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Kryukov N.A.

Almazov National Medical Research Center

Ryzhkov A.V.

Almazov National Medical Research Centre

Sukhova I.V.

Almazov National Medical Research Center

Ananevskaya P.V.

Almazov National Medical Research Center

Fokin V.A.

Almazov National Medical Research Center

Gordeev M.L.

Almazov National Medical Research Center

Prediction of myocardial contractility after coronary bypass surgery according to preoperative contrast-enhanced magnetic resonance imaging and echocardiography

Authors:

Kryukov N.A., Ryzhkov A.V., Sukhova I.V., Ananevskaya P.V., Fokin V.A., Gordeev M.L.

More about the authors

Journal: Pirogov Russian Journal of Surgery. 2024;(4): 75‑81

DOI: 10.17116/hirurgia202404175

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To cite this article:

Kryukov NA, Ryzhkov AV, Sukhova IV, Ananevskaya PV, Fokin VA, Gordeev ML. Prediction of myocardial contractility after coronary bypass surgery according to preoperative contrast-enhanced magnetic resonance imaging and echocardiography. Pirogov Russian Journal of Surgery. 2024;(4):75‑81. (In Russ., In Engl.)
https://doi.org/10.17116/hirurgia202404175

Подписка 2025 (Pirogov Russian Journal of Surgery)
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OBJECTIVE

To establish the criteria for reversibility of myocardial contractility in patients with coronary artery disease (CAD) after coronary artery bypass grafting considering data of cardiac magnetic resonance imaging (MRI) and echocardiography.

MATERIAL AND METHODS

We studied the results of coronary artery bypass grafting in 186 patients with CAD complicated by reduced left ventricular ejection fraction (<30%). All patients underwent cardiac MRI and echocardiography before surgery. Immediate and long-term results were evaluated according to echocardiography and MRI data.

RESULTS

We confirmed the previously established predictors of improvement in left ventricular contractility: diastolic IVST ≥10.5 mm and PWT ≥9.5 mm, score of LV myocardium damage according to MRI with delayed contrast enhancement (p<0.05). Multivariate analysis makes it possible to calculate prognostic index and obtain information about further myocardial contractility after revascularization with an error of 6%.

CONCLUSION

Echocardiography and contrast-enhanced cardiac MRI are valuable to assess morphological and functional state of the left ventricle in patients with ischemic cardiomyopathy and preoperatively determine functional reserve of the myocardium.

Keywords:

myocardial viability
coronary artery disease
ischemic cardiomyopathy
coronary artery bypass grafting
direct revascularization

Authors:

Kryukov N.A.

Almazov National Medical Research Center

Ryzhkov A.V.

Almazov National Medical Research Centre

Sukhova I.V.

Almazov National Medical Research Center

Ananevskaya P.V.

Almazov National Medical Research Center

Fokin V.A.

Almazov National Medical Research Center

Gordeev M.L.

Almazov National Medical Research Center

Received:

20.08.2023

Accepted:

30.10.2023

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