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      青年急性ST段抬高型心肌梗死臨床特點(diǎn)分析

      2017-04-18 04:03:22蘇大宇李大鵬張昱陽(yáng)翁志遠(yuǎn)
      中外醫(yī)療 2017年5期
      關(guān)鍵詞:高齡冠脈心肌梗死

      蘇大宇+李大鵬+張昱陽(yáng)+翁志遠(yuǎn)

      [摘要] 目的 探討青年急性ST段抬高型心肌梗死(STEMI)患者發(fā)病危險(xiǎn)因素、臨床特點(diǎn)及預(yù)后。方法 方便選擇2011年1月—2015年6月入院,并接受急診冠脈介入治療的青年(40歲以下)STEMI患者48例作為觀察組。方便選擇同期接受急診冠脈介入治療的高齡(70歲以上)STEMI患者72例作為對(duì)照組。對(duì)比兩組患者發(fā)病危險(xiǎn)因素、誘發(fā)因素、冠脈造影特征及短期臨床預(yù)后情況。結(jié)果 ①青年STEMI組(48例)男性發(fā)病率明顯高于女性:其中男性43例(89.6%)。女性5例(10.4%)。②青年STEMI組共48例:其中大量吸煙35例(72.9%)、肥胖29例(60.4%)、冠心病家族史27例(56.3%),高血壓病18例(37.5%),糖尿病7例(14.6%)。而高齡STEMI組共72例:其中大量吸煙19例(26.4%)、肥胖18例(25.0%)、冠心病家族史21例(29.2%),高血壓病45例(62.5%),糖尿病24例(33.3%)。青年STEMI組大量吸煙史、肥胖及冠心病家族史均明顯高于高齡STEMI組,兩組相比差異有統(tǒng)計(jì)學(xué)意義(P<0.05),而青年STEMI組中高血壓病病史、糖尿病病史明顯低于高齡STEMI組,兩組相比,差異有統(tǒng)計(jì)學(xué)意義(P<0.05)。青年STEMI組有明確發(fā)病誘因(情緒波動(dòng)、過(guò)勞、大量飲酒等)36例(75.0%)明顯多于高齡STEMI組28例(38.9%)。兩組相比,差異有統(tǒng)計(jì)學(xué)意義(P<0.05)。③青年STEMI組冠脈造影結(jié)果多表現(xiàn)為冠脈單支病變 34例(70.8%),而很少表現(xiàn)為多支病變13例(27.1%),血栓負(fù)荷相對(duì)較重,而高齡STEMI組更多表現(xiàn)為冠脈多支病變58例 (80.6%),很少表現(xiàn)為單支病變14例(19.4%)。兩組相比差異有統(tǒng)計(jì)學(xué)意義(P<0.05)。④青年STEMI組短期預(yù)后(發(fā)病4周)相對(duì)較好:青年STEMI發(fā)生心功不全1例(2.1%),而高齡組發(fā)生心功不全12例 (16.7%)。青年STEMI組心功不全發(fā)生率明顯低于高齡STEMI組,兩組相比差異有統(tǒng)計(jì)學(xué)意義(P<0.05)。結(jié)論 大量吸煙、肥胖、高脂血癥、冠心病家族史是青年心肌梗死患者重要的危險(xiǎn)因素,廣泛開(kāi)展健康教育,提倡青年人健康生活方式即生活規(guī)律、戒煙、控制體重、監(jiān)測(cè)血壓、血糖、血脂,同時(shí)避免過(guò)勞、情緒波動(dòng)等誘發(fā)因素是預(yù)防發(fā)生青年STEMI的重要措施。且青年STEMI發(fā)病應(yīng)盡早就診,積極行冠脈介入治療,可以改善預(yù)后。

      [關(guān)鍵詞] 青年;急性ST段抬高型心肌梗死;危險(xiǎn)因素;誘發(fā)因素;冠脈造影;預(yù)后

      [中圖分類號(hào)] R542.22 [文獻(xiàn)標(biāo)識(shí)碼] A [文章編號(hào)] 1674-0742(2017)02(b)-0189-04

      [Abstract] Objective To discuss the risk factors, clinical features and prognosis of STEMI patients. Methods 48 cases of STEMI patients less than 40 years old with percutaneous coronary intervention treatment from January 2011 to June 2015 were convenient used as the observation group, and 72 cases of STEMI patients more than 70 years old with the percutaneous coronary intervention treatment were convenient selected as the control group, and the risk factor, inducing factor, coronary angiogram features and short-term clinical prognosis were compared between the two groups. Results The morbidity rate in male in the young STEMI group was obviously higher than that in female, and including 43 males(89.6%)and 5 females (10.4%). In the young STEMI group, there were 35 smokers(72.9%), 29 obesity cases(60.4%), 27 cases with coronary heart disease family history (56.3%), 18 cases with hypertension (37.5%), 7 cases with diabetes (14.6%), and in the senile SIEMI group, there were 19 smokers(26.4%), 18 obesity cases (25.8%), 21 cases with coronary heart disease family history (29.2%), 45 cases with hypertension (62.5%) and 24 diabetes cases (33.3%), and the patients with smoking history, obesity and coronary heart disease family history in the young STEMI group were obviously higher than those in the senile STEMI group, and the differences between the two groups had statistical significance(P<0.05), and the patients with hypertension disease and diabetes I the young STEMI group were obviously lower than those in the senile STEMI group, and the differences between the two groups had statistical significance(P<0.05), and the patients with definite causes (mood fluctuations, overwork and heavy drinking) in the young STEMI group were obviously higher than those in the senile STEMI group,(36 cases vs 28 cases), and the differences between the two groups had statistical significance(75.0%~38.9%)(P<0.05). The coronary angiography results in the young STEMI group was mostly coronary artery single vessel disease with 34 cases (70.8%)and less multi-vessel lesions with 13 cases (27.1%), and the thrombus burden was relatively heavy, and the coronary angiograresults in the senile STIMI group was mostly coronary artery multi-vessel lesions with 58 cases(80.6%) and less single vessel disease with 14 cases(19.4%), and the differences between the two groups had statistical significance by comparison(P<0.05). The short-term prognosis(the onset was four weeks) in the young STEMI group was relatively good, and there was 1 case with heart failure in the young STEMI group(2.1%)and 12 cases with heart failure in the senile group, and the difference between the two groups had statistical significance(P<0.05). Conclusion The heavy smoking, obesity, hyperlipemia and coronary heart disease family history are the major risk factors of young patients with myocardial infarction, and we should widely carry out the health education, advocate the healthy life of style of young people including law of life, quitting smoking, controlling weight, monitoring blood pressure, blood sugar and blood fat, and avoiding the overwork and mood swings can the major measures of preventing the occurrence of young STEMI, and the young people should see a doctors as soon as possible once the disease has started and actively adopt the coronary interventional treatment thus improving the prognosis.

      [Key words] Young; Acute ST-segment elevation myocardial infarction; Risk factor; Inducing factor; Coronary angiography; Prognosis

      冠心病是一種嚴(yán)重威脅人類健康的疾病。隨著生活方式、工作壓力和飲食結(jié)構(gòu)等變化,冠心病發(fā)病率的逐年升高,其發(fā)病年齡呈明顯年輕化趨勢(shì)[1]。青年STEMI已越來(lái)越成為威脅青年健康和生命的嚴(yán)重疾病之一。該文方便選擇2011年1月—2015年6月入院,并接受冠脈介入治療的青年(40歲以下)STEMI患者48例作為觀察組,選擇同期接受冠脈介入治療的高齡(70歲以上)STEMI患者72例作為對(duì)照組。對(duì)青年STEMI患者發(fā)病危險(xiǎn)因素、誘發(fā)因素、冠脈造影特征及短期臨床預(yù)后情況進(jìn)行對(duì)比分析,現(xiàn)報(bào)道如下。

      1 資料與方法

      1.1 一般資料

      方便選擇入院并接受冠脈介入治療的青年(40歲以下)STEMI病人48例作為觀察組,其中男性43例,女性5例。選擇同期接受冠脈介入治療的高齡(70歲以上)STEMI病人72例作為對(duì)照組,其中男性34例,女性38例。入選標(biāo)準(zhǔn):①STEMI診斷標(biāo)準(zhǔn)符合 2010 年中華醫(yī)學(xué)會(huì)心血管分會(huì)制定的 《急性ST段抬高型心肌梗死的診斷和治療指南》;②除外冠狀動(dòng)脈畸形、多發(fā)大動(dòng)脈炎、川崎病等其他疾病導(dǎo)致的STEMI。

      1.2 方法

      ①詳細(xì)詢問(wèn)病人的發(fā)病危險(xiǎn)因素、誘發(fā)因素。并將觀察組和對(duì)照組資料進(jìn)行對(duì)比分析。②詳細(xì)閱讀冠脈造影影像資料,并將觀察組和對(duì)照組資料進(jìn)行對(duì)比分析。③統(tǒng)計(jì)所有入選病例發(fā)病4周內(nèi)出現(xiàn)心功能不全、嚴(yán)重心律失常、心源性休克等并發(fā)癥的發(fā)生率,并將觀察組和對(duì)照組資料短期預(yù)后情況進(jìn)行對(duì)比分析。

      1.3 統(tǒng)計(jì)方法

      全部數(shù)據(jù)采用SPSS 17.0 統(tǒng)計(jì)學(xué)軟件進(jìn)行統(tǒng)計(jì)學(xué)分析。計(jì)數(shù)資料用χ2檢驗(yàn),P<0.05為差異有統(tǒng)計(jì)學(xué)意義。

      2 結(jié)果

      ①青年STEMI組男性發(fā)病率明顯高于女性:觀察組48例,其中男性43例(89.6%)。女性5例(10.4%)。②青年STEMI組大量吸煙、肥胖、高脂血癥、冠心病家族史明顯多于高齡STEMI組(P<0.05),而高血壓病病史、糖尿病病史明顯低于高齡STEMI組(P<0.05)。青年STEMI組發(fā)病誘因(情緒波動(dòng)、過(guò)勞、大量飲酒等)明顯多于高齡STEMI組(P<0.05),見(jiàn)表1。

      ③青年STEMI組多為冠脈單支病變,血栓負(fù)荷相對(duì)較重,高齡STEMI組多為多支病變,血栓負(fù)荷相對(duì)較輕(P<0.05),見(jiàn)表2。

      ④青年STEMI組短期預(yù)后(發(fā)病4周)相對(duì)較好。心功不全發(fā)生率明顯低于高齡STEMI組(P<0.05),見(jiàn)表3。

      3 討論

      冠心病是內(nèi)在不可控危險(xiǎn)因素(年齡、 性別、遺傳等)與外在可控的危險(xiǎn)因素(吸煙、血 脂異常、糖尿病、高血壓病、肥胖等)共同作用的結(jié)果[2]。隨著冠心病發(fā)病年齡的降低,青年人冠心病發(fā)病率逐年增高。有報(bào)道[3-4]青年人急性心肌梗死的發(fā)生率約占同期急性心肌梗死發(fā)生率的3%~6%。且發(fā)生率呈逐年增高的趨勢(shì),因此急性心肌梗死越來(lái)越成為威脅青年人生命和健康的嚴(yán)重疾病之一。資料顯示,青年組急性心肌梗死多以急性ST段抬高型心肌梗死為主[5],且?guī)缀醵及l(fā)生于男性。張飛飛等[6]病例研究中,青年急性心肌梗死組男性發(fā)病率高達(dá)96.2%。在該研究中,青年STEMI組共 48例,其中男性43例(89.6%)。女性5例(10.4%)。男性發(fā)病率明顯高于女性。王越越等[7-8]報(bào)道青年冠心病患者男性發(fā)病率明顯高于女性,危險(xiǎn)因素的Logistic回歸分析結(jié)果顯示,男性(OR=3.4)。其原因考慮與男性有更多的不良生活習(xí)慣,以及閉經(jīng)前女性雌激素水平較高有關(guān)。冠心病家族史在冠心病發(fā)病中具有重要作用,其發(fā)病機(jī)理除自身的獨(dú)立作用外,還通過(guò)易感基因的攜帶和危險(xiǎn)因素的家族聚集而使冠心病的患病風(fēng)險(xiǎn)增加。在該研究中,青年STEMI組冠心病家族史占56.3%,明顯高于老年STEMI組(29.2%)。大量吸煙是急性心肌梗死的獨(dú)立危險(xiǎn)因素。煙草中的尼古丁等成分可損傷血管內(nèi)皮,影響血管內(nèi)皮細(xì)胞功能,引發(fā)炎癥反應(yīng),同時(shí)吸煙可以促進(jìn)血小板聚集及誘發(fā)冠脈痙攣。在該研究中,青年STEMI組大量吸煙者占72.9%,明顯高于老年STEMI組。Meta 分析顯示,戒煙可使冠心病患者全因死亡的相對(duì)危險(xiǎn)減低 36%,非致死性心肌梗死的相對(duì)危險(xiǎn)降低32%[9]。隨著人們生活水平的提高 ,膳食結(jié)構(gòu)的改變,使青年人肥胖發(fā)生率逐年增加。肥胖與脂代謝和糖代謝異常密切相關(guān),可影響冠心病的其他危險(xiǎn)因素。在尸檢中發(fā)現(xiàn)肥胖與冠狀動(dòng)脈粥樣硬化程度存在相關(guān)性,而肥胖患者的心臟負(fù)荷增加可使冠脈循環(huán)受損的患者突發(fā)急性事件。在該研究中,青年STEMI組肥胖占60.4%,明顯高于老年STEMI組。資料顯示,青年人冠脈狹窄程度有時(shí)并不嚴(yán)重,常在勞累、大量吸煙、暴飲暴食、情緒緊張等誘因刺激下交感神經(jīng)過(guò)度興奮,突發(fā)的冠脈痙攣引起斑塊破裂,血小板凝聚增強(qiáng),繼之血栓形成,導(dǎo)致急性心肌梗死[10]。而老年組隨著年齡的增長(zhǎng),往往存在不同程度的冠脈粥樣硬化性病變,在一定的誘發(fā)因素刺激下斑塊破裂,血栓形成,導(dǎo)致急性心肌梗死。該研究冠狀動(dòng)脈造影結(jié)果與既往研究結(jié)果相似[11],青年STEMI組多為冠脈單支病變(70.8%),血栓負(fù)荷相對(duì)較重,而高齡STEMI組多為冠脈多支病變(80.6%)。青年STEMI組中有1例未見(jiàn)明顯冠脈狹窄病變,其STEMI的發(fā)生考慮與冠脈持續(xù)痙攣有關(guān)。于艷麗等[12]報(bào)道青年組急性心肌梗死組心力衰竭和心源性休克的發(fā)生率,以及住院期間死亡率都低于老年組。在該研究中,青年STEMI組心功不全發(fā)生率明顯低于高齡STEMI組(P<0.05)。但心源性休克和嚴(yán)重心律失常的發(fā)生率與高齡STEMI組相比差異無(wú)統(tǒng)計(jì)學(xué)意義(P>0.05),考慮與研究樣本量相對(duì)較少有關(guān)。

      綜上所述,青年STEMI的發(fā)生與一些危險(xiǎn)因素和誘發(fā)因素密切相關(guān)。充分認(rèn)識(shí)其發(fā)病特點(diǎn),積極進(jìn)行健康宣教,對(duì)于防治青年STEMI是十分重要的。培養(yǎng)良好的生活習(xí)慣和飲食習(xí)慣,如戒煙限酒、勞逸適度、適當(dāng)運(yùn)動(dòng)、控制體重、心態(tài)平和等,可有效地減少青年STEMI的發(fā)生。同時(shí)一旦發(fā)病,應(yīng)盡早就診,積極開(kāi)通梗死相關(guān)血管,改善預(yù)后。

      [參考文獻(xiàn)]

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      [5] Ariyoshi M,Shiraishi J,Kimura M. Primary percutaneous coronary intervention for acute myocardial infarction due to possible sequelae of Kawasaki disease in young adults:a case series[J].Heart Vessels, 2011,26(1):17-120.

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      [10] 陸銘.主動(dòng)脈內(nèi)球囊反搏在老年急性冠脈綜合癥中的應(yīng)用及對(duì)預(yù)后的影響[J].中華老年心血管病雜志,2012,14(11):1162-1165.

      [11] 趙琳茹,陳欣.急性心肌梗死患者紅細(xì)胞體積分布寬度及其變化與冠脈病變程 度的關(guān)系及對(duì)近期預(yù)后的評(píng)估[J].實(shí)用醫(yī)學(xué)雜志,2015,31(2):250-252.

      [12] 于艷麗,黃家中,李悅,等.40歲以下青年急性心肌梗死患者臨床特點(diǎn)分析[J].中國(guó)醫(yī)科大學(xué)學(xué)報(bào),2015,44(1):77-80

      (收稿日期:2016-11-16)

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