Endocrine Abstracts

Background: Apelin and arginine-vasopressin (AVP) are antagonists in the regulation of body fluid and osmotic homeostasis. So far there exist no data about apelin levels in patients with polyuria-polydipsia syndrome (PPS).Methods: Plasma apelin and copeptin concentrations were measured in 15 patients with complete central diabetes insipidus (cDI), in seven patients with complete nephrogenic diabetes insipidus (nDI) and 19 patients with primary polydipsia...