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Date Published: 15/06/2022
Online Published: 26/02/2020
Abstract Views: 117
Views PDF: 58
DOI: https://doi.org/10.55046/vjrnm.37.144.2020
Issue
No. 37 (2020)
Section
Scientific research
How to Cite
Nguyen, K. viet, Vu, D. L., & Nguyen, Q. D. (2020). Evaluation of myocardium injury on cardiac magnetic resonance imaging in patients with acute myocardial infarction. Vietnamese Journal of Radiology and Nuclear Medicine, 37, 4-12. https://doi.org/10.55046/vjrnm.37.144.2020

Evaluation of myocardium injury on cardiac magnetic resonance imaging in patients with acute myocardial infarction

Dr Nguyen Khoi Viet1, A.Prof Vu Dang Luu1, A.Prof Nguyen Quoc Dung2
1 Bach Mai Hospital
2 Hội Điện quang và Y học hạt nhân Việt Nam

Main Article Content

Abstract

Objective: To access the imaging characteristic of the myocardium injury on cardiacmagnetic resonance imaging (MRI) in reperfused acutemyocardial
infarction (MI) after percutanous coronary revascularization.


Materialand Methods: Cine sequence and Delayed ContrastEnhanced MRIwere underwent in period of 9 days after percutanous coronary revascularization on 50 patients suffering from Acute Myocardial Infarction at Bach Mai Hospital. Left ventricular function was done on cine sequence
and extent of infarction, infarct size was evaluated on delayed-enhancement images.
Results: A total of 50 patients with acute MI were classified 90% as STEMI and 10% as NSTEMI. The sensitivity of delay-enhancement MRI for detecting MI reaching 98%. The accuracy of MRI for identifying MI location (compared with infarct-related artery perfusion territory) were 92%, kappa=0,842 with all the patients and were 97,8%, kappa=0,952 with STEMI. The infarcted areas in 49 patients were detected by use of cardiac delayedenhancement MRI. There was an excellent correlation between quantitative planimetry and scoring method for the hyperenhancement infarct size (r=0,976, p<0,0001). Infarct size on delayed-enhancement MRI showed a good correlation with left ventricular ejection fraction (r=-0,63,p<0,0001 with planimetry method; r=-0,602, p<0,0001 with scoring method).
Conclusion: Cardiac MRI could evaluation of myocardium injury in patients with reperfused acute myocardial infarction

Article Details

Keywords

Cardiac Magnetic Resonace Imaging, delayed enhancement MRI,, late gadolinium, Acute myocardial infarction, infarct size

References

1. Benjamin, Heart disease and stroke statistics-2019 Update, Chapter 19. Circulation, 2019. 139, e415-433.
2. Update, A.A.S.F., 2015 ACC/AHA/SCAI Focused Update on Primary Percutaneous Coronary Intervention for Patients With ST-Elevation Myocardial Infarction: An Update of the 2011 ACCF/AHA/SCAI Guideline for Percutaneous Coronary Intervention and the 2013 ACCF/AHA Guideline for the Management of ST-Elevation Myocardial Infarction. Circulation., 2016. 133:1135-1147.
3. Miller TD, C.T., Hopfensipirger MR, et al,, Infarct Size After Acute Myocardial Infarction Measured by Quantitative Tomographic 99mTc Sestamibi Imaging Predicts Subsequent Mortality. Circulation, 1995. 92: p. 334–341.
4. Wagner A, M.H., Holly TA, et al, Contrast-enhanced MRI and routine single photon emission computed tomography (SPECT) perfusion imaging for detection of subendocardial myocardial infarcts: an imaging study. 2003. 361: p. 374-79.
5. Kim RJ, A.T., Wible JH et al, Performance of Delayed-Enhancement Magnetic Resonance Imaging With Gadoversetamide Contrast for the Detection and Assessment of Myocardial Infarction. An International, Multicenter, Double-Blinded, Randomized Trial. Circulation, 2008. 117(629-637).
6. Choi KM, K.J., Gubernikoff G, et al, Transmural extent of acute myocardial infarction predicts long-term improvement in contractile function. Circulation, 2001. 104: p. 1101-1107.
7. Khan JN et McCann GP, Cardiovascular magnetic resonance imaging assessment of outcomes in acute myocardial infarction. World Journal of Cardiology, 2017. 26; 9(2): 109-133.
8. Hamo CE, K.I., Rao SV, et al, The Systematic Evaluation of Identifying the Infarct Related Artery Utilizing Cardiac Magnetic Resonance in Patients Presenting with ST-Elevation Myocardial Infarction. PLOS ONE, 2017. DOI: 10.1371.
9. De Azevedo Filho CF, H.M., Petriz JLF, et al,Quantification of Left Ventricular Infarcted Mass on Cardiac Magnetic Resonance Imaging. Comparison Between Planimetry and the Semiquantitative Visual Scoring Method. Arquivos Brasileiros de Cardiologia, 2004. 83(2).
10. Mewton N, R.D., Bonnefoy E, et al, Comparison of visual scoring and quantitative planimetry methods for estimation of global infarct size on delayed enhanced cardiac MRI and validation with myocardial enzymes.Eur J Radiol, 2011. 78(1):87-92
11.Wu E, O.J., Tejedor P, et al, Infarct size by contrast enhanced cardiac magnetic resonance is a stronger predictor of outcomes than left ventricular ejection fraction or end-systolic volume index: prospective cohort study.Heart, 2008. 94:730–6