Abstract
Hyperprostaglandin E syndrome/antenatal Bartter syndrome is characterized by NaCl wasting and volume depletion, juxtaglomerula hypertrophy, hyperreninism and secondary hyperaldosteronism. Primary causes are mutations in the gene for Na-K-2Cl-cotransporter, NKCC2, or for potassium channel, ROMK, responsible for medullary NaCl malabsorption. Most intriguing aspect of the syndrome is the association with a massively increased renal prostaglandin production which contributes substantially to the clinical picture of the patients. Therefore the term hyperprostaglandin E syndrome has been introduced. It is unclear how prostaglandins aggravate the NaCl transport deficiency. Aspects to prostaglandin synthesis and receptor-mediated function within the kidney in patients suffering from hyperprostaglandin E syndrome/antenatal Bartter syndrome will be discussed.
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