白细胞介素-18与免疫性肾损伤

白细胞介素 1 8是一种Th1类细胞因子 ,它主要由活化的单核 巨噬细胞产生 ,与白细胞介素 1 β有相似的结构 ,而与白细胞介素 1 2有相似的生物学功能 ,特别是具有极强的诱生γ 干扰素和增强NK细胞的细胞毒能力。可能在感染、肿瘤和自身免疫性疾病等方面起重要作用。作为一种免疫调节因子 ,研究IL 1 8在肾小球疾病中的作用对进一步明确免疫性肾损伤的发病机制和寻找治疗该类疾病的新途径具有潜在的价值     

尿肾损伤分子1与白细胞介素18对急性肾损伤患者的诊断价值

目的：观察尿肾损伤分子1（kidney inj ury molecule-1,Kim-1）与白细胞介素18（inter-leukin-18,IL-18）在急性肾损伤（acute kidney injury,AKI）患者中的变化,探讨其对 AKI的诊断价值。方法选择我院确诊为AKI患者71例（AKI组）,并根据AKI分期,分为AKI 1期组23例、AKI 2期组25例和 AKI 3期组23例;另选择同时期我院体检中心健康体检者30名（健康对照组）,分别检测2组患者尿Kim-1、尿 IL-18及血肌酐（SCr）水平。结果 AKI组 SCr、尿Kim-1较健康对照组明显升高（P〈0.01）,尿 IL-18亦升高（P〈0.05）,与健康对照组比较,SCr、尿 Kim-1在 AKI 1期组、AKI 2期组、AKI 3期组均明显升高（P〈0.01）,尿 IL-18在 AKI 2期组、AKI 3期组亦明显升高（P〈0.01）,在 AKI 1期组虽升高,但差异无统计学意义（P〉0.05）;与 AKI 1期组比较,SCr、尿 Kim-1在 AKI 2期组、AKI 3期组均明显升高（P〈0.01）,尿IL-18在AKI 2期升高（P〈0.05）,在AKI 3期组亦升高（P〈0.01）,与 AKI 2期组比较,SCr、尿 Kim-1及尿 IL-18在 AKI 3期组均明显升高（P〈0.01）;而且相关性分析显示,尿 Kim-1与 SCr 呈正相关（r=0.842,P〈0.01）;尿 IL-18与 SCr 呈正相关（r=0.785,P〈0.01）;尿Kim-1与尿 IL-18呈正相关（r=0.756,P〈0.01）。而 ROC 曲线下面积比较结果显示,尿Kim-1（0.915）明显大于尿 IL-18（0.807）（P〈0.05）。结论尿 Kim-1、尿 IL-18在 AKI患者中升高,二者均可能作为 AKI的诊断标准,且尿Kim-1诊断价值可能更高。     

白细胞介素—18与免疫性肾损伤

白细胞介素－１８是一种Ｔｈｌ类细胞因子,它主要由活化的单核－巨噬细胞产生,与白细胞介素－１β有相似的结构,而与白细胞介素１２有相似的生物学功能,特别是具有极强的诱生γ－干扰素和增强ＮＫ细胞的细胞毒能力。可能在感染、肿瘤和自身免疫性疾病等方面起重要作用。作为一种免疫调节因子,研究ＩＬ－１８在肾小球疾病中的作用对进一步明确免疫性肾损伤的发病机制和寻找治疗该类疾病的新途径具有潜在的价值。     

体外循环下冠脉搭桥术后急性肾损伤的危险因素和预后分析

【摘要】〓目的〓探讨体外循环下冠脉搭桥患者术后发生急性肾损伤(Acute kidney injury, AKI)的危险因素及预后。 方法〓根据AKI诊断标准:48 h血肌酐升高绝对值≥26.4 umol/L,或血肌酐较基础值升高≥50%;尿量减少(尿量<0.5 mL·kg-1·h-1,时间超过6 h),将2007年1月至2013年10月收治的189例体外循环下冠脉搭桥患者分为急性肾损伤组(AKI组,18例)和非急性肾损伤组(非AKI组,171例),比较二组临床特点及并发症和死亡率。结果〓AKI发生率9.5%(18例)。AKI组住院死亡率为22.2%,明显高于非AKI组3.5%(P<0.05)。AKI组与非AKI组在,平均年龄(P=0.019),糖尿病患病率(P=0.035),原发性高血压患病率(P=0.026),慢性阻塞性肺疾病患病率(P=0.024),EuroSCORE (The European System for Cardiac Operative Risk Evaluation)评分(P=0.002),术中体外循环时间(P=0.012),主动脉内球囊反搏(IABP)使用率(P=0.028),术后肾小球滤过率(P<0.001)等方面存在统计学差异。结论〓年龄、糖尿病、原发性高血压、慢性阻塞性肺疾病、EuroSCORE评分、术中体外循环时间、主动脉内球囊反搏(IABP)使用是体外循环下冠脉搭桥术后发生AKI的危险因素,发生AKI患者死亡风险较高。     

尿白细胞介素-18在慢性肾脏病基础上急性肾损伤诊断中的意义

目的：研究尿液白细胞介素-18（IL-18）在慢性肾脏病基础上急性肾损伤（AonC）诊断中的应用价值。方法：入选住院的AonC患者（AonC组）、稳定的慢性肾脏疾病（CKD对照组）患者及体检中心无CKD的体检者（正常对照组）各28例,分别收集各组的临床、实验室检查资料及尿液标本;采用ELISA方法检测尿IL-18水平,用比色法检测尿N-乙酰-β-D氨基葡萄糖酐酶（NAG）水平,进行综合分析。结果：尿IL-18水平在AonC组、CKD对照组和正常对照组分别为343.10（230.76～721.78）ng/L、205.97（137.06～319.62）ng/L、44.44（12.42～107.19）ng/L。AonC组尿IL-18水平显著高于CKD对照组和正常对照组（P〈0.01）。相关性分析显示,AonC组尿IL-18水平与血清肌酐水平呈正相关（r=0.665,P〈0.01）。ROC曲线分析提示,尿IL-18在AonC诊断中特异性较高,曲线下面积为0.886,P〈0.01;当以212.4ng/L为截点时,其在诊断AonC时的敏感性和特异性分别为85.7%和76.8%。3组患者尿液NAG水平亦存在统计学意义（P〈0.01）,但尿NAG水平与Scr无显著性相关。ROC曲线分析显示,曲线下面积为0.67。当检测的截点为10.5U/L时,其诊断的敏感性和特异性分别为74.1%和58.9%。结论：尿IL-18水平在慢性肾脏病基础上急性肾损伤时明显上升,在慢性肾脏病基础上急性肾损伤诊断中的意义值得进一步研究。     

尿液白介素18在冠状动脉介入术后造影剂肾损伤早期诊断中的意义

目的前瞻性研究尿液白介素18（IL-18）在早期预测和诊断冠状动脉造影术后急性肾损伤中的意义。方法收集150例接受冠状动脉造影及介入治疗患者的资料。造影剂肾病（CIN）以传统方法定义。用酶法测术前及术后24 h、48～72 h Scr值。留取患者术前、术后24 h尿液,用ELISA法检测发生CIN患者尿液IL-18、尿N-乙酰-β-D氨基葡萄糖酐酶（NAG）及尿视黄醇结合蛋白（RBP）的水平,并与未发生CIN的患者比较。结果150例患者中13例发生了CIN,发生率为8.7%。使用造影剂后24 h,患者尿液IL-18（ng/L）和NAG（U/L）水平显著升高[分别为15.06（12.21,21.31）比11.62（9.37,13.86）;13.88（7.09,33.23）比10.09 （5.96,16.62）,P均〈0.05];而尿RBP和Scr无显著变化。与非CIN组比较,CIN组术后尿IL-18 （ng/L）显著升高[18.97（13.64,48.57）比14.01（11.91,17.77）,P〈0.05]。相关分析显示,CIN组尿液IL-18与Scr呈正相关（r=0.664,P：0.013）,而尿NAG和RBP与Scr无相关。ROC分析证实,尿液IL-18在CIN早期诊断中的准确性较高,曲线下面积为0.749,P=0.012;当以15.8 ng/L作为诊断截点时,其在CIN诊断中的敏感性和特异性分别为69.2%和74.1%。队列研究结果显示,尿IL-18明显升高患者CIN发病的危险度最高,RR达3.125;而且在CIN患者中,尿IL-18明显上升的构成比最高（P〈0.05）。结论尿IL-18可较Scr更早提示造影剂肾脏损伤的发生,可能为较好的CIN早期诊断标志物。     

心脏术后尿中性粒细胞明胶酶相关脂质运载蛋白和白细胞介素18与急性肾损伤的关系

目的 探讨接受体外循环心脏手术患者尿中性粒细胞明胶酶相关脂质运载蛋白（NGAL）和尿白细胞介素18（IL-18）与急性肾损伤（AKI）的关系。 方法 根据AKI的诊断标准，将33例体外循环心脏手术的患者分为AKI组及非AKI组，分别留取术前及术后不同时间点的血液和尿液标本，测定Scr、尿NGAL和IL-18水平。 结果 33例中有9例发生AKI，发生率为27.27%。AKI组Scr升高峰值出现在12～48 h内。与术前相比， AKI组术后2 h、4 h尿NGAL及IL-18水平升高，差异有统计学意义（P < 0.01）。与非AKI组比较，AKI组术后各时间点的尿NGAL水平、术后2 h及4 h的尿IL-18水平都较高，差异有统计学意义（P < 0.01）。经尿肌酐（Ucr）校正后，相应时间点的NGAL/Ucr和IL-18/Ucr差异仍有统计学意义（P < 0.01）。术后2 h尿NGAL和尿NGAL/Ucr的界定（cutoff） 值分别在250 µg/L和250 µg/mmol时；术后2 h尿IL-18和尿IL-18/Ucr的界定值分别在1800 ng/L和1800 ng/mmol时，体现出较好的敏感性和特异性。 AKI组术后12 h Scr水平与术后2 h尿NGAL水平呈正相关（r = 0.638，P < 0.05）。结论 体外循环下接受心脏手术的患者AKI发生率较高；术后2 h尿NGAL和NGAL/Ucr、术后2 h尿IL-18和尿IL-18/Ucr当达到一定界定值时，均可作为体外循环下心脏手术后AKI发生的早期诊断参考指标，其中术后2 h尿NGAL/Ucr为250 µg/mmol时更敏感。     

冠脉搭桥术后期间急性心肌梗死

冠心病患者 ,冠脉搭桥 (ＣＡＢＧ)术后期间发生急性心肌梗死 (ＡＭＩ) ,不仅使手术本身失去意义 ,而且还危及患者生命。近几年我们遇到 4例 ,现报告如下。资料与方法一般资料　 4例均为男性 ,年龄 4 6～ 77岁 ,体重 ( 75 2± 5 3 )ｋｇ。术前 3例ＥＣＧ正常或基本正常 ,1例轻微ＳＴ Ｔ改变 ,但冠脉造影证实都有两支以上动脉狭窄。诊断 :冠心病、心绞痛。 2例合并Ⅱ期高血压。既往均无心肌梗死史。术前内科系统治疗效果差。麻醉方法　全部在芬太尼全麻、体外循环下手术。 2例手术顺利 ,手术时间 <4小时 ,转流 1～ 2小时。另 2例手术时间≥ …     

血清IL-9、IL-18及IL-32水平对多发性骨髓瘤患者肾损伤的诊断价值

目的 探讨多发性骨髓瘤(multiple myeloma,MM)患者血清白细胞介素-9(inter-leukin-9,IL-9)、白细胞介素-18(interleukin-18,IL-18)及白细胞介素-32(interleukin-32,IL-32)的表达及其预测肾损伤的价值.方法 选取2016年1月至2019年12...     

尿IL-18水平对急性肾衰竭的早期诊断作用

急性肾功能衰竭是一类具有极高病死率的疾病,但目前因为缺乏敏感的生物学指标,难以对其进行有效的早期诊断。近来对白介素-18(IL-18)的研究提示了IL-18对早期诊断急性肾衰竭可能具有极高的敏感性和特异性,作为一种新的早期诊断指标具有巨大的临床应用潜力。     

非体外循环下冠状动脉旁路移植术后急性肾损伤危险因素分析

目的 分析出非体外循环下行冠状动脉旁路移植术后早期发生急性肾损伤的单因素和多因素危险因子.方法 分析2011年1月-2013年12月在非体外循环下行冠状动脉旁路移植术261例患者的临床资料,根据临床诊断AKI的标准,术后发生急性肾损伤的患者29例(AKI组),男22例,女7例,平均年龄(68.74±10.27)岁;未发生急性肾损伤的患者232例(非AKI组),男179例,女53例,平均年龄(66.26±9.82)岁.总结术前血压、左心室射血分数(LVEF)、左心室内径、血肌酐及术后并发症等,利用SPSS统计软件对急性肾损伤有关的因素进行Logistic回归分析.结果 全组AKI发病率为11.11％(29/261),住院死亡1例.统计学分析结果显示,术前血肌酐含量、麻醉时间、围术期输血是导致冠状动脉旁路移植术后发生AKI的危险因素.结论 AKI是冠状动脉旁路移植术后常见的并发症,术前应认真评估危险因素,加强肾功能保护才能降低AKI发生的风险.     

冠状动脉旁路移植术后急性肾损伤的危险因素临床分析

目的 探讨冠状动脉旁路移植术后急性肾损伤(AKI)的危险因素;明确体外循环是否是冠状动脉旁路移植术后独立危险因素.方法 根据AKI诊断标准:选择2010年9月-2013年11月在南京市第一医院行冠状动脉旁路移植术的患者209例,分为AKI组55例和非AKI组154例,通过单因素及多因素分析比较两组间可能的相关危险因素.结果 单因素分析中,AKI组中的性别(女性)、年龄、体重指数、高血压、基础血肌酐水平、心脏射血分数、冠状动脉粥样硬化数目、体外循环、主动脉球囊反博的循环支持、术后的低心排血量、乳酸水平均比非AKI组高(P＜0.05).多因素分析中,AKI组与非AKI组相比,基础血肌酐水平、心脏射血分数、体外循环、术后的低心排血量差异具有统计学意义(P＜0.05).结论 围术期的多种因素与冠状动脉旁路移植术后AKI的发生密切相关,基础血肌酐水平、心脏射血分数、体外循环、术后的低心排血量是冠状动脉旁路移植术后独立危险因素,采用非体外循环下行冠状动脉旁路移植术,有利于肾脏保护.     

Endogenous stem cells in patients undergoing coronary artery bypass graft surgery

Considerable research efforts have recently been made towards the application of autologous stem cell therapy for cardiovascular regeneration. Patients with coronary artery disease undergoing surgery represent a potential target. As yet, this approach has failed to obtain satisfactory evidence in clinical studies. However, several observational studies have described mobilising effect of cardiac surgery on endogenous stem cells, although the mechanisms of this phenomenon and its clinical relevance are not defined. This article reviews available clinical data on the effect of cardiac surgery on endogenous stem cells and outlines some of the controversies in this area.     

右美托咪定对心肺转流下冠状动脉旁路移植术后心脏同步化运动的影响

目的 探讨右美托咪定对心肺转流(CPB)下行冠状动脉旁路移植术(CABG)患者心脏同步化运动的影响.方法 择期CPB下行CABG患者24例,年龄43～75岁,体表面积1.53～2.00m2,ASAⅡ或Ⅲ级,心功能Ⅱ或Ⅲ级.采用随机数字表法分为两组:右美托咪定组(D组)和对照组(C组),每组12例.两组术中麻醉维持均采用全凭静脉麻醉,D组于主动脉开放后经微量注射泵静注右美托咪定负荷剂量0.5μg/kg(10 min内注射完),然后以0.5 μg·kg-1·h-1维持给药至术毕,C组静注等量生理盐水.分别于开胸前(T1)和CPB停机后30 min(T2)、60 min(T3)记录血流动力学指标:HR、MAP、CVP、心脏指数(CI),左右心室收缩功能指标:左室射血分数(LVEF)、右室射血分数(RVEF)和心脏同步性参数:PR间期、QRS时限、室间机械延迟(IVMD).结果 与T1时比较,T2、T3时两组HR明显增快、CI明显升高(P＜0.01);与C组比较,D组T2、T3时PR间期明显延长(P＜0.05).两组间QRS时限及IVMD差异无统计学意义.结论 CPB下冠状动脉旁路移植术患者,右美托咪定负荷剂量0.5μg/kg后以0.5μg· kg-1·h-1维持能够延长PR间期,影响房室间同步化运动,但对左右心室间电机械同步化运动无明显影响.     

Endoscopic sphincterotomy for cholangitis after recent coronary artery bypass graft surgery

It is particularly attractive to perform endoscopic retrograde cholangiopancreatography (ERCP) with sphincterotomy for cholangitis due to common bile duct stone because of the increased morbidity and mortality of the alternative therapy of choledochal exploration. The safety of therapeutic ERCP after recent myocardial injury is unknown since there are only five previously reported cases. Three patients underwent therapeutic ERCP after recent coronary artery bypass graft surgery for indication of recent cholangitis due to choledochal stones. Initially, the cholangitis was managed medically in all patients. Endoscopic sphincterotomy (ES) was performed 11, 17, and 14 days after coronary artery bypass graft surgery. The calculi were successfully extracted by sweeping the choledochus with a balloon-tipped catheter or basket in all cases. During ERCP the vital signs remained stable; no cardiac arrhythmias, hemorrhage, or pulmonary complications occurred. Our study demonstrates that therapeutic ERCP is not absolutely contraindicated after recent myocardial injury and suggests that ES is preferable to surgery for cholangitis due to common bile duct stones.     

Early extubation does not increase complication rates after coronary artery bypass graft surgery with cardiopulmonary bypass

Background: With the evolution of anesthesia and surgical procedures, fast track extubation has gained an increased interest, mainly based on the possibility of reducing health costs seemingly without compromising patient care. Aim: To compare two groups of patients submitted to a non-fast track extubation and a fast track extubation protocol after coronary artery bypass graft surgery with cardiopulmonary bypass, regarding their times of ventilation and intubation and their complication rates in the postoperative period. Methods: During the year of 1998, 323 sequential patients scheduled for isolated coronary artery bypass graft surgery with cardiopulmonary bypass were enrolled in the study. Fifty-nine patients were excluded due to preoperative use of emergent mechanical and/or inotropic hemodynamic support, low body mass index (≤18–20 kg/m²), reoperations for acute surgical complications, off-pump coronary artery bypass graft surgery, severe respiratory disease, recent myocardial infarction (≤7 days) and absence of relevant data. Previous myocardial infarction (≥7 days), prophylactic intraaortic balloon pump and use of postoperative vasoactive drugs were not exclusion criteria. We compared 76 patients sequentially submitted to anesthesia by one of the authors with a fast track extubation protocol and 188 patients sequentially submitted to anesthesia by others in the same period and using a conventional anesthetic protocol. Results: Demographic data, previous medical and cardiac history, preoperative medication and operative data were all similar between the two groups. The mean ventilation and intubation times were significantly shorter in the fast track extubation group than in the non-fast track extubation patients (30 min vs. 7 h and 50 min vs. 8 h, respectively). Forty-two percent of patients in the fast track extubation group were extubated on arrival at the intensive care unit. Morbidity and mortality were similar in both groups. Conclusions: The study shows that a very fast track extubation protocol may be safely implemented in patients submitted to coronary artery bypass graft surgery with cardiopulmonary bypass.     

Factors affecting postoperative morbidity and mortality in isolated coronary artery bypass graft surgery

Purpose  This study was conducted to investigate predictors of mortality before and after isolated coronary artery bypass grafting (CABG). Methods  Single-institutional data on risk factors and mortality were collected for 8890 patients who underwent isolated CABG by the same group of surgeons. The relationship between risk factors and outcome was assessed using univariate and multivariate analyses in two risk models: a preoperative model (model 1) and then a pre-, intra-, and postoperative model (model 2). Results  The mean age of the patients (25.4% women and 74.6% men) was 58.5 ± 9.7 years. Fifty-five (0.6%) patients died after surgery. Hypercholesterolemia was the most common comorbidity factor (61.1%), followed by hypertension, a smoking habit, recent myocardial infarction (MI) <21 days, and diabetes. Postoperative tamponade, graft occlusion, and MI (0.01%) were the least common complications. The patients spent 39.7 ± 33.9 h in the intensive care unit (ICU) postoperatively. Patients were followed up for a minimum of 30 days. The multivariate analysis of our preoperative risk model revealed that the best predictors of operative mortality were a history of diabetes, hypertension, previous CABG, the presence of angina, arrhythmia, Canadian Cardiovascular Society Classification (CCS) of grade III or IV, ejection fraction (EF) ≤30%, three-vessel disease, and left main disease. Conclusion  After surgery, and with the inclusion of all the pre-, intra-, and postoperative variables into model two, the following were revealed to be prognostic factors for in-hospital mortality: a history of diabetes, hypertension, the presence of angina, CCS grades III or IV, EF −30%, absence of internal mammary artery (IMA) use, prolonged cardiopulmonary bypass (CPB) time, and prolonged ICU stay.     

非体外循环冠状动脉旁路移植术后的阿司匹林抵抗

目的 通过检测非体外循环冠状动脉旁路移植术(OPCAB)后患者血小板聚集率以及尿11-脱氢-血栓烷B2(11-DH-TXB2)指标，动态观察术后阿司匹林抵抗(AR)的发生情况，探索术后AR的危险因素。方法 冠心病患者290例，首次行OPCAB患者145例(手术组)，接受内科药物治疗患者145例(非手术组)。手术组患者于术前及术后服用阿司匹林后第1、4、10天及6个月，检测血小板聚集率以及尿11-DH-TXB2。非手术组患者于服药前及服药后第1、4、10天检测上述指标。同时记录患者各项临床资料。结果 手术组患者服用阿司匹林后第1天的AR发生46例(32％)(抵抗组)，其余为非抵抗组。用药后第4天和第10天AR患者下降至19例(13％)和5例(3％)。半年随访中未发现有AR患者存在。非手术组患者，服药后第1天，血小板聚集率均下降至20％以下，平均(8.8±6.8)％，未见AR现象出现。手术组患者术后血小板计数显著高于术前(P＜0.05)。Logistic回归分析发现，OPCAB患者中，体重大于75 kg(OR =0.38，95％CI:0.18～0.79)和术后引流量超过500 ml(OR=3.12，95％CI:1.29～7.53)为术后出现AR的危险因素。结论 OPCAB术后早期，阿司匹林的抗血小板作用受到不同程度抑制，部分患者出现AR现象，予以更为积极有效的抗血小板治疗有重要临床意义。     

Anemia-associated acute kidney injury after cardiac surgery with cardiopulmonary bypass

Objective To investigate the incidence and to evaluate the risk factors of acute kidney injury (AKI) following cardiac surgery with cardiopulmonary bypass (CPB) at general hospitals. Methods A retrospective cohort database study was conducted, involving 233 patients who were scheduled to heart valve surgery or coronary artery bypass grafting (CABG) with CPB technique. Logistic regression was used to screen out the risk factors of AKI after the surgery. Results The study population, with an average age of 57±12 years (age 21 to 83) were investigated, there were 54(23.2%) diabetes patients, 105 (45.1%) hypertension patients, 21 (9%) chronic kidney disease (CKD) patients, and 51 (21.9%) anemia patients. Overall incidence of AKI was 32.2%. The Analysis Result indicates that preoperative CKD, anemia, hypoalbuminemia, left ventricular ejection fraction, intraoperative aortic block time, minimum mean arterial pressure, perioperative infection, and application of vancomycin are risk factors associated with postoperative AKI. Multiariable Logistic regression suggests that basic CKD (OR=9.498, P=0.001), anemia (OR=3.150, P=0.021), the LVEF before surgery (OR=1.733, P=0.045), intraoperative aortic block time (OR=2.227, P=0.026), and white blood cell (OR=3.357, P=0.032) were the independent risk factors of AKI. Conclusions AKI is a common complication following cardiac surgery with CPB. The patients with preoperative renal insufficiency, anemia, long intraoperative aortic block time and higher perioperative white blood cell count are subjected to a higher incidence of AKI. Alleviating patients’ anemia and reducing artery block of extracorporeal circulation time therefore might be potential means to mitigate the risks of AKI after cardiac surgery.     

冠状动脉旁路移植术后早期紧急再次手术

目的 探讨冠状动脉旁路移植(CABG)术后围术期急性心肌缺血的病因和外科治疗.方法 2001年1月至2009年1月,28例CABG术后早期进行了紧急再次手术.其中男18例,女10例.平均年龄54岁.主要病因包括早期移植物栓塞、乳内动脉(IMA)异常、靶血管吻合口异常,桡动脉(RA)痉挛、心肌血管化不完全.首次手术到再次手术时间间隔1～48 h,平均8 h.紧急再次手术中仅2例选择非体外循环不停跳手术,余均在体外循环心脏停跳下CABG.再次手术包括:对异常移植物尽可能去除,选择重新吻合或远端加一旁路血管.对RA持续痉挛者拆除后用静脉再次行旁路手术.再次手术中给予充分再血管化.结果 手术死亡2例.术后1～14天死亡8例.16例术后放置主动脉内球囊反搏(IABP)辅助,其中2例同时进行体外膜式氧合器(ECMO)辅助,2例同时选择左心辅助装置(LVAD).18例生存者均无严重并发症.结论 CABG术后早期急性严重心肌缺血病死率高.早期诊断和及时外科处理可以提高生存率.强调术前、术后预防的重要性.

Abstract：

Objective To explore the cause of acute myocardial ischemia early after coronary artery bapass graft (CABG) and surgical management on it. Methods From 2001 to 2009, 28 patients underwent urgent reoperation early after CABG due to acute myocardial ischemia. The incidence of reoperation is about 0.02%. The cause of reoperation inclouded early graft occlusion (10 cases) ,IMA damage or injury during harvesting(9 cases), inexactitude distal anastomosis(2 cases)and radial artery spasm(4 cases). The mean interval time between two operations was 8 hours. Reoperation was done under offpump bypass in 2 patients and on-bypass used in other patients. Unsatisfactoey graft were substituted with new graft material and thrombotic was removed. If LIMA was the reson for myocardial ischemia, an additional vein graft was inserted. The spasm radial artery were substituted with new vein graft. Completely revascularization was used in re-do CABG. Results Two patients died during reoperation. 8 patients was died between 1 day and 14 days after reoperation. IABP was used in 16 patients,which 2 patients received ECMO suppord and 2 patient received LVAD suppord at mean time. Conclusion There have very high mortality in acute myocardial ischemia early after CABG. The early diagnosis and correct surgical management can improve the rates of survival. The active prevent should be emphasized during the first CABG.