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[PREDICTORS OF RISK OF SURGERIES IN PATIENTS WITH FAILURE OF THE CORONARY CIRCULATION].
Anesteziologiia i Reanimatologiia 2015 September
The paper analyzes the study of the myocardium in patients with coronary artery disease to identify new predictors of reduction of myocardial contractility. Research carried out on the basis of transthoracic echocardiography and transesophageal on Vivid 7 unit and Vivid-E9 with multifrequency array sensor (3.5-5.5 MHz) by method with the obligatory registration ofstandard ECG. All studies in the form of static and moving images (3-5 cardiocycles Cine-loop) is stored in workstation memory Echopac 7 (GE Vingmed Ultrasound, USA). To assess the functional state of left ventricular myocardium was measured geometry of the cavities of the heart and determines the main central hemodynamics: end-diastolic and end-systolic volume qf the left ventricle, the si:e of the left atrium, the rate of displacement of the myocardium ofivector analysis, stroke vohne, duration of the phases ofthe cardiac cycle, the pressure in the pulmonary circulation. In patients with low reserves, changes are observed during the period of contraction and relaxation. The maximum rate peaks do not coincide, and are significantly reduced compared with the outcome. Acceleration, velocity of bloodflow in the left ventricular cavity shows changing the direction of blood flow--this is nothing other than the power characteristic, which reflects energy during the contraction. Determination of the eddy currents and the velocity characterizes the acceleration of change in the direction of blood flow
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