




摘要:目的" 探究血漿肌鈣蛋白(cTn-T)、甲氧基雌二醇(ME)以及N-端腦鈉肽前體(NT-proBNP)水平在急性胸痛患者主要心血管不良事件(MACE)中的預(yù)測(cè)價(jià)值。方法" 選取2021年7月-2022年7月都江堰市婦幼保健院收治96例急性胸痛患者作為胸痛組,另將同期體檢的90名健康者作為對(duì)照組;另依據(jù)胸痛組患者是否發(fā)生MACE分為MACE組與非MACE組,比較胸痛組與對(duì)照組、MACE組與非MACE組血漿cTn-T、ME和NT-proBNP水平,另分析影響急性胸痛患者M(jìn)ACE發(fā)生的危險(xiǎn)因素,以及血漿cTn-T、ME和NT-proBNP水平預(yù)測(cè)急性胸痛患者M(jìn)ACE發(fā)生的價(jià)值。結(jié)果" 胸痛組血漿cTn-T、NT-proBNP水平高于對(duì)照組,血漿ME水平低于對(duì)照組,差異有統(tǒng)計(jì)學(xué)意義(P<0.05);胸痛組患者出院后90 d出現(xiàn)緊急血運(yùn)重建3例、腦卒中4例、心肌梗死5例、心源性休克3例、室顫/心室驟停3例、全因死亡1例,MACE發(fā)生率為19.79%(19/96);MACE組血漿cTn-T、NT-proBNP水平高于非MACE組,血漿ME水平低于非MACE組,差異有統(tǒng)計(jì)學(xué)意義(P<0.05);多元Logictic回歸分析顯示,cTn-T水平上升、ME水平下降、NT-proBNP水平上升是急性胸痛患者M(jìn)ACE發(fā)生的獨(dú)立危險(xiǎn)因素;ROC曲線分析顯示,血漿cTn-T、ME和NT-proBNP水平用于預(yù)測(cè)急性胸痛患者M(jìn)ACE發(fā)生AUC值分別為0.923、0.695和0.803。結(jié)論" 急性胸痛患者血漿cTn-T、ME和NT-proBNP水平異常,其指標(biāo)可有效預(yù)測(cè)MACE發(fā)生風(fēng)險(xiǎn)。
關(guān)鍵詞:急性胸痛;肌鈣蛋白;甲氧基雌二醇;N-端腦鈉肽前體;主要心血管不良事件
中圖分類號(hào):R541" " " " " " " " " " " " " " " " " 文獻(xiàn)標(biāo)識(shí)碼:A" " " " " " " " " " " " " " " " " DOI:10.3969/j.issn.1006-1959.2024.07.027
文章編號(hào):1006-1959(2024)07-0135-05
Predictive Value of Plasma cTn-T, ME and NT-proBNP Levels in Major Adverse Cardiovascular Events for Patients with Acute Chest Pain
LI Rui-zhen
(Department of Clinical Laboratory,Maternal and Child Health Care Hospital of Dujiangyan,Dujiangyan 611830,Sichuan,China)
Abstract:Objective" To explore the predictive value of plasma troponin (cTn-T), methoxyestradiol (ME) and N-terminal pro-brain natriuretic peptide (NT-proBNP) levels in major adverse cardiovascular events (MACE) for patients with acute chest pain.Methods" A total of 96 patients with acute chest pain admitted to the emergency department of Dujiangyan Maternal and Child Health Hospital from July 2021 to July 2022 were selected as the chest pain group, and 90 healthy people who underwent physical examination during the same period were selected as the control group. According to the occurrence of MACE, the patients in the chest pain group were divided into MACE group and non-MACE group. The levels of plasma cTn-T, ME and NT-proBNP were compared between the chest pain group and the control group, the MACE group and the non-MACE group. The risk factors affecting the occurrence of MACE in patients with acute chest pain and the value of plasma cTn-T, ME and NT-proBNP levels in predicting the occurrence of MACE in patients with acute chest pain were analyzed.Results" The levels of plasma cTn-T and NT-proBNP in the chest pain group were higher than those in the control group, and the level of plasma ME was lower than that in the control group (Plt;0.05). In the chest pain group, there were 3 cases of emergency revascularization, 4 cases of stroke, 5 cases of myocardial infarction, 3 cases of cardiogenic shock, 3 cases of ventricular fibrillation/ventricular arrest and 1 case of all-cause death 90 days after discharge, the incidence of MACE was 19.79% (19/96). The levels of plasma cTn-T and NT-proBNP in MACE group were higher than those in non-MACE group, and the level of plasma ME was lower than that in non-MACE group (Plt;0.05). Multivariate Logistic regression analysis showed that the increase of cTn-T level, the decrease of ME level and the increase of NT-proBNP level were independent risk factors for MACE in patients with acute chest pain. ROC curve analysis showed that the AUC values of plasma cTn-T, ME and NT-proBNP levels for predicting MACE in patients with acute chest pain were 0.923, 0.695 and 0.803, respectively.Conclusion" The levels of plasma cTn-T, ME and NT-proBNP in patients with acute chest pain are abnormal, which can effectively predict the risk of MACE.
Key words:Acute chest pain;Troponin;Methoxyestradiol;N-terminal pro-brain natriuretic peptide;Major adverse cardiovascular events
我國(guó)心血管疾病發(fā)病率因?yàn)槔夏昊厔?shì)加快逐漸上升,已成為導(dǎo)致我國(guó)殘疾率以及死亡率居高不下的重要疾病之一[1]。心血管疾病所致急性胸痛作為急診常見(jiàn)癥狀,其具有病因復(fù)雜、危險(xiǎn)程度高等特點(diǎn),急性胸痛患者病因復(fù)雜,臨床表現(xiàn)不同,所以較易出現(xiàn)漏診與診療過(guò)度等問(wèn)題[2]。因此,準(zhǔn)確評(píng)估急性胸痛患者病情嚴(yán)重程度并預(yù)測(cè)患者預(yù)后,對(duì)于患者接受有效治療以及改善預(yù)后均具有重要意義。肌鈣蛋白(troponin, cTn-T)與N-端腦鈉肽前體(N-terminal pro-brain natriuretic peptide, NT-proBNP)均為反映患者心臟功能以及心肌損傷情況重要指標(biāo),甲氧基雌二醇(methoxyestradiol, ME)為介導(dǎo)血管內(nèi)皮細(xì)胞功能雌二醇代謝產(chǎn)物[3-5],以上指標(biāo)對(duì)于急性胸痛患者預(yù)后價(jià)值評(píng)估研究較少。基于此,本研究旨在探究血漿cTn-T、ME和NT-proBNP對(duì)急性胸痛患者主要心血管不良事件(major adverse cardiovascular events, MACE)的評(píng)估價(jià)值,以期為急性胸痛患者預(yù)后評(píng)價(jià)提供參考依據(jù)。
1資料與方法
1.1一般資料" 選取2021年7月-2022年7月江堰市婦幼保健院收治的96例急性胸痛以及同期體檢90例健康者作為研究對(duì)象,分別作為胸痛組與對(duì)照組。納入標(biāo)準(zhǔn):①胸痛組患者胸部出現(xiàn)鈍痛、壓榨樣痛、脹痛、針刺樣痛等疼痛感受;②胸痛組患者在急診科就診前24 h即已出現(xiàn)相關(guān)胸痛癥狀;③對(duì)照組無(wú)任何胸痛癥狀。排除標(biāo)準(zhǔn):①因?yàn)橥鈧滦赝矗虎谝驗(yàn)槟[瘤病情、風(fēng)濕性疾病等原因所致胸痛者;③已經(jīng)接受胸痛緩解治療;④身體重要臟器如心臟、腎臟等功能障礙者;⑤存在急性腎衰、肝硬化或者傳染疾病。胸痛組中男56例,女40例;年齡30~85歲,平均年齡(56.27±3.72)。對(duì)照組中男50例,女40例;年齡32~84歲,平均年齡(56.53±3.83)歲。兩組性別、年齡比較,差異無(wú)統(tǒng)計(jì)學(xué)意義(P>0.05),有可比性。所有研究對(duì)象知情同意并簽署知情同意書。
1.2方法
1.2.1血漿指標(biāo)水平測(cè)定" 胸痛組患者就診次日,對(duì)照組在體檢當(dāng)日收集晨起空腹靜脈血3 ml,將其置于抗凝血管中,以5000 r/min速度進(jìn)行10 min離心,收集血漿將其置于-20 ℃冰箱中以待其后檢查。血漿cTn-T、ME、NT-proBNP分別采用快速免疫熒光法、酶聯(lián)免疫吸附法以及化學(xué)發(fā)光免疫分析法進(jìn)行測(cè)定,并采用對(duì)應(yīng)試劑盒按照試劑盒說(shuō)明書測(cè)定。
1.2.2預(yù)后評(píng)估" 所有胸痛患者在出院后均接受為期90 d隨訪,隨訪主要以復(fù)查、面訪以及電話形式進(jìn)行,評(píng)估患者在此期間MACE情況,MACE包括緊急血運(yùn)重建、腦卒中、心肌梗死、心源性休克、室顫/心室驟停、全因死亡。胸痛組患者根據(jù)是否發(fā)生MACE情況分為MACE組與非MACE組。
1.3觀察指標(biāo)" ①比較胸痛組與對(duì)照組血漿cTn-T、ME和NT-proBNP水平;②胸痛組患者M(jìn)ACE發(fā)生情況;③比較MACE組與非MACE組基線資料與血漿cTn-T、ME和NT-proBNP水平;④分析影響急診胸痛患者M(jìn)ACE發(fā)生危險(xiǎn)因素;⑤血漿cTn-T、ME和NT-proBNP水平對(duì)急診胸痛患者M(jìn)ACE發(fā)生的預(yù)測(cè)價(jià)值。
1.4統(tǒng)計(jì)學(xué)方法" 數(shù)據(jù)選擇SPSS 20.0統(tǒng)計(jì)學(xué)軟件進(jìn)行處理,計(jì)量資料采用(x±s)表示,組間比較行t檢驗(yàn);計(jì)數(shù)資料采用[n(%)]表示,組間比較行?字2檢驗(yàn)。采用多元Logistic回歸分析急診胸痛患者M(jìn)ACE發(fā)生的危險(xiǎn)因素;采用ROC曲線分析血漿cTn-T、ME和NT-proBNP水平對(duì)患者M(jìn)ACE發(fā)生的預(yù)測(cè)價(jià)值。以P<0.05為差異有統(tǒng)計(jì)學(xué)意義。
2結(jié)果
2.1胸痛組與對(duì)照組血漿cTn-T、ME和NT-proBNP水平比較" 胸痛組血漿cTn-T、NT-proBNP水平高于對(duì)照組,血漿ME水平低于對(duì)照組,差異有統(tǒng)計(jì)學(xué)意義(P<0.05),見(jiàn)表1。
2.2胸痛組MACE發(fā)生情況" 胸痛組患者出院后90 d出現(xiàn)緊急血運(yùn)重建3例、腦卒中4例、心肌梗死5例、心源性休克3例、室顫/心室驟停3例、全因死亡1例,顯示發(fā)生MACE患者19例,即MACE組與非MACE組分別19例和77例,MACE發(fā)生率為19.79%。
2.3 MACE組與非MACE組基線資料及血漿cTn-T、ME和NT-proBNP水平比較" MACE組與非MACE組性別、年齡比較,差異無(wú)統(tǒng)計(jì)學(xué)意義(P>0.05);MACE組血漿cTn-T、NT-proBNP水平高于非MACE組,血漿ME水平低于非MACE組,差異有統(tǒng)計(jì)學(xué)意義(P<0.05),見(jiàn)表2。
2.4影響急診胸痛患者M(jìn)ACE發(fā)生危險(xiǎn)因素分析" 多元Logictic回歸分析顯示,cTn-T水平上升、ME水平下降、NT-proBNP水平上升是胸痛患者M(jìn)ACE發(fā)生獨(dú)立危險(xiǎn)因素(P<0.05),見(jiàn)表3。
2.5血漿cTn-T、ME和NT-proBNP水平對(duì)急診胸痛患者M(jìn)ACE發(fā)生預(yù)測(cè)價(jià)值分析" ROC曲線分析顯示,血漿cTn-T、ME和NT-proBNP水平用于預(yù)測(cè)急性胸痛患者M(jìn)ACE發(fā)生的AUC值分別為0.923、0.695和0.803,見(jiàn)表4、圖1。
3討論
急性胸痛主要由主動(dòng)脈夾層、心肌梗死以及肺動(dòng)脈栓塞等心血管疾病所致,急性胸痛發(fā)病原因多樣,病情嚴(yán)重程度不一,所以其發(fā)病具有病情變化迅速、發(fā)病急且死亡率高等特點(diǎn)[6]。急性胸痛病情嚴(yán)重程度不同患者的治療方式不同,主動(dòng)脈夾層等病情嚴(yán)重胸痛患者,若是治療不及時(shí)或者治療不當(dāng)易導(dǎo)致患者出現(xiàn)MACE,而部分輕癥患者過(guò)度檢查與治療又會(huì)造成醫(yī)療資源浪費(fèi)[7,8]。血液指標(biāo)檢查方便、快捷、經(jīng)濟(jì)、有效,可以通過(guò)血清或者血漿指標(biāo)水平變化而快速判斷患者心血管病情甚至預(yù)后情況[9]。
本研究結(jié)果顯示,胸痛組血漿cTn-T、NT-proBNP水平高于對(duì)照組,血漿ME水平低于對(duì)照組,差異有統(tǒng)計(jì)學(xué)意義(P<0.05),提示急診胸痛患者血漿cTn-T、NT-proBNP、ME水平異常。研究顯示[10],cTn-T主要存在于心肌細(xì)胞中,健康人體內(nèi)cTn-T水平較低,只有出現(xiàn)心血管損傷時(shí),其才會(huì)被釋放至血液中。王曉燕等[11]研究表明,不穩(wěn)定性心絞痛患者cTn-T水平顯著高于健康者,可以有效判斷患者心肌損傷以及冠狀動(dòng)脈病變情況,對(duì)于評(píng)估患者預(yù)后情況具有重要指導(dǎo)意義。NT-proBNP在心室肌細(xì)胞形成,可以調(diào)節(jié)心室容量狀態(tài)因子,其在心室損傷時(shí)水平顯著增加,可以有效反映心臟功能情況[12]。姚麗等[13]研究發(fā)現(xiàn),心肌梗死伴心衰患者BNP水平與患者心臟功能關(guān)系密切,可用于預(yù)測(cè)心肌梗死后心衰發(fā)生,同時(shí)還可以有效反映患者病情嚴(yán)重程度。ME為雌二醇代謝產(chǎn)物,其可以發(fā)揮介導(dǎo)炎癥反應(yīng)、抑制氧化應(yīng)激等作用。彭靜華等[14]研究發(fā)現(xiàn),ME經(jīng)由介導(dǎo)HIF-1α作用調(diào)節(jié)腦梗死大鼠缺血半暗帶Caspase-3蛋白表達(dá),減少缺血腦梗死位置細(xì)胞凋亡,保護(hù)小鼠神經(jīng)功能。急性胸痛患者較易發(fā)生緊急血運(yùn)重建、腦卒中、心肌梗死等MACE,導(dǎo)致患者預(yù)后不良。本研究中MACE發(fā)生率為19.79%,MACE組血漿cTn-T、NT-proBNP水平高于非MACE組,血漿ME水平低于非MACE組,差異有統(tǒng)計(jì)學(xué)意義(P<0.05)。喬香瑞等[15]研究顯示,急性心肌缺血患者因?yàn)槭冶趶埩ψ兓约叭毖仍驅(qū)е翹T-proBNP大量釋放,其水平上升顯示患者左室功能損傷,心室重構(gòu),患者預(yù)后不佳。張創(chuàng)良等[16]研究顯示,心肌梗死患者采用血必凈注射液進(jìn)行治療,患者治療后cTn-T水平顯著下降,心功能以及心肌損傷減輕,患者預(yù)后顯著改善,提示cTn-T水平與患者預(yù)后關(guān)系密切。Zou X等[17]探究了2-ME對(duì)腦動(dòng)靜脈畸形大鼠模型以及缺氧誘導(dǎo)人臍靜脈內(nèi)皮細(xì)胞血管生成的影響,結(jié)果顯示2-ME處理不僅減少了腦動(dòng)靜脈畸形大鼠體內(nèi)血管生成進(jìn)展,還增加了體外微血管形成,促進(jìn)了缺氧誘導(dǎo)人臍靜脈內(nèi)皮細(xì)胞細(xì)胞遷移和HIF-1α表達(dá),其主要通過(guò)ID-1下調(diào)和p53上調(diào)達(dá)到抑制缺氧/缺氧誘導(dǎo)血管生成目的。另有研究顯示[18],2ME通過(guò)上調(diào)錳超氧化物歧化酶活性、下調(diào)ROS表達(dá),降低HIF-1α轉(zhuǎn)錄和翻譯水平達(dá)到改善缺氧所致肺動(dòng)脈高壓。導(dǎo)致急性胸痛心血管疾病多存在血氧缺乏,而2ME經(jīng)由抑制HIP-1α以及調(diào)節(jié)BNIP3基因表達(dá)來(lái)改善梗死部位心肌細(xì)胞凋亡以及心臟功能[19]。本研究中多元Logictic回歸分析顯示,cTn-T水平上升、ME水平下降、NT-proBNP水平上升是胸痛患者M(jìn)ACE發(fā)生獨(dú)立危險(xiǎn)因素,與上述研究結(jié)論相符。cTn-T以及NT-proBNP為預(yù)測(cè)心血管疾病預(yù)后優(yōu)異指標(biāo)[20-22],而針對(duì)ME研究集中于腫瘤或者動(dòng)物模型[22,23],所以關(guān)于其對(duì)心血管疾病預(yù)后研究較少。本研究中ROC曲線分析顯示,血漿cTn-T、ME和NT-proBNP水平用于預(yù)測(cè)急性胸痛患者M(jìn)ACE發(fā)生AUC值分別為0.923、0.695和0.803,提示這三指標(biāo)用于預(yù)測(cè)急性胸痛患者M(jìn)ACE價(jià)值優(yōu)異。
綜上所述,急性胸痛患者血漿cTn-T和NT-proBNP水平異常上升,ME水平異常下降,其水平變化是患者M(jìn)ACE發(fā)生獨(dú)立危險(xiǎn)因素,同時(shí)可用于預(yù)測(cè)MACE發(fā)生風(fēng)險(xiǎn)。
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收稿日期:2023-04-01;修回日期:2023-05-04
編輯/杜帆