Vol - 25, Issue - 2
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[This article belongs to Volume - 25, Issue - 2]
International Medical Journal
Journal ID : IMJ-09-02-2020-218
Total View : 132

Abstract : Ischemic cardiomyopathy is the most frequent etiology of heart failure with reduced ejection fraction (HFrEF) and a result of ventricular structural, functional, and electrical remodelling. T peak to end (Tpe) interval is an electrocardiographic parameter that represent repolarization heterogeneity and had prognostic value for ventricular arrhythmia. Patients with Ischemic cardiomyopathy face a significant burden of arrhythmias. Mechanical dispersion is a functional remodelling parameter that can be measured by time to peak longitudinal strain using speckle tracking echocardiography. This study aims to assess the relationship between Tpe interval with time to peak longitudinal strain in ischemic cardiomyopathy patients. This study was conducted with observational analytical cross-sectional design. Ischemic cardiomyopathy subjects were included at Dr. Hasan Sadikin General Hospital, Bandung, from August to October 2019. Tpe interval was measured manually with tangential method. Time to peak longitudinal strain was measured using speckle tracking echocardiography. The correlation between Tpe interval and time to peak longitudinal strain was analyzed using Pearson correlation. A total of 30 subjects were included in this study. The average age was 58 ± 8 years old and the average left ventricular ejection fraction was 27 ± 5.5%. The average of Tpe interval was 83.4 + 7.62 ms and the average of time to peak longitudinal strain was 93.13 ± 34.51 ms. The Pearson correlation test showed a significant weak positive correlation (r=-0.386, 95% CI (0.029 – 0.743, p 0.018) between Tpe interval and time to peak longitudinal strain in ischemic cardiomyopathy patients. There was a significant weak positive correlation between Tpe interval and time to peak longitudinal strain in ischemic cardiomyopathy patients

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