What causes hyponatremia after transurethral resection of the prostate or hysteroscopy?

Updated: Jun 17, 2019
  • Author: Eric E Simon, MD; Chief Editor: Vecihi Batuman, MD, FASN  more...
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Answer

Hyponatremia after transurethral resection of the prostate (TURP) or hysteroscopy is caused by absorption of irrigants, glycine, sorbitol, or mannitol, contained in nonconductive flushing solutions used for those procedures. The degree of hyponatremia is related to the quantity and rate of fluid absorbed. The plasma osmolality is also variable and changes over time.


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