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Fluid deprivation test. A fluid or water deprivation test is a medical test [ 1] which can be used to determine whether the patient has diabetes insipidus as opposed to other causes of polydipsia (a condition of excessive thirst that causes an excessive intake of water). The patient is required, for a prolonged period, to forgo intake of water ...
Polyuria, nocturia, and polydipsia. 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.
The number of new cases of diabetes insipidus each year is 3 in 100,000. [4] Central DI usually starts between the ages of 10 and 20 and occurs in males and females equally. [2] Nephrogenic DI can begin at any age. [3] The term "diabetes" is derived from the Greek word meaning siphon. [6]
Wolfram Syndrome Type 2 (WFS2) is a subtype of Wolfram Syndrome caused by a mutation in the CDGSH iron-sulfur domain-containing protein 2 gene ( CISD2 gene). CISD2 is a protein coding gene that is found on the endoplasmic reticulum (ER) and outer mitochondrial membrane. WFS2 is mainly localized in the ER, but studies have also shown that it can ...
Nephrogenic diabetes insipidus, recently renamed arginine vasopressin resistance (AVP-R) and previously known as renal diabetes insipidus, is a form of diabetes insipidus primarily due to pathology of the kidney. This is in contrast to central or neurogenic diabetes insipidus, which is caused by insufficient levels of vasopressin (also called ...
Adenomas exceeding 10 mm (0.39 in) in size are defined as macroadenomas, with those smaller than 10 mm (0.39 in) referred to as microadenomas. Most pituitary adenomas are microadenomas and have an estimated prevalence of 16.7% (14.4% in autopsy studies and 22.5% in radiologic studies).
Many drugs impair insulin secretion and some toxins damage pancreatic beta cells, whereas others increase insulin resistance (especially glucocorticoids which can provoke "steroid diabetes"). The ICD-10 (1992) diagnostic entity, malnutrition-related diabetes mellitus (ICD-10 code E12), was deprecated by the World Health Organization (WHO) when ...
Diabetic retinopathy is particularly common in those with type 1 diabetes – affecting 25% of people five years from diagnosis, 60% 10 years from diagnosis, and 80% 15 years from diagnosis. [58] Chances of disease progression are heavily influenced by blood sugar control, but on average 7% of those with diabetes experiencing proliferative ...