Cor Vasa 2024, 66(4):421-428 | DOI: 10.33678/cor.2024.030

(Non-invasive evaluation of myocardial work efficiency: from theory to practice)

Tereza Hadžić, Olena Iurchenko, Jan Kovanda, Michal Vrbík, Miroslav Ložek, Jan Janoušek
Dětské kardiocentrum, 2. lékařská fakulta Univerzity Karlovy a Fakultní nemocnice Motol, Praha, Česká republika

Ventricular function is a fundamental parameter in clinical practice when it comes to prognosis, indication for treatment, and evaluation of effectiveness of applied therapy in a variety of cardiovascular diseases. Even though there already exists a whole range of invasive and non-invasive methods of its evaluation, all these methods have their limitations. One of the possible means of evaluation of ventricular function is the measurement of myocardial work which enables to assess myocardial work efficiency if related, for example, to cardiac output. This has, however, required performing an invasive study in the past. Recently, a new method of myocardial work evaluation was introduced using a combination of echocardiographic deformation imaging and non-invasive blood pressure measurement.1 This method follows the findings from a study by Suga et al., where a pressure-volume loop was used for evaluating left ventricular work. This loop can be acquired by invasive measurements, and it has proven itself to be a feasible method to evaluate total mechanical energy of the ventricle.2 The new echocardiographic method replaces invasively acquired values of pressure and volume by variables measured using non-invasive techniques. Evaluation of myocardial work by this method has already been published in many acquired heart diseases, where it has proven itself to be just as reliable in evaluating heart function as other methods, including invasive measurement.1,3-7

Keywords: Echocardiography, Myocardial work, Speckle-tracking, Strain

Received: January 29, 2024; Revised: March 15, 2024; Accepted: March 30, 2024; Prepublished online: June 2, 2012; Published: September 9, 2024  Show citation

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Hadžić T, Iurchenko O, Kovanda J, Vrbík M, Ložek M, Janoušek J. (Non-invasive evaluation of myocardial work efficiency: from theory to practice). Cor Vasa. 2024;66(4):421-428. doi: 10.33678/cor.2024.030.
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