缺血性卒中患者急性期血漿中細(xì)胞膜微粒水平的研究
發(fā)布時間:2018-05-06 14:42
本文選題:缺血性卒中 + 內(nèi)皮細(xì)胞膜微粒 ; 參考:《廣西醫(yī)科大學(xué)》2014年碩士論文
【摘要】:目的: 通過流式細(xì)胞技術(shù)檢測缺血性卒中患者急性期外周血血漿中細(xì)胞膜微粒(內(nèi)皮細(xì)胞膜微粒與血小板細(xì)胞膜微粒)的水平,并探討其在缺血性卒中急性期發(fā)生、發(fā)展中的意義和作用。 方法: 1、病例選擇:選取2013年3月至12月在我院神經(jīng)內(nèi)科住院的缺血性卒中患者(首次發(fā)病,持續(xù)時間2周以內(nèi),新入院)為研究對象,并排除腦炎、自身免疫性疾病、血液病、嚴(yán)重肝、腎功能障礙、惡性腫瘤及惡病質(zhì)等。共有84例納入實(shí)驗(yàn)組。對照組我們選取來我院門診體檢者40例,具備以下特點(diǎn):有一個或多個腦血管高危因素(如高血壓、糖尿病、冠心病、高血脂、吸煙等)且無卒中史。 2、實(shí)驗(yàn)分組:按NIHSS評分將實(shí)驗(yàn)組分為輕度腦梗死組52例(NIHSS≤5分)和中重度腦梗死組32例(NIHSS≥6分),選取40例性別、年齡相匹配的體檢者作為對照組。利用流式細(xì)胞儀技術(shù)檢測病例組與對照組血漿內(nèi)皮細(xì)胞膜微粒(APC-CD144+)與血小板細(xì)胞膜微粒(PE-CD41a+)水平。 3.統(tǒng)計學(xué)分析:數(shù)據(jù)以SPSS16.0軟件包處理,定量資料以均數(shù)±標(biāo)準(zhǔn)差(ˉx±S)表示,定性資料以計數(shù)或率表示。采用X2檢驗(yàn)、t檢驗(yàn)、方差分析(one-way ANOVA)進(jìn)行統(tǒng)計學(xué)分析,兩變量相關(guān)采用sperman秩相關(guān)。檢驗(yàn)水準(zhǔn)為α=0.05,以P<0.05認(rèn)為差別有統(tǒng)計學(xué)意義。 結(jié)果: 1.實(shí)驗(yàn)組血TCHO、HCY水平稍高于對照組,而血HDL-C水平低于對照組,,余基線資料比較差別無統(tǒng)計學(xué)意義(P>0.05) 2.實(shí)驗(yàn)組外周血血漿中內(nèi)皮細(xì)胞膜微粒(EMPs)與血小板細(xì)胞膜微粒(PMPs)水平明顯高于對照組(P<0.01) 3.經(jīng)NIHSS評分分組后,輕度腦梗死組與中重度腦梗死組血漿中EMPs和PMPs水平有顯著差異(P<0.05)且EMPs與PMPs水平的高低與缺血性卒中急性期的嚴(yán)重程度呈正相關(guān)(P<0.01,r=0.617),(P<0.01,r=0.535)。 結(jié)論: 1.缺血性卒中患者急性期外周血血漿中EMPs與PMPs水平高于對照組,且其水平的高低與疾病的嚴(yán)重程度呈正相關(guān)。 2. EMPs與PMPs可能參與了缺血性卒中急性期的發(fā)生、發(fā)展過程,其可能可作為評估患者病情的一項(xiàng)指標(biāo)。
[Abstract]:Objective: Flow cytometry was used to detect the level of plasma membrane particles (endothelial cell membrane particles and platelet membrane particles) in peripheral blood of patients with acute ischemic stroke, and to explore their occurrence in the acute phase of ischemic stroke. Significance and role of development Methods: 1. Case selection: patients with ischemic stroke (first onset, duration less than 2 weeks, new admission) who were hospitalized in neurology department of our hospital from March to December 2013 were selected as study subjects, encephalitis, autoimmune disease and hematologic disease were excluded. Severe liver, renal dysfunction, malignant tumors and cachexia. A total of 84 cases were included in the experimental group. In the control group, 40 patients were selected for outpatient examination in our hospital, with the following characteristics: one or more cerebrovascular risk factors (such as hypertension, diabetes, coronary heart disease, hyperlipidemia, smoking, etc.) and no history of stroke. 2, experimental group: according to NIHSS score, the experimental group was divided into mild cerebral infarction group (52 cases) and moderate and severe cerebral infarction group (32 cases with NIHSS 鈮
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