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        不同劑量瑞舒伐他汀對急性心肌梗死患者急診PCI血漿sOX40L的影響

        2014-06-12 05:19:14王慧徐萍王萬糧等
        中國當代醫(yī)藥 2014年11期
        關鍵詞:瑞舒伐他汀急性心肌梗死

        王慧 徐萍 王萬糧等

        [摘要] 目的 探討不同劑量瑞舒伐他汀對急性心肌梗死(AMI)患者急診PCI血漿sOX40L的影響。 方法 將入選的行急診PCI的66例AMI患者隨機分為A組(急診PCI術前12 h內給予瑞舒伐他汀20 mg,術后20 mg口服,每晚1次,口服7 d)和B組(術前口服安慰劑,PCI術后瑞舒伐他汀10 mg,每晚1次,口服7 d)。觀察術前及術后不同時間點sOX40L和hs-CRP水平的變化。 結果 兩組間PCI術前sOX40L和hs-CRP水平比較,差異無統(tǒng)計學意義(P>0.05),hs-CRP分別為(18.40±2.64)、(17.95±2.72)mg/L,sOX40L分別為(30.24±18.14)、(30.83±18.68)pg/ml;PCI術后24 h兩組患者sOX40L和hs-CRP的水平均較術前均明顯升高(P<0.05),hs-CRP分別為(27.64±2.75)、(28.18±2.91)mg/L,sOX40L分別為(38.71±17.36)、(41.93±17.71)pg/ml;PCI術后48 h及7 d,與B組比較,A組的sOX40L和hs-CRP水平明顯降低(P<0.05)。 結論 PCI可增加sOX40L、hs-CRP的表達;瑞舒伐他汀可有效減輕AMI患者急診PCI術后炎癥反應,且高劑量效果更優(yōu)。

        [關鍵詞] 急性心肌梗死;PCI;sOX40L;瑞舒伐他汀

        [中圖分類號] R542.2 [文獻標識碼] A [文章編號] 1674-4721(2014)04(b)-0046-03

        [Abstract] Objective To investigate the effect of different doses rosuvastatin on plasma level of sOX40L and myocardial damage in acute myocardial infarction patients undergoing primary PCI. Methods 66 cases of acute myocardial infarction patients underwent primary PCI were enrolled.These patients were divided into two groups:A group(rosuvastatin 20 mg for pre-operation 12 h and rosuvastatin 20 mg, 1 times a night,for 7 days in post-operation),B group(placebo for pre-operation and rosuvastatin 10 mg,1 times a night,for 7 days in post-operation).The difference plasma level of sOX40L and hs-CRP were examined in designed time points between the two groups were observed. Results The differences of sOX40L and hs-CRP between the two groups were not obviously different before PCI(P>0.05),which with the levels of hs-CRP was(18.40±2.64),(17.95±2.72)mg/L,the levels of sOX40L was(30.24±18.14),(30.83±18.68)pg/ml.Between two groups,the level of sOX40L and hs-CRP were increased more distinctly at 24 hours after PCI as compared with before PCI(P<0.05),which with the levels of hs-CRP was(27.64±2.75),(28.18±2.91)mg/L,the levels of sOX40L was(38.71±17.36),(41.93±17.71)pg/ml.In the post-operation for 48 hours and 1 week,the level of sOX40L and hs-CRP were decreased more significantly in A group than those of B group(P<0.05). Conclusion PCI can increases the level of sOX40L and hs-CRP.For acute myocardial infarction patients undergoing primary PCI,treatments with high-dose rosuvastatin can decline inflammatory reaction,improve the stability of vulnerable plaque.

        [Key words] Acute myocardial infarction;Percutaneous coronary intervention;sOX40L;Rosuvastatin

        急性心肌梗死(acute myocardial infarction,AMI)急性期病死率約為30%,預后較差。目前經(jīng)皮冠狀動脈介入術(percutaneous coronary intervention,PCI)被廣泛應用于AMI患者的心肌血流重建中,急性期行介入術治療使既往30%左右的住院死亡率下降至4%左右[1],證明其有助于改善預后,但另一方面目前認為PCI亦可誘導和加重局部炎癥反應,導致術后再狹窄或血栓形成以及缺血事件的再發(fā)生,造成心肌損傷[2]。有研究表明,穩(wěn)定型心絞痛患者成功實施擇期PCI后,約70%的患者出現(xiàn)術后心肌壞死標志物的升高,與炎癥因子關系密切。OX40L是冠心病新的促炎癥介質,與急性冠狀動脈事件發(fā)生率呈正相關;他汀類藥物具有抗炎癥、穩(wěn)定斑塊的作用,可降低缺血事件的發(fā)生。本項目針對AMI患者不同劑量瑞舒伐他汀對急診PCI血漿sOX40L的影響進行了研究。

        1 資料與方法

        1.1 一般資料

        選擇2012年8月~2013年11月在我院心內科住院的AMI患者66例,所有入選患者均行急診PCI。依據(jù)臨床及冠狀動脈造影結果診斷為AMI,其診斷標準參照中華醫(yī)學會心血管病學分會、中華心血管病雜志編輯委員會推薦和制訂的AMI診斷和治療指南。根據(jù)治療方法的不同將患者隨機分為A組和B組。A組34例,其中,男性 18例,女性 16例;年齡51~77歲,平均(65.7±8.4)歲。B組32例,其中,男性 17例,女性15例;年齡51~77歲,平均(62.6±6.8)歲。排除標準:合并風濕性心臟病及擴張型心肌病等其他心臟疾病、感染性疾病、腫瘤及免疫性疾病、嚴重心功能及肝腎功能不全、血液系統(tǒng)疾病、神經(jīng)系統(tǒng)疾病、外周血管疾病、他汀類藥物禁忌證、入院前調脂藥物服藥史。兩組患者的性別、年齡等一般資料比較,差異均無統(tǒng)計學意義(P>0.05),具有可比性。

        1.2 治療方法

        A組:急診PCI術前12 h內給予瑞舒伐他汀20 mg,術后20 mg口服,每晚1次,口服7 d。B組:術前口服安慰劑,PCI術后瑞舒伐他汀10 mg,每晚1次,口服7 d。兩組患者支架置入數(shù)量、抗凝藥物、硝酸酯藥物、ACEI或ARB、β-受體阻滯劑的應用情況差異均無統(tǒng)計學意義(P>0.05)。

        1.3 檢測方法

        所有患者分別在術前、術后24 h、48 h、7 d采集肘靜脈血3 ml,置入EDTA抗凝管,3000 r/min離心15 min,分離上清血漿,在-80℃環(huán)境下保存。

        1.3.1 血漿sOX40L的測定 嚴格按照說明書操作。應用酶聯(lián)免疫吸附法(ELISA)測定血漿sOX40L。向預先包被sOX40L抗體的包被微孔中,依次加入標本、標準品、辣根過氧化物酶(HRP)標記的檢測抗體。用封板膜封住反應孔,37℃恒溫箱溫育60 min。洗板機洗板5次。每孔加入底物TMB顯色,37℃避光溫育15 min,顯藍色后,每孔加入終止液。在450 nm波長處測定各孔OD值,通過標準曲線得到標本sOX40L濃度值。

        1.3.2 高敏C反應蛋白(hs-CRP)的測定 應用免疫熒光雙抗體夾心法。嚴格按照說明書操作。

        1.4 統(tǒng)計學方法

        采用SPSS 14.0統(tǒng)計學軟件對相關數(shù)據(jù)進行分析,計量資料以均數(shù)±標準差(x±s)表示,兩組間均數(shù)的比較采用t檢驗,以P<0.05為差異有統(tǒng)計學意義。

        2 結果

        兩組間PCI術前sOX40L和hs-CRP水平比較,差異無統(tǒng)計學意義(P>0.05);PCI術后24 h兩組患者sOX40L和hs-CRP水平均較術前明顯增高(P<0.05);PCI術后48 h及7 d,與B組比較,A組患者的sOX40L和hs-CRP水平明顯降低(P<0.05)(表1)。

        3 討論

        急診PCI是治療AMI的有效方法,但術后早期再發(fā)心肌缺血、心力衰竭、猝死等嚴重不良心血管事件率仍較高,這些不良事件的發(fā)生與急性或亞急性支架內血栓形成、血管邊支閉塞、支架再狹窄和心肌重構等多種因素有關,其病理生理機制可能與PCI誘導和加重局部炎癥反應、炎癥因子介導心肌損傷有關[3-4]。PCI時支架作為異物對局部組織產生刺激,促使炎癥因子釋放;球囊擴張及支架置入機械損傷造成血管內皮損傷、斑塊破裂激活炎癥因子的表達[5]。Karaca等[6]發(fā)現(xiàn)PCI術后患者體內存在有一種被激活的、放大的炎癥反應,且與預后不良密切相關。sOX40L是血漿可溶性OX40L,屬TNF家族成員,是與急性冠狀動脈綜合征密切相關的新型炎癥因子,在動脈粥樣硬化形成及其臨床結局中起到重要作用[7]。Wang等[8]研究表明,幾乎在動脈粥樣硬化斑塊處的所有細胞中均可檢測到OX40L的表達,但是在壞死的斑塊核心及正常血管壁中幾乎檢測不出。Ria等[9]研究發(fā)現(xiàn),在AMI人群中,編碼OX40L基因序列中的一個變異基因出現(xiàn)頻率顯著性增高,提示OX40L與AMI密切相關。OX4OL通過與OX4O結合,在抑制細胞的凋亡,增加CD4+T細胞的數(shù)量及功能,多種炎癥因子釋放及后續(xù)放大的炎癥免疫反應中均發(fā)揮極為重要的作用[10]。激活的T細胞是參與動脈粥樣硬化進程的重要炎性致病因素[11]。hs-CRP是炎癥的標志性因子,心血管疾病獨立的危險因子[12],對預測斑塊易損性具有較高的準確度和靈敏度[13]。

        他汀類藥物獨立于調脂的多效性已日益受到關注,因其可以全面改善內皮的功能、減低炎癥反應、抗氧化、穩(wěn)定易損斑塊,減少不良心臟缺血事件的發(fā)生。據(jù)文獻報道,目前實驗研究中證實瑞舒伐他汀是第一個能夠穩(wěn)定逆轉動脈粥樣硬化斑塊、縮小斑塊體積的他汀類調脂藥物[14];ACS患者在行冠狀動脈介入術前強化瑞舒伐他汀治療1年后主要不良心源性終點事件(心源性死亡、非致死性心肌梗死等)相對安慰劑組降低顯著[15]。本研究結果表明,兩組間PCI術前sOX40L和hs-CRP水平比較,差異無統(tǒng)計學意義(P>0.05);PCI術后24 h兩組患者sOX40L和hs-CRP水平均較術前明顯增高(P<0.05),提示PCI可能誘發(fā)和加重冠狀動脈病變局部炎癥反應;與B組比較,A組患者PCI術后48 h和7 d的sOX40L和hs-CRP水平明顯降低(P<0.05),這一結果提示他汀類藥物可有效地控制PCI術后炎癥反應,且有劑量依賴性,早期應用較大劑量瑞舒伐他汀具有更強的抑制炎癥作用,這可能是改善PCI術后不良冠狀動脈事件發(fā)生的機制之一。

        本研究應用不同劑量瑞舒伐他汀對AMI行PCI患者進行干預治療,觀察血漿sOX40L與hs-CRP的變化情況,為改善AMI患者PCI術后的近、遠期效果,降低炎癥提供了科學依據(jù)。

        [參考文獻]

        [1] Widimsky P,Budesinsky T,Vorar D,et al.Long distance transport for primary angiop lasty vs immediate thrombolysis in acute myocardial infarction[J].Eur Heart J,2003,24(1):94-104.

        [2] Lim SY,Jeong MH,Bae EH.Predictive factors of major adverse cardiac events in acute myocardial infarction patients complicated by cardiogenic shock undergoing primary percutaneous coronary intervention[J].Circ J,2005, 69(2):154-158.

        [3] Desch S,EitelI,Schmitt J,et al.Effect of coronary collaterals on microvascular obstruction as assessed by magnetic resonance imaging in patients with acute ST-elevation myocardial infarction treated by primary coronary intervention[J].Am J Cardiol,2009,104(9):1204-1209.

        [4] Rodes-Cabau J,Tardif JC,Cossette M,et al.Acute effects of statin therapy on coronary atherosclerosis following an acute coronary syndrom[J].Am J Cardiol, 2009, 104(6):750-757.

        [5] Harrington RA.Cardiac enzyme eleuation after percutaneous coronary intervention:myonecrosis,the coronary micro circulation and mortality[J].J Am Coll Cardiol,2000,35(5):1142-1144.

        [6] Karaca I,Aydin K,Yavuzkir M,et al.Predictive Value of C-reactive protein in patients with unstable angina pectoris undergoing coronary artery stent implantation[J].J Int Med Res,2005,33(4):389-396.

        [7] Boer OJ,Becker A.T lymphocytes in atherogenesis-functional aspects and antigenic repertoire[J].Cardiovasc Res,2003,60(1):78-86.

        [8] Wang X,Ria M,Kelmenson PM,et al.Positional identification of TNFSF4,encoding OX40 ligand,as a gene that influences atherosclerosis susceptibility[J].Nat Genet,2005, 37(4):365-372.

        [9] Ria M,Eriksson P,Boquist S,et al.Human genetic evidence that OX40 is implicated in myocardial infarction[J].Biochem Biophys Res Commun,2006,339(3):1001-1006.

        [10] Bernhagen J,Calandra T,Calandra T,et al.MIF is a pituitary-derived cytokine that potentiatates lethal enditoxemia[J].Nature,1993,365(6448):756-759.

        [11] de Boer OJ,Becker AE,van der Wal AC.T lymphocytes in atherogenesis——functional aspects and antigenic repertorire[J].Cardiovasc Res,2003,60(1):78-86.

        [12] 方永鵬,牛旭東,石學寧,等.冠心病與超敏CRP水平的關系[J].寧夏醫(yī)學院學報,2007,29(4):383-384.

        [13] Uydu HA,Bostan M,Yilmaz A,et al.Comparision of inflammatory biomarkers for detection of coronary stenosis in patients with stable coronary artery disease[J].Eur Rev Med Pharmacol Sci,2013,17(1):112-118.

        [14] Endres M.Statins:potential new indications in inflammatory conditions[J].Atheroscler Suppl,2006,7(1):31-35.

        [15] Yun KH,Oh SK,Rhee SJ,et al.12-month follow-up results of high dose rosuvastatin loading before percutaneous coronary intervention in patients with acute coronary syndrome[J].Int J Cardiol,2011,146(1):68-72.

        (收稿日期:2014-01-21 本文編輯:袁 成)

        [2] Lim SY,Jeong MH,Bae EH.Predictive factors of major adverse cardiac events in acute myocardial infarction patients complicated by cardiogenic shock undergoing primary percutaneous coronary intervention[J].Circ J,2005, 69(2):154-158.

        [3] Desch S,EitelI,Schmitt J,et al.Effect of coronary collaterals on microvascular obstruction as assessed by magnetic resonance imaging in patients with acute ST-elevation myocardial infarction treated by primary coronary intervention[J].Am J Cardiol,2009,104(9):1204-1209.

        [4] Rodes-Cabau J,Tardif JC,Cossette M,et al.Acute effects of statin therapy on coronary atherosclerosis following an acute coronary syndrom[J].Am J Cardiol, 2009, 104(6):750-757.

        [5] Harrington RA.Cardiac enzyme eleuation after percutaneous coronary intervention:myonecrosis,the coronary micro circulation and mortality[J].J Am Coll Cardiol,2000,35(5):1142-1144.

        [6] Karaca I,Aydin K,Yavuzkir M,et al.Predictive Value of C-reactive protein in patients with unstable angina pectoris undergoing coronary artery stent implantation[J].J Int Med Res,2005,33(4):389-396.

        [7] Boer OJ,Becker A.T lymphocytes in atherogenesis-functional aspects and antigenic repertoire[J].Cardiovasc Res,2003,60(1):78-86.

        [8] Wang X,Ria M,Kelmenson PM,et al.Positional identification of TNFSF4,encoding OX40 ligand,as a gene that influences atherosclerosis susceptibility[J].Nat Genet,2005, 37(4):365-372.

        [9] Ria M,Eriksson P,Boquist S,et al.Human genetic evidence that OX40 is implicated in myocardial infarction[J].Biochem Biophys Res Commun,2006,339(3):1001-1006.

        [10] Bernhagen J,Calandra T,Calandra T,et al.MIF is a pituitary-derived cytokine that potentiatates lethal enditoxemia[J].Nature,1993,365(6448):756-759.

        [11] de Boer OJ,Becker AE,van der Wal AC.T lymphocytes in atherogenesis——functional aspects and antigenic repertorire[J].Cardiovasc Res,2003,60(1):78-86.

        [12] 方永鵬,牛旭東,石學寧,等.冠心病與超敏CRP水平的關系[J].寧夏醫(yī)學院學報,2007,29(4):383-384.

        [13] Uydu HA,Bostan M,Yilmaz A,et al.Comparision of inflammatory biomarkers for detection of coronary stenosis in patients with stable coronary artery disease[J].Eur Rev Med Pharmacol Sci,2013,17(1):112-118.

        [14] Endres M.Statins:potential new indications in inflammatory conditions[J].Atheroscler Suppl,2006,7(1):31-35.

        [15] Yun KH,Oh SK,Rhee SJ,et al.12-month follow-up results of high dose rosuvastatin loading before percutaneous coronary intervention in patients with acute coronary syndrome[J].Int J Cardiol,2011,146(1):68-72.

        (收稿日期:2014-01-21 本文編輯:袁 成)

        [2] Lim SY,Jeong MH,Bae EH.Predictive factors of major adverse cardiac events in acute myocardial infarction patients complicated by cardiogenic shock undergoing primary percutaneous coronary intervention[J].Circ J,2005, 69(2):154-158.

        [3] Desch S,EitelI,Schmitt J,et al.Effect of coronary collaterals on microvascular obstruction as assessed by magnetic resonance imaging in patients with acute ST-elevation myocardial infarction treated by primary coronary intervention[J].Am J Cardiol,2009,104(9):1204-1209.

        [4] Rodes-Cabau J,Tardif JC,Cossette M,et al.Acute effects of statin therapy on coronary atherosclerosis following an acute coronary syndrom[J].Am J Cardiol, 2009, 104(6):750-757.

        [5] Harrington RA.Cardiac enzyme eleuation after percutaneous coronary intervention:myonecrosis,the coronary micro circulation and mortality[J].J Am Coll Cardiol,2000,35(5):1142-1144.

        [6] Karaca I,Aydin K,Yavuzkir M,et al.Predictive Value of C-reactive protein in patients with unstable angina pectoris undergoing coronary artery stent implantation[J].J Int Med Res,2005,33(4):389-396.

        [7] Boer OJ,Becker A.T lymphocytes in atherogenesis-functional aspects and antigenic repertoire[J].Cardiovasc Res,2003,60(1):78-86.

        [8] Wang X,Ria M,Kelmenson PM,et al.Positional identification of TNFSF4,encoding OX40 ligand,as a gene that influences atherosclerosis susceptibility[J].Nat Genet,2005, 37(4):365-372.

        [9] Ria M,Eriksson P,Boquist S,et al.Human genetic evidence that OX40 is implicated in myocardial infarction[J].Biochem Biophys Res Commun,2006,339(3):1001-1006.

        [10] Bernhagen J,Calandra T,Calandra T,et al.MIF is a pituitary-derived cytokine that potentiatates lethal enditoxemia[J].Nature,1993,365(6448):756-759.

        [11] de Boer OJ,Becker AE,van der Wal AC.T lymphocytes in atherogenesis——functional aspects and antigenic repertorire[J].Cardiovasc Res,2003,60(1):78-86.

        [12] 方永鵬,牛旭東,石學寧,等.冠心病與超敏CRP水平的關系[J].寧夏醫(yī)學院學報,2007,29(4):383-384.

        [13] Uydu HA,Bostan M,Yilmaz A,et al.Comparision of inflammatory biomarkers for detection of coronary stenosis in patients with stable coronary artery disease[J].Eur Rev Med Pharmacol Sci,2013,17(1):112-118.

        [14] Endres M.Statins:potential new indications in inflammatory conditions[J].Atheroscler Suppl,2006,7(1):31-35.

        [15] Yun KH,Oh SK,Rhee SJ,et al.12-month follow-up results of high dose rosuvastatin loading before percutaneous coronary intervention in patients with acute coronary syndrome[J].Int J Cardiol,2011,146(1):68-72.

        (收稿日期:2014-01-21 本文編輯:袁 成)

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