Arginine vasopressin resistance
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| Arginine vasopressin resistance : Arginine vasopressin resistance (previously called nephrogenic diabetes insipidus) is a disorder of water balance. The body normally balances fluid intake by releasing excess fluid in urine. However, people with arginine vasopressin resistance produce an excessive amount of urine (polyuria), which depletes the amount of water in the body. This water loss also leads to excessive thirst (polydipsia). Affected individuals can quickly become dehydrated if they do not drink enough water. Dehydration can cause dizziness and fatigue. Prolonged dehydration can lead to confusion, low blood pressure, seizures, and coma. People with arginine vasopressin resistance often develop high levels of sodium in the blood (hypernatremia) due to dehydration. Repeated cycles of dehydration can cause long-term health problems, particularly in children. Arginine vasopressin resistance can be either acquired or familial. The acquired form can occur at any time during life. The familial form usually become apparent within the first year of life, though in some cases they develop in adolescence or early adulthood. Infants with familial arginine vasopressin resistance tend to have problems feeding and gaining weight (failure to thrive). They may also be irritable and experience fevers, diarrhea, and vomiting. Recurrent episodes of dehydration can lead to slow growth and delayed development. If the condition is not well-managed, it can damage the bladder and kidneys leading to pain, infections, and kidney failure. With appropriate treatment, affected individuals usually have few complications and a normal lifespan. Researchers have recommended using the condition name arginine vasopressin resistance because the previous name, nephrogenic diabetes insipidus, was often confused with a much more common disorder called diabetes mellitus. Arginine vasopressin resistance and diabetes mellitus are separate disorders with different features, causes, and treatment. | |
| Review Date: 13/08/2024 | Updated By: |