傅照平,賀傳沙,瞿侖學(xué)
(重慶市長壽區(qū)人民醫(yī)院神經(jīng)內(nèi)科 401220)
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·論 著·
氟西汀對(duì)急性腦梗死患者抑郁及功能康復(fù)的療效研究
傅照平,賀傳沙,瞿侖學(xué)
(重慶市長壽區(qū)人民醫(yī)院神經(jīng)內(nèi)科 401220)
目的 探索氟西汀對(duì)急性腦梗死(ACI)患者抑郁及運(yùn)動(dòng)功能、認(rèn)知功能障礙的療效。方法 選取長壽區(qū)人民醫(yī)院2012年1~12月收治的186例確診ACI患者為研究對(duì)象,將其隨機(jī)分為對(duì)照組和觀察組,各93例。對(duì)照組給予脫水、降糖等常規(guī)治療,觀察組在此基礎(chǔ)上加用氟西汀20 mg/d,兩組患者均連續(xù)用藥12個(gè)月。采用漢密爾頓抑郁量表(HAMD)對(duì)患者的抑郁狀況進(jìn)行測(cè)評(píng),采用美國國立衛(wèi)生研究院卒中量表(NIHSS)對(duì)運(yùn)動(dòng)功能進(jìn)行測(cè)評(píng),采用蒙特利爾認(rèn)知評(píng)估量表(MoCA)對(duì)認(rèn)知功能進(jìn)行測(cè)評(píng)。比較治療前后及兩組間各項(xiàng)評(píng)分。結(jié)果 兩組患者治療3個(gè)月后,NIHSS評(píng)分均較治療前降低,比較差異均有統(tǒng)計(jì)學(xué)意義(P<0.05);且觀察組治療3、6、12個(gè)月后NIHSS評(píng)分均小于對(duì)照組,組間比較差異均有統(tǒng)計(jì)學(xué)意義(P<0.05)。對(duì)照組患者治療后MoCA評(píng)分和抑郁狀況與治療前比較,差異均無統(tǒng)計(jì)學(xué)意義(P>0.05);而觀察組患者在治療3個(gè)月后,MoCA評(píng)分均較治療前增加,抑郁狀況也較治療前改善,與治療前比較差異均有統(tǒng)計(jì)學(xué)意義(P<0.05)。結(jié)論 在常規(guī)治療的基礎(chǔ)上加用氟西汀,可有效減輕ACI患者的抑郁狀況,改善患者的運(yùn)動(dòng)功能和認(rèn)知功能,但需要堅(jiān)持中長期用藥。
氟西??; 急性腦梗死; 抑郁; 運(yùn)動(dòng)功能障礙; 認(rèn)知功能障礙
急性腦梗死(ACI)是由腦組織局部血液供應(yīng)障礙引起的腦組織缺血缺氧性病變壞死,缺血區(qū)細(xì)胞電活動(dòng)停止、細(xì)胞壞死、組織結(jié)構(gòu)改變,進(jìn)而導(dǎo)致神經(jīng)功能缺失。該病致殘率較高,常并發(fā)抑郁癥、認(rèn)知功能障礙和運(yùn)動(dòng)功能受損,若無有效治療,可發(fā)展為血管性癡呆、軀體殘疾等,嚴(yán)重影響患者的生活和生存質(zhì)量[1]。有研究表明,該病發(fā)病后3 h內(nèi)進(jìn)行溶栓治療,可有效改善患者預(yù)后,但因治療時(shí)間窗過于嚴(yán)格,多數(shù)患者錯(cuò)過了溶栓治療時(shí)機(jī)[2]。氟西汀是一線抗抑郁藥物,新近研究表明,它還具有恢復(fù)神經(jīng)功能和肢體運(yùn)動(dòng)功能等作用[3]。本研究觀察在常規(guī)治療的基礎(chǔ)上加用氟西汀對(duì)ACI患者抑郁、認(rèn)知功能和運(yùn)動(dòng)功能的影響。現(xiàn)將研究結(jié)果報(bào)道如下。
1.1 一般資料 根據(jù)全國第4屆腦血管病學(xué)術(shù)會(huì)議(1995年)制訂的腦梗死診斷標(biāo)準(zhǔn),選擇本院2012年1~12月收治的經(jīng)頭顱電子計(jì)算機(jī)X線斷層掃描(CT)/磁共振成像(MRI)證實(shí)且發(fā)病在72 h以內(nèi)的ACI患者,并排除嚴(yán)重精神疾病患者,嚴(yán)重心、肺、肝、腎疾病患者,嚴(yán)重感染患者,阿爾茨海默病患者,失語或智力障礙者,以及藥物過敏者。共186例患者參與研究,按就診順序進(jìn)行編號(hào),并采用隨機(jī)數(shù)字表法將所有研究對(duì)象隨機(jī)分為對(duì)照組和觀察組。對(duì)照組93例,平均年齡(59.6±9.5)歲,其中男62例;吸煙34例,飲酒17例;有高血壓史53例,高血脂史55例,糖尿病史21例;受教育年限小于12年68例。觀察組93例,平均年齡(58.3±9.1)歲,其中男67例;吸煙38例,飲酒25例;有高血壓史59例,高血脂史62例,糖尿病史17例;受教育年限小于12年62例。兩組患者在年齡、性別、吸煙、飲酒、疾病史和受教育程度等一般資料比較差異無統(tǒng)計(jì)學(xué)意義(P>0.05),具有可比性。
1.2 治療方法 所有患者均給予脫水、降糖、調(diào)脂、抗凝、控制血壓及并發(fā)癥等常規(guī)治療。觀察組在此基礎(chǔ)上,加用鹽酸氟西汀膠囊(禮來蘇州制藥有限公司,批號(hào):國藥準(zhǔn)字J20080016)20 mg/d,早晨口服。兩組患者均連續(xù)用藥12個(gè)月。
1.3 觀察項(xiàng)目 在治療前及治療后1、3個(gè)月時(shí),采用17項(xiàng)版漢密爾頓抑郁量表(HAMD-17)對(duì)患者抑郁狀況進(jìn)行測(cè)評(píng);HAMD評(píng)分小于8分為無抑郁癥狀,8~17分為輕度抑郁,18~24分為中度抑郁,大于24分為重度抑郁。在治療前及治療后1、3、6、12個(gè)月時(shí),采用美國國立衛(wèi)生研究院卒中量表(NIHSS)對(duì)運(yùn)動(dòng)功能進(jìn)行測(cè)評(píng),NIHSS評(píng)分越高表明運(yùn)動(dòng)功能障礙越嚴(yán)重;采用蒙特利爾認(rèn)知評(píng)估量表(MoCA)對(duì)認(rèn)知功能進(jìn)行測(cè)評(píng),受教育年限低于12年者,MoCA評(píng)分加1,MoCA評(píng)分越低表明認(rèn)知功能障礙越嚴(yán)重。每例患者的各項(xiàng)測(cè)評(píng)均由一名高年資醫(yī)生和一名高年資護(hù)士聯(lián)合承擔(dān),測(cè)評(píng)前進(jìn)行專門培訓(xùn)。
2.1 兩組NIHSS評(píng)分比較 兩組患者治療3、6、12個(gè)月后,NIHSS評(píng)分均較治療前降低,比較差異均有統(tǒng)計(jì)學(xué)意義(P<0.05);且觀察組治療3、6、12個(gè)月后NIHSS評(píng)分均小于對(duì)照組,組間比較差異均有統(tǒng)計(jì)學(xué)意義(P<0.05)。見表1。
表1 兩組治療前后NIHSS評(píng)分比較,分)
注:與本組治療前比較,aP<0.05;與同期對(duì)照組比較,bP<0.05。
2.2 兩組MoCA評(píng)分比較 對(duì)照組治療后MoCA評(píng)分較治療前有所增加,但各觀測(cè)時(shí)間MoCA評(píng)分與治療前比較差異均無統(tǒng)計(jì)學(xué)意義(P>0.05);而觀察組在治療3、6、12個(gè)月后,MoCA評(píng)分均較治療前增加,比較差異均有統(tǒng)計(jì)學(xué)意義(P<0.05)。
2.3 兩組抑郁程度比較 Wilcoxon秩和檢驗(yàn)顯示,對(duì)照組治療1、3個(gè)月后,抑郁程度雖較治療前有所減輕,但與治療前比較差異均無統(tǒng)計(jì)學(xué)意義(Z=1.233 9,P=1.673 7;Z=0.217 2,P=0.094 2);觀察組治療1個(gè)月后,抑郁程度與治療前比較差異無統(tǒng)計(jì)學(xué)意義(Z=1.878 5,P=0.060 3),但治療3個(gè)月后抑郁程度較治療前改善,比較差異有統(tǒng)計(jì)學(xué)意義(Z=3.829 9,P=0.000 1)。見表3。
表2 兩組治療前后MoCA評(píng)分比較±s,分)
注:與本組治療前比較,aP<0.05。
表3 兩組治療前后抑郁程度比較[n(%)]
腦梗死是一種具有高致殘性、高病死率的疾病,多數(shù)患者因軀體殘疾常伴發(fā)負(fù)面情緒,約有30%的腦梗死患者可并發(fā)抑郁癥[4-5]。腦梗死后抑郁是導(dǎo)致患者死亡的一個(gè)重要危險(xiǎn)因素[6],其發(fā)病機(jī)制尚未闡明,一般認(rèn)為與神經(jīng)生物學(xué)和社會(huì)心理學(xué)等因素有關(guān)。Bush[7]研究發(fā)現(xiàn),軀體殘疾的嚴(yán)重程度與腦梗死后抑郁的發(fā)病率存在明顯的正相關(guān)關(guān)系,二者相互影響,帶給患者軀體和精神的雙重痛苦。因此,對(duì)ACI患者,既要治療梗死以有效控制軀體殘疾,也要積極改善患者的抑郁狀況。
氟西汀作為一種選擇性5-羥色胺(5-HT)再攝取抑制劑(SSRI),是臨床常用的抗抑郁藥物。潘小平等[8]研究發(fā)現(xiàn),氟西汀用藥4周后,對(duì)抑郁狀況的改善程度較對(duì)照組尚無明顯優(yōu)勢(shì),用藥8周后優(yōu)勢(shì)才得以顯現(xiàn),說明氟西汀可明顯改善腦梗死后抑郁狀況,但起效時(shí)間較慢。本研究結(jié)果同樣顯示,在用藥1個(gè)月后,觀察組患者的抑郁狀況較治療前有所改善,但尚未出現(xiàn)明顯差異,用藥3個(gè)月后,抑郁狀況出現(xiàn)明顯的改善。
近年來,氟西汀抗抑郁以外的新用途開始得到重視,但相關(guān)研究較少。5-HT等單胺類神經(jīng)遞質(zhì)可調(diào)節(jié)大腦中控制運(yùn)動(dòng)、情感、認(rèn)知等感覺的環(huán)路,這些神經(jīng)遞質(zhì)、環(huán)路和腦組織結(jié)構(gòu)一起,維持著大腦功能的正常運(yùn)行。氟西汀可通過抑制神經(jīng)突觸對(duì)5-HT的重?cái)z取來恢復(fù)神經(jīng)遞質(zhì)的作用,從而有效地恢復(fù)腦梗死患者的神經(jīng)功能。本研究顯示,在用藥3個(gè)月后,兩組患者NIHSS評(píng)分均較治療前有明顯下降,但觀察組下降程度更為明顯,提示氟西汀用藥一段時(shí)間后可明顯改善患者的運(yùn)動(dòng)功能。其可能機(jī)制:一方面氟西汀可通過抑制神經(jīng)元突觸前膜對(duì)5-HT的重?cái)z取,來提高關(guān)鍵部位5-HT的水平及其傳遞功能,恢復(fù)繼發(fā)性損傷所致的運(yùn)動(dòng)功能障礙[9];另一方面氟西汀還可促進(jìn)5-HT的釋放,誘導(dǎo)新的突觸傳遞,從而提高脊髓神經(jīng)細(xì)胞的運(yùn)動(dòng)功能,恢復(fù)患者的運(yùn)動(dòng)功能[10]。
本研究還發(fā)現(xiàn),對(duì)照組患者治療后MoCA評(píng)分始終未見明顯增加,而觀察組患者在治療3個(gè)月后,MoCA評(píng)分較治療前開始有明顯上升,且隨著用藥時(shí)間的延長,上升幅度更加明顯。Santarelli等[11]認(rèn)為,這與神經(jīng)的可塑性有關(guān),長期服用氟西汀可促進(jìn)海馬神經(jīng)發(fā)生[12-13],提高神經(jīng)干細(xì)胞的生存能力,增強(qiáng)腦源性神經(jīng)營養(yǎng)因子的表達(dá),從而調(diào)節(jié)突觸的可塑性并引發(fā)突觸前、后的長時(shí)程增強(qiáng)作用,恢復(fù)患者的認(rèn)知功能[14-15]。
綜上所述,ACI患者在常規(guī)治療的基礎(chǔ)上加用氟西汀,可有效減輕抑郁狀況,改善患者運(yùn)動(dòng)功能和認(rèn)知功能,但需要堅(jiān)持中長期用藥。當(dāng)然,本研究為單中心臨床試驗(yàn),測(cè)評(píng)時(shí)間有限,樣本量也不夠充足,尚需多中心、大樣本臨床試驗(yàn)做進(jìn)一步研究。
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Efficacy of fluoxetine in treatment of depression and functional rehabilitation in patients with acute cerebral infarction
FUZhao-ping,HEChuan-sha,QULun-xue
(DepartmentofNeurology,ChangshouDistrictPeople′sHospital,Chongqing401220,China)
Objective To investigate the efficacy of fluoxetine in treating depression,motor dysfunction and cognitive dysfunction in the patients with acute cerebral infarction(ACI).Methods 186 patients with ACI hospitalized in our hospital from Jan 2012 to Dec 2012 were enrolled in this study and randomly assigned to the control group (n=93) and the observation group (n=93).The control group received the conventional therapy,including dehydration and reducing blood glucose.On the basis of the control group treatment,the observation group was given additional fluoxetine (20 mg/d).The two groups were treated for 12 consecutive months.The depression status was evaluated by using the Hamilton Depression Scale (HAMD),the motor function was evaluated by using the National Institutes of Health Stroke Scale (NIHSS),and the cognitive function was evaluated by using the Montreal Cognitive Assessment Scale (MoCA).The scores were compared before and after treatment and between the two groups.Results The NIHSS scores after 3-month treatment in the two groups were significant declined compared with before treatment,the difference had statistical significance (P<0.05),moreover the NIHSS scores after 3-,6-,12-month treatment in the observation group were significantly less than those in the control group,the differences between among groups had statistical significant(P<0.05).The MoCA scores and the depression status in the control group had no statistical differences between before and after treatment (P>0.05);while the MoCA scores after 3-months treatment in the observation group were increased than that before treatment(P<0.05),and the depression status was improved to some extent (P<0.05).Conclusion Adding fluoxetine on the basis of the conventional therapy could effectively relieve the depression status of the patients with ACI,improve their motor function and cognitive function,but it is needed to insist middle and long term medication.
fluoxetine; acute cerebral infarction; depression; motor dysfunction; cognitive dysfunction
傅照平,女,本科,主治醫(yī)師,主要從事神經(jīng)內(nèi)科研究。
10.3969/j.issn.1672-9455.2015.05.028
A
1672-9455(2015)05-0651-03
2014-11-10
2014-12-28)