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  • Title: [Primary postural hypotension. Physiopathological study of 8 cases (author's transl)].
    Author: Ninet J, Annat G, Boisson D, Michel D, Schott B, Devic M, Peyrin L, Vincent M.
    Journal: Nouv Presse Med; 1980 Jun 21; 9(27):1875-9. PubMed ID: 6995931.
    Abstract:
    Physiological tests showed that both branches of the baroreflex arc-vagal cardiomoderator and, predominantly, sympathetic vasoconstrictor--were affected. There was no rise in serum and urinary noradrenaline levels in standing position, and adrenaline concentrations were rarely increased under induced hypoglycaemia. Dopamine beta-hydroxylase activity and reactivity of the renin-angiotensin-aldosterone system remained normal in most cases. Physiopathologically, the two clinical forms described (i.e. with and without central nervous symptoms) cannot be differentiated.
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