Медицинская литература. Новинки

 

 

 

 

 

 

Оценка сократительной способности правого желудочка с помощью трехмерной эхокардиографии в режиме реального времени у пациентов с острой декомпенсированной сердечной недостаточностью

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Цель исследования – сравнение значений показателей систолической функции правого желудочка, полученных методами программной обработки 4D RV TomTec и 4D LV Echo PAC в условиях отделения неотложной кардиологии, реанимации и кардиохирургического операционного блока. В исследование были включены 53 пациента (39 мужчин и 14 женщин) в возрасте от 29 до 78 лет, которые поступили в клинику с прогрессированием острой декомпенсированной сердечной недостаточности. Показатели объема (конечно3диастолический объем, конечно3систолический объем и ударный выброс) и фракция выброса правого желудочка, полученные с помощью компьютерной графики 4D RV TomTec и 4D LV Echo PAC, достоверно не различались между собой. Анализ ранговой корреляции выявил значимые положительные корреляционные зависимости между всеми параметрами, измеренными с помощью 4D RV TomTec и 4D LV Echo PAC. Анализ линейной регрессии и метод Блэнда–Алтмана показали достоверную согласованность между всеми параметрами, измеренными с помощью 4D RV TomTec и 4D LV Echo PAC. Время пошаговой реконструкции объема правого желудочка при использовании опций рабочей станции Echo PAC было достоверно меньше, чем при работе с программой 4D RV TomTec.

Ключевые слова:
трехмерная эхокардиография, режим реального времени, систолическая функция, правый желудочек, сердечная недостаточность.

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Assessment of Right Ventricle Contractility by Real-time Three-dimensional Echocardiography in Patients with Acute Decompensated Heart Failure

Aim of study was to compare the right ventricle systolic function measurements achieved by TomTec and Echo PAC workstations at cardiologic emergency department, intensive care unit, and cardiac surgery block. 53 patients (39 men and 14 women) aged from 29 to 78 years who admitted the hospital with progression of acute decompensated heart failure were included to research. Volume right ventricle measurements (end3diastolic volume, end3systolic volume, and stroke volume) and right ventricle ejection fraction achieved by 4D RV TomTec and 4D LV Echo PAC computer graphic didn't differ significantly. Rank correlation analysis revealed the significant positive correlations between all parameters measured by 4D RV TomTec and 4D LV Echo PAC. Lineal regression and Bland–Altman method showed the significant agreement between all the parameters measured by 4D RV TomTec and 4D LV Echo PAC. Time of postprocessing reconstruction of right ventricle volume with Echo PAC workstation was significantly lower than that of 4D RV TomTec.

Keywords:
three3dimensional (3D) echocardiography, real3time, systolic function, right ventricle, and heart failure.