Central_diabetes_insipidus
Central diabetes insipidus
Medical condition
Central diabetes insipidus, recently renamed arginine vasopressin deficiency (AVP-D),[1] is a form of diabetes insipidus that is due to a lack of vasopressin (ADH) production in the brain. Vasopressin acts to increase the volume of blood (intravascularly), and decrease the volume of urine produced. Therefore, a lack of it causes increased urine production and volume depletion.
It is also known as neurohypophyseal diabetes insipidus,[2][3] referring to the posterior pituitary (neurohypophysis), which is supplied by the hypothalamus in the brain. This condition has only polyuria in common with diabetes. Although not mutually exclusive, with most typical cases, the name diabetes insipidus is misleading.[4]