缺血性腦白質(zhì)疏松癥MoCA評(píng)分與顱內(nèi)外血流動(dòng)力學(xué)的相關(guān)研究
本文關(guān)鍵詞: 缺血性腦白質(zhì)疏松癥(ILA) 認(rèn)知障礙 血流動(dòng)力學(xué) 出處:《大連醫(yī)科大學(xué)》2014年碩士論文 論文類型:學(xué)位論文
【摘要】:目的:探索一種實(shí)用、方便、經(jīng)濟(jì)的能夠早期發(fā)現(xiàn)并實(shí)時(shí)監(jiān)測(cè)缺血性腦白質(zhì)疏松癥(ischemic leukoaraiosis,ILA)相關(guān)認(rèn)知障礙病情變化的方法,綜合分析腦血管病危險(xiǎn)因素與上述認(rèn)知障礙的關(guān)系,以及進(jìn)一步認(rèn)識(shí)ILA相關(guān)認(rèn)知障礙的臨床特點(diǎn)。 方法:本研究共收集了2013年2月至2014年1月于大連市中心醫(yī)院神經(jīng)內(nèi)二科住院并經(jīng)臨床確診的ILA的患者61例。入院后采集病史,完善必要的化驗(yàn)檢查,聯(lián)合應(yīng)用經(jīng)顱多普勒超聲(Transcranial Doppler ultrasound,TCD)和頸部血管超聲對(duì)顱內(nèi)外血流動(dòng)力學(xué)進(jìn)行檢測(cè),通過北京版蒙特利爾量表(Montreal cognitiveassessment, MoCA)對(duì)患者的認(rèn)知水平進(jìn)行評(píng)估。最后分析患者的MoCA評(píng)分與大腦中大動(dòng)脈(middle cerebral artery,MCA)和大腦前動(dòng)脈(anterior cerebral artery,ACA)的搏動(dòng)指數(shù)(pulsatility index,PI)、平均血流(mean velocity,Vm)及頸動(dòng)脈內(nèi)膜中層厚度(intima-media thickness,IMT)的相關(guān)性、腦血管病的危險(xiǎn)因素與MoCA評(píng)分的關(guān)系以及ILA患者認(rèn)知域損害的特點(diǎn)。 結(jié)果:1.患者總數(shù)為61例,其中男性30人,女性31人,總體年齡跨度為43-86歲,平均年齡:69.61±7.34歲。吸煙者及飲酒者占總體的比例分別為18%、8%,高血壓病、糖尿病、冠心病的患病率分別為70%、28%、16%。認(rèn)知障礙組和認(rèn)知正常組的年齡、性別、吸煙、飲酒及高血壓病、糖尿病、冠心病等因素通過比較分析均無統(tǒng)計(jì)學(xué)意義(P值0.05)。 2.認(rèn)知障礙組與認(rèn)知正常組的同型半胱氨酸(homocysteine,Hcy)水平、頸動(dòng)脈內(nèi)膜中層厚度、大腦中動(dòng)脈及大腦前動(dòng)脈的搏動(dòng)指數(shù)單因素分析P值0.05,具有統(tǒng)計(jì)學(xué)意義;兩組的MCA-Vm及ACA-Vm比較無統(tǒng)計(jì)學(xué)差異(P值0.05)。 3.多元線性回歸提示只有血同型半胱氨酸及大腦中動(dòng)脈搏動(dòng)指數(shù)與缺血性腦白質(zhì)疏松癥相關(guān)認(rèn)知障礙呈線性相關(guān),回歸方程為Y=40.984-0.982X1-8.071X2,P值0.01,具有顯著統(tǒng)計(jì)學(xué)意義。 4.延遲回憶力對(duì)ILA相關(guān)認(rèn)知障礙的診斷價(jià)值最高,而命名能力的分析結(jié)果提示P值0.05,無統(tǒng)計(jì)學(xué)意義。入組患者中總體認(rèn)知水平下降的為49人,占總?cè)藬?shù)80.33%,延遲回憶力受損人數(shù)為59人,占總?cè)藬?shù)的96.72%,視空間/執(zhí)行功能、語(yǔ)言功能、抽象能力、注意力、命名能力及定向力的受損人數(shù)分別為54人、49人、38人、33人、28人、22人,占總?cè)藬?shù)的88.52%、80.33%、62.30%、54.10%、45.90%、36.07%。 結(jié)論:1.同型半胱氨酸水平及大腦中動(dòng)脈搏動(dòng)指數(shù)與缺血性腦白質(zhì)疏松癥MoCA評(píng)分呈線性相關(guān),,即Hcy及MCA-PI越高,患者的MoCA評(píng)分越低,相應(yīng)的認(rèn)知損害越重。 2.大腦前大動(dòng)脈的搏動(dòng)指數(shù)及頸動(dòng)脈內(nèi)膜中層厚度與ILA相關(guān)認(rèn)知障礙有關(guān),相關(guān)機(jī)制仍需進(jìn)一步研究。 3.延遲回憶力對(duì)缺血性腦白質(zhì)疏松癥相關(guān)認(rèn)知障礙的診斷價(jià)值最高;而受累的認(rèn)知域主要涉及延遲回憶力、視空間/執(zhí)行功能、語(yǔ)言能力,累及定向力的最少。 4.高同型半胱氨酸血癥為缺血性腦白質(zhì)疏松癥相關(guān)認(rèn)知障礙的重要危險(xiǎn)因素;大腦中動(dòng)脈搏動(dòng)指數(shù)的增高對(duì)于ILA相關(guān)的認(rèn)知損害具有早期預(yù)測(cè)價(jià)值,聯(lián)合應(yīng)用頸部血管超聲及TCD對(duì)于ILA相關(guān)認(rèn)知障礙的防治具有重要意義。
[Abstract]:Objective: To explore a practical, convenient, economy can be found early and real-time monitoring of ischemic leukoaraiosis (ischemic leukoaraiosis ILA) method was related to cognitive impairment changes, the relationship between the comprehensive analysis of the risk factors of cerebrovascular disease and cognitive impairment, and further understanding of clinical characteristics of ILA associated cognitive impairment.
Methods: This study collected from February 2013 to January 2014 in Dalian Central Hospital in two nervous inpatients and 61 cases with clinically diagnosed ILA patients. After admission history, perfecting the necessary laboratory examination, ultrasound and transcranial Doppler (Transcranial Doppler, ultrasound, TCD) and neck vascular ultrasound to detect intracranial hemodynamics. The Beijing version of the Montreal scale (Montreal cognitiveassessment MoCA) to assess the patient's cognitive level. Finally, analysis of large artery and brain in patients with MoCA score (middle cerebral, artery, MCA) and the anterior cerebral artery (anterior cerebral, artery, ACA) pulsatility index (pulsatility index, PI), the average blood flow (mean velocity Vm), and carotid intima-media thickness (intima-media thickness, IMT) the correlation between risk factors of cerebrovascular disease and MoCA score and I The characteristics of cognitive impairment in LA patients.
Results: 1. a total of 61 patients, including 30 males and 31 females, the age span of 43-86 years, average age: 69.61 + 7.34 years. Smokers and drinkers accounted for the overall proportion were 18%, 8%, hypertension, diabetes, coronary heart disease prevalence rate were 70%, 28%, 16%. cognitive impairment group and cognitive normal group in age, gender, smoking, drinking and hypertension, diabetes, coronary heart disease and other factors through the comparison analysis were not statistically significant (P = 0.05).
Homocysteine 2. cognitive dysfunction group and cognitive normal group (homocysteine, Hcy) level, carotid intima-media thickness, pulsatility index of artery and anterior cerebral artery in the brain of the single factor analysis and P value was 0.05, with statistical significance; MCA-Vm and ACA-Vm two groups showed no statistically significant difference (P = 0.05).
3. multivariate linear regression showed that only blood homocysteine and middle cerebral artery pulsation index were linearly correlated with cognitive impairment of ischemic leukoaraiosis. The regression equation was Y=40.984-0.982X1-8.071X2 and P value was 0.01, which had significant statistical significance.
4. the delayed memory of ILA cognitive impairment in the diagnostic value of the highest, and the naming ability analysis showed that the P value is 0.05, not statistically significant. The overall level of cognitive decline in patients with 49 people, accounted for 80.33% of the total number of the delayed memory impairment for the number 59, accounting for 96.72% of the total number, visual space / executive function, language function, abstract ability, attention, orientation and number of impaired naming ability were 54 people, 49 people, 38 people, 33 people, 28 people, 22 people, accounting for 88.52% of the total number, 80.33%, 62.30%, 54.10%, 45.90%, 36.07%.
Conclusion: 1., homocysteine level and middle cerebral artery pulsatility index are linearly correlated with MoCA score of ischemic leukoaraiosis. The higher the Hcy and MCA-PI, the lower the MoCA score is, the more the cognitive impairment is.
2. the pulsatile index of the anterior cerebral artery and the thickness of the carotid artery intima are related to the cognitive impairment associated with ILA, and the related mechanisms need to be further studied.
3., delayed recall has the highest diagnostic value for the related cognitive impairment of ischemic leukoaraiosis, and the involved cognitive domain mainly involves delayed recall, visual space / executive function, language ability and the least directional power.
4. hyperhomocysteinemia is an important risk associated with cognitive ischemic leukoaraiosis disorder factors; increased middle cerebral artery pulsatility index for cognitive impairment associated with ILA early predictive value, has important significance for prevention and treatment of combined application of neck vascular ultrasound and TCD for ILA related cognitive disorders.
【學(xué)位授予單位】:大連醫(yī)科大學(xué)
【學(xué)位級(jí)別】:碩士
【學(xué)位授予年份】:2014
【分類號(hào)】:R743
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