期刊
DIAGNOSTICS
卷 11, 期 3, 页码 -出版社
MDPI
DOI: 10.3390/diagnostics11030573
关键词
LV performance; myocardial work; speckle tracking; strain imaging
Assessing left ventricular contractility accurately is crucial in cardiac pathologies. The novel imaging tool called myocardial work, based on strain-blood pressure curves, provides detailed evaluation of LV function, incorporating pressure data for a more comprehensive assessment.
A precise and accurate assessment of left ventricular (LV) contractility is of utmost importance in terms of prognosis in most cardiac pathologies. Given the limitations of ejection fraction (EF) and global longitudinal strain (GLS) due to their load dependency, a novel imaging tool called myocardial work (MW) has emerged as a promising method for LV performance evaluation. MW is a novel, less load-dependent method based on computation of myocardial strain-arterial blood pressure curves. This method provides a more detailed assessment of segmental and global LV function incorporating the patient's LV pressure and is derived by brachial artery pressure utilizing an empiric reference curve adjusted to the duration of the isovolumic and ejection phases as determined by echocardiography. The clinical implications of this unique method have been expanding in the last few years, which attest to the robust additive role of MW in routine practice.
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