ДИАГНОСТИЧЕСКОЕ ЗНАЧЕНИЕ ЭХОКАРДИОГРАФИЧЕСКОГО МИОКАРДИАЛЬНОГО ИНДЕКСА TEI В ОЦЕНКЕ НАРУШЕНИЙ НАСОСНОЙ И КОНТРАКТИЛЬНОЙ ФУНКЦИЙ ЛЕВОГО ЖЕЛУДОЧКА, ВОЗРАСТНЫЕ И НОЗОЛОГИЧЕСКИЕ АСПЕКТЫ
2019
Aim . To evaluate the informational and diagnostic significance of the myocardial Tei index. Patients and methods . The study assessed data of echocardiographic studies of 9,256 patients aged 1 month to 60 years, 1,350 healthy individuals, and 7,906 patients with various cardiovascular diseases with abnormal volume-capacitive characteristics of the heart (congenital heart defects, different types of cardiopathy, and hypertensive disease). Results . The cutting points of the normal values of the indicator were established. Data showed that the Tei index did not reflect changes in the pumping function of the left ventricle and did not depend on the contractility of the left ventricle (LV), but it had direct significant correlation with the left ventricular filling pressure, both in normal and pathological conditions. Correlation was more significant in adult patients. Conclusion . Normal values of the Tei index less than 0.5 were observed in more than 95% of practically healthy individuals of any age. The maximum sensitivity and specificity of the myocardial performance index was found in patients with restrictive and dilated cardiopathy and common atrioventricular connection.
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