Assertion: vasodilator | /r/HasProperty | given a class 1 recommendation
Facets:
value: despite limited evidence of their efficacy
type: OTHER
Source sentences:
text: Evangelista et al say that despite limited evidence of their efficacy, vasodilators have been given a class 1 recommendation in guidelines for the treatment of asymptomatic, chronic, severe aortic regurgitation, but they maintain that a beneficial effect of vasodilators is "far from certain" and a reassessment of their long-term effect is therefore warranted.