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  3. .博碩士學位論文
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  5. 早產兒心率變異性之分析研究
 
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早產兒心率變異性之分析研究

Type
thesis
Date Issued
2005
Author(s)
林彥雄
Advisor
劉立
邱泓文
Subjects
系所名稱: 醫學資訊研究所
Publisher
Graduate Institute of Biomedical Informatics / 醫學資訊研究所
Abstract
「心率變異性」乃是影響控制心臟之自主神經對於不同生理狀況反應的結果。對於早產兒心臟功能的變化影響之研究是一項比較少見之方向。藉由本研究能分析出早產兒心率變異性之特性、足月新生兒與早產兒間之差異性,以使早產兒疾病對於心臟功能之影響能獲得更詳細的資料,進而使早產兒疾病治療能有更多的幫助。
本研究將所有新生兒分成足月兒與早產兒兩組。自2004年11月起至2005年05月,於高雄榮民總醫院新生兒加護病房、小兒加護病房、及嬰兒室中,共有35個足月新生兒與22個早產兒合乎本研究之條件。
平均懷孕週數(mean gestational age):足月兒為38.739 ± 0.972週,早產兒為33.993 ± 3.482週(p<0.001);平均出生體重(mean birth body weight):足月兒為3196.34 ± 497.33公克,早產兒為1926.95 ± 503.43公克(p<0.001)。早產兒的平均RR interval與SDNN明顯比足月兒低(459.81 ± 38.28ms vs. 426.91 ± 39.86ms, p=0.004與32.56 ± 13.36ms vs. 21.13 ± 16.96ms, p=0.011)。而LF/HF的比值,早產兒比足月兒小(7.22 ± 5.69 vs. 4.45 ± 3.17, p=0.022)。
結果發現足月兒的心跳速率比早產兒低,心率穩定度亦比早產兒高;此一現象證實,隨著年齡增加而mean RR interval亦增加(即心跳速率下降),乃是副交感神經功能逐漸成熟,交感神經功能影響逐漸下降的結果。然而,本文以某醫學中心的案例研究卻發現早產兒的LF/HF值比足月兒來得低,可能由於早產兒的自主神經功能比起足月兒不成熟,此一逐漸成熟的過程將使心率變異性中LF/HF值逐漸上升。
URI
https://203.71.86.71/handle/123456789/8642
https://hdl.handle.net/11296/y6k9a8
File(s)
No Thumbnail Available
Name

C0173748.pdf

Size

7.93 MB

Format

Adobe PDF

Checksum

(MD5):a7d30b0effbb1f9da03fcbf837cc3051

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