[An outpatient study by stress echocardiography with dobutamine of myocardial function in patients with congestive heart failure (the first trial in Russia of the use of the dobutamine-echocardiography test)].
Dobutamin stress-echocardiography has been tried outpatiently in the diagnostic center for feasible use in functional assessment of the myocardium in patients with congestive heart failure class 3-4 by classification of New York Heart Association. Eleven outpatients (a mean age 56 +/- 8 years) with left ventricular dilatation and a reduction in the ejection fraction received an increasing dose of dobutamin (5-40 micrograms) min/kg in intravenous infusion in the course of which central hemodynamics and left ventricular segmental contractility were measured with two-dimensional and Doppler echocardiography. By the hemodynamic response to dobutamin infusion reflecting difference in the myocardial reserve, two groups of patients were identified. The authors suggest dobutamin Doppler echocardiography for use in outpatient setting as a safe and effective procedure for assessing contractile myocardial reserve and prognosis of congestive heart failure.