Different responses to dobutamine in the presence of carvedilol or metoprolol in patients with chronic heart failure.

OBJECTIVE To determine whether patients with congestive heart failure on different beta adrenoreceptor blocking drugs have similar haemodynamic responses to dobutamine. DESIGN Single centre, single blind, randomised, two period crossover study comparing carvedilol with metoprolol CR/XL. PATIENTS Ten patients with stable chronic congestive heart failure… CONTINUE READING