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551 11998 Ensembl ENSG00000101200 ENSMUSG00000037727 UniProt P01185 P35455 RefSeq (mRNA) NM_000490 NM_009732 RefSeq (protein) NP_000481 NP_033862 Location (UCSC) Chr 20: 3.08 – 3.08 Mb Chr 2: 130.42 – 130.42 Mb PubMed search Wikidata View/Edit Human View/Edit Mouse Human vasopressin, also called antidiuretic hormone (ADH), arginine vasopressin (AVP) or argipressin, is a hormone synthesized ...
In refractory vasodilatory shock, the patient has both vasopressin secretion deficit and an advanced resistance to vasopressin-induced blood-pressure changes. [23] Some have hypothesized that patients with vasopressin deficiency, including a decrease in baroreceptor stimulation, appear to have impaired autonomic reflexes. [ 23 ]
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.
Vasopressin agonists are used therapeutically in various conditions, and its long-acting synthetic analogue desmopressin is used in conditions featuring low vasopressin secretion, as well as for control of bleeding (in some forms of von Willebrand disease and in mild haemophilia A) and in extreme cases of bedwetting by children.
The vasopressin receptor 2 blocker tolvaptan may also be used. [2] The presence of cerebral edema, or other moderate to severe symptoms, may necessitate intravenous hypertonic saline administration with close monitoring of the serum sodium levels to avoid overcorrection. [2]
The symptoms of excessive urination and extreme thirst are similar to what is seen in untreated diabetes mellitus, with the distinction that the urine does not contain glucose. Blurred vision is a rarity. Signs of dehydration may also appear in some individuals since the body cannot properly regulate the amount of the water it takes in. [8]
Nephrogenic diabetes insipidus is caused by an improper response of the kidney to vasopressin, leading to a decrease in the ability of the kidney to concentrate the urine by removing free water. Signs and symptoms
As a diagnosis of exclusion, a diagnosis of primary polydipsia may be the result of elimination of the possibility of diseases causing similar signs and symptoms, such as diabetes insipidus. [ 12 ] Diagnosis may be complicated by the fact that chronic and extreme compulsive drinking may impair the response of the kidneys to vasopressin , thus ...