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題 名 | The Time-Frequency Analysis of the Pudendo-to-Pudendal Nerve and Pelvic-to-Pudendal Nerve Reflexes in Anesthetized Intact Rats=正常大白鼠會陰至會陰神經與骨盆至會陰神經反射路徑之時間空間分析 |
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作 者 | 張慧怡; 彭志維; 陳家進; 程千里; | 書刊名 | Journal of Medical and Biological Engineering |
卷 期 | 24:1 2004.03[民93.03] |
頁 次 | 頁17-22 |
分類號 | 364.6791 |
關鍵詞 | 膀胱; 骨盆神經; 會陰神經; 時間空間分析; Bladder; Pelvic nerve; Pudendal nerve; Time-frequency analysis; |
語 文 | 英文(English) |
中文摘要 | 下泌尿道主要的功能是儲尿與間期性排尿,要完成這兩項功能有賴於大腦與脊髓,複雜神經系統協調運作,產生下泌尿道組功能單位結構協調性的活動,包括蓄尿池(膀胱)及出口(膀胱頸、下泌尿道、尿道括約肌),正常狀況下這兩部分呈現相互結抗的活動。以上這些器官由三組不同周邊神經調控,包括薦髓副交感神經(骨盆神經)、支配膀胱頸與前列線的胸腰髓交感神經(下腹神經),以及支外尿道闊約肌的薦髓體神經(會陰神經)。膀胱與外尿道括約肌之間的互動,是由膀胱或尿道發出傳入訊息然後興奮腰薦脊髓間的反射路徑的調控 。膀胱的傳入軸突通過骨盆神經,然而尿道的傳入軸突同時會過骨盆神經與會陰神經。首先,本研究進行驗證調控膀胱與外尿道括約肌的神經反射,我們將比較膀胱傳入訊息至會陰神經的反射(骨盆-會陰神經反射)以及會陰傳入訊息至會陰神經的反射(會陰-會陰神經反射)兩種反射的特性。在資料分析上最後,我們利用時間頻率分析程式,進行驗證骨盆-陰部神經反射的訊號成分。骨盆-陰部神經反射的分析結果顯示有兩個頻帶組成包括低頻神經訊號(小於50赫茲)與高頻神經訊號(50-100赫茲)。此外,由我們的結果顯示此分析方法可以更準確取得反射訊號的特性,應該是一個有用的方法用來分析下泌尿道神經訊號的成分。 |
英文摘要 | Two main functions of lower urinary tract, storage and periodic elimination of urine, are regulated by a complex neural control system located in the brain and spinal cord which coordinates the activity of the reservoir (urinary bladder) and the outlet (bladder neck, urethra and urethral sphincter). These organs are regulated by three sets of peripheral nerves: sacral parasympathetic (pelvic nerves), thoracolumber sympathetic nerves (hypogastric nerves) which innervate the bladder trigone and prostate, and sacral somatic nerves (pudendal nerves) which innervate external urethral sphincter (EUS). The relationship between the bladder and EUS is controlled by reflex pathways in the lumbosacral spinal cord that are activated by primary afferent input from the bladder or the urethra. This study was conducted to examine the reflexes that mediate bladder and sphincter coordination. We compared the properties of the pelvic nerve afferent to pudendal nerve reflex (pelvic-to-pudendal nerve reflex) and the pudendal nerve afferent to pudendal nerve reflex (pudendo-to-pudendal nerve reflex).For data analysis, we utilized the time-frequency analysis in Matlab to verify the components of pelvic-to-pudendal nerve reflex. The result of pelvic-to-pudendal nerve reflex indicates that there are two frequency bands: low-frequency nerve action potential low frequency (below 50 Hz) and high frequency nerve signal (50-100 Hz). Moreover, our result showed that the analytic method could extract the components in the reflex signals in lower urinary system. |
本系統中英文摘要資訊取自各篇刊載內容。