Practical application of non-invasive left ventricular functional parameters in diagnosis of stable coronary artery disease

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OBJECTIVE

To demonstrate the possibilities of non-invasive evaluating the left ventricular (LV) function including pressure-strain curves during stress echocardiography in diagnosis of stable coronary artery disease (CAD).

MATERIAL AND METHODS

The study included 4 patients with CAD admitted for elective in-hospital treatment. All patients underwent transthoracic echocardiography, stress echocardiography (Bruce protocol), selective coronary angiography. We analyzed global and regional myocardial work indices considering pressure-strain curves before and after exercise test (myocardial work index, constructive and wasted work, myocardial work efficiency).

CONCLUSION

One can suspect severe coronary artery lesion considering specific changes of regional and global myocardial work during stress echocardiography. Thus, evaluation of myocardial work by constructing pressure-strain curves can improve interpretation of stress echocardiography data and patient selection for myocardial revascularization.

Keywords:

myocardial work

pressure-strain curve

coronary artery disease

stress echocardiography

Authors:

Ivanov S.I.

Sechenov First Moscow State Medical University

Alekhin M.N.

Central State Medical Academy of the Department of Presidential Affairs;
Central Clinical Hospital of the Presidential Administration

Received:

30.11.2021

Accepted:

14.07.2022

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