Abstract
Introduction. In recent years, three-dimensional echocardiography has been widely used in the diagnosis of complex congenital heart diseases, which makes it possible to evaluate in detail the morphology, volume of the heart chambers and regurgitation flows.
Material and methods. From 2008 to 2016, 3D-echocardiography was performed in 43 patients with different variants of the functionally single ventricle (FSV) of the heart before or after the operation of bidirectional cavopulmonary anastomosis and Fontane procedure with the pathology of the atrioventricular (AV) valve. Correction of atrioventricular regurgitation was performed in 28 patients.
Results. A qualitative three-dimensional image of the AV-valve was obtained in 88% of cases. The description of the AV-valve according to the data of three-dimensional reconstruction in comparison with twodimensional echocardiography made it possible to reveal differences in the number of valves in 19 cases (44%, all patients with common atrioventricular canal). In 27 (96.5%) cases, there was no discrepancy between the initial anatomical data and the data obtained intraoperatively, which allowed the previously planned reconstructive intervention on the AV-valve to be performed.
Conclusion. The method of three-dimensional echocardiography allows to get a clearer idea of the anatomy of the atrioventricular valve, its work, to determine the localization of the zones of regurgitation. The received data in most cases allow to plan a way and volume of forthcoming intervention on AV-valve. Threedimensional reconstruction of AV-valves in patients with FSV can be recommended for inclusion in the standard protocol of echocardiographic examination.
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About the authors
- Plakhova Victorya Valer'evna, Dr. Med. Sc., Leading Researcher;
- Baryshnikova Irina Yur'evna, Cand. Med. Sc., Junior Researcher, orcid.org/0000-0001-8071-2531;
- Kovalev Dmitriy Viktorovich, Dr. Med. Sc., Leading Researcher, orcid.org/0000-0002-4586-9258;
- Yurlov Ivan Aleksandrovich, Cand. Med. Sc., Surgeon, orcid.org/0000-0002-5812-8408;
- Chikin Nikolay Semenovich, Resident Physician, orcid.org/0000-0003-2173-6722
