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Создание искусственных хорд при протезировании митрального клапана у больных с ревматическим пороком сердца

Создание искусственных хорд при протезировании митрального клапана у больных с ревматическим пороком сердца

Abstract

Aim. To evaluate the effectiveness and safety of the use of artificial chords using polytetrafluoroethylene sutures during mitral valve replacement in patients with rheumatism. Methods. The study included 134 patients operated on for isolated rheumatic mitral valve disease. Immediate (10 days) and long-term (24 months) results were evaluated in the three groups of patients, depending on the method of valve replacement: creation of prosthetic chords using polytetrafluoroethylene sutures (37 patients), preservation of native chords (67 patients), total excision of the subvalvular apparatus (control group, 30 patients). Results. 24 months after surgery in the group of prosthetic chords and the group of preserved native chords recorded was a significant decrease in the pulmonary artery pressure, the left atrial size and a reduction in the end-diastolic left ventricular size. In the control group of patients reported was a reduction in left ventricular ejection fraction in long-term follow up. Conclusion. The use of polytetrafluoroethylene sutures in order to create new chords demonstrated their safety and effectiveness in preserving the physiological left ventricular geometry; artificial chords, as well as the preserved native chords, have a positive effect on the left ventricular contractile function in the remote postoperative period.

Цель. Оценка эффективности и безопасности использования искусственных хорд из нитей политетрафторэтилена при протезировании митрального клапана у больных ревматизмом. Методы. В исследование включены 134 больных, оперированных по поводу изолированного ревматического поражения митрального клапана. Оценивали непосредственные (10 дней) и отдалённые (24 мес) результаты операций в трёх группах пациентов в зависимости от метода протезирования: протезирование хорд с использованием нитей политетрафторэтилена (37 больных), сохранение нативных хорд (67 больных), полное иссечение субвальву-лярного аппарата (контрольная группа, 30 больных). Результаты. Через 24 мес после операции в группе протезирования и группе сохранения нативных хорд зарегистрировано достоверное снижение давления в лёгочной артерии, размеров левого предсердия и уменьшение конечного диастолического размера левого желудочка. В контрольной группе больных зарегистрировано снижение фракции выброса левого желудочка на отдалённом сроке. Вывод. Применение нитей из политетрафторэтилена для создания новых хорд показало их безопасность и эффективность в сохранении физиологической геометрии левого желудочка; искусственные хорды, как и сохранение нативных хорд, положительно влияют на сократительную функцию левого желудочка в отдалённом послеоперационном периоде.

Keywords

ПРОТЕЗИРОВАНИЕ МИТРАЛЬНОГО КЛАПАНА, ИСКУССТВЕННЫЕ ХОРДЫ, ПОЛИТЕТРАФТОРЭТИЛЕН, СОХРАНЕНИЕ ФИБРОЗНО-ПАПИЛЛЯРНОЙ НЕПРЕРЫВНОСТИ, РЕВМАТИЗМ, ПОРОК МИТРАЛЬНОГО КЛАПАНА

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
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Average
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