| Project/Area Number |
17K17471
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| Research Category |
Grant-in-Aid for Young Scientists (B)
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| Allocation Type | Multi-year Fund |
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| Research Field |
Lifelong developmental nursing
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| Research Institution | Kagawa University |
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Principal Investigator |
Suzuki Mayu 香川大学, 医学部, 助教 (10786528)
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| Project Period (FY) |
2017-04-01 – 2021-03-31
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| Project Status |
Completed (Fiscal Year 2020)
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| Budget Amount *help |
¥2,600,000 (Direct Cost: ¥2,000,000、Indirect Cost: ¥600,000)
Fiscal Year 2019: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
Fiscal Year 2018: ¥780,000 (Direct Cost: ¥600,000、Indirect Cost: ¥180,000)
Fiscal Year 2017: ¥650,000 (Direct Cost: ¥500,000、Indirect Cost: ¥150,000)
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| Keywords | カンガルーケア / 新生児集中治療室 / 早産児 / 低出生体重児 / 心拍変動 / 愛着形成 / 母子 / NIRS / 脳血流 / 家族看護学 / NICU |
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| Outline of Final Research Achievements |
The LF (Low Frequency)/HF (High Frequency) ratio was calculated from the heart rate data of four preterm and low-birth-weight infants at the time when kangaroo care was not started, at the time when kangaroo care (the first, second, and third times) was performed, and at 30 minutes to 1 hour before each time. The LF/HF ratio is calculated from the R-R interval of the heart rate and decreases when parasympathetic activity increases and increases when sympathetic activity increases.
The LF/HF ratio during kangaroo care (3.0-6.3) decreased 7 times out of 11 compared to the LF/HF ratio during the period when kangaroo care was not started (5.0-7.5). Compared with the LF/HF ratio immediately before kangaroo care (3.0-8.9), the LF/HF ratio during kangaroo care (3.0-6.0) decreased 7 out of 11 times.
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| Academic Significance and Societal Importance of the Research Achievements |
新生児集中治療室で行われている，親が子を肌と肌で触れあうように抱くカンガルーケアは，児の死亡率の低下や体重減少を防ぎ，親と子の愛着を促進するとされている．早産児・低出生体重児の自律神経におけるカンガルーケアの影響を確認しようと検討したが，症例数が少なく，いくつかの例ではカンガルーケアにおける副交感神経活動の亢進を認めたが，明らかな結論は得られなかった．更に症例を増やし，検討を続ける必要がある．
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