Correlation Between Left Ventricular Global Strain Measured by Speckle Tracking Echocardiography and Scar Burden Measured by Cardiac Magnetic Resonance Imaging in Patients With Ischemic Heart Disease

  • STATUS
    Recruiting
  • End date
    Jan 30, 2022
  • participants needed
    51
  • sponsor
    Assiut University
Updated on 30 July 2021
stemi
MRI

Summary

To verify whether GLS and LV mechanical dispersion, measured by two-dimensional speckle-tracking echocardiography (2D-STE) correlate with LV scar burden measured by cardiac MRI in patients with ischemic heart disease.

Description

Evaluation of presence, localization, and extent of left ventricular(LV) scar tissue in patients with ischaemic heart disease (IHD) is of fundamental importance in clinical practice. It affects the decision making regarding revascularization and is a determinant of subsequent mortality. (Mele, Fiorencis et al. 2016) Late gadolinium contrast-enhanced cardiac magnetic resonance (LGE-CMR) is considered the current gold standard technique for assessment of the scar burden in IHD patients. However, it is not readily accessible in many areas due to availability and cost issues.(Abou, Prihadi et al. 2020), (Bendary, Afifi et al. 2019) Several recent studies suggested 2-D speckle tracking strain as a potential surrogate for cardiovascular magnetic resonance (CMR) late gadolinium enhancement (LGE) imaging. This would be useful in cases where CMR is not available, gadolinium contrast is contraindicated, or in patients at greater risk of adverse long term events. (Erley, Genovese et al. 2019) Among echocardiography derived strain measurements, global longitudinal strain (GLS) was shown to be superior to global circumferential strain (GCS) in its ability to detect subtle myocardial abnormalities due to better reproducibility (Erley et al, 2019). Left ventricular mechanical dispersion (LVMD) is also considered a valuable parameter that was associated with outcomes after myocardial infarction. (Abou, Prihadi et al. 2020).

Despite the growing number of strain related studies in the literature, it is not clear whether the relationship of strain measurements with LGE is strong enough for strain to be considered as a surrogate. (Erley, Genovese et al. 2019). Also, the differences between GLS and LV MD among strain components in this context are not well established.

Details
Condition Vascular Diseases, Heart disease, Ischemic Heart Disease
Treatment Cardiac MRI, Echocardiography
Clinical Study IdentifierNCT04970017
SponsorAssiut University
Last Modified on30 July 2021

Eligibility

Yes No Not Sure

Inclusion Criteria

Patients presenting for viability assessment in to cardiac MRI unit, Assiut university heart hospital, with a history of previous stemi, at least 3 months after the acute event ( scar stabilization) and up to one year

Exclusion Criteria

Patients with
Contraindication to cardiac MRI (claustrophobia, Patients with eGFR below 30 mL/min/1.73 m2. and patients with metallic implants)
Non-ischemic cardiomyopathy
Valvular heart disease (VHD)
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