Application of Cardiac Enhanced MRI in Acute Myocardial Infarction with Normal Result of Coronary Angiography_West China Medical Journal

Authors：

 LIChun-hui ^1,2 , YUNHong-yu ¹ , HESen ¹ ,  HEYong ¹

1. Department of Cardiology, West China Hospital, Sichuan University, Chengdu, Sichuan 610041, P. R. China;
2. Department of Cardiology, General Hospital of Panzhihua Iron and Steel Group, Panzhihua, Sichuan 617067, P. R. China;

Corresponding?author：

HEYong, Email: zznnyeah@163.com

Keywords：

Characteristics of disease history; Routine examination; Acute myocardial infarction; Normal coronary angiography; Enhanced magnetic resonance imaging

DOI：

10.7507/1002-0179.20140571

Video：

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Objective To explore the application of cardiac enhanced MRI in acute myocardial infarction with normal result of coronary angiography. Methods On October 18, 2013, a male patient underwent coronary angiography under the local anesthesia. Mild coronary stenosis both in left and right side were found in the surgery, but the results of dynamic cardiogram and myocardial markers were abnormal, which accorded with the clinical procedure of myocardial infarction. The patient underwent cardiac enhanced MRI at the 6th day and was finally diagnosed as acute myocardial infarction. We reviewed the database to find out the significance of cardiac enhanced MRI in diagnosis of acute myocardial infarction. Results Although coronary angiography was the gold standard for the diagnosis of coronary diseases, it had limitations in the diagnosis of coronary eccentric stenosis, branch vascular stenosis and coronary spasm. Cardiac enhanced MRI had the advantages of accurate measurement of the attenuation of myocardium and exhibition of functional changes of ischemic myocardium. Conclusion Cardiac enhanced MRI is important for the diagnosis of myocardial infarction with normal result of coronary angiography.

Citation： LIChun-hui, YUNHong-yu, HESen, HEYong. Application of Cardiac Enhanced MRI in Acute Myocardial Infarction with Normal Result of Coronary Angiography. West China Medical Journal, 2014, 29(10): 1891-1894. doi: 10.7507/1002-0179.20140571 Copy

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13.	張惠茅, 王文志, 張千, 等. 1.5T MRI對冠心病心肌缺血程度的評估[J]. 吉林大學學報·醫學版, 2008, 34(1):153-155.
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1. 胡大一, 黃峻, 馬長生, 等. 心血管病內科學高級教程[M]. 北京:人民軍醫出版社, 2011:48, 146.
2. Douglas PZ. Braunwald心臟病學:心血管內科學教科書[M]. 7版. 陳灝珠, 譯. 北京:人民衛生出版社, 2006:311-322, 424-429.
3. Rundback JH. In support of AHA indications for screening angiography at the time of coronary arteriography:understanding the recommendations and clarifying the goals[J]. Vasc Med, 2009, 14(3):277-281.
4. Young JJ, Chung ES, Menon SG, et al. Early revascularization and ACC/AHA guideline-compliant medical management improve left ventricular function and short-term prognosis in patients presenting with acute myocardial infarction and severe left ventricular dysfunction[J]. J Invasive Cardiol, 2006, 18(11):540-543.
5. 常以芳. 冠脈造影正常的急性心肌梗死患者血管內皮功能的研究[J]. 中國醫藥導刊, 2008, 10(9):1328-1329.
6. 張穎, 韓英, 王麗雙. 急性心肌梗死冠狀動脈造影正常的臨床分析[J]. 醫學信息·中旬刊, 2011, 24(9):4749-4750.
7. 肖慶華, 劉艷春, 姜靜. 冠脈造影正常的急性心肌梗死患者臨床分析[J]. 當代醫學, 2013, 19(13):106-107.
8. 施仲偉. 用血管造影術評價冠狀動脈營腔的局限性[J]. 國外醫學·心血管疾病分冊, 1996, 23(4):233-235.
9. 黃璐, 韓瑞, 孫子燕, 等. 第二部分心臟CT和MRI[J]. 放射學實踐, 2012, 27(1):3-10.
10. 趙艷華. 心臟MRI對急性心肌梗死的診斷價值[J]. 中國實用醫藥, 2011, 6(20):54-55.
11. Wong DT, Richardson JD, Puri R, et al. The role of cardiac magnetic resonance imaging following acute myocardial infarction[J]. Eur Radiol, 2012, 22(8):1757-1768.
12. Delewi R, Nijveldt R, Hirsch A, et al. Left ventricular thrombus formation after acute myocardial infarction as assessed by cardiovascular magnetic resonance imaging[J]. Eur J Radiol, 2012, 81(12):3900-3904.
13. 張惠茅, 王文志, 張千, 等. 1.5T MRI對冠心病心肌缺血程度的評估[J]. 吉林大學學報·醫學版, 2008, 34(1):153-155.
14. Ahmed N, Carrick D, Layland J, et al. The role of cardiac magnetic resonance imaging (MRI) in acute myocardial infarction (AMI)[J]. Heart Lung Circ, 2013, 22(4):243-255.
15. Ishida M, Kato S, Sakuma H. Cardiac MRI in ischemic heart disease[J]. Circ J, 2009, 73(9):1577-1588.
16. Gunning MG, Anagnostopoulos C, Knight CJ, et al. Comparison of ²⁰¹Tl, ^99mTc-tetrofosmin, and dobutamine magnetic resonance imaging for identifying hibernating myocardium[J]. 1998, 98(18):1869-1874.
17. Slade JM, Towse TF, Gossain VV, et al. Peripheral microvascular response to muscle contraction is unaltered by early diabetes but decreases with age[J]. J Appl Physiol, 2011, 111(5):1361-1371.

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Application of Cardiac Enhanced MRI in Acute Myocardial Infarction with Normal Result of Coronary Angiography

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