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  5. 研究血府逐瘀湯併用血栓溶解劑rt-PA在大鼠自體血塊引發腦血管梗塞的加成效應
 
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研究血府逐瘀湯併用血栓溶解劑rt-PA在大鼠自體血塊引發腦血管梗塞的加成效應

Other Title
Investigation of the synergic effect of Xue Fu Zhu Yu Tang and rt-PA in rat thromboembolic stroke model
Type
thesis
Date Issued
2010-01-08
Author(s)
羅岳軍
Advisor
許準榕
Subjects
系所名稱:醫學科學研究所
Description
學位別:碩士
語文別:中文
指導教授:許準榕
共同指導教授:馮琮涵
口試委員:蕭哲志;張丞圭;李居仁
中文關鍵字:血府逐瘀湯;血栓溶解劑;腦梗塞;中風;中大腦動脈阻塞
Abstract
當供給腦組織養分的血管阻塞或破裂,導致腦細胞無法維持正常生理活性的情況,稱為「腦中風」(stroke)。腦中風是血管性疾病致死及發病的主要原因之ㄧ為國內十大疾病死因之第三位,也是國人失能的主要原因。腦中風依其產生的病理機轉分為缺血性(ischemic)與出血性(hemorrhagic)中風。因為血塊阻塞血流所引起的中風為
缺血性中風,發生率約佔所有腦中風病人的七至八成。由於中大腦動脈為人類缺血性腦中風最容易發生之部位,因此,大鼠自體血塊引發中大腦動脈血管阻塞/再灌流模式是目前最適合被應用於缺血性腦中風藥物研究的動物模式。
中醫藥傳統方劑在腦血管中風的臨床治療上已使用很久,活血化瘀法作為治療腦中風病人的基本治療在臨床中已廣泛應用;臨床上無論缺血性中風、出血性中風後遺症的病人,活血化瘀法是最常用的治療方法。血府逐瘀湯(Xue Fu Zhu Yu Tang)臨床多用於血瘀證的治療,具有極佳的功效,為中醫臨床廣泛使用的活血化瘀方劑之一。血府逐瘀湯根據近年來的研究文獻指出;具有降血壓,抗心律失常,抗動脈粥樣硬化,增加腦血流量,且血府逐瘀湯亦曾被證實能夠改善動物因心血管以及腦血管病變的微循環。
Recombinant tissue-type plasminogen activator (rt-PA)是目前唯一為美國FDA所核可的血栓溶解劑,在發生缺血性中風三個小時內投與rt-PA治療可以有效改善中風病患神經行為模式方面的損害,預後也較佳。
本論文評估血府逐瘀湯併用rt-PA對於中大腦動脈缺血再灌流動物模式所引起之傷害是否具有保護作用。另外進一步的探討該藥物是否具有抑制缺血性再灌流傷害所引起之發炎或是細胞凋亡反應的能力。
實驗結果顯示,血府逐瘀湯併用rt-PA能夠有意義地改善因缺血再灌流傷害所引起之行為能力下降及減少梗塞面積。從分子生物層面測試血府逐瘀湯併用rt-PA對神經傷害的保護機轉,經由西方墨點法發現,投與血府逐瘀湯併用rt-PA能夠減少iNOS和HIF-1?捖J白質表現及減少caspase-3的活化以及TNF-?捄o炎因子的表現。
URI
https://203.71.86.71/handle/123456789/13293

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