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

Kryukov N.A.

Almazov National Medical Research Center

ORCID: 0000-0003-3905-7285

Ryzhkov A.V.

Almazov National Medical Research Center

ORCID: 0000-0001-5226-1104

Sukhova I.V.

Almazov National Medical Research Center

ORCID: 0000-0002-7313-5307

Ananyevskaya P.V.

Almazov National Medical Research Center

ORCID: 0000-0003-4725-9477

Fokin V.A.

Almazov National Medical Research Center

ORCID: 0000-0001-7885-9024

Gordeev M.L.

Almazov National Medical Research Center

SPIN RSCI: 6776-3079
Scopus AuthorID: 7003704352
ORCID: 0000-0001-5362-3226

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

Authors:

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

More about the authors

Journal: Russian Journal of Cardiology and Cardiovascular Surgery. 2024;17(5): 506‑511

DOI: 10.17116/kardio202417051506

Downloaded: 2

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To cite this article:

Kryukov NA, Ryzhkov AV, Sukhova IV, Ananyevskaya PV, Fokin VA, Gordeev ML. Prediction of myocardial contractility after coronary bypass surgery according to preoperative contrast-enhanced cardiac magnetic resonance imaging and echocardiography data. Russian Journal of Cardiology and Cardiovascular Surgery. 2024;17(5):506‑511. (In Russ.)
https://doi.org/10.17116/kardio202417051506

Подписка 2025 (Russian Journal of Cardiology and Cardiovascular Surgery)

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OBJECTIVE

To establish the criteria of reversible impairment of myocardial contractility in patients with coronary artery disease (CAD) after coronary artery bypass grafting considering cardiac MRI and echocardiography data.

MATERIAL AND METHODS

We studied the results of coronary artery bypass grafting in 186 patients with CAD complicated by severe left ventricular systolic dysfunction (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 role of the previously established predictors of LV contractility improvement, i.e. diastolic IVS thickness ≥10.5 mm and LV posterior wall thickness ≥9.5 mm, as well as total score of LV damage according to cardiac MRI data (p<0.05). Multivariate analysis together with combination of discriminant analysis formulas is valuable to calculate prognostic index regarding postoperative myocardial contractility with an error of 6%.

CONCLUSION

Echocardiography and contrast-enhanced cardiac MRI make it possible to assess the morphological and functional state of the left ventricle in patients with ischemic cardiomyopathy. Moreover, we can estimate myocardial reserves regarding improvement of contractility at the preoperative stage.

Keywords:

myocardial viability

coronary artery disease

ischemic cardiomyopathy

coronary artery bypass grafting

direct revascularization

Authors:

Kryukov N.A.

Almazov National Medical Research Center

ORCID: 0000-0003-3905-7285

Ryzhkov A.V.

Almazov National Medical Research Center

ORCID: 0000-0001-5226-1104

Sukhova I.V.

Almazov National Medical Research Center

ORCID: 0000-0002-7313-5307

Ananyevskaya P.V.

Almazov National Medical Research Center

ORCID: 0000-0003-4725-9477

Fokin V.A.

Almazov National Medical Research Center

ORCID: 0000-0001-7885-9024

Gordeev M.L.

Almazov National Medical Research Center

SPIN RSCI: 6776-3079
Scopus AuthorID: 7003704352
ORCID: 0000-0001-5362-3226

Received:

01.11.2023

Accepted:

24.02.2024

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