Hyposthenuria

In what is called hyposthenuria according to Sándor Korányi (from Greek : σθένος "strength"), the kidneys' ability to concentrate is so limited that they cannot dilute or concentrate the urine to the physiological extent ( specific gravity 1.005 to 1.040 g / ml). In hyposthenuria, the maximum dilution rate is a specific gravity of 1.008 g / ml and the maximum concentration rate is a specific gravity of 1.020 g / ml.

Typical causes are:

• the postobstruktive polyuria (increased urine formation after installation of the urinary tract and the lack of ability of the kidney to excrete urine)
• of diabetes insipidus centralis (lack of antidiuretic hormone , ADH )
• of diabetes insipidus renal (kidney-related lack of efficacy of the ADH)
• Taking drugs that act as ADH antagonists (so-called vaptans ).
• the Primary hyperaldosteronism (Conn's syndrome)

See also

• Isosthenuria

literature

• Joachim Frey : Changes in urine volume. In: Ludwig Heilmeyer (ed.): Textbook of internal medicine. Springer-Verlag, Berlin a. a. 1955; 2nd edition ibid. 1961, pp. 905-910, here: pp. 909 f.

Individual evidence

1. ↑ R. Hautmann et al.: Urology. Springer, Berlin et al. 2006, ISBN 3-540-29923-8 , p. 29. (online)

This article is about a health issue. It is not used for self-diagnosis and does not replace a diagnosis by a doctor. Please note the information on health issues !