Factors related to aortic regurgitation in the presence of a dilated aortic root.

The relation among aortic regurgitation (AR) and aortic root diameter, anthropometric variables, and aortic valve morphology was assessed in 142 patients with dilated aortic roots. The diameter of the aortic root indexed for body surface area and aortic valve sclerosis were related to the presence and severity of AR.