THE ASSESSMENT OF MECHANICAL HEART VALVES STENOSIS IN ADULTS AFTER AORTIC VALVE REPLACEMENT: THE ADVANTAGE OF FULL-FLOW DESIGN OF MECHANICAL VALVE

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Abstract


The analysis of transprosthetic hemodynamics in adults after aortic valve replacement in the Bakoulev Center for Cardiovascular Surgery in 2007–2010 demonstrated the hemodynamic advantage of the concept of new full-flow mechanical aortic valve prosthesis «CorBeat». Having the same size of internal orifice and tissue annulus diameters, the values of transprosthetic parameters (peak and mean gradients, blood flow velocities) through «CorBeat» were close to physiological values of transvalvular native aortic parameters and had a tendency to be not dependent on the size of prosthesis (p =0,63). In the article for the first time a morphometric database of geometric values of internal orifice area of normal native aortic valves in adults was used taking into account both the gender and the body surface area’s of a patient. There was also used the standardized prosthesis size Z-score which represents the number of SDs by which the internal prosthesis area differs from the mean normal native aortic valve area for the patient’s body surface area. The article emphasizes the need of the personal selection of the size and the type of prosthesis for any patient as well as the need for new design development of prosthetic heart valves.

 


L. A. Bokeriya

Bakoulev Center for Cardiovascular Surgery, Moscow, Russian Federation

Author for correspondence.
Email: leoan@heart-house.ru

Russian Federation директор ФГБУ «НЦССХ им. А.Н. Бакулева» РАМН, академик РАН и РАМН Адрес: 121552, Москва, Рублевское шоссе, д. 135; тел.: (495) 414-75-71

O. L. Bokeriya

Bakoulev Center for Cardiovascular Surgery, Moscow, Russian Federation

Email: soleo2003@gmail.com

Russian Federation доктор медицинских наук, профессор, заместитель руководителя отделения хирургиче- ского лечения интерактивной патологии ФГБУ «НЦССХ им. А.Н. Бакулева» РАМН, главный научный сотрудник Адрес: 121552, Москва, Рублевское шоссе, д. 135; тел.: (495) 414-77-91

A. A. Fadeev

Bakoulev Center for Cardiovascular Surgery, Moscow, Russian Federation

Email: ilissh@mail.ru

Russian Federation кандидат технических наук, заведующий лабораторией по применению полимеров в сердечно-сосудистой хирургии ФГБУ «НЦССХ им. А.Н. Бакулева» РАМН Адрес: 121552, Москва, Рублевское шоссе, д. 135; тел.: (495) 414-75-76

O. A. Makhachev

Bakoulev Center for Cardiovascular Surgery, Moscow, Russian Federation

Email: oamakhachev@mail.ru

Russian Federation доктор медицинских наук, заведующий отделом оптимизации, диагностики и лечения заболеваний сердечно сосудистой системы ФГБУ «НЦССХ им. А.Н. Бакулева» РАМН Адрес: 121552, Москва, Рублевское шоссе, д. 135; тел.: (495) 414-75-61

T. I. Kosareva

Bakoulev Center for Cardiovascular Surgery, Moscow, Russian Federation

Email: dr.cowax@rambler.ru

Russian Federation кандидат медицинских наук, врач лучевой диагностики рентгено-диагностического отдела ФГБУ «НЦССХ им. А.Н. Бакулева» РАМН Адрес: 121552, Москва, Рублевское шоссе, д. 135

I. I. Averina

Bakoulev Center for Cardiovascular Surgery, Moscow, Russian Federation

Email: averinaii@mail.ru

Russian Federation кандидат медицинских наук, старший научный сотрудник отделения хирургического лечения интерактивной патологии ФГБУ «НЦССХ им. А.Н. Бакулева» РАМН Адрес: 121552, Москва, Рублевское шоссе, д. 135; тел.: (495) 414-78-23

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