Perioperative echocardiographic evaluation of cardiovascular function: assessment of changing hemodynamic state.
作者： R E Kavey , E Krongrad , W M Gersony
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摘要: To evaluate echocardiographic assessment of ventricular function in a changing hemodynamic situation, 20 infants and children undergoing open heart surgery were examined preoperatively 1,4 24 hours postoperatively by this technique. Clinical evaluation measurements cardiac output obtained simultaneously with each echocardiogram. On the basis their clinical course output, patients divided into two groups: group 1 - index > 2.3 1/min/m2 without inotropic support (n = 9); 2 less than or equal to and/or need for 11). Of obtained, left systolic time interval ratio (left preejection period/left ejection ([LVPEP/LVET] correlated significantly course, separating groups completely at determination. The aortic root velocity (AoV), new defined as anterior excursion (in de...
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