Table 6.

Comparison of spironolactone versus amiloride in chronic heart failure

	Spironolactone	Amiloride
Endothelial function	Improves4	No effect
Vascular ACE	Improves4	No effect
Collagen markers	Improves2	No effect
Autonomic imbalance	Improves2,5	No effect
QTcmax	Improves5	Improves
Ventricular extrasystoles	Improves3	Improves