Central and peripheral noradrenaline in the two kidney model of renovascular hypertension in the rat.

1 Plasma noradrenaline concentrations were similar in rats following unilateral renal arterial constriction (two kidney Goldblatt model) and in sham-operated control rats. 2 The development of hypertension was not affected by pretreatment with intracisternal injections of 6-hydroxydopamine. 3 These data suggest that sympathetic mechanisms do not contribute to the development of hypertension in this model.