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Objectives: to evaluate the advantage of preserving the subvalvular structures of the mitral valve from both leaflets compared with the preservation of the subvalvular structures only from the posterior valve during mitral valve replacement surgery (MVR). Methods: A retrospective analysis of case histories of 41 patients with isolated rheumatic lesions of the mitral valve who underwent MVR, which were divided into 2 groups: with complete preservation of subvalvular structures (n = 24) and preservation of only the posterior leaflet (n = 17), was performed. Results: In the group with complete preservation of the chordal-papillary apparatus, there was a significant decrease in the end-systolic volume (p 0.05) and the ejection fraction of the left ventricle remained at the same levels. Conclusion: Our preliminary results of the study indicate better remodeling and optimization of the geometry of the left ventricle when assessing the closest postoperative parameters in a group of patients with preservation of chordo-papillary structures of both leaflets, both the anterior and the posterior leaflets.

heart, vessels and transplantation

Remodeling of the left heart in patients with rheumatic mitral valve disease after mitral valve replacement with preservation of subvalvular structures