Report

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Published: 2011-08-05   Modified: 2019-07-29  

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