IMPORTANCE OF ECHOCARDIOGRAPHIC STRAIN IMAGING TEST FOR ASSESSMENT OF VIABILITY IN PATIENTS OF POST MYOCARDIAL INFARCTION WITH LEFT VENTRICULAR SYSTOLIC DYSFUNCTION AND ITS COMPARISON WITH SPECT
Journal Title: Journal of Evolution of Medical and Dental Sciences - Year 2018, Vol 7, Issue 44
Abstract
BACKGROUND Left ventricular systolic dysfunction following myocardial infarction increases risks of heart failure and sudden death. Identification of viable myocardium is important before revascularisation techniques. Therefore, in this study, we sought to explore the accuracy of resting strain to predict myocardial viability. Aim- Myocardial deformation imaging based on strain analysis could differentiate between viable and non-viable myocardial tissue. The differentiation of viable from non-viable myocardium is therefore highly relevant in patients who are being considered for revascularisation. MATERIALS AND METHODS 50 patients of post myocardial infarction with systolic dysfunction underwent measurement of resting strain with all 3 techniques using a 16-segment model. Strain in each coronary artery territory compare with SPECT test. RESULTS Post myocardial infarction with systolic dysfunction having strain value more than - 5% in particular territory, majority had nonviable myocardium in same territory. Patients with strain value between - 5 to - 15% in particular territory had variable viability, while patients with strain value less than - 15%, all had viable myocardium in respective territories. CONCLUSION Strain analysis of myocardium is more or less well correlated with myocardial perfusion imaging test with SPECT, in predicting non-viable left ventricular myocardium.
Authors and Affiliations
Amit Kumar Jha, S. C. Mandal
Keywords
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- EP ID EP549246
- DOI 10.14260/jemds/2018/1057
- Views 67
- Downloads 0
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