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Hemodynamic Effects of Nebivolol at Rest and on Exertion in Patients with Heart Failure

Department of Cardiology, University of Göttingen, West Germany

Thomas Schmidt

Department of Cardiology, University of Göttingen, West Germany

Ulrich Tebbe

Department of Cardiology, University of Göttingen, West Germany

Heinrich Kreuzer

Department of Cardiology, University of Göttingen, West Germany

Nebivolol is a novel B-1-adrenoceptor-blocking drug with an unusual hemo dynamic profile unlike classical B-blockers. In dogs and in healthy volunteers it decreases blood pressure and heart rate but improves left ventricular function. The authors studied 10 male patients with coronary artery disease and heart failure (ejection fraction mean = 46%). A Swan-Ganz catheter was placed into the pulmonary artery, and the mean blood pressure, the heart rate, the pulmo nary artery pressure, the pulmonary wedge pressure, the right atrial pressure, the cardiac output, and the stroke volume were measured at rest and on exer tion before and after seven days' treatment with oral nebivolol (5 mg/day). While the blood pressure and the heart rate decreased significantly, the pulmo nary artery and wedge pressures, as well as the right atrial pressure and the cardiac output, did not change during treatment. The stroke volume increased significantly. The maintained cardiac output cannot be explained by any changes in preload or afterload; instead a positive inotropic mechanism must be assumed. Unlike other B-blockers it seems to be possible to treat patients with heart failure with nebivolol without causing the hemodynamic situation to dete riorate.

Angiology, Vol. 41, No. 9, 696-701 (1990)
DOI: 10.1177/000331979004100904


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