INCREASED EXPRESSION AND PLASMA LEVELS OF NEOPTERIN ARE CLOSELY RELATED TO AORTIC VALVE STENOSIS IN PATIENTS WITH HEMODIALYSIS

Aortic valve stenosis (AS) occurs with increased frequency in hemodialysis (HD) patients and could contribute to the excess cardiovascular mortality. However, little is known about differences in progression of the AS process between HD and non-HD patients. Neopterin, a by-product of the guanosine