Plasma and urinary nitrate in essential hypertension

1225). Supine BP was taken as the mean value of Introduction five readings obtained at 1–2 min intervals. There is considerable evidence to suggest that nitric oxide (NO) could be an important factor in the control of blood pressure (BP). However, there is Statistics controversy over the role of NO as a determinant of Group values are given as means ± s.d. Associations hypertension. were tested using Pearson correlation coefficients The objective of this study was to examine the and group comparisons using unpaired t-tests. A P association between NO activity and essential value of ,0.05 was taken as significant. hypertension. Plasma and urinary nitrate have been used as an index of endogenous NO as nitrate is one end-product of NO oxidation. Results