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October 19, 2023Journal of Arrhythmology0 citationsOpen Access

Left ventricle mechanical dispersion is a new universal marker of malignant ventricular tachyarrhythmias in patients with structural heart disease

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Why the study?

Does left ventricle mechanical dispersion assessed by speckle-tracking echocardiography predict malignant ventricular tachyarrhythmias in patients with structural heart disease and LVEF <50%?

Population

113 patients with ischemic or non-ischemic dilated cardiomyopathy and LVEF <50%, with implanted…

Comparison

Speckle-tracking echocardiography to assess… vs Patients without documented malignant…

Design

Cohort

Authors

ЕГЕ. В. ГусеваНШН. Б. ШлевковGTG. S. Tarasovskiy

Discussion

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Overview

LV strain and MD parameters may aid MVT risk stratification in reduced-EF cardiomyopathy; hypothesis-generating, needs prospective validation before adoption.

Structured PICO

Does left ventricle mechanical dispersion assessed by speckle-tracking echocardiography predict malignant ventricular tachyarrhythmias in patients with structural heart disease and LVEF <50%?

P
Population
113 patients (105 male, age 66 [59;73] years) with ischemic (n=89) or non-ischemic (n=24) dilated cardiomyopathy and LVEF <50%, with implanted cardioverter-defibrillators, cardiac resynchronization therapy devices-defibrillators, pacemakers or documented malignant ventricular tachyarrhythmias (MVT).
I
Intervention
Speckle-tracking echocardiography to assess global and segmental longitudinal left ventricle (LV) strain and LV mechanical dispersion (MD)
C
Comparator
Patients without documented malignant ventricular tachyarrhythmias (MVT)
O
Outcome
Presence of malignant ventricular tachyarrhythmias (MVT)surrogate

Left ventricle mechanical dispersion assessed by speckle-tracking echocardiography is a useful imaging biomarker for risk stratification of malignant ventricular tachyarrhythmias in patients with structural heart disease and reduced or intermediate LVEF.

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Cite This Study

Гусева et al. (2023) studied this question.

synapsesocial.com/papers/6a74066eeb842fc4d1a221fchttps://doi.org/10.35336/va-1210
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