Effects of Sublingual Glyceryl Trinitrate Administration on the Quality of Preprocedure CT Angiography Performed to Plan Prostate Artery Embolization

The administration of sublingual GTN immediately prior to CT angiography is associated with a significant increase in prostate artery diameter and peak opacification. This was not associated with a statistically significant increase in the ability of observers to correctly identify the origin of the prostate artery.