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  • Title: Arginine-vasopressin response to supine-erect posture change: an index for evaluation of the integrity of the afferent component of baroregulatory system in diabetic neuropathy.
    Author: Cignarelli M, De Pergola G, Paternostro A, Corso M, Cospite MR, Centaro GM, Giorgino R.
    Journal: Diabete Metab; 1986 Feb; 12(1):28-33. PubMed ID: 3699228.
    Abstract:
    The arginine-vasopressin (AVP) response to supine-standing postural change was evaluated in eight healthy subjects and in fourteen diabetic patients. Plasma AVP levels were found to increase in the controls and in nine subjects from the diabetic group. In the controls the increase was 139% 5 min. after standing and 275% 120 min. after standing. In four of the diabetics affected by autonomic neuropathy AVP failed to increase in response to standing, thus suggesting lesions of the neurogenic pathways connecting baroreceptors to neurohypophysis. Consequently, a failure of the afferent limb in the baroregulatory system must be taken into account among other localizations of autonomic neuropathy. On this basis, AVP measurement both in supine and erect positions could represent an additional test for assessing the integrity of the autonomic nervous system.
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