FIELD: medicine.
SUBSTANCE: invention refers to medicine, particularly to cardiosurgery. Horizontal interrupted sutures are applied on pads on a posterior inferior wall of the left atrium. Fibrous ring of the mitral valve is reinforced and narrowed by implanting an autopericardium strip within the posterior two-thirds of the fibrous ring of the mitral valve of the estimated length. Length of the anterior cusp of the mitral valve from the base to the free edge in the middle part (segment A2) by transoesophageal echocardiography, the length of the autopericardium strip for implantation is calculated by formula: l=2/3*π*D, where D is the length of the anterior cusp of the mitral valve from the base to the free edge in the middle part in mm, and l is the length of the autopericardium strip in mm.
EFFECT: method enables preventing suture divergence due to its application by one suture, as well as preventing left ventricular dilatation and excluding lifelong administration of anticoagulants.
1 cl, 2 dwg, 2 ex
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